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![Miaoqian Lin](/assets/img/avatar_default.png)
The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. Fixes:1e747e59cc
("pinctrl: rockchip: base regmap supplied by a syscon") Fixes:14dee8677e
("pinctrl: rockchip: let pmu registers be supplied by a syscon") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220307120234.28657-1-linmq006@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
3254 lines
92 KiB
C
3254 lines
92 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Pinctrl driver for Rockchip SoCs
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*
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* Copyright (c) 2013 MundoReader S.L.
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* Author: Heiko Stuebner <heiko@sntech.de>
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*
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* With some ideas taken from pinctrl-samsung:
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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* Copyright (c) 2012 Linaro Ltd
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* https://www.linaro.org
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*
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* and pinctrl-at91:
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* Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/bitops.h>
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#include <linux/gpio/driver.h>
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#include <linux/of_address.h>
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#include <linux/of_device.h>
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#include <linux/of_irq.h>
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#include <linux/pinctrl/machine.h>
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#include <linux/pinctrl/pinconf.h>
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#include <linux/pinctrl/pinctrl.h>
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#include <linux/pinctrl/pinmux.h>
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#include <linux/pinctrl/pinconf-generic.h>
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#include <linux/irqchip/chained_irq.h>
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#include <linux/clk.h>
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#include <linux/regmap.h>
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#include <linux/mfd/syscon.h>
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#include <linux/string_helpers.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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#include "core.h"
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#include "pinconf.h"
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#include "pinctrl-rockchip.h"
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/*
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* Generate a bitmask for setting a value (v) with a write mask bit in hiword
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* register 31:16 area.
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*/
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#define WRITE_MASK_VAL(h, l, v) \
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(GENMASK(((h) + 16), ((l) + 16)) | (((v) << (l)) & GENMASK((h), (l))))
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/*
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* Encode variants of iomux registers into a type variable
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*/
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#define IOMUX_GPIO_ONLY BIT(0)
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#define IOMUX_WIDTH_4BIT BIT(1)
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#define IOMUX_SOURCE_PMU BIT(2)
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#define IOMUX_UNROUTED BIT(3)
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#define IOMUX_WIDTH_3BIT BIT(4)
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#define IOMUX_WIDTH_2BIT BIT(5)
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#define PIN_BANK(id, pins, label) \
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{ \
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.bank_num = id, \
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.nr_pins = pins, \
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.name = label, \
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.iomux = { \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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}, \
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}
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#define PIN_BANK_IOMUX_FLAGS(id, pins, label, iom0, iom1, iom2, iom3) \
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{ \
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.bank_num = id, \
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.nr_pins = pins, \
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.name = label, \
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.iomux = { \
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{ .type = iom0, .offset = -1 }, \
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{ .type = iom1, .offset = -1 }, \
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{ .type = iom2, .offset = -1 }, \
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{ .type = iom3, .offset = -1 }, \
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}, \
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}
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#define PIN_BANK_DRV_FLAGS(id, pins, label, type0, type1, type2, type3) \
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{ \
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.bank_num = id, \
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.nr_pins = pins, \
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.name = label, \
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.iomux = { \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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}, \
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.drv = { \
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{ .drv_type = type0, .offset = -1 }, \
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{ .drv_type = type1, .offset = -1 }, \
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{ .drv_type = type2, .offset = -1 }, \
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{ .drv_type = type3, .offset = -1 }, \
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}, \
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}
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#define PIN_BANK_DRV_FLAGS_PULL_FLAGS(id, pins, label, drv0, drv1, \
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drv2, drv3, pull0, pull1, \
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pull2, pull3) \
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{ \
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.bank_num = id, \
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.nr_pins = pins, \
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.name = label, \
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.iomux = { \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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{ .offset = -1 }, \
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}, \
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.drv = { \
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{ .drv_type = drv0, .offset = -1 }, \
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{ .drv_type = drv1, .offset = -1 }, \
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{ .drv_type = drv2, .offset = -1 }, \
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{ .drv_type = drv3, .offset = -1 }, \
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}, \
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.pull_type[0] = pull0, \
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.pull_type[1] = pull1, \
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.pull_type[2] = pull2, \
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.pull_type[3] = pull3, \
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}
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#define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \
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iom2, iom3, drv0, drv1, drv2, \
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drv3, offset0, offset1, \
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offset2, offset3) \
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{ \
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.bank_num = id, \
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.nr_pins = pins, \
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.name = label, \
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.iomux = { \
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{ .type = iom0, .offset = -1 }, \
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{ .type = iom1, .offset = -1 }, \
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{ .type = iom2, .offset = -1 }, \
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{ .type = iom3, .offset = -1 }, \
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}, \
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.drv = { \
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{ .drv_type = drv0, .offset = offset0 }, \
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{ .drv_type = drv1, .offset = offset1 }, \
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{ .drv_type = drv2, .offset = offset2 }, \
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{ .drv_type = drv3, .offset = offset3 }, \
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}, \
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}
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#define PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(id, pins, \
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label, iom0, iom1, iom2, \
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iom3, drv0, drv1, drv2, \
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drv3, offset0, offset1, \
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offset2, offset3, pull0, \
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pull1, pull2, pull3) \
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{ \
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.bank_num = id, \
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.nr_pins = pins, \
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.name = label, \
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.iomux = { \
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{ .type = iom0, .offset = -1 }, \
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{ .type = iom1, .offset = -1 }, \
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{ .type = iom2, .offset = -1 }, \
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{ .type = iom3, .offset = -1 }, \
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}, \
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.drv = { \
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{ .drv_type = drv0, .offset = offset0 }, \
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{ .drv_type = drv1, .offset = offset1 }, \
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{ .drv_type = drv2, .offset = offset2 }, \
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{ .drv_type = drv3, .offset = offset3 }, \
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}, \
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.pull_type[0] = pull0, \
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.pull_type[1] = pull1, \
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.pull_type[2] = pull2, \
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.pull_type[3] = pull3, \
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}
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#define PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, FLAG) \
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{ \
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.bank_num = ID, \
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.pin = PIN, \
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.func = FUNC, \
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.route_offset = REG, \
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.route_val = VAL, \
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.route_location = FLAG, \
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}
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#define RK_MUXROUTE_SAME(ID, PIN, FUNC, REG, VAL) \
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PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_SAME)
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#define RK_MUXROUTE_GRF(ID, PIN, FUNC, REG, VAL) \
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PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_GRF)
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#define RK_MUXROUTE_PMU(ID, PIN, FUNC, REG, VAL) \
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PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_PMU)
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static struct regmap_config rockchip_regmap_config = {
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.reg_bits = 32,
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.val_bits = 32,
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.reg_stride = 4,
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};
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static inline const struct rockchip_pin_group *pinctrl_name_to_group(
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const struct rockchip_pinctrl *info,
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const char *name)
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{
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int i;
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for (i = 0; i < info->ngroups; i++) {
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if (!strcmp(info->groups[i].name, name))
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return &info->groups[i];
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}
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return NULL;
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}
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/*
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* given a pin number that is local to a pin controller, find out the pin bank
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* and the register base of the pin bank.
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*/
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static struct rockchip_pin_bank *pin_to_bank(struct rockchip_pinctrl *info,
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unsigned pin)
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{
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struct rockchip_pin_bank *b = info->ctrl->pin_banks;
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while (pin >= (b->pin_base + b->nr_pins))
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b++;
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return b;
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}
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static struct rockchip_pin_bank *bank_num_to_bank(
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struct rockchip_pinctrl *info,
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unsigned num)
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{
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struct rockchip_pin_bank *b = info->ctrl->pin_banks;
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int i;
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for (i = 0; i < info->ctrl->nr_banks; i++, b++) {
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if (b->bank_num == num)
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return b;
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}
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return ERR_PTR(-EINVAL);
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}
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/*
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* Pinctrl_ops handling
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*/
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static int rockchip_get_groups_count(struct pinctrl_dev *pctldev)
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{
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struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
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return info->ngroups;
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}
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static const char *rockchip_get_group_name(struct pinctrl_dev *pctldev,
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unsigned selector)
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{
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struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
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return info->groups[selector].name;
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}
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static int rockchip_get_group_pins(struct pinctrl_dev *pctldev,
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unsigned selector, const unsigned **pins,
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unsigned *npins)
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{
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struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
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if (selector >= info->ngroups)
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return -EINVAL;
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*pins = info->groups[selector].pins;
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*npins = info->groups[selector].npins;
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return 0;
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}
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static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev,
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struct device_node *np,
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struct pinctrl_map **map, unsigned *num_maps)
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{
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struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
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const struct rockchip_pin_group *grp;
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struct device *dev = info->dev;
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struct pinctrl_map *new_map;
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struct device_node *parent;
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int map_num = 1;
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int i;
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/*
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* first find the group of this node and check if we need to create
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* config maps for pins
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*/
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grp = pinctrl_name_to_group(info, np->name);
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if (!grp) {
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dev_err(dev, "unable to find group for node %pOFn\n", np);
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return -EINVAL;
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}
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map_num += grp->npins;
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new_map = kcalloc(map_num, sizeof(*new_map), GFP_KERNEL);
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if (!new_map)
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return -ENOMEM;
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*map = new_map;
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*num_maps = map_num;
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/* create mux map */
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parent = of_get_parent(np);
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if (!parent) {
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kfree(new_map);
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return -EINVAL;
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}
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new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
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new_map[0].data.mux.function = parent->name;
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new_map[0].data.mux.group = np->name;
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of_node_put(parent);
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/* create config map */
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new_map++;
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for (i = 0; i < grp->npins; i++) {
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new_map[i].type = PIN_MAP_TYPE_CONFIGS_PIN;
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new_map[i].data.configs.group_or_pin =
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pin_get_name(pctldev, grp->pins[i]);
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new_map[i].data.configs.configs = grp->data[i].configs;
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new_map[i].data.configs.num_configs = grp->data[i].nconfigs;
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}
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dev_dbg(dev, "maps: function %s group %s num %d\n",
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(*map)->data.mux.function, (*map)->data.mux.group, map_num);
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return 0;
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}
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static void rockchip_dt_free_map(struct pinctrl_dev *pctldev,
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struct pinctrl_map *map, unsigned num_maps)
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{
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kfree(map);
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}
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static const struct pinctrl_ops rockchip_pctrl_ops = {
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.get_groups_count = rockchip_get_groups_count,
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.get_group_name = rockchip_get_group_name,
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.get_group_pins = rockchip_get_group_pins,
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.dt_node_to_map = rockchip_dt_node_to_map,
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.dt_free_map = rockchip_dt_free_map,
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};
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/*
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* Hardware access
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*/
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static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = {
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{
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.num = 1,
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.pin = 0,
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.reg = 0x418,
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.bit = 0,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 1,
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.reg = 0x418,
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.bit = 2,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 2,
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.reg = 0x418,
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.bit = 4,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 3,
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.reg = 0x418,
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.bit = 6,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 4,
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.reg = 0x418,
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.bit = 8,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 5,
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.reg = 0x418,
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.bit = 10,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 6,
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.reg = 0x418,
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.bit = 12,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 7,
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.reg = 0x418,
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.bit = 14,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 8,
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.reg = 0x41c,
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.bit = 0,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 9,
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.reg = 0x41c,
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.bit = 2,
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.mask = 0x3
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},
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};
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static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = {
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{
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.num = 2,
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.pin = 20,
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.reg = 0xe8,
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.bit = 0,
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.mask = 0x7
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}, {
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.num = 2,
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.pin = 21,
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.reg = 0xe8,
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.bit = 4,
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.mask = 0x7
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}, {
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.num = 2,
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.pin = 22,
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.reg = 0xe8,
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.bit = 8,
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.mask = 0x7
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}, {
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.num = 2,
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.pin = 23,
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.reg = 0xe8,
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.bit = 12,
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.mask = 0x7
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}, {
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.num = 2,
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.pin = 24,
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.reg = 0xd4,
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.bit = 12,
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.mask = 0x7
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},
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};
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static struct rockchip_mux_recalced_data rk3308_mux_recalced_data[] = {
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{
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.num = 1,
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.pin = 14,
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.reg = 0x28,
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.bit = 12,
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.mask = 0xf
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}, {
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.num = 1,
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.pin = 15,
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.reg = 0x2c,
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.bit = 0,
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.mask = 0x3
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}, {
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.num = 1,
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.pin = 18,
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.reg = 0x30,
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.bit = 4,
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.mask = 0xf
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}, {
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.num = 1,
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.pin = 19,
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.reg = 0x30,
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.bit = 8,
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.mask = 0xf
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}, {
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.num = 1,
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.pin = 20,
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.reg = 0x30,
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.bit = 12,
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.mask = 0xf
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}, {
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.num = 1,
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.pin = 21,
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.reg = 0x34,
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.bit = 0,
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.mask = 0xf
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}, {
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.num = 1,
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.pin = 22,
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.reg = 0x34,
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.bit = 4,
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.mask = 0xf
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}, {
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.num = 1,
|
|
.pin = 23,
|
|
.reg = 0x34,
|
|
.bit = 8,
|
|
.mask = 0xf
|
|
}, {
|
|
.num = 3,
|
|
.pin = 12,
|
|
.reg = 0x68,
|
|
.bit = 8,
|
|
.mask = 0xf
|
|
}, {
|
|
.num = 3,
|
|
.pin = 13,
|
|
.reg = 0x68,
|
|
.bit = 12,
|
|
.mask = 0xf
|
|
}, {
|
|
.num = 2,
|
|
.pin = 2,
|
|
.reg = 0x608,
|
|
.bit = 0,
|
|
.mask = 0x7
|
|
}, {
|
|
.num = 2,
|
|
.pin = 3,
|
|
.reg = 0x608,
|
|
.bit = 4,
|
|
.mask = 0x7
|
|
}, {
|
|
.num = 2,
|
|
.pin = 16,
|
|
.reg = 0x610,
|
|
.bit = 8,
|
|
.mask = 0x7
|
|
}, {
|
|
.num = 3,
|
|
.pin = 10,
|
|
.reg = 0x610,
|
|
.bit = 0,
|
|
.mask = 0x7
|
|
}, {
|
|
.num = 3,
|
|
.pin = 11,
|
|
.reg = 0x610,
|
|
.bit = 4,
|
|
.mask = 0x7
|
|
},
|
|
};
|
|
|
|
static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = {
|
|
{
|
|
.num = 2,
|
|
.pin = 12,
|
|
.reg = 0x24,
|
|
.bit = 8,
|
|
.mask = 0x3
|
|
}, {
|
|
.num = 2,
|
|
.pin = 15,
|
|
.reg = 0x28,
|
|
.bit = 0,
|
|
.mask = 0x7
|
|
}, {
|
|
.num = 2,
|
|
.pin = 23,
|
|
.reg = 0x30,
|
|
.bit = 14,
|
|
.mask = 0x3
|
|
},
|
|
};
|
|
|
|
static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin,
|
|
int *reg, u8 *bit, int *mask)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct rockchip_mux_recalced_data *data;
|
|
int i;
|
|
|
|
for (i = 0; i < ctrl->niomux_recalced; i++) {
|
|
data = &ctrl->iomux_recalced[i];
|
|
if (data->num == bank->bank_num &&
|
|
data->pin == pin)
|
|
break;
|
|
}
|
|
|
|
if (i >= ctrl->niomux_recalced)
|
|
return;
|
|
|
|
*reg = data->reg;
|
|
*mask = data->mask;
|
|
*bit = data->bit;
|
|
}
|
|
|
|
static struct rockchip_mux_route_data px30_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(2, RK_PA0, 1, 0x184, BIT(16 + 7)), /* cif-d2m0 */
|
|
RK_MUXROUTE_SAME(3, RK_PA3, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d2m1 */
|
|
RK_MUXROUTE_SAME(3, RK_PC6, 2, 0x184, BIT(16 + 8)), /* pdm-m0 */
|
|
RK_MUXROUTE_SAME(2, RK_PC6, 1, 0x184, BIT(16 + 8) | BIT(8)), /* pdm-m1 */
|
|
RK_MUXROUTE_SAME(1, RK_PD3, 2, 0x184, BIT(16 + 10)), /* uart2-rxm0 */
|
|
RK_MUXROUTE_SAME(2, RK_PB6, 2, 0x184, BIT(16 + 10) | BIT(10)), /* uart2-rxm1 */
|
|
RK_MUXROUTE_SAME(0, RK_PC1, 2, 0x184, BIT(16 + 9)), /* uart3-rxm0 */
|
|
RK_MUXROUTE_SAME(1, RK_PB7, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rxm1 */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3128_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x144, BIT(16 + 3) | BIT(16 + 4)), /* spi-0 */
|
|
RK_MUXROUTE_SAME(1, RK_PD3, 3, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(3)), /* spi-1 */
|
|
RK_MUXROUTE_SAME(0, RK_PB5, 2, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(4)), /* spi-2 */
|
|
RK_MUXROUTE_SAME(1, RK_PA5, 1, 0x144, BIT(16 + 5)), /* i2s-0 */
|
|
RK_MUXROUTE_SAME(0, RK_PB6, 1, 0x144, BIT(16 + 5) | BIT(5)), /* i2s-1 */
|
|
RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x144, BIT(16 + 6)), /* emmc-0 */
|
|
RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x144, BIT(16 + 6) | BIT(6)), /* emmc-1 */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3188_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(0, RK_PD0, 1, 0xa0, BIT(16 + 11)), /* non-iomuxed emmc/flash pins on flash-dqs */
|
|
RK_MUXROUTE_SAME(0, RK_PD0, 2, 0xa0, BIT(16 + 11) | BIT(11)), /* non-iomuxed emmc/flash pins on emmc-clk */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3228_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(0, RK_PD2, 1, 0x50, BIT(16)), /* pwm0-0 */
|
|
RK_MUXROUTE_SAME(3, RK_PC5, 1, 0x50, BIT(16) | BIT(0)), /* pwm0-1 */
|
|
RK_MUXROUTE_SAME(0, RK_PD3, 1, 0x50, BIT(16 + 1)), /* pwm1-0 */
|
|
RK_MUXROUTE_SAME(0, RK_PD6, 2, 0x50, BIT(16 + 1) | BIT(1)), /* pwm1-1 */
|
|
RK_MUXROUTE_SAME(0, RK_PD4, 1, 0x50, BIT(16 + 2)), /* pwm2-0 */
|
|
RK_MUXROUTE_SAME(1, RK_PB4, 2, 0x50, BIT(16 + 2) | BIT(2)), /* pwm2-1 */
|
|
RK_MUXROUTE_SAME(3, RK_PD2, 1, 0x50, BIT(16 + 3)), /* pwm3-0 */
|
|
RK_MUXROUTE_SAME(1, RK_PB3, 2, 0x50, BIT(16 + 3) | BIT(3)), /* pwm3-1 */
|
|
RK_MUXROUTE_SAME(1, RK_PA1, 1, 0x50, BIT(16 + 4)), /* sdio-0_d0 */
|
|
RK_MUXROUTE_SAME(3, RK_PA2, 1, 0x50, BIT(16 + 4) | BIT(4)), /* sdio-1_d0 */
|
|
RK_MUXROUTE_SAME(0, RK_PB5, 2, 0x50, BIT(16 + 5)), /* spi-0_rx */
|
|
RK_MUXROUTE_SAME(2, RK_PA0, 2, 0x50, BIT(16 + 5) | BIT(5)), /* spi-1_rx */
|
|
RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x50, BIT(16 + 7)), /* emmc-0_cmd */
|
|
RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x50, BIT(16 + 7) | BIT(7)), /* emmc-1_cmd */
|
|
RK_MUXROUTE_SAME(1, RK_PC3, 2, 0x50, BIT(16 + 8)), /* uart2-0_rx */
|
|
RK_MUXROUTE_SAME(1, RK_PB2, 2, 0x50, BIT(16 + 8) | BIT(8)), /* uart2-1_rx */
|
|
RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x50, BIT(16 + 11)), /* uart1-0_rx */
|
|
RK_MUXROUTE_SAME(3, RK_PB5, 1, 0x50, BIT(16 + 11) | BIT(11)), /* uart1-1_rx */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3288_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(7, RK_PC0, 2, 0x264, BIT(16 + 12) | BIT(12)), /* edphdmi_cecinoutt1 */
|
|
RK_MUXROUTE_SAME(7, RK_PC7, 4, 0x264, BIT(16 + 12)), /* edphdmi_cecinout */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3308_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(0, RK_PC3, 1, 0x314, BIT(16 + 0) | BIT(0)), /* rtc_clk */
|
|
RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x314, BIT(16 + 2) | BIT(16 + 3)), /* uart2_rxm0 */
|
|
RK_MUXROUTE_SAME(4, RK_PD2, 2, 0x314, BIT(16 + 2) | BIT(16 + 3) | BIT(2)), /* uart2_rxm1 */
|
|
RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x608, BIT(16 + 8) | BIT(16 + 9)), /* i2c3_sdam0 */
|
|
RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(8)), /* i2c3_sdam1 */
|
|
RK_MUXROUTE_SAME(2, RK_PA0, 3, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(9)), /* i2c3_sdam2 */
|
|
RK_MUXROUTE_SAME(1, RK_PA3, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclktxm0 */
|
|
RK_MUXROUTE_SAME(1, RK_PA4, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclkrxm0 */
|
|
RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclktxm1 */
|
|
RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclkrxm1 */
|
|
RK_MUXROUTE_SAME(1, RK_PA4, 3, 0x308, BIT(16 + 12) | BIT(16 + 13)), /* pdm-clkm0 */
|
|
RK_MUXROUTE_SAME(1, RK_PB6, 4, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* pdm-clkm1 */
|
|
RK_MUXROUTE_SAME(2, RK_PA6, 2, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* pdm-clkm2 */
|
|
RK_MUXROUTE_SAME(2, RK_PA4, 3, 0x600, BIT(16 + 2) | BIT(2)), /* pdm-clkm-m2 */
|
|
RK_MUXROUTE_SAME(3, RK_PB2, 3, 0x314, BIT(16 + 9)), /* spi1_miso */
|
|
RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x314, BIT(16 + 9) | BIT(9)), /* spi1_miso_m1 */
|
|
RK_MUXROUTE_SAME(0, RK_PB3, 3, 0x314, BIT(16 + 10) | BIT(16 + 11)), /* owire_m0 */
|
|
RK_MUXROUTE_SAME(1, RK_PC6, 7, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(10)), /* owire_m1 */
|
|
RK_MUXROUTE_SAME(2, RK_PA2, 5, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(11)), /* owire_m2 */
|
|
RK_MUXROUTE_SAME(0, RK_PB3, 2, 0x314, BIT(16 + 12) | BIT(16 + 13)), /* can_rxd_m0 */
|
|
RK_MUXROUTE_SAME(1, RK_PC6, 5, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* can_rxd_m1 */
|
|
RK_MUXROUTE_SAME(2, RK_PA2, 4, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* can_rxd_m2 */
|
|
RK_MUXROUTE_SAME(1, RK_PC4, 3, 0x314, BIT(16 + 14)), /* mac_rxd0_m0 */
|
|
RK_MUXROUTE_SAME(4, RK_PA2, 2, 0x314, BIT(16 + 14) | BIT(14)), /* mac_rxd0_m1 */
|
|
RK_MUXROUTE_SAME(3, RK_PB4, 4, 0x314, BIT(16 + 15)), /* uart3_rx */
|
|
RK_MUXROUTE_SAME(0, RK_PC1, 3, 0x314, BIT(16 + 15) | BIT(15)), /* uart3_rx_m1 */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3328_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(1, RK_PA1, 2, 0x50, BIT(16) | BIT(16 + 1)), /* uart2dbg_rxm0 */
|
|
RK_MUXROUTE_SAME(2, RK_PA1, 1, 0x50, BIT(16) | BIT(16 + 1) | BIT(0)), /* uart2dbg_rxm1 */
|
|
RK_MUXROUTE_SAME(1, RK_PB3, 2, 0x50, BIT(16 + 2) | BIT(2)), /* gmac-m1_rxd0 */
|
|
RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x50, BIT(16 + 10) | BIT(10)), /* gmac-m1-optimized_rxd3 */
|
|
RK_MUXROUTE_SAME(2, RK_PC3, 2, 0x50, BIT(16 + 3)), /* pdm_sdi0m0 */
|
|
RK_MUXROUTE_SAME(1, RK_PC7, 3, 0x50, BIT(16 + 3) | BIT(3)), /* pdm_sdi0m1 */
|
|
RK_MUXROUTE_SAME(3, RK_PA2, 4, 0x50, BIT(16 + 4) | BIT(16 + 5) | BIT(5)), /* spi_rxdm2 */
|
|
RK_MUXROUTE_SAME(1, RK_PD0, 1, 0x50, BIT(16 + 6)), /* i2s2_sdim0 */
|
|
RK_MUXROUTE_SAME(3, RK_PA2, 6, 0x50, BIT(16 + 6) | BIT(6)), /* i2s2_sdim1 */
|
|
RK_MUXROUTE_SAME(2, RK_PC6, 3, 0x50, BIT(16 + 7) | BIT(7)), /* card_iom1 */
|
|
RK_MUXROUTE_SAME(2, RK_PC0, 3, 0x50, BIT(16 + 8) | BIT(8)), /* tsp_d5m1 */
|
|
RK_MUXROUTE_SAME(2, RK_PC0, 4, 0x50, BIT(16 + 9) | BIT(9)), /* cif_data5m1 */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3399_mux_route_data[] = {
|
|
RK_MUXROUTE_SAME(4, RK_PB0, 2, 0xe21c, BIT(16 + 10) | BIT(16 + 11)), /* uart2dbga_rx */
|
|
RK_MUXROUTE_SAME(4, RK_PC0, 2, 0xe21c, BIT(16 + 10) | BIT(16 + 11) | BIT(10)), /* uart2dbgb_rx */
|
|
RK_MUXROUTE_SAME(4, RK_PC3, 1, 0xe21c, BIT(16 + 10) | BIT(16 + 11) | BIT(11)), /* uart2dbgc_rx */
|
|
RK_MUXROUTE_SAME(2, RK_PD2, 2, 0xe21c, BIT(16 + 14)), /* pcie_clkreqn */
|
|
RK_MUXROUTE_SAME(4, RK_PD0, 1, 0xe21c, BIT(16 + 14) | BIT(14)), /* pcie_clkreqnb */
|
|
};
|
|
|
|
static struct rockchip_mux_route_data rk3568_mux_route_data[] = {
|
|
RK_MUXROUTE_PMU(0, RK_PB7, 1, 0x0110, WRITE_MASK_VAL(1, 0, 0)), /* PWM0 IO mux M0 */
|
|
RK_MUXROUTE_PMU(0, RK_PC7, 2, 0x0110, WRITE_MASK_VAL(1, 0, 1)), /* PWM0 IO mux M1 */
|
|
RK_MUXROUTE_PMU(0, RK_PC0, 1, 0x0110, WRITE_MASK_VAL(3, 2, 0)), /* PWM1 IO mux M0 */
|
|
RK_MUXROUTE_PMU(0, RK_PB5, 4, 0x0110, WRITE_MASK_VAL(3, 2, 1)), /* PWM1 IO mux M1 */
|
|
RK_MUXROUTE_PMU(0, RK_PC1, 1, 0x0110, WRITE_MASK_VAL(5, 4, 0)), /* PWM2 IO mux M0 */
|
|
RK_MUXROUTE_PMU(0, RK_PB6, 4, 0x0110, WRITE_MASK_VAL(5, 4, 1)), /* PWM2 IO mux M1 */
|
|
RK_MUXROUTE_PMU(0, RK_PB3, 2, 0x0300, WRITE_MASK_VAL(0, 0, 0)), /* CAN0 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PA1, 4, 0x0300, WRITE_MASK_VAL(0, 0, 1)), /* CAN0 IO mux M1 */
|
|
RK_MUXROUTE_GRF(1, RK_PA1, 3, 0x0300, WRITE_MASK_VAL(2, 2, 0)), /* CAN1 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC3, 3, 0x0300, WRITE_MASK_VAL(2, 2, 1)), /* CAN1 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PB5, 3, 0x0300, WRITE_MASK_VAL(4, 4, 0)), /* CAN2 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PB2, 4, 0x0300, WRITE_MASK_VAL(4, 4, 1)), /* CAN2 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PC4, 1, 0x0300, WRITE_MASK_VAL(6, 6, 0)), /* HPDIN IO mux M0 */
|
|
RK_MUXROUTE_PMU(0, RK_PC2, 2, 0x0300, WRITE_MASK_VAL(6, 6, 1)), /* HPDIN IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PB1, 3, 0x0300, WRITE_MASK_VAL(8, 8, 0)), /* GMAC1 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PA7, 3, 0x0300, WRITE_MASK_VAL(8, 8, 1)), /* GMAC1 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PD1, 1, 0x0300, WRITE_MASK_VAL(10, 10, 0)), /* HDMITX IO mux M0 */
|
|
RK_MUXROUTE_PMU(0, RK_PC7, 1, 0x0300, WRITE_MASK_VAL(10, 10, 1)), /* HDMITX IO mux M1 */
|
|
RK_MUXROUTE_PMU(0, RK_PB6, 1, 0x0300, WRITE_MASK_VAL(14, 14, 0)), /* I2C2 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PB4, 1, 0x0300, WRITE_MASK_VAL(14, 14, 1)), /* I2C2 IO mux M1 */
|
|
RK_MUXROUTE_GRF(1, RK_PA0, 1, 0x0304, WRITE_MASK_VAL(0, 0, 0)), /* I2C3 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PB6, 4, 0x0304, WRITE_MASK_VAL(0, 0, 1)), /* I2C3 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PB2, 1, 0x0304, WRITE_MASK_VAL(2, 2, 0)), /* I2C4 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PB1, 2, 0x0304, WRITE_MASK_VAL(2, 2, 1)), /* I2C4 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PB4, 4, 0x0304, WRITE_MASK_VAL(4, 4, 0)), /* I2C5 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PD0, 2, 0x0304, WRITE_MASK_VAL(4, 4, 1)), /* I2C5 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PB1, 5, 0x0304, WRITE_MASK_VAL(14, 14, 0)), /* PWM8 IO mux M0 */
|
|
RK_MUXROUTE_GRF(1, RK_PD5, 4, 0x0304, WRITE_MASK_VAL(14, 14, 1)), /* PWM8 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PB2, 5, 0x0308, WRITE_MASK_VAL(0, 0, 0)), /* PWM9 IO mux M0 */
|
|
RK_MUXROUTE_GRF(1, RK_PD6, 4, 0x0308, WRITE_MASK_VAL(0, 0, 1)), /* PWM9 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PB5, 5, 0x0308, WRITE_MASK_VAL(2, 2, 0)), /* PWM10 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PA1, 2, 0x0308, WRITE_MASK_VAL(2, 2, 1)), /* PWM10 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PB6, 5, 0x0308, WRITE_MASK_VAL(4, 4, 0)), /* PWM11 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC0, 3, 0x0308, WRITE_MASK_VAL(4, 4, 1)), /* PWM11 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PB7, 2, 0x0308, WRITE_MASK_VAL(6, 6, 0)), /* PWM12 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC5, 1, 0x0308, WRITE_MASK_VAL(6, 6, 1)), /* PWM12 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PC0, 2, 0x0308, WRITE_MASK_VAL(8, 8, 0)), /* PWM13 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC6, 1, 0x0308, WRITE_MASK_VAL(8, 8, 1)), /* PWM13 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PC4, 1, 0x0308, WRITE_MASK_VAL(10, 10, 0)), /* PWM14 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC2, 1, 0x0308, WRITE_MASK_VAL(10, 10, 1)), /* PWM14 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PC5, 1, 0x0308, WRITE_MASK_VAL(12, 12, 0)), /* PWM15 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC3, 1, 0x0308, WRITE_MASK_VAL(12, 12, 1)), /* PWM15 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PD2, 3, 0x0308, WRITE_MASK_VAL(14, 14, 0)), /* SDMMC2 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PA5, 5, 0x0308, WRITE_MASK_VAL(14, 14, 1)), /* SDMMC2 IO mux M1 */
|
|
RK_MUXROUTE_PMU(0, RK_PB5, 2, 0x030c, WRITE_MASK_VAL(0, 0, 0)), /* SPI0 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PD3, 3, 0x030c, WRITE_MASK_VAL(0, 0, 1)), /* SPI0 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PB5, 3, 0x030c, WRITE_MASK_VAL(2, 2, 0)), /* SPI1 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PC3, 3, 0x030c, WRITE_MASK_VAL(2, 2, 1)), /* SPI1 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PC1, 4, 0x030c, WRITE_MASK_VAL(4, 4, 0)), /* SPI2 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PA0, 3, 0x030c, WRITE_MASK_VAL(4, 4, 1)), /* SPI2 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PB3, 4, 0x030c, WRITE_MASK_VAL(6, 6, 0)), /* SPI3 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC2, 2, 0x030c, WRITE_MASK_VAL(6, 6, 1)), /* SPI3 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PB4, 2, 0x030c, WRITE_MASK_VAL(8, 8, 0)), /* UART1 IO mux M0 */
|
|
RK_MUXROUTE_PMU(0, RK_PD1, 1, 0x030c, WRITE_MASK_VAL(8, 8, 1)), /* UART1 IO mux M1 */
|
|
RK_MUXROUTE_PMU(0, RK_PD1, 1, 0x030c, WRITE_MASK_VAL(10, 10, 0)), /* UART2 IO mux M0 */
|
|
RK_MUXROUTE_GRF(1, RK_PD5, 2, 0x030c, WRITE_MASK_VAL(10, 10, 1)), /* UART2 IO mux M1 */
|
|
RK_MUXROUTE_GRF(1, RK_PA1, 2, 0x030c, WRITE_MASK_VAL(12, 12, 0)), /* UART3 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PB7, 4, 0x030c, WRITE_MASK_VAL(12, 12, 1)), /* UART3 IO mux M1 */
|
|
RK_MUXROUTE_GRF(1, RK_PA6, 2, 0x030c, WRITE_MASK_VAL(14, 14, 0)), /* UART4 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PB2, 4, 0x030c, WRITE_MASK_VAL(14, 14, 1)), /* UART4 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PA2, 3, 0x0310, WRITE_MASK_VAL(0, 0, 0)), /* UART5 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PC2, 4, 0x0310, WRITE_MASK_VAL(0, 0, 1)), /* UART5 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PA4, 3, 0x0310, WRITE_MASK_VAL(2, 2, 0)), /* UART6 IO mux M0 */
|
|
RK_MUXROUTE_GRF(1, RK_PD5, 3, 0x0310, WRITE_MASK_VAL(2, 2, 1)), /* UART6 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PA6, 3, 0x0310, WRITE_MASK_VAL(5, 4, 0)), /* UART7 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PC4, 4, 0x0310, WRITE_MASK_VAL(5, 4, 1)), /* UART7 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PA2, 4, 0x0310, WRITE_MASK_VAL(5, 4, 2)), /* UART7 IO mux M2 */
|
|
RK_MUXROUTE_GRF(2, RK_PC5, 3, 0x0310, WRITE_MASK_VAL(6, 6, 0)), /* UART8 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PD7, 4, 0x0310, WRITE_MASK_VAL(6, 6, 1)), /* UART8 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PB0, 3, 0x0310, WRITE_MASK_VAL(9, 8, 0)), /* UART9 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC5, 4, 0x0310, WRITE_MASK_VAL(9, 8, 1)), /* UART9 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PA4, 4, 0x0310, WRITE_MASK_VAL(9, 8, 2)), /* UART9 IO mux M2 */
|
|
RK_MUXROUTE_GRF(1, RK_PA2, 1, 0x0310, WRITE_MASK_VAL(11, 10, 0)), /* I2S1 IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PC6, 4, 0x0310, WRITE_MASK_VAL(11, 10, 1)), /* I2S1 IO mux M1 */
|
|
RK_MUXROUTE_GRF(2, RK_PD0, 5, 0x0310, WRITE_MASK_VAL(11, 10, 2)), /* I2S1 IO mux M2 */
|
|
RK_MUXROUTE_GRF(2, RK_PC1, 1, 0x0310, WRITE_MASK_VAL(12, 12, 0)), /* I2S2 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PB6, 5, 0x0310, WRITE_MASK_VAL(12, 12, 1)), /* I2S2 IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PA2, 4, 0x0310, WRITE_MASK_VAL(14, 14, 0)), /* I2S3 IO mux M0 */
|
|
RK_MUXROUTE_GRF(4, RK_PC2, 5, 0x0310, WRITE_MASK_VAL(14, 14, 1)), /* I2S3 IO mux M1 */
|
|
RK_MUXROUTE_GRF(1, RK_PA4, 3, 0x0314, WRITE_MASK_VAL(1, 0, 0)), /* PDM IO mux M0 */
|
|
RK_MUXROUTE_GRF(1, RK_PA6, 3, 0x0314, WRITE_MASK_VAL(1, 0, 0)), /* PDM IO mux M0 */
|
|
RK_MUXROUTE_GRF(3, RK_PD6, 5, 0x0314, WRITE_MASK_VAL(1, 0, 1)), /* PDM IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PA0, 4, 0x0314, WRITE_MASK_VAL(1, 0, 1)), /* PDM IO mux M1 */
|
|
RK_MUXROUTE_GRF(3, RK_PC4, 5, 0x0314, WRITE_MASK_VAL(1, 0, 2)), /* PDM IO mux M2 */
|
|
RK_MUXROUTE_PMU(0, RK_PA5, 3, 0x0314, WRITE_MASK_VAL(3, 2, 0)), /* PCIE20 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PD0, 4, 0x0314, WRITE_MASK_VAL(3, 2, 1)), /* PCIE20 IO mux M1 */
|
|
RK_MUXROUTE_GRF(1, RK_PB0, 4, 0x0314, WRITE_MASK_VAL(3, 2, 2)), /* PCIE20 IO mux M2 */
|
|
RK_MUXROUTE_PMU(0, RK_PA4, 3, 0x0314, WRITE_MASK_VAL(5, 4, 0)), /* PCIE30X1 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PD2, 4, 0x0314, WRITE_MASK_VAL(5, 4, 1)), /* PCIE30X1 IO mux M1 */
|
|
RK_MUXROUTE_GRF(1, RK_PA5, 4, 0x0314, WRITE_MASK_VAL(5, 4, 2)), /* PCIE30X1 IO mux M2 */
|
|
RK_MUXROUTE_PMU(0, RK_PA6, 2, 0x0314, WRITE_MASK_VAL(7, 6, 0)), /* PCIE30X2 IO mux M0 */
|
|
RK_MUXROUTE_GRF(2, RK_PD4, 4, 0x0314, WRITE_MASK_VAL(7, 6, 1)), /* PCIE30X2 IO mux M1 */
|
|
RK_MUXROUTE_GRF(4, RK_PC2, 4, 0x0314, WRITE_MASK_VAL(7, 6, 2)), /* PCIE30X2 IO mux M2 */
|
|
};
|
|
|
|
static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin,
|
|
int mux, u32 *loc, u32 *reg, u32 *value)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct rockchip_mux_route_data *data;
|
|
int i;
|
|
|
|
for (i = 0; i < ctrl->niomux_routes; i++) {
|
|
data = &ctrl->iomux_routes[i];
|
|
if ((data->bank_num == bank->bank_num) &&
|
|
(data->pin == pin) && (data->func == mux))
|
|
break;
|
|
}
|
|
|
|
if (i >= ctrl->niomux_routes)
|
|
return false;
|
|
|
|
*loc = data->route_location;
|
|
*reg = data->route_offset;
|
|
*value = data->route_val;
|
|
|
|
return true;
|
|
}
|
|
|
|
static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
int iomux_num = (pin / 8);
|
|
struct regmap *regmap;
|
|
unsigned int val;
|
|
int reg, ret, mask, mux_type;
|
|
u8 bit;
|
|
|
|
if (iomux_num > 3)
|
|
return -EINVAL;
|
|
|
|
if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
|
|
dev_err(info->dev, "pin %d is unrouted\n", pin);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
|
|
return RK_FUNC_GPIO;
|
|
|
|
regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
|
|
? info->regmap_pmu : info->regmap_base;
|
|
|
|
/* get basic quadrupel of mux registers and the correct reg inside */
|
|
mux_type = bank->iomux[iomux_num].type;
|
|
reg = bank->iomux[iomux_num].offset;
|
|
if (mux_type & IOMUX_WIDTH_4BIT) {
|
|
if ((pin % 8) >= 4)
|
|
reg += 0x4;
|
|
bit = (pin % 4) * 4;
|
|
mask = 0xf;
|
|
} else if (mux_type & IOMUX_WIDTH_3BIT) {
|
|
if ((pin % 8) >= 5)
|
|
reg += 0x4;
|
|
bit = (pin % 8 % 5) * 3;
|
|
mask = 0x7;
|
|
} else {
|
|
bit = (pin % 8) * 2;
|
|
mask = 0x3;
|
|
}
|
|
|
|
if (bank->recalced_mask & BIT(pin))
|
|
rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask);
|
|
|
|
ret = regmap_read(regmap, reg, &val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return ((val >> bit) & mask);
|
|
}
|
|
|
|
static int rockchip_verify_mux(struct rockchip_pin_bank *bank,
|
|
int pin, int mux)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct device *dev = info->dev;
|
|
int iomux_num = (pin / 8);
|
|
|
|
if (iomux_num > 3)
|
|
return -EINVAL;
|
|
|
|
if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
|
|
dev_err(dev, "pin %d is unrouted\n", pin);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) {
|
|
if (mux != RK_FUNC_GPIO) {
|
|
dev_err(dev, "pin %d only supports a gpio mux\n", pin);
|
|
return -ENOTSUPP;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Set a new mux function for a pin.
|
|
*
|
|
* The register is divided into the upper and lower 16 bit. When changing
|
|
* a value, the previous register value is not read and changed. Instead
|
|
* it seems the changed bits are marked in the upper 16 bit, while the
|
|
* changed value gets set in the same offset in the lower 16 bit.
|
|
* All pin settings seem to be 2 bit wide in both the upper and lower
|
|
* parts.
|
|
* @bank: pin bank to change
|
|
* @pin: pin to change
|
|
* @mux: new mux function to set
|
|
*/
|
|
static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct device *dev = info->dev;
|
|
int iomux_num = (pin / 8);
|
|
struct regmap *regmap;
|
|
int reg, ret, mask, mux_type;
|
|
u8 bit;
|
|
u32 data, rmask, route_location, route_reg, route_val;
|
|
|
|
ret = rockchip_verify_mux(bank, pin, mux);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
|
|
return 0;
|
|
|
|
dev_dbg(dev, "setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
|
|
|
|
regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
|
|
? info->regmap_pmu : info->regmap_base;
|
|
|
|
/* get basic quadrupel of mux registers and the correct reg inside */
|
|
mux_type = bank->iomux[iomux_num].type;
|
|
reg = bank->iomux[iomux_num].offset;
|
|
if (mux_type & IOMUX_WIDTH_4BIT) {
|
|
if ((pin % 8) >= 4)
|
|
reg += 0x4;
|
|
bit = (pin % 4) * 4;
|
|
mask = 0xf;
|
|
} else if (mux_type & IOMUX_WIDTH_3BIT) {
|
|
if ((pin % 8) >= 5)
|
|
reg += 0x4;
|
|
bit = (pin % 8 % 5) * 3;
|
|
mask = 0x7;
|
|
} else {
|
|
bit = (pin % 8) * 2;
|
|
mask = 0x3;
|
|
}
|
|
|
|
if (bank->recalced_mask & BIT(pin))
|
|
rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask);
|
|
|
|
if (bank->route_mask & BIT(pin)) {
|
|
if (rockchip_get_mux_route(bank, pin, mux, &route_location,
|
|
&route_reg, &route_val)) {
|
|
struct regmap *route_regmap = regmap;
|
|
|
|
/* handle special locations */
|
|
switch (route_location) {
|
|
case ROCKCHIP_ROUTE_PMU:
|
|
route_regmap = info->regmap_pmu;
|
|
break;
|
|
case ROCKCHIP_ROUTE_GRF:
|
|
route_regmap = info->regmap_base;
|
|
break;
|
|
}
|
|
|
|
ret = regmap_write(route_regmap, route_reg, route_val);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
data = (mask << (bit + 16));
|
|
rmask = data | (data >> 16);
|
|
data |= (mux & mask) << bit;
|
|
ret = regmap_update_bits(regmap, reg, rmask, data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define PX30_PULL_PMU_OFFSET 0x10
|
|
#define PX30_PULL_GRF_OFFSET 0x60
|
|
#define PX30_PULL_BITS_PER_PIN 2
|
|
#define PX30_PULL_PINS_PER_REG 8
|
|
#define PX30_PULL_BANK_STRIDE 16
|
|
|
|
static void px30_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 32 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = PX30_PULL_PMU_OFFSET;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = PX30_PULL_GRF_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * PX30_PULL_BANK_STRIDE;
|
|
}
|
|
|
|
*reg += ((pin_num / PX30_PULL_PINS_PER_REG) * 4);
|
|
*bit = (pin_num % PX30_PULL_PINS_PER_REG);
|
|
*bit *= PX30_PULL_BITS_PER_PIN;
|
|
}
|
|
|
|
#define PX30_DRV_PMU_OFFSET 0x20
|
|
#define PX30_DRV_GRF_OFFSET 0xf0
|
|
#define PX30_DRV_BITS_PER_PIN 2
|
|
#define PX30_DRV_PINS_PER_REG 8
|
|
#define PX30_DRV_BANK_STRIDE 16
|
|
|
|
static void px30_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 32 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = PX30_DRV_PMU_OFFSET;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = PX30_DRV_GRF_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * PX30_DRV_BANK_STRIDE;
|
|
}
|
|
|
|
*reg += ((pin_num / PX30_DRV_PINS_PER_REG) * 4);
|
|
*bit = (pin_num % PX30_DRV_PINS_PER_REG);
|
|
*bit *= PX30_DRV_BITS_PER_PIN;
|
|
}
|
|
|
|
#define PX30_SCHMITT_PMU_OFFSET 0x38
|
|
#define PX30_SCHMITT_GRF_OFFSET 0xc0
|
|
#define PX30_SCHMITT_PINS_PER_PMU_REG 16
|
|
#define PX30_SCHMITT_BANK_STRIDE 16
|
|
#define PX30_SCHMITT_PINS_PER_GRF_REG 8
|
|
|
|
static int px30_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num,
|
|
struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
int pins_per_reg;
|
|
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = PX30_SCHMITT_PMU_OFFSET;
|
|
pins_per_reg = PX30_SCHMITT_PINS_PER_PMU_REG;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = PX30_SCHMITT_GRF_OFFSET;
|
|
pins_per_reg = PX30_SCHMITT_PINS_PER_GRF_REG;
|
|
*reg += (bank->bank_num - 1) * PX30_SCHMITT_BANK_STRIDE;
|
|
}
|
|
|
|
*reg += ((pin_num / pins_per_reg) * 4);
|
|
*bit = pin_num % pins_per_reg;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define RV1108_PULL_PMU_OFFSET 0x10
|
|
#define RV1108_PULL_OFFSET 0x110
|
|
#define RV1108_PULL_PINS_PER_REG 8
|
|
#define RV1108_PULL_BITS_PER_PIN 2
|
|
#define RV1108_PULL_BANK_STRIDE 16
|
|
|
|
static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 24 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RV1108_PULL_PMU_OFFSET;
|
|
} else {
|
|
*reg = RV1108_PULL_OFFSET;
|
|
*regmap = info->regmap_base;
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * RV1108_PULL_BANK_STRIDE;
|
|
}
|
|
|
|
*reg += ((pin_num / RV1108_PULL_PINS_PER_REG) * 4);
|
|
*bit = (pin_num % RV1108_PULL_PINS_PER_REG);
|
|
*bit *= RV1108_PULL_BITS_PER_PIN;
|
|
}
|
|
|
|
#define RV1108_DRV_PMU_OFFSET 0x20
|
|
#define RV1108_DRV_GRF_OFFSET 0x210
|
|
#define RV1108_DRV_BITS_PER_PIN 2
|
|
#define RV1108_DRV_PINS_PER_REG 8
|
|
#define RV1108_DRV_BANK_STRIDE 16
|
|
|
|
static void rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 24 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RV1108_DRV_PMU_OFFSET;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RV1108_DRV_GRF_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * RV1108_DRV_BANK_STRIDE;
|
|
}
|
|
|
|
*reg += ((pin_num / RV1108_DRV_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RV1108_DRV_PINS_PER_REG;
|
|
*bit *= RV1108_DRV_BITS_PER_PIN;
|
|
}
|
|
|
|
#define RV1108_SCHMITT_PMU_OFFSET 0x30
|
|
#define RV1108_SCHMITT_GRF_OFFSET 0x388
|
|
#define RV1108_SCHMITT_BANK_STRIDE 8
|
|
#define RV1108_SCHMITT_PINS_PER_GRF_REG 16
|
|
#define RV1108_SCHMITT_PINS_PER_PMU_REG 8
|
|
|
|
static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num,
|
|
struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
int pins_per_reg;
|
|
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RV1108_SCHMITT_PMU_OFFSET;
|
|
pins_per_reg = RV1108_SCHMITT_PINS_PER_PMU_REG;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RV1108_SCHMITT_GRF_OFFSET;
|
|
pins_per_reg = RV1108_SCHMITT_PINS_PER_GRF_REG;
|
|
*reg += (bank->bank_num - 1) * RV1108_SCHMITT_BANK_STRIDE;
|
|
}
|
|
*reg += ((pin_num / pins_per_reg) * 4);
|
|
*bit = pin_num % pins_per_reg;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define RK3308_SCHMITT_PINS_PER_REG 8
|
|
#define RK3308_SCHMITT_BANK_STRIDE 16
|
|
#define RK3308_SCHMITT_GRF_OFFSET 0x1a0
|
|
|
|
static int rk3308_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3308_SCHMITT_GRF_OFFSET;
|
|
|
|
*reg += bank->bank_num * RK3308_SCHMITT_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3308_SCHMITT_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3308_SCHMITT_PINS_PER_REG;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define RK2928_PULL_OFFSET 0x118
|
|
#define RK2928_PULL_PINS_PER_REG 16
|
|
#define RK2928_PULL_BANK_STRIDE 8
|
|
|
|
static void rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK2928_PULL_OFFSET;
|
|
*reg += bank->bank_num * RK2928_PULL_BANK_STRIDE;
|
|
*reg += (pin_num / RK2928_PULL_PINS_PER_REG) * 4;
|
|
|
|
*bit = pin_num % RK2928_PULL_PINS_PER_REG;
|
|
};
|
|
|
|
#define RK3128_PULL_OFFSET 0x118
|
|
|
|
static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3128_PULL_OFFSET;
|
|
*reg += bank->bank_num * RK2928_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK2928_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = pin_num % RK2928_PULL_PINS_PER_REG;
|
|
}
|
|
|
|
#define RK3188_PULL_OFFSET 0x164
|
|
#define RK3188_PULL_BITS_PER_PIN 2
|
|
#define RK3188_PULL_PINS_PER_REG 8
|
|
#define RK3188_PULL_BANK_STRIDE 16
|
|
#define RK3188_PULL_PMU_OFFSET 0x64
|
|
|
|
static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 12 pins of the first bank are located elsewhere */
|
|
if (bank->bank_num == 0 && pin_num < 12) {
|
|
*regmap = info->regmap_pmu ? info->regmap_pmu
|
|
: bank->regmap_pull;
|
|
*reg = info->regmap_pmu ? RK3188_PULL_PMU_OFFSET : 0;
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3188_PULL_PINS_PER_REG;
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_pull ? info->regmap_pull
|
|
: info->regmap_base;
|
|
*reg = info->regmap_pull ? 0 : RK3188_PULL_OFFSET;
|
|
|
|
/* correct the offset, as it is the 2nd pull register */
|
|
*reg -= 4;
|
|
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
|
|
/*
|
|
* The bits in these registers have an inverse ordering
|
|
* with the lowest pin being in bits 15:14 and the highest
|
|
* pin in bits 1:0
|
|
*/
|
|
*bit = 7 - (pin_num % RK3188_PULL_PINS_PER_REG);
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
#define RK3288_PULL_OFFSET 0x140
|
|
static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 24 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3188_PULL_PMU_OFFSET;
|
|
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3188_PULL_PINS_PER_REG;
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3288_PULL_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
#define RK3288_DRV_PMU_OFFSET 0x70
|
|
#define RK3288_DRV_GRF_OFFSET 0x1c0
|
|
#define RK3288_DRV_BITS_PER_PIN 2
|
|
#define RK3288_DRV_PINS_PER_REG 8
|
|
#define RK3288_DRV_BANK_STRIDE 16
|
|
|
|
static void rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 24 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3288_DRV_PMU_OFFSET;
|
|
|
|
*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3288_DRV_PINS_PER_REG;
|
|
*bit *= RK3288_DRV_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3288_DRV_GRF_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
|
|
*bit *= RK3288_DRV_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
#define RK3228_PULL_OFFSET 0x100
|
|
|
|
static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3228_PULL_OFFSET;
|
|
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
}
|
|
|
|
#define RK3228_DRV_GRF_OFFSET 0x200
|
|
|
|
static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3228_DRV_GRF_OFFSET;
|
|
*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
|
|
*bit *= RK3288_DRV_BITS_PER_PIN;
|
|
}
|
|
|
|
#define RK3308_PULL_OFFSET 0xa0
|
|
|
|
static void rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3308_PULL_OFFSET;
|
|
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
}
|
|
|
|
#define RK3308_DRV_GRF_OFFSET 0x100
|
|
|
|
static void rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3308_DRV_GRF_OFFSET;
|
|
*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
|
|
*bit *= RK3288_DRV_BITS_PER_PIN;
|
|
}
|
|
|
|
#define RK3368_PULL_GRF_OFFSET 0x100
|
|
#define RK3368_PULL_PMU_OFFSET 0x10
|
|
|
|
static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 32 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3368_PULL_PMU_OFFSET;
|
|
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3188_PULL_PINS_PER_REG;
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3368_PULL_GRF_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
#define RK3368_DRV_PMU_OFFSET 0x20
|
|
#define RK3368_DRV_GRF_OFFSET 0x200
|
|
|
|
static void rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 32 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3368_DRV_PMU_OFFSET;
|
|
|
|
*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3288_DRV_PINS_PER_REG;
|
|
*bit *= RK3288_DRV_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3368_DRV_GRF_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 2nd bank */
|
|
*reg -= 0x10;
|
|
*reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3288_DRV_PINS_PER_REG);
|
|
*bit *= RK3288_DRV_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
#define RK3399_PULL_GRF_OFFSET 0xe040
|
|
#define RK3399_PULL_PMU_OFFSET 0x40
|
|
#define RK3399_DRV_3BITS_PER_PIN 3
|
|
|
|
static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The bank0:16 and bank1:32 pins are located in PMU */
|
|
if ((bank->bank_num == 0) || (bank->bank_num == 1)) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3399_PULL_PMU_OFFSET;
|
|
|
|
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
|
|
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3188_PULL_PINS_PER_REG;
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3399_PULL_GRF_OFFSET;
|
|
|
|
/* correct the offset, as we're starting with the 3rd bank */
|
|
*reg -= 0x20;
|
|
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3188_PULL_PINS_PER_REG);
|
|
*bit *= RK3188_PULL_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
int drv_num = (pin_num / 8);
|
|
|
|
/* The bank0:16 and bank1:32 pins are located in PMU */
|
|
if ((bank->bank_num == 0) || (bank->bank_num == 1))
|
|
*regmap = info->regmap_pmu;
|
|
else
|
|
*regmap = info->regmap_base;
|
|
|
|
*reg = bank->drv[drv_num].offset;
|
|
if ((bank->drv[drv_num].drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) ||
|
|
(bank->drv[drv_num].drv_type == DRV_TYPE_IO_3V3_ONLY))
|
|
*bit = (pin_num % 8) * 3;
|
|
else
|
|
*bit = (pin_num % 8) * 2;
|
|
}
|
|
|
|
#define RK3568_PULL_PMU_OFFSET 0x20
|
|
#define RK3568_PULL_GRF_OFFSET 0x80
|
|
#define RK3568_PULL_BITS_PER_PIN 2
|
|
#define RK3568_PULL_PINS_PER_REG 8
|
|
#define RK3568_PULL_BANK_STRIDE 0x10
|
|
|
|
static void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3568_PULL_PMU_OFFSET;
|
|
*reg += bank->bank_num * RK3568_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = pin_num % RK3568_PULL_PINS_PER_REG;
|
|
*bit *= RK3568_PULL_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3568_PULL_GRF_OFFSET;
|
|
*reg += (bank->bank_num - 1) * RK3568_PULL_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3568_PULL_PINS_PER_REG);
|
|
*bit *= RK3568_PULL_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
#define RK3568_DRV_PMU_OFFSET 0x70
|
|
#define RK3568_DRV_GRF_OFFSET 0x200
|
|
#define RK3568_DRV_BITS_PER_PIN 8
|
|
#define RK3568_DRV_PINS_PER_REG 2
|
|
#define RK3568_DRV_BANK_STRIDE 0x40
|
|
|
|
static void rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num, struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
/* The first 32 pins of the first bank are located in PMU */
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3568_DRV_PMU_OFFSET;
|
|
*reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4);
|
|
|
|
*bit = pin_num % RK3568_DRV_PINS_PER_REG;
|
|
*bit *= RK3568_DRV_BITS_PER_PIN;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3568_DRV_GRF_OFFSET;
|
|
*reg += (bank->bank_num - 1) * RK3568_DRV_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4);
|
|
|
|
*bit = (pin_num % RK3568_DRV_PINS_PER_REG);
|
|
*bit *= RK3568_DRV_BITS_PER_PIN;
|
|
}
|
|
}
|
|
|
|
static int rockchip_perpin_drv_list[DRV_TYPE_MAX][8] = {
|
|
{ 2, 4, 8, 12, -1, -1, -1, -1 },
|
|
{ 3, 6, 9, 12, -1, -1, -1, -1 },
|
|
{ 5, 10, 15, 20, -1, -1, -1, -1 },
|
|
{ 4, 6, 8, 10, 12, 14, 16, 18 },
|
|
{ 4, 7, 10, 13, 16, 19, 22, 26 }
|
|
};
|
|
|
|
static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank,
|
|
int pin_num)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct device *dev = info->dev;
|
|
struct regmap *regmap;
|
|
int reg, ret;
|
|
u32 data, temp, rmask_bits;
|
|
u8 bit;
|
|
int drv_type = bank->drv[pin_num / 8].drv_type;
|
|
|
|
ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
|
|
|
|
switch (drv_type) {
|
|
case DRV_TYPE_IO_1V8_3V0_AUTO:
|
|
case DRV_TYPE_IO_3V3_ONLY:
|
|
rmask_bits = RK3399_DRV_3BITS_PER_PIN;
|
|
switch (bit) {
|
|
case 0 ... 12:
|
|
/* regular case, nothing to do */
|
|
break;
|
|
case 15:
|
|
/*
|
|
* drive-strength offset is special, as it is
|
|
* spread over 2 registers
|
|
*/
|
|
ret = regmap_read(regmap, reg, &data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = regmap_read(regmap, reg + 0x4, &temp);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/*
|
|
* the bit data[15] contains bit 0 of the value
|
|
* while temp[1:0] contains bits 2 and 1
|
|
*/
|
|
data >>= 15;
|
|
temp &= 0x3;
|
|
temp <<= 1;
|
|
data |= temp;
|
|
|
|
return rockchip_perpin_drv_list[drv_type][data];
|
|
case 18 ... 21:
|
|
/* setting fully enclosed in the second register */
|
|
reg += 4;
|
|
bit -= 16;
|
|
break;
|
|
default:
|
|
dev_err(dev, "unsupported bit: %d for pinctrl drive type: %d\n",
|
|
bit, drv_type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
break;
|
|
case DRV_TYPE_IO_DEFAULT:
|
|
case DRV_TYPE_IO_1V8_OR_3V0:
|
|
case DRV_TYPE_IO_1V8_ONLY:
|
|
rmask_bits = RK3288_DRV_BITS_PER_PIN;
|
|
break;
|
|
default:
|
|
dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = regmap_read(regmap, reg, &data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
data >>= bit;
|
|
data &= (1 << rmask_bits) - 1;
|
|
|
|
return rockchip_perpin_drv_list[drv_type][data];
|
|
}
|
|
|
|
static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank,
|
|
int pin_num, int strength)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct device *dev = info->dev;
|
|
struct regmap *regmap;
|
|
int reg, ret, i;
|
|
u32 data, rmask, rmask_bits, temp;
|
|
u8 bit;
|
|
int drv_type = bank->drv[pin_num / 8].drv_type;
|
|
|
|
dev_dbg(dev, "setting drive of GPIO%d-%d to %d\n",
|
|
bank->bank_num, pin_num, strength);
|
|
|
|
ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
|
|
if (ctrl->type == RK3568) {
|
|
rmask_bits = RK3568_DRV_BITS_PER_PIN;
|
|
ret = (1 << (strength + 1)) - 1;
|
|
goto config;
|
|
}
|
|
|
|
ret = -EINVAL;
|
|
for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) {
|
|
if (rockchip_perpin_drv_list[drv_type][i] == strength) {
|
|
ret = i;
|
|
break;
|
|
} else if (rockchip_perpin_drv_list[drv_type][i] < 0) {
|
|
ret = rockchip_perpin_drv_list[drv_type][i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ret < 0) {
|
|
dev_err(dev, "unsupported driver strength %d\n", strength);
|
|
return ret;
|
|
}
|
|
|
|
switch (drv_type) {
|
|
case DRV_TYPE_IO_1V8_3V0_AUTO:
|
|
case DRV_TYPE_IO_3V3_ONLY:
|
|
rmask_bits = RK3399_DRV_3BITS_PER_PIN;
|
|
switch (bit) {
|
|
case 0 ... 12:
|
|
/* regular case, nothing to do */
|
|
break;
|
|
case 15:
|
|
/*
|
|
* drive-strength offset is special, as it is spread
|
|
* over 2 registers, the bit data[15] contains bit 0
|
|
* of the value while temp[1:0] contains bits 2 and 1
|
|
*/
|
|
data = (ret & 0x1) << 15;
|
|
temp = (ret >> 0x1) & 0x3;
|
|
|
|
rmask = BIT(15) | BIT(31);
|
|
data |= BIT(31);
|
|
ret = regmap_update_bits(regmap, reg, rmask, data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
rmask = 0x3 | (0x3 << 16);
|
|
temp |= (0x3 << 16);
|
|
reg += 0x4;
|
|
ret = regmap_update_bits(regmap, reg, rmask, temp);
|
|
|
|
return ret;
|
|
case 18 ... 21:
|
|
/* setting fully enclosed in the second register */
|
|
reg += 4;
|
|
bit -= 16;
|
|
break;
|
|
default:
|
|
dev_err(dev, "unsupported bit: %d for pinctrl drive type: %d\n",
|
|
bit, drv_type);
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case DRV_TYPE_IO_DEFAULT:
|
|
case DRV_TYPE_IO_1V8_OR_3V0:
|
|
case DRV_TYPE_IO_1V8_ONLY:
|
|
rmask_bits = RK3288_DRV_BITS_PER_PIN;
|
|
break;
|
|
default:
|
|
dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
config:
|
|
/* enable the write to the equivalent lower bits */
|
|
data = ((1 << rmask_bits) - 1) << (bit + 16);
|
|
rmask = data | (data >> 16);
|
|
data |= (ret << bit);
|
|
|
|
ret = regmap_update_bits(regmap, reg, rmask, data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rockchip_pull_list[PULL_TYPE_MAX][4] = {
|
|
{
|
|
PIN_CONFIG_BIAS_DISABLE,
|
|
PIN_CONFIG_BIAS_PULL_UP,
|
|
PIN_CONFIG_BIAS_PULL_DOWN,
|
|
PIN_CONFIG_BIAS_BUS_HOLD
|
|
},
|
|
{
|
|
PIN_CONFIG_BIAS_DISABLE,
|
|
PIN_CONFIG_BIAS_PULL_DOWN,
|
|
PIN_CONFIG_BIAS_DISABLE,
|
|
PIN_CONFIG_BIAS_PULL_UP
|
|
},
|
|
};
|
|
|
|
static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct device *dev = info->dev;
|
|
struct regmap *regmap;
|
|
int reg, ret, pull_type;
|
|
u8 bit;
|
|
u32 data;
|
|
|
|
/* rk3066b does support any pulls */
|
|
if (ctrl->type == RK3066B)
|
|
return PIN_CONFIG_BIAS_DISABLE;
|
|
|
|
ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
|
|
|
|
ret = regmap_read(regmap, reg, &data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
switch (ctrl->type) {
|
|
case RK2928:
|
|
case RK3128:
|
|
return !(data & BIT(bit))
|
|
? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT
|
|
: PIN_CONFIG_BIAS_DISABLE;
|
|
case PX30:
|
|
case RV1108:
|
|
case RK3188:
|
|
case RK3288:
|
|
case RK3308:
|
|
case RK3368:
|
|
case RK3399:
|
|
pull_type = bank->pull_type[pin_num / 8];
|
|
data >>= bit;
|
|
data &= (1 << RK3188_PULL_BITS_PER_PIN) - 1;
|
|
|
|
return rockchip_pull_list[pull_type][data];
|
|
default:
|
|
dev_err(dev, "unsupported pinctrl type\n");
|
|
return -EINVAL;
|
|
};
|
|
}
|
|
|
|
static int rockchip_set_pull(struct rockchip_pin_bank *bank,
|
|
int pin_num, int pull)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct device *dev = info->dev;
|
|
struct regmap *regmap;
|
|
int reg, ret, i, pull_type;
|
|
u8 bit;
|
|
u32 data, rmask;
|
|
|
|
dev_dbg(dev, "setting pull of GPIO%d-%d to %d\n", bank->bank_num, pin_num, pull);
|
|
|
|
/* rk3066b does support any pulls */
|
|
if (ctrl->type == RK3066B)
|
|
return pull ? -EINVAL : 0;
|
|
|
|
ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
|
|
|
|
switch (ctrl->type) {
|
|
case RK2928:
|
|
case RK3128:
|
|
data = BIT(bit + 16);
|
|
if (pull == PIN_CONFIG_BIAS_DISABLE)
|
|
data |= BIT(bit);
|
|
ret = regmap_write(regmap, reg, data);
|
|
break;
|
|
case PX30:
|
|
case RV1108:
|
|
case RK3188:
|
|
case RK3288:
|
|
case RK3308:
|
|
case RK3368:
|
|
case RK3399:
|
|
case RK3568:
|
|
pull_type = bank->pull_type[pin_num / 8];
|
|
ret = -EINVAL;
|
|
for (i = 0; i < ARRAY_SIZE(rockchip_pull_list[pull_type]);
|
|
i++) {
|
|
if (rockchip_pull_list[pull_type][i] == pull) {
|
|
ret = i;
|
|
break;
|
|
}
|
|
}
|
|
/*
|
|
* In the TRM, pull-up being 1 for everything except the GPIO0_D0-D6,
|
|
* where that pull up value becomes 3.
|
|
*/
|
|
if (ctrl->type == RK3568 && bank->bank_num == 0 && pin_num >= 27 && pin_num <= 30) {
|
|
if (ret == 1)
|
|
ret = 3;
|
|
}
|
|
|
|
if (ret < 0) {
|
|
dev_err(dev, "unsupported pull setting %d\n", pull);
|
|
return ret;
|
|
}
|
|
|
|
/* enable the write to the equivalent lower bits */
|
|
data = ((1 << RK3188_PULL_BITS_PER_PIN) - 1) << (bit + 16);
|
|
rmask = data | (data >> 16);
|
|
data |= (ret << bit);
|
|
|
|
ret = regmap_update_bits(regmap, reg, rmask, data);
|
|
break;
|
|
default:
|
|
dev_err(dev, "unsupported pinctrl type\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define RK3328_SCHMITT_BITS_PER_PIN 1
|
|
#define RK3328_SCHMITT_PINS_PER_REG 16
|
|
#define RK3328_SCHMITT_BANK_STRIDE 8
|
|
#define RK3328_SCHMITT_GRF_OFFSET 0x380
|
|
|
|
static int rk3328_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num,
|
|
struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3328_SCHMITT_GRF_OFFSET;
|
|
|
|
*reg += bank->bank_num * RK3328_SCHMITT_BANK_STRIDE;
|
|
*reg += ((pin_num / RK3328_SCHMITT_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3328_SCHMITT_PINS_PER_REG;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define RK3568_SCHMITT_BITS_PER_PIN 2
|
|
#define RK3568_SCHMITT_PINS_PER_REG 8
|
|
#define RK3568_SCHMITT_BANK_STRIDE 0x10
|
|
#define RK3568_SCHMITT_GRF_OFFSET 0xc0
|
|
#define RK3568_SCHMITT_PMUGRF_OFFSET 0x30
|
|
|
|
static int rk3568_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
|
|
int pin_num,
|
|
struct regmap **regmap,
|
|
int *reg, u8 *bit)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
|
|
if (bank->bank_num == 0) {
|
|
*regmap = info->regmap_pmu;
|
|
*reg = RK3568_SCHMITT_PMUGRF_OFFSET;
|
|
} else {
|
|
*regmap = info->regmap_base;
|
|
*reg = RK3568_SCHMITT_GRF_OFFSET;
|
|
*reg += (bank->bank_num - 1) * RK3568_SCHMITT_BANK_STRIDE;
|
|
}
|
|
|
|
*reg += ((pin_num / RK3568_SCHMITT_PINS_PER_REG) * 4);
|
|
*bit = pin_num % RK3568_SCHMITT_PINS_PER_REG;
|
|
*bit *= RK3568_SCHMITT_BITS_PER_PIN;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rockchip_get_schmitt(struct rockchip_pin_bank *bank, int pin_num)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct regmap *regmap;
|
|
int reg, ret;
|
|
u8 bit;
|
|
u32 data;
|
|
|
|
ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = regmap_read(regmap, reg, &data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
data >>= bit;
|
|
switch (ctrl->type) {
|
|
case RK3568:
|
|
return data & ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return data & 0x1;
|
|
}
|
|
|
|
static int rockchip_set_schmitt(struct rockchip_pin_bank *bank,
|
|
int pin_num, int enable)
|
|
{
|
|
struct rockchip_pinctrl *info = bank->drvdata;
|
|
struct rockchip_pin_ctrl *ctrl = info->ctrl;
|
|
struct device *dev = info->dev;
|
|
struct regmap *regmap;
|
|
int reg, ret;
|
|
u8 bit;
|
|
u32 data, rmask;
|
|
|
|
dev_dbg(dev, "setting input schmitt of GPIO%d-%d to %d\n",
|
|
bank->bank_num, pin_num, enable);
|
|
|
|
ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* enable the write to the equivalent lower bits */
|
|
switch (ctrl->type) {
|
|
case RK3568:
|
|
data = ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1) << (bit + 16);
|
|
rmask = data | (data >> 16);
|
|
data |= ((enable ? 0x2 : 0x1) << bit);
|
|
break;
|
|
default:
|
|
data = BIT(bit + 16) | (enable << bit);
|
|
rmask = BIT(bit + 16) | BIT(bit);
|
|
break;
|
|
}
|
|
|
|
return regmap_update_bits(regmap, reg, rmask, data);
|
|
}
|
|
|
|
/*
|
|
* Pinmux_ops handling
|
|
*/
|
|
|
|
static int rockchip_pmx_get_funcs_count(struct pinctrl_dev *pctldev)
|
|
{
|
|
struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
|
|
|
|
return info->nfunctions;
|
|
}
|
|
|
|
static const char *rockchip_pmx_get_func_name(struct pinctrl_dev *pctldev,
|
|
unsigned selector)
|
|
{
|
|
struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
|
|
|
|
return info->functions[selector].name;
|
|
}
|
|
|
|
static int rockchip_pmx_get_groups(struct pinctrl_dev *pctldev,
|
|
unsigned selector, const char * const **groups,
|
|
unsigned * const num_groups)
|
|
{
|
|
struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
|
|
|
|
*groups = info->functions[selector].groups;
|
|
*num_groups = info->functions[selector].ngroups;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector,
|
|
unsigned group)
|
|
{
|
|
struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
|
|
const unsigned int *pins = info->groups[group].pins;
|
|
const struct rockchip_pin_config *data = info->groups[group].data;
|
|
struct device *dev = info->dev;
|
|
struct rockchip_pin_bank *bank;
|
|
int cnt, ret = 0;
|
|
|
|
dev_dbg(dev, "enable function %s group %s\n",
|
|
info->functions[selector].name, info->groups[group].name);
|
|
|
|
/*
|
|
* for each pin in the pin group selected, program the corresponding
|
|
* pin function number in the config register.
|
|
*/
|
|
for (cnt = 0; cnt < info->groups[group].npins; cnt++) {
|
|
bank = pin_to_bank(info, pins[cnt]);
|
|
ret = rockchip_set_mux(bank, pins[cnt] - bank->pin_base,
|
|
data[cnt].func);
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
if (ret) {
|
|
/* revert the already done pin settings */
|
|
for (cnt--; cnt >= 0; cnt--)
|
|
rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct pinmux_ops rockchip_pmx_ops = {
|
|
.get_functions_count = rockchip_pmx_get_funcs_count,
|
|
.get_function_name = rockchip_pmx_get_func_name,
|
|
.get_function_groups = rockchip_pmx_get_groups,
|
|
.set_mux = rockchip_pmx_set,
|
|
};
|
|
|
|
/*
|
|
* Pinconf_ops handling
|
|
*/
|
|
|
|
static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl,
|
|
enum pin_config_param pull)
|
|
{
|
|
switch (ctrl->type) {
|
|
case RK2928:
|
|
case RK3128:
|
|
return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT ||
|
|
pull == PIN_CONFIG_BIAS_DISABLE);
|
|
case RK3066B:
|
|
return pull ? false : true;
|
|
case PX30:
|
|
case RV1108:
|
|
case RK3188:
|
|
case RK3288:
|
|
case RK3308:
|
|
case RK3368:
|
|
case RK3399:
|
|
case RK3568:
|
|
return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int rockchip_pinconf_defer_output(struct rockchip_pin_bank *bank,
|
|
unsigned int pin, u32 arg)
|
|
{
|
|
struct rockchip_pin_output_deferred *cfg;
|
|
|
|
cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
|
|
if (!cfg)
|
|
return -ENOMEM;
|
|
|
|
cfg->pin = pin;
|
|
cfg->arg = arg;
|
|
|
|
list_add_tail(&cfg->head, &bank->deferred_output);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* set the pin config settings for a specified pin */
|
|
static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
|
|
unsigned long *configs, unsigned num_configs)
|
|
{
|
|
struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
|
|
struct rockchip_pin_bank *bank = pin_to_bank(info, pin);
|
|
struct gpio_chip *gpio = &bank->gpio_chip;
|
|
enum pin_config_param param;
|
|
u32 arg;
|
|
int i;
|
|
int rc;
|
|
|
|
for (i = 0; i < num_configs; i++) {
|
|
param = pinconf_to_config_param(configs[i]);
|
|
arg = pinconf_to_config_argument(configs[i]);
|
|
|
|
switch (param) {
|
|
case PIN_CONFIG_BIAS_DISABLE:
|
|
rc = rockchip_set_pull(bank, pin - bank->pin_base,
|
|
param);
|
|
if (rc)
|
|
return rc;
|
|
break;
|
|
case PIN_CONFIG_BIAS_PULL_UP:
|
|
case PIN_CONFIG_BIAS_PULL_DOWN:
|
|
case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
|
|
case PIN_CONFIG_BIAS_BUS_HOLD:
|
|
if (!rockchip_pinconf_pull_valid(info->ctrl, param))
|
|
return -ENOTSUPP;
|
|
|
|
if (!arg)
|
|
return -EINVAL;
|
|
|
|
rc = rockchip_set_pull(bank, pin - bank->pin_base,
|
|
param);
|
|
if (rc)
|
|
return rc;
|
|
break;
|
|
case PIN_CONFIG_OUTPUT:
|
|
rc = rockchip_set_mux(bank, pin - bank->pin_base,
|
|
RK_FUNC_GPIO);
|
|
if (rc != RK_FUNC_GPIO)
|
|
return -EINVAL;
|
|
|
|
/*
|
|
* Check for gpio driver not being probed yet.
|
|
* The lock makes sure that either gpio-probe has completed
|
|
* or the gpio driver hasn't probed yet.
|
|
*/
|
|
mutex_lock(&bank->deferred_lock);
|
|
if (!gpio || !gpio->direction_output) {
|
|
rc = rockchip_pinconf_defer_output(bank, pin - bank->pin_base, arg);
|
|
mutex_unlock(&bank->deferred_lock);
|
|
if (rc)
|
|
return rc;
|
|
|
|
break;
|
|
}
|
|
mutex_unlock(&bank->deferred_lock);
|
|
|
|
rc = gpio->direction_output(gpio, pin - bank->pin_base,
|
|
arg);
|
|
if (rc)
|
|
return rc;
|
|
break;
|
|
case PIN_CONFIG_DRIVE_STRENGTH:
|
|
/* rk3288 is the first with per-pin drive-strength */
|
|
if (!info->ctrl->drv_calc_reg)
|
|
return -ENOTSUPP;
|
|
|
|
rc = rockchip_set_drive_perpin(bank,
|
|
pin - bank->pin_base, arg);
|
|
if (rc < 0)
|
|
return rc;
|
|
break;
|
|
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
|
|
if (!info->ctrl->schmitt_calc_reg)
|
|
return -ENOTSUPP;
|
|
|
|
rc = rockchip_set_schmitt(bank,
|
|
pin - bank->pin_base, arg);
|
|
if (rc < 0)
|
|
return rc;
|
|
break;
|
|
default:
|
|
return -ENOTSUPP;
|
|
break;
|
|
}
|
|
} /* for each config */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* get the pin config settings for a specified pin */
|
|
static int rockchip_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
|
|
unsigned long *config)
|
|
{
|
|
struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
|
|
struct rockchip_pin_bank *bank = pin_to_bank(info, pin);
|
|
struct gpio_chip *gpio = &bank->gpio_chip;
|
|
enum pin_config_param param = pinconf_to_config_param(*config);
|
|
u16 arg;
|
|
int rc;
|
|
|
|
switch (param) {
|
|
case PIN_CONFIG_BIAS_DISABLE:
|
|
if (rockchip_get_pull(bank, pin - bank->pin_base) != param)
|
|
return -EINVAL;
|
|
|
|
arg = 0;
|
|
break;
|
|
case PIN_CONFIG_BIAS_PULL_UP:
|
|
case PIN_CONFIG_BIAS_PULL_DOWN:
|
|
case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
|
|
case PIN_CONFIG_BIAS_BUS_HOLD:
|
|
if (!rockchip_pinconf_pull_valid(info->ctrl, param))
|
|
return -ENOTSUPP;
|
|
|
|
if (rockchip_get_pull(bank, pin - bank->pin_base) != param)
|
|
return -EINVAL;
|
|
|
|
arg = 1;
|
|
break;
|
|
case PIN_CONFIG_OUTPUT:
|
|
rc = rockchip_get_mux(bank, pin - bank->pin_base);
|
|
if (rc != RK_FUNC_GPIO)
|
|
return -EINVAL;
|
|
|
|
if (!gpio || !gpio->get) {
|
|
arg = 0;
|
|
break;
|
|
}
|
|
|
|
rc = gpio->get(gpio, pin - bank->pin_base);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
arg = rc ? 1 : 0;
|
|
break;
|
|
case PIN_CONFIG_DRIVE_STRENGTH:
|
|
/* rk3288 is the first with per-pin drive-strength */
|
|
if (!info->ctrl->drv_calc_reg)
|
|
return -ENOTSUPP;
|
|
|
|
rc = rockchip_get_drive_perpin(bank, pin - bank->pin_base);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
arg = rc;
|
|
break;
|
|
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
|
|
if (!info->ctrl->schmitt_calc_reg)
|
|
return -ENOTSUPP;
|
|
|
|
rc = rockchip_get_schmitt(bank, pin - bank->pin_base);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
arg = rc;
|
|
break;
|
|
default:
|
|
return -ENOTSUPP;
|
|
break;
|
|
}
|
|
|
|
*config = pinconf_to_config_packed(param, arg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct pinconf_ops rockchip_pinconf_ops = {
|
|
.pin_config_get = rockchip_pinconf_get,
|
|
.pin_config_set = rockchip_pinconf_set,
|
|
.is_generic = true,
|
|
};
|
|
|
|
static const struct of_device_id rockchip_bank_match[] = {
|
|
{ .compatible = "rockchip,gpio-bank" },
|
|
{ .compatible = "rockchip,rk3188-gpio-bank0" },
|
|
{},
|
|
};
|
|
|
|
static void rockchip_pinctrl_child_count(struct rockchip_pinctrl *info,
|
|
struct device_node *np)
|
|
{
|
|
struct device_node *child;
|
|
|
|
for_each_child_of_node(np, child) {
|
|
if (of_match_node(rockchip_bank_match, child))
|
|
continue;
|
|
|
|
info->nfunctions++;
|
|
info->ngroups += of_get_child_count(child);
|
|
}
|
|
}
|
|
|
|
static int rockchip_pinctrl_parse_groups(struct device_node *np,
|
|
struct rockchip_pin_group *grp,
|
|
struct rockchip_pinctrl *info,
|
|
u32 index)
|
|
{
|
|
struct device *dev = info->dev;
|
|
struct rockchip_pin_bank *bank;
|
|
int size;
|
|
const __be32 *list;
|
|
int num;
|
|
int i, j;
|
|
int ret;
|
|
|
|
dev_dbg(dev, "group(%d): %pOFn\n", index, np);
|
|
|
|
/* Initialise group */
|
|
grp->name = np->name;
|
|
|
|
/*
|
|
* the binding format is rockchip,pins = <bank pin mux CONFIG>,
|
|
* do sanity check and calculate pins number
|
|
*/
|
|
list = of_get_property(np, "rockchip,pins", &size);
|
|
/* we do not check return since it's safe node passed down */
|
|
size /= sizeof(*list);
|
|
if (!size || size % 4)
|
|
return dev_err_probe(dev, -EINVAL, "wrong pins number or pins and configs should be by 4\n");
|
|
|
|
grp->npins = size / 4;
|
|
|
|
grp->pins = devm_kcalloc(dev, grp->npins, sizeof(*grp->pins), GFP_KERNEL);
|
|
grp->data = devm_kcalloc(dev, grp->npins, sizeof(*grp->data), GFP_KERNEL);
|
|
if (!grp->pins || !grp->data)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0, j = 0; i < size; i += 4, j++) {
|
|
const __be32 *phandle;
|
|
struct device_node *np_config;
|
|
|
|
num = be32_to_cpu(*list++);
|
|
bank = bank_num_to_bank(info, num);
|
|
if (IS_ERR(bank))
|
|
return PTR_ERR(bank);
|
|
|
|
grp->pins[j] = bank->pin_base + be32_to_cpu(*list++);
|
|
grp->data[j].func = be32_to_cpu(*list++);
|
|
|
|
phandle = list++;
|
|
if (!phandle)
|
|
return -EINVAL;
|
|
|
|
np_config = of_find_node_by_phandle(be32_to_cpup(phandle));
|
|
ret = pinconf_generic_parse_dt_config(np_config, NULL,
|
|
&grp->data[j].configs, &grp->data[j].nconfigs);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rockchip_pinctrl_parse_functions(struct device_node *np,
|
|
struct rockchip_pinctrl *info,
|
|
u32 index)
|
|
{
|
|
struct device *dev = info->dev;
|
|
struct device_node *child;
|
|
struct rockchip_pmx_func *func;
|
|
struct rockchip_pin_group *grp;
|
|
int ret;
|
|
static u32 grp_index;
|
|
u32 i = 0;
|
|
|
|
dev_dbg(dev, "parse function(%d): %pOFn\n", index, np);
|
|
|
|
func = &info->functions[index];
|
|
|
|
/* Initialise function */
|
|
func->name = np->name;
|
|
func->ngroups = of_get_child_count(np);
|
|
if (func->ngroups <= 0)
|
|
return 0;
|
|
|
|
func->groups = devm_kcalloc(dev, func->ngroups, sizeof(*func->groups), GFP_KERNEL);
|
|
if (!func->groups)
|
|
return -ENOMEM;
|
|
|
|
for_each_child_of_node(np, child) {
|
|
func->groups[i] = child->name;
|
|
grp = &info->groups[grp_index++];
|
|
ret = rockchip_pinctrl_parse_groups(child, grp, info, i++);
|
|
if (ret) {
|
|
of_node_put(child);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rockchip_pinctrl_parse_dt(struct platform_device *pdev,
|
|
struct rockchip_pinctrl *info)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *np = dev->of_node;
|
|
struct device_node *child;
|
|
int ret;
|
|
int i;
|
|
|
|
rockchip_pinctrl_child_count(info, np);
|
|
|
|
dev_dbg(dev, "nfunctions = %d\n", info->nfunctions);
|
|
dev_dbg(dev, "ngroups = %d\n", info->ngroups);
|
|
|
|
info->functions = devm_kcalloc(dev, info->nfunctions, sizeof(*info->functions), GFP_KERNEL);
|
|
if (!info->functions)
|
|
return -ENOMEM;
|
|
|
|
info->groups = devm_kcalloc(dev, info->ngroups, sizeof(*info->groups), GFP_KERNEL);
|
|
if (!info->groups)
|
|
return -ENOMEM;
|
|
|
|
i = 0;
|
|
|
|
for_each_child_of_node(np, child) {
|
|
if (of_match_node(rockchip_bank_match, child))
|
|
continue;
|
|
|
|
ret = rockchip_pinctrl_parse_functions(child, info, i++);
|
|
if (ret) {
|
|
dev_err(dev, "failed to parse function\n");
|
|
of_node_put(child);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rockchip_pinctrl_register(struct platform_device *pdev,
|
|
struct rockchip_pinctrl *info)
|
|
{
|
|
struct pinctrl_desc *ctrldesc = &info->pctl;
|
|
struct pinctrl_pin_desc *pindesc, *pdesc;
|
|
struct rockchip_pin_bank *pin_bank;
|
|
struct device *dev = &pdev->dev;
|
|
char **pin_names;
|
|
int pin, bank, ret;
|
|
int k;
|
|
|
|
ctrldesc->name = "rockchip-pinctrl";
|
|
ctrldesc->owner = THIS_MODULE;
|
|
ctrldesc->pctlops = &rockchip_pctrl_ops;
|
|
ctrldesc->pmxops = &rockchip_pmx_ops;
|
|
ctrldesc->confops = &rockchip_pinconf_ops;
|
|
|
|
pindesc = devm_kcalloc(dev, info->ctrl->nr_pins, sizeof(*pindesc), GFP_KERNEL);
|
|
if (!pindesc)
|
|
return -ENOMEM;
|
|
|
|
ctrldesc->pins = pindesc;
|
|
ctrldesc->npins = info->ctrl->nr_pins;
|
|
|
|
pdesc = pindesc;
|
|
for (bank = 0, k = 0; bank < info->ctrl->nr_banks; bank++) {
|
|
pin_bank = &info->ctrl->pin_banks[bank];
|
|
|
|
pin_names = devm_kasprintf_strarray(dev, pin_bank->name, pin_bank->nr_pins);
|
|
if (IS_ERR(pin_names))
|
|
return PTR_ERR(pin_names);
|
|
|
|
for (pin = 0; pin < pin_bank->nr_pins; pin++, k++) {
|
|
pdesc->number = k;
|
|
pdesc->name = pin_names[pin];
|
|
pdesc++;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&pin_bank->deferred_output);
|
|
mutex_init(&pin_bank->deferred_lock);
|
|
}
|
|
|
|
ret = rockchip_pinctrl_parse_dt(pdev, info);
|
|
if (ret)
|
|
return ret;
|
|
|
|
info->pctl_dev = devm_pinctrl_register(dev, ctrldesc, info);
|
|
if (IS_ERR(info->pctl_dev))
|
|
return dev_err_probe(dev, PTR_ERR(info->pctl_dev), "could not register pinctrl driver\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id rockchip_pinctrl_dt_match[];
|
|
|
|
/* retrieve the soc specific data */
|
|
static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data(
|
|
struct rockchip_pinctrl *d,
|
|
struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *node = dev->of_node;
|
|
const struct of_device_id *match;
|
|
struct rockchip_pin_ctrl *ctrl;
|
|
struct rockchip_pin_bank *bank;
|
|
int grf_offs, pmu_offs, drv_grf_offs, drv_pmu_offs, i, j;
|
|
|
|
match = of_match_node(rockchip_pinctrl_dt_match, node);
|
|
ctrl = (struct rockchip_pin_ctrl *)match->data;
|
|
|
|
grf_offs = ctrl->grf_mux_offset;
|
|
pmu_offs = ctrl->pmu_mux_offset;
|
|
drv_pmu_offs = ctrl->pmu_drv_offset;
|
|
drv_grf_offs = ctrl->grf_drv_offset;
|
|
bank = ctrl->pin_banks;
|
|
for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
|
|
int bank_pins = 0;
|
|
|
|
raw_spin_lock_init(&bank->slock);
|
|
bank->drvdata = d;
|
|
bank->pin_base = ctrl->nr_pins;
|
|
ctrl->nr_pins += bank->nr_pins;
|
|
|
|
/* calculate iomux and drv offsets */
|
|
for (j = 0; j < 4; j++) {
|
|
struct rockchip_iomux *iom = &bank->iomux[j];
|
|
struct rockchip_drv *drv = &bank->drv[j];
|
|
int inc;
|
|
|
|
if (bank_pins >= bank->nr_pins)
|
|
break;
|
|
|
|
/* preset iomux offset value, set new start value */
|
|
if (iom->offset >= 0) {
|
|
if (iom->type & IOMUX_SOURCE_PMU)
|
|
pmu_offs = iom->offset;
|
|
else
|
|
grf_offs = iom->offset;
|
|
} else { /* set current iomux offset */
|
|
iom->offset = (iom->type & IOMUX_SOURCE_PMU) ?
|
|
pmu_offs : grf_offs;
|
|
}
|
|
|
|
/* preset drv offset value, set new start value */
|
|
if (drv->offset >= 0) {
|
|
if (iom->type & IOMUX_SOURCE_PMU)
|
|
drv_pmu_offs = drv->offset;
|
|
else
|
|
drv_grf_offs = drv->offset;
|
|
} else { /* set current drv offset */
|
|
drv->offset = (iom->type & IOMUX_SOURCE_PMU) ?
|
|
drv_pmu_offs : drv_grf_offs;
|
|
}
|
|
|
|
dev_dbg(dev, "bank %d, iomux %d has iom_offset 0x%x drv_offset 0x%x\n",
|
|
i, j, iom->offset, drv->offset);
|
|
|
|
/*
|
|
* Increase offset according to iomux width.
|
|
* 4bit iomux'es are spread over two registers.
|
|
*/
|
|
inc = (iom->type & (IOMUX_WIDTH_4BIT |
|
|
IOMUX_WIDTH_3BIT |
|
|
IOMUX_WIDTH_2BIT)) ? 8 : 4;
|
|
if (iom->type & IOMUX_SOURCE_PMU)
|
|
pmu_offs += inc;
|
|
else
|
|
grf_offs += inc;
|
|
|
|
/*
|
|
* Increase offset according to drv width.
|
|
* 3bit drive-strenth'es are spread over two registers.
|
|
*/
|
|
if ((drv->drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) ||
|
|
(drv->drv_type == DRV_TYPE_IO_3V3_ONLY))
|
|
inc = 8;
|
|
else
|
|
inc = 4;
|
|
|
|
if (iom->type & IOMUX_SOURCE_PMU)
|
|
drv_pmu_offs += inc;
|
|
else
|
|
drv_grf_offs += inc;
|
|
|
|
bank_pins += 8;
|
|
}
|
|
|
|
/* calculate the per-bank recalced_mask */
|
|
for (j = 0; j < ctrl->niomux_recalced; j++) {
|
|
int pin = 0;
|
|
|
|
if (ctrl->iomux_recalced[j].num == bank->bank_num) {
|
|
pin = ctrl->iomux_recalced[j].pin;
|
|
bank->recalced_mask |= BIT(pin);
|
|
}
|
|
}
|
|
|
|
/* calculate the per-bank route_mask */
|
|
for (j = 0; j < ctrl->niomux_routes; j++) {
|
|
int pin = 0;
|
|
|
|
if (ctrl->iomux_routes[j].bank_num == bank->bank_num) {
|
|
pin = ctrl->iomux_routes[j].pin;
|
|
bank->route_mask |= BIT(pin);
|
|
}
|
|
}
|
|
}
|
|
|
|
return ctrl;
|
|
}
|
|
|
|
#define RK3288_GRF_GPIO6C_IOMUX 0x64
|
|
#define GPIO6C6_SEL_WRITE_ENABLE BIT(28)
|
|
|
|
static u32 rk3288_grf_gpio6c_iomux;
|
|
|
|
static int __maybe_unused rockchip_pinctrl_suspend(struct device *dev)
|
|
{
|
|
struct rockchip_pinctrl *info = dev_get_drvdata(dev);
|
|
int ret = pinctrl_force_sleep(info->pctl_dev);
|
|
|
|
if (ret)
|
|
return ret;
|
|
|
|
/*
|
|
* RK3288 GPIO6_C6 mux would be modified by Maskrom when resume, so save
|
|
* the setting here, and restore it at resume.
|
|
*/
|
|
if (info->ctrl->type == RK3288) {
|
|
ret = regmap_read(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
|
|
&rk3288_grf_gpio6c_iomux);
|
|
if (ret) {
|
|
pinctrl_force_default(info->pctl_dev);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused rockchip_pinctrl_resume(struct device *dev)
|
|
{
|
|
struct rockchip_pinctrl *info = dev_get_drvdata(dev);
|
|
int ret;
|
|
|
|
if (info->ctrl->type == RK3288) {
|
|
ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
|
|
rk3288_grf_gpio6c_iomux |
|
|
GPIO6C6_SEL_WRITE_ENABLE);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return pinctrl_force_default(info->pctl_dev);
|
|
}
|
|
|
|
static SIMPLE_DEV_PM_OPS(rockchip_pinctrl_dev_pm_ops, rockchip_pinctrl_suspend,
|
|
rockchip_pinctrl_resume);
|
|
|
|
static int rockchip_pinctrl_probe(struct platform_device *pdev)
|
|
{
|
|
struct rockchip_pinctrl *info;
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *np = dev->of_node, *node;
|
|
struct rockchip_pin_ctrl *ctrl;
|
|
struct resource *res;
|
|
void __iomem *base;
|
|
int ret;
|
|
|
|
if (!dev->of_node)
|
|
return dev_err_probe(dev, -ENODEV, "device tree node not found\n");
|
|
|
|
info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
|
|
if (!info)
|
|
return -ENOMEM;
|
|
|
|
info->dev = dev;
|
|
|
|
ctrl = rockchip_pinctrl_get_soc_data(info, pdev);
|
|
if (!ctrl)
|
|
return dev_err_probe(dev, -EINVAL, "driver data not available\n");
|
|
info->ctrl = ctrl;
|
|
|
|
node = of_parse_phandle(np, "rockchip,grf", 0);
|
|
if (node) {
|
|
info->regmap_base = syscon_node_to_regmap(node);
|
|
of_node_put(node);
|
|
if (IS_ERR(info->regmap_base))
|
|
return PTR_ERR(info->regmap_base);
|
|
} else {
|
|
base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
|
|
if (IS_ERR(base))
|
|
return PTR_ERR(base);
|
|
|
|
rockchip_regmap_config.max_register = resource_size(res) - 4;
|
|
rockchip_regmap_config.name = "rockchip,pinctrl";
|
|
info->regmap_base =
|
|
devm_regmap_init_mmio(dev, base, &rockchip_regmap_config);
|
|
|
|
/* to check for the old dt-bindings */
|
|
info->reg_size = resource_size(res);
|
|
|
|
/* Honor the old binding, with pull registers as 2nd resource */
|
|
if (ctrl->type == RK3188 && info->reg_size < 0x200) {
|
|
base = devm_platform_get_and_ioremap_resource(pdev, 1, &res);
|
|
if (IS_ERR(base))
|
|
return PTR_ERR(base);
|
|
|
|
rockchip_regmap_config.max_register = resource_size(res) - 4;
|
|
rockchip_regmap_config.name = "rockchip,pinctrl-pull";
|
|
info->regmap_pull =
|
|
devm_regmap_init_mmio(dev, base, &rockchip_regmap_config);
|
|
}
|
|
}
|
|
|
|
/* try to find the optional reference to the pmu syscon */
|
|
node = of_parse_phandle(np, "rockchip,pmu", 0);
|
|
if (node) {
|
|
info->regmap_pmu = syscon_node_to_regmap(node);
|
|
of_node_put(node);
|
|
if (IS_ERR(info->regmap_pmu))
|
|
return PTR_ERR(info->regmap_pmu);
|
|
}
|
|
|
|
ret = rockchip_pinctrl_register(pdev, info);
|
|
if (ret)
|
|
return ret;
|
|
|
|
platform_set_drvdata(pdev, info);
|
|
|
|
ret = of_platform_populate(np, NULL, NULL, &pdev->dev);
|
|
if (ret)
|
|
return dev_err_probe(dev, ret, "failed to register gpio device\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rockchip_pinctrl_remove(struct platform_device *pdev)
|
|
{
|
|
struct rockchip_pinctrl *info = platform_get_drvdata(pdev);
|
|
struct rockchip_pin_bank *bank;
|
|
struct rockchip_pin_output_deferred *cfg;
|
|
int i;
|
|
|
|
of_platform_depopulate(&pdev->dev);
|
|
|
|
for (i = 0; i < info->ctrl->nr_banks; i++) {
|
|
bank = &info->ctrl->pin_banks[i];
|
|
|
|
mutex_lock(&bank->deferred_lock);
|
|
while (!list_empty(&bank->deferred_output)) {
|
|
cfg = list_first_entry(&bank->deferred_output,
|
|
struct rockchip_pin_output_deferred, head);
|
|
list_del(&cfg->head);
|
|
kfree(cfg);
|
|
}
|
|
mutex_unlock(&bank->deferred_lock);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct rockchip_pin_bank px30_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU
|
|
),
|
|
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT
|
|
),
|
|
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT
|
|
),
|
|
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT
|
|
),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl px30_pin_ctrl = {
|
|
.pin_banks = px30_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(px30_pin_banks),
|
|
.label = "PX30-GPIO",
|
|
.type = PX30,
|
|
.grf_mux_offset = 0x0,
|
|
.pmu_mux_offset = 0x0,
|
|
.iomux_routes = px30_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(px30_mux_route_data),
|
|
.pull_calc_reg = px30_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = px30_calc_drv_reg_and_bit,
|
|
.schmitt_calc_reg = px30_calc_schmitt_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rv1108_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU),
|
|
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
|
|
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0),
|
|
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rv1108_pin_ctrl = {
|
|
.pin_banks = rv1108_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rv1108_pin_banks),
|
|
.label = "RV1108-GPIO",
|
|
.type = RV1108,
|
|
.grf_mux_offset = 0x10,
|
|
.pmu_mux_offset = 0x0,
|
|
.iomux_recalced = rv1108_mux_recalced_data,
|
|
.niomux_recalced = ARRAY_SIZE(rv1108_mux_recalced_data),
|
|
.pull_calc_reg = rv1108_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rv1108_calc_drv_reg_and_bit,
|
|
.schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk2928_pin_banks[] = {
|
|
PIN_BANK(0, 32, "gpio0"),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
PIN_BANK(3, 32, "gpio3"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk2928_pin_ctrl = {
|
|
.pin_banks = rk2928_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk2928_pin_banks),
|
|
.label = "RK2928-GPIO",
|
|
.type = RK2928,
|
|
.grf_mux_offset = 0xa8,
|
|
.pull_calc_reg = rk2928_calc_pull_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3036_pin_banks[] = {
|
|
PIN_BANK(0, 32, "gpio0"),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3036_pin_ctrl = {
|
|
.pin_banks = rk3036_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3036_pin_banks),
|
|
.label = "RK3036-GPIO",
|
|
.type = RK2928,
|
|
.grf_mux_offset = 0xa8,
|
|
.pull_calc_reg = rk2928_calc_pull_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3066a_pin_banks[] = {
|
|
PIN_BANK(0, 32, "gpio0"),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
PIN_BANK(3, 32, "gpio3"),
|
|
PIN_BANK(4, 32, "gpio4"),
|
|
PIN_BANK(6, 16, "gpio6"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3066a_pin_ctrl = {
|
|
.pin_banks = rk3066a_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3066a_pin_banks),
|
|
.label = "RK3066a-GPIO",
|
|
.type = RK2928,
|
|
.grf_mux_offset = 0xa8,
|
|
.pull_calc_reg = rk2928_calc_pull_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3066b_pin_banks[] = {
|
|
PIN_BANK(0, 32, "gpio0"),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
PIN_BANK(3, 32, "gpio3"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3066b_pin_ctrl = {
|
|
.pin_banks = rk3066b_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3066b_pin_banks),
|
|
.label = "RK3066b-GPIO",
|
|
.type = RK3066B,
|
|
.grf_mux_offset = 0x60,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3128_pin_banks[] = {
|
|
PIN_BANK(0, 32, "gpio0"),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
PIN_BANK(3, 32, "gpio3"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3128_pin_ctrl = {
|
|
.pin_banks = rk3128_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3128_pin_banks),
|
|
.label = "RK3128-GPIO",
|
|
.type = RK3128,
|
|
.grf_mux_offset = 0xa8,
|
|
.iomux_recalced = rk3128_mux_recalced_data,
|
|
.niomux_recalced = ARRAY_SIZE(rk3128_mux_recalced_data),
|
|
.iomux_routes = rk3128_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3128_mux_route_data),
|
|
.pull_calc_reg = rk3128_calc_pull_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3188_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_GPIO_ONLY, 0, 0, 0),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
PIN_BANK(3, 32, "gpio3"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3188_pin_ctrl = {
|
|
.pin_banks = rk3188_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3188_pin_banks),
|
|
.label = "RK3188-GPIO",
|
|
.type = RK3188,
|
|
.grf_mux_offset = 0x60,
|
|
.iomux_routes = rk3188_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3188_mux_route_data),
|
|
.pull_calc_reg = rk3188_calc_pull_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3228_pin_banks[] = {
|
|
PIN_BANK(0, 32, "gpio0"),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
PIN_BANK(3, 32, "gpio3"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3228_pin_ctrl = {
|
|
.pin_banks = rk3228_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3228_pin_banks),
|
|
.label = "RK3228-GPIO",
|
|
.type = RK3288,
|
|
.grf_mux_offset = 0x0,
|
|
.iomux_routes = rk3228_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3228_mux_route_data),
|
|
.pull_calc_reg = rk3228_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rk3228_calc_drv_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3288_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 24, "gpio0", IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_UNROUTED
|
|
),
|
|
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_UNROUTED,
|
|
IOMUX_UNROUTED,
|
|
IOMUX_UNROUTED,
|
|
0
|
|
),
|
|
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, IOMUX_UNROUTED),
|
|
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, IOMUX_WIDTH_4BIT),
|
|
PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
0,
|
|
0
|
|
),
|
|
PIN_BANK_IOMUX_FLAGS(5, 32, "gpio5", IOMUX_UNROUTED,
|
|
0,
|
|
0,
|
|
IOMUX_UNROUTED
|
|
),
|
|
PIN_BANK_IOMUX_FLAGS(6, 32, "gpio6", 0, 0, 0, IOMUX_UNROUTED),
|
|
PIN_BANK_IOMUX_FLAGS(7, 32, "gpio7", 0,
|
|
0,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_UNROUTED
|
|
),
|
|
PIN_BANK(8, 16, "gpio8"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3288_pin_ctrl = {
|
|
.pin_banks = rk3288_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3288_pin_banks),
|
|
.label = "RK3288-GPIO",
|
|
.type = RK3288,
|
|
.grf_mux_offset = 0x0,
|
|
.pmu_mux_offset = 0x84,
|
|
.iomux_routes = rk3288_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3288_mux_route_data),
|
|
.pull_calc_reg = rk3288_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rk3288_calc_drv_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3308_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT),
|
|
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT),
|
|
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT),
|
|
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT),
|
|
PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT,
|
|
IOMUX_WIDTH_2BIT),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3308_pin_ctrl = {
|
|
.pin_banks = rk3308_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3308_pin_banks),
|
|
.label = "RK3308-GPIO",
|
|
.type = RK3308,
|
|
.grf_mux_offset = 0x0,
|
|
.iomux_recalced = rk3308_mux_recalced_data,
|
|
.niomux_recalced = ARRAY_SIZE(rk3308_mux_recalced_data),
|
|
.iomux_routes = rk3308_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3308_mux_route_data),
|
|
.pull_calc_reg = rk3308_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rk3308_calc_drv_reg_and_bit,
|
|
.schmitt_calc_reg = rk3308_calc_schmitt_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3328_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0),
|
|
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
|
|
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0,
|
|
IOMUX_WIDTH_3BIT,
|
|
IOMUX_WIDTH_3BIT,
|
|
0),
|
|
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
|
|
IOMUX_WIDTH_3BIT,
|
|
IOMUX_WIDTH_3BIT,
|
|
0,
|
|
0),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3328_pin_ctrl = {
|
|
.pin_banks = rk3328_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3328_pin_banks),
|
|
.label = "RK3328-GPIO",
|
|
.type = RK3288,
|
|
.grf_mux_offset = 0x0,
|
|
.iomux_recalced = rk3328_mux_recalced_data,
|
|
.niomux_recalced = ARRAY_SIZE(rk3328_mux_recalced_data),
|
|
.iomux_routes = rk3328_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3328_mux_route_data),
|
|
.pull_calc_reg = rk3228_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rk3228_calc_drv_reg_and_bit,
|
|
.schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3368_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU
|
|
),
|
|
PIN_BANK(1, 32, "gpio1"),
|
|
PIN_BANK(2, 32, "gpio2"),
|
|
PIN_BANK(3, 32, "gpio3"),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3368_pin_ctrl = {
|
|
.pin_banks = rk3368_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3368_pin_banks),
|
|
.label = "RK3368-GPIO",
|
|
.type = RK3368,
|
|
.grf_mux_offset = 0x0,
|
|
.pmu_mux_offset = 0x0,
|
|
.pull_calc_reg = rk3368_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rk3368_calc_drv_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3399_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(0, 32, "gpio0",
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
DRV_TYPE_IO_1V8_ONLY,
|
|
DRV_TYPE_IO_1V8_ONLY,
|
|
DRV_TYPE_IO_DEFAULT,
|
|
DRV_TYPE_IO_DEFAULT,
|
|
0x80,
|
|
0x88,
|
|
-1,
|
|
-1,
|
|
PULL_TYPE_IO_1V8_ONLY,
|
|
PULL_TYPE_IO_1V8_ONLY,
|
|
PULL_TYPE_IO_DEFAULT,
|
|
PULL_TYPE_IO_DEFAULT
|
|
),
|
|
PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(1, 32, "gpio1", IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
IOMUX_SOURCE_PMU,
|
|
DRV_TYPE_IO_1V8_OR_3V0,
|
|
DRV_TYPE_IO_1V8_OR_3V0,
|
|
DRV_TYPE_IO_1V8_OR_3V0,
|
|
DRV_TYPE_IO_1V8_OR_3V0,
|
|
0xa0,
|
|
0xa8,
|
|
0xb0,
|
|
0xb8
|
|
),
|
|
PIN_BANK_DRV_FLAGS_PULL_FLAGS(2, 32, "gpio2", DRV_TYPE_IO_1V8_OR_3V0,
|
|
DRV_TYPE_IO_1V8_OR_3V0,
|
|
DRV_TYPE_IO_1V8_ONLY,
|
|
DRV_TYPE_IO_1V8_ONLY,
|
|
PULL_TYPE_IO_DEFAULT,
|
|
PULL_TYPE_IO_DEFAULT,
|
|
PULL_TYPE_IO_1V8_ONLY,
|
|
PULL_TYPE_IO_1V8_ONLY
|
|
),
|
|
PIN_BANK_DRV_FLAGS(3, 32, "gpio3", DRV_TYPE_IO_3V3_ONLY,
|
|
DRV_TYPE_IO_3V3_ONLY,
|
|
DRV_TYPE_IO_3V3_ONLY,
|
|
DRV_TYPE_IO_1V8_OR_3V0
|
|
),
|
|
PIN_BANK_DRV_FLAGS(4, 32, "gpio4", DRV_TYPE_IO_1V8_OR_3V0,
|
|
DRV_TYPE_IO_1V8_3V0_AUTO,
|
|
DRV_TYPE_IO_1V8_OR_3V0,
|
|
DRV_TYPE_IO_1V8_OR_3V0
|
|
),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
|
|
.pin_banks = rk3399_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3399_pin_banks),
|
|
.label = "RK3399-GPIO",
|
|
.type = RK3399,
|
|
.grf_mux_offset = 0xe000,
|
|
.pmu_mux_offset = 0x0,
|
|
.grf_drv_offset = 0xe100,
|
|
.pmu_drv_offset = 0x80,
|
|
.iomux_routes = rk3399_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3399_mux_route_data),
|
|
.pull_calc_reg = rk3399_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rk3399_calc_drv_reg_and_bit,
|
|
};
|
|
|
|
static struct rockchip_pin_bank rk3568_pin_banks[] = {
|
|
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
|
|
IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
|
|
IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
|
|
IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT),
|
|
PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT),
|
|
PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT),
|
|
PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT),
|
|
PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT,
|
|
IOMUX_WIDTH_4BIT),
|
|
};
|
|
|
|
static struct rockchip_pin_ctrl rk3568_pin_ctrl = {
|
|
.pin_banks = rk3568_pin_banks,
|
|
.nr_banks = ARRAY_SIZE(rk3568_pin_banks),
|
|
.label = "RK3568-GPIO",
|
|
.type = RK3568,
|
|
.grf_mux_offset = 0x0,
|
|
.pmu_mux_offset = 0x0,
|
|
.grf_drv_offset = 0x0200,
|
|
.pmu_drv_offset = 0x0070,
|
|
.iomux_routes = rk3568_mux_route_data,
|
|
.niomux_routes = ARRAY_SIZE(rk3568_mux_route_data),
|
|
.pull_calc_reg = rk3568_calc_pull_reg_and_bit,
|
|
.drv_calc_reg = rk3568_calc_drv_reg_and_bit,
|
|
.schmitt_calc_reg = rk3568_calc_schmitt_reg_and_bit,
|
|
};
|
|
|
|
static const struct of_device_id rockchip_pinctrl_dt_match[] = {
|
|
{ .compatible = "rockchip,px30-pinctrl",
|
|
.data = &px30_pin_ctrl },
|
|
{ .compatible = "rockchip,rv1108-pinctrl",
|
|
.data = &rv1108_pin_ctrl },
|
|
{ .compatible = "rockchip,rk2928-pinctrl",
|
|
.data = &rk2928_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3036-pinctrl",
|
|
.data = &rk3036_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3066a-pinctrl",
|
|
.data = &rk3066a_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3066b-pinctrl",
|
|
.data = &rk3066b_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3128-pinctrl",
|
|
.data = (void *)&rk3128_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3188-pinctrl",
|
|
.data = &rk3188_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3228-pinctrl",
|
|
.data = &rk3228_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3288-pinctrl",
|
|
.data = &rk3288_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3308-pinctrl",
|
|
.data = &rk3308_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3328-pinctrl",
|
|
.data = &rk3328_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3368-pinctrl",
|
|
.data = &rk3368_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3399-pinctrl",
|
|
.data = &rk3399_pin_ctrl },
|
|
{ .compatible = "rockchip,rk3568-pinctrl",
|
|
.data = &rk3568_pin_ctrl },
|
|
{},
|
|
};
|
|
|
|
static struct platform_driver rockchip_pinctrl_driver = {
|
|
.probe = rockchip_pinctrl_probe,
|
|
.remove = rockchip_pinctrl_remove,
|
|
.driver = {
|
|
.name = "rockchip-pinctrl",
|
|
.pm = &rockchip_pinctrl_dev_pm_ops,
|
|
.of_match_table = rockchip_pinctrl_dt_match,
|
|
},
|
|
};
|
|
|
|
static int __init rockchip_pinctrl_drv_register(void)
|
|
{
|
|
return platform_driver_register(&rockchip_pinctrl_driver);
|
|
}
|
|
postcore_initcall(rockchip_pinctrl_drv_register);
|
|
|
|
static void __exit rockchip_pinctrl_drv_unregister(void)
|
|
{
|
|
platform_driver_unregister(&rockchip_pinctrl_driver);
|
|
}
|
|
module_exit(rockchip_pinctrl_drv_unregister);
|
|
|
|
MODULE_DESCRIPTION("ROCKCHIP Pin Controller Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:pinctrl-rockchip");
|
|
MODULE_DEVICE_TABLE(of, rockchip_pinctrl_dt_match);
|