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9bec2b9c61
Currently, unbinding a CCU driver unmaps the device's MMIO region, while leaving its clocks/resets and their providers registered. This can cause a page fault later when some clock operation tries to perform MMIO. Fix this by separating the CCU initialization from the memory allocation, and then using a devres callback to unregister the clocks and resets. This also fixes a memory leak of the `struct ccu_reset`, and uses the correct owner (the specific platform driver) for the clocks and resets. Early OF clock providers are never unregistered, and limited error handling is possible, so they are mostly unchanged. The error reporting is made more consistent by moving the message inside of_sunxi_ccu_probe. Signed-off-by: Samuel Holland <samuel@sholland.org> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20210901050526.45673-2-samuel@sholland.org
818 lines
26 KiB
C
818 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2016 Maxime Ripard. All rights reserved.
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*/
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#include <linux/clk-provider.h>
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#include <linux/io.h>
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#include <linux/of_address.h>
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#include "ccu_common.h"
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#include "ccu_reset.h"
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#include "ccu_div.h"
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#include "ccu_gate.h"
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#include "ccu_mp.h"
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#include "ccu_mult.h"
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#include "ccu_nk.h"
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#include "ccu_nkm.h"
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#include "ccu_nkmp.h"
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#include "ccu_nm.h"
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#include "ccu_phase.h"
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#include "ccu-sun8i-a23-a33.h"
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static struct ccu_nkmp pll_cpux_clk = {
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.enable = BIT(31),
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.lock = BIT(28),
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.n = _SUNXI_CCU_MULT(8, 5),
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.k = _SUNXI_CCU_MULT(4, 2),
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.m = _SUNXI_CCU_DIV(0, 2),
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.p = _SUNXI_CCU_DIV_MAX(16, 2, 4),
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.common = {
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.reg = 0x000,
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.hw.init = CLK_HW_INIT("pll-cpux", "osc24M",
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&ccu_nkmp_ops,
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0),
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},
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};
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/*
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* The Audio PLL is supposed to have 4 outputs: 3 fixed factors from
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* the base (2x, 4x and 8x), and one variable divider (the one true
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* pll audio).
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*
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* With sigma-delta modulation for fractional-N on the audio PLL,
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* we have to use specific dividers. This means the variable divider
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* can no longer be used, as the audio codec requests the exact clock
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* rates we support through this mechanism. So we now hard code the
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* variable divider to 1. This means the clock rates will no longer
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* match the clock names.
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*/
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#define SUN8I_A33_PLL_AUDIO_REG 0x008
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static struct ccu_sdm_setting pll_audio_sdm_table[] = {
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{ .rate = 22579200, .pattern = 0xc0010d84, .m = 8, .n = 7 },
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{ .rate = 24576000, .pattern = 0xc000ac02, .m = 14, .n = 14 },
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};
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static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
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"osc24M", 0x008,
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8, 7, /* N */
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0, 5, /* M */
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pll_audio_sdm_table, BIT(24),
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0x284, BIT(31),
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BIT(31), /* gate */
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BIT(28), /* lock */
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CLK_SET_RATE_UNGATE);
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static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video",
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"osc24M", 0x010,
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8, 7, /* N */
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0, 4, /* M */
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BIT(24), /* frac enable */
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BIT(25), /* frac select */
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270000000, /* frac rate 0 */
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297000000, /* frac rate 1 */
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BIT(31), /* gate */
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BIT(28), /* lock */
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CLK_SET_RATE_UNGATE);
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static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
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"osc24M", 0x018,
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8, 7, /* N */
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0, 4, /* M */
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BIT(24), /* frac enable */
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BIT(25), /* frac select */
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270000000, /* frac rate 0 */
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297000000, /* frac rate 1 */
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BIT(31), /* gate */
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BIT(28), /* lock */
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CLK_SET_RATE_UNGATE);
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static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0",
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"osc24M", 0x020,
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8, 5, /* N */
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4, 2, /* K */
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0, 2, /* M */
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BIT(31), /* gate */
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BIT(28), /* lock */
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0);
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static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph",
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"osc24M", 0x028,
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8, 5, /* N */
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4, 2, /* K */
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BIT(31), /* gate */
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BIT(28), /* lock */
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2, /* post-div */
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CLK_SET_RATE_UNGATE);
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static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu",
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"osc24M", 0x038,
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8, 7, /* N */
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0, 4, /* M */
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BIT(24), /* frac enable */
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BIT(25), /* frac select */
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270000000, /* frac rate 0 */
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297000000, /* frac rate 1 */
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BIT(31), /* gate */
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BIT(28), /* lock */
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CLK_SET_RATE_UNGATE);
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/*
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* The MIPI PLL has 2 modes: "MIPI" and "HDMI".
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*
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* The MIPI mode is a standard NKM-style clock. The HDMI mode is an
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* integer / fractional clock with switchable multipliers and dividers.
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* This is not supported here. We hardcode the PLL to MIPI mode.
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*/
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#define SUN8I_A33_PLL_MIPI_REG 0x040
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static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi",
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"pll-video", 0x040,
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8, 4, /* N */
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4, 2, /* K */
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0, 4, /* M */
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BIT(31) | BIT(23) | BIT(22), /* gate */
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BIT(28), /* lock */
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CLK_SET_RATE_UNGATE);
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static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic",
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"osc24M", 0x044,
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8, 7, /* N */
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0, 4, /* M */
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BIT(24), /* frac enable */
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BIT(25), /* frac select */
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270000000, /* frac rate 0 */
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297000000, /* frac rate 1 */
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BIT(31), /* gate */
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BIT(28), /* lock */
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CLK_SET_RATE_UNGATE);
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static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de",
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"osc24M", 0x048,
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8, 7, /* N */
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0, 4, /* M */
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BIT(24), /* frac enable */
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BIT(25), /* frac select */
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270000000, /* frac rate 0 */
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297000000, /* frac rate 1 */
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BIT(31), /* gate */
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BIT(28), /* lock */
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CLK_SET_RATE_UNGATE);
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static struct ccu_mult pll_ddr1_clk = {
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.enable = BIT(31),
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.lock = BIT(28),
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.mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 6, 0, 12, 0),
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.common = {
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.reg = 0x04c,
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.hw.init = CLK_HW_INIT("pll-ddr1", "osc24M",
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&ccu_mult_ops,
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CLK_SET_RATE_UNGATE),
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},
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};
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static const char * const cpux_parents[] = { "osc32k", "osc24M",
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"pll-cpux" , "pll-cpux" };
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static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
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0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);
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static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0);
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static const char * const ahb1_parents[] = { "osc32k", "osc24M",
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"axi" , "pll-periph" };
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static const struct ccu_mux_var_prediv ahb1_predivs[] = {
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{ .index = 3, .shift = 6, .width = 2 },
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};
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static struct ccu_div ahb1_clk = {
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.div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
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.mux = {
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.shift = 12,
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.width = 2,
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.var_predivs = ahb1_predivs,
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.n_var_predivs = ARRAY_SIZE(ahb1_predivs),
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},
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.common = {
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.reg = 0x054,
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.features = CCU_FEATURE_VARIABLE_PREDIV,
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.hw.init = CLK_HW_INIT_PARENTS("ahb1",
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ahb1_parents,
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&ccu_div_ops,
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0),
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},
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};
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static struct clk_div_table apb1_div_table[] = {
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{ .val = 0, .div = 2 },
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{ .val = 1, .div = 2 },
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{ .val = 2, .div = 4 },
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{ .val = 3, .div = 8 },
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{ /* Sentinel */ },
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};
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static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
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0x054, 8, 2, apb1_div_table, 0);
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static const char * const apb2_parents[] = { "osc32k", "osc24M",
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"pll-periph" , "pll-periph" };
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static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
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0, 5, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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0);
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static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
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0x060, BIT(1), 0);
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static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb1",
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0x060, BIT(5), 0);
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static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
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0x060, BIT(6), 0);
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static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1",
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0x060, BIT(8), 0);
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static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1",
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0x060, BIT(9), 0);
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static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1",
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0x060, BIT(10), 0);
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static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1",
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0x060, BIT(13), 0);
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static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1",
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0x060, BIT(14), 0);
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static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
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0x060, BIT(19), 0);
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static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1",
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0x060, BIT(20), 0);
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static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1",
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0x060, BIT(21), 0);
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static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
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0x060, BIT(24), 0);
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static SUNXI_CCU_GATE(bus_ehci_clk, "bus-ehci", "ahb1",
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0x060, BIT(26), 0);
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static SUNXI_CCU_GATE(bus_ohci_clk, "bus-ohci", "ahb1",
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0x060, BIT(29), 0);
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static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
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0x064, BIT(0), 0);
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static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb1",
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0x064, BIT(4), 0);
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static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1",
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0x064, BIT(8), 0);
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static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb1",
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0x064, BIT(12), 0);
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static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb1",
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0x064, BIT(14), 0);
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static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1",
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0x064, BIT(20), 0);
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static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
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0x064, BIT(21), 0);
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static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
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0x064, BIT(22), 0);
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static SUNXI_CCU_GATE(bus_drc_clk, "bus-drc", "ahb1",
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0x064, BIT(25), 0);
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static SUNXI_CCU_GATE(bus_sat_clk, "bus-sat", "ahb1",
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0x064, BIT(26), 0);
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static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1",
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0x068, BIT(0), 0);
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static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1",
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0x068, BIT(5), 0);
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static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1",
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0x068, BIT(12), 0);
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static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1",
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0x068, BIT(13), 0);
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static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2",
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0x06c, BIT(0), 0);
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static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2",
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0x06c, BIT(1), 0);
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static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2",
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0x06c, BIT(2), 0);
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static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2",
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0x06c, BIT(16), 0);
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static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2",
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0x06c, BIT(17), 0);
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static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2",
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0x06c, BIT(18), 0);
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static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2",
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0x06c, BIT(19), 0);
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static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2",
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0x06c, BIT(20), 0);
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static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
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static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080,
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0, 4, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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BIT(31), /* gate */
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0);
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static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088,
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0, 4, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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BIT(31), /* gate */
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0);
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static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0",
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0x088, 20, 3, 0);
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static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0",
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0x088, 8, 3, 0);
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static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c,
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0, 4, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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BIT(31), /* gate */
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0);
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static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1",
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0x08c, 20, 3, 0);
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static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1",
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0x08c, 8, 3, 0);
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static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090,
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0, 4, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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BIT(31), /* gate */
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0);
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static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2",
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0x090, 20, 3, 0);
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static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2",
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0x090, 8, 3, 0);
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static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents, 0x09c,
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0, 4, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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BIT(31), /* gate */
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0);
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static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0,
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0, 4, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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BIT(31), /* gate */
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0);
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static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
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0, 4, /* M */
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16, 2, /* P */
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24, 2, /* mux */
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BIT(31), /* gate */
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0);
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static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
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"pll-audio-2x", "pll-audio" };
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static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
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0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
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static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
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0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
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/* TODO: the parent for most of the USB clocks is not known */
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static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
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0x0cc, BIT(8), 0);
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static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M",
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0x0cc, BIT(9), 0);
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static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic",
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0x0cc, BIT(10), 0);
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static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M",
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0x0cc, BIT(11), 0);
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static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci", "osc24M",
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0x0cc, BIT(16), 0);
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static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr",
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0x0f4, 0, 4, CLK_IS_CRITICAL);
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static const char * const pll_ddr_parents[] = { "pll-ddr0", "pll-ddr1" };
|
|
static SUNXI_CCU_MUX(pll_ddr_clk, "pll-ddr", pll_ddr_parents,
|
|
0x0f8, 16, 1, 0);
|
|
|
|
static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram",
|
|
0x100, BIT(0), 0);
|
|
static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram",
|
|
0x100, BIT(1), 0);
|
|
static SUNXI_CCU_GATE(dram_drc_clk, "dram-drc", "dram",
|
|
0x100, BIT(16), 0);
|
|
static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "dram",
|
|
0x100, BIT(24), 0);
|
|
static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "dram",
|
|
0x100, BIT(26), 0);
|
|
|
|
static const char * const de_parents[] = { "pll-video", "pll-periph-2x",
|
|
"pll-gpu", "pll-de" };
|
|
static const u8 de_table[] = { 0, 2, 3, 5 };
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be",
|
|
de_parents, de_table,
|
|
0x104, 0, 4, 24, 3, BIT(31), 0);
|
|
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe",
|
|
de_parents, de_table,
|
|
0x10c, 0, 4, 24, 3, BIT(31), 0);
|
|
|
|
static const char * const lcd_ch0_parents[] = { "pll-video", "pll-video-2x",
|
|
"pll-mipi" };
|
|
static const u8 lcd_ch0_table[] = { 0, 2, 4 };
|
|
static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0",
|
|
lcd_ch0_parents, lcd_ch0_table,
|
|
0x118, 24, 3, BIT(31),
|
|
CLK_SET_RATE_PARENT);
|
|
|
|
static const char * const lcd_ch1_parents[] = { "pll-video", "pll-video-2x" };
|
|
static const u8 lcd_ch1_table[] = { 0, 2 };
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1",
|
|
lcd_ch1_parents, lcd_ch1_table,
|
|
0x12c, 0, 4, 24, 2, BIT(31), 0);
|
|
|
|
static const char * const csi_sclk_parents[] = { "pll-video", "pll-de",
|
|
"pll-mipi", "pll-ve" };
|
|
static const u8 csi_sclk_table[] = { 0, 3, 4, 5 };
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk",
|
|
csi_sclk_parents, csi_sclk_table,
|
|
0x134, 16, 4, 24, 3, BIT(31), 0);
|
|
|
|
static const char * const csi_mclk_parents[] = { "pll-video", "pll-de",
|
|
"osc24M" };
|
|
static const u8 csi_mclk_table[] = { 0, 3, 5 };
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk",
|
|
csi_mclk_parents, csi_mclk_table,
|
|
0x134, 0, 5, 8, 3, BIT(15), 0);
|
|
|
|
static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
|
|
0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT);
|
|
|
|
static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
|
|
0x140, BIT(31), CLK_SET_RATE_PARENT);
|
|
static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x",
|
|
0x140, BIT(30), CLK_SET_RATE_PARENT);
|
|
static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
|
|
0x144, BIT(31), 0);
|
|
|
|
static const char * const mbus_parents[] = { "osc24M", "pll-periph-2x",
|
|
"pll-ddr0", "pll-ddr1" };
|
|
static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
|
|
0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL);
|
|
|
|
static const char * const dsi_sclk_parents[] = { "pll-video", "pll-video-2x" };
|
|
static const u8 dsi_sclk_table[] = { 0, 2 };
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk",
|
|
dsi_sclk_parents, dsi_sclk_table,
|
|
0x168, 16, 4, 24, 2, BIT(31), 0);
|
|
|
|
static const char * const dsi_dphy_parents[] = { "pll-video", "pll-periph" };
|
|
static const u8 dsi_dphy_table[] = { 0, 2 };
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy",
|
|
dsi_dphy_parents, dsi_dphy_table,
|
|
0x168, 0, 4, 8, 2, BIT(15), 0);
|
|
|
|
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc",
|
|
de_parents, de_table,
|
|
0x180, 0, 4, 24, 3, BIT(31), 0);
|
|
|
|
static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu",
|
|
0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT);
|
|
|
|
static const char * const ats_parents[] = { "osc24M", "pll-periph" };
|
|
static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents,
|
|
0x1b0, 0, 3, 24, 2, BIT(31), 0);
|
|
|
|
static struct ccu_common *sun8i_a33_ccu_clks[] = {
|
|
&pll_cpux_clk.common,
|
|
&pll_audio_base_clk.common,
|
|
&pll_video_clk.common,
|
|
&pll_ve_clk.common,
|
|
&pll_ddr0_clk.common,
|
|
&pll_periph_clk.common,
|
|
&pll_gpu_clk.common,
|
|
&pll_mipi_clk.common,
|
|
&pll_hsic_clk.common,
|
|
&pll_de_clk.common,
|
|
&pll_ddr1_clk.common,
|
|
&pll_ddr_clk.common,
|
|
&cpux_clk.common,
|
|
&axi_clk.common,
|
|
&ahb1_clk.common,
|
|
&apb1_clk.common,
|
|
&apb2_clk.common,
|
|
&bus_mipi_dsi_clk.common,
|
|
&bus_ss_clk.common,
|
|
&bus_dma_clk.common,
|
|
&bus_mmc0_clk.common,
|
|
&bus_mmc1_clk.common,
|
|
&bus_mmc2_clk.common,
|
|
&bus_nand_clk.common,
|
|
&bus_dram_clk.common,
|
|
&bus_hstimer_clk.common,
|
|
&bus_spi0_clk.common,
|
|
&bus_spi1_clk.common,
|
|
&bus_otg_clk.common,
|
|
&bus_ehci_clk.common,
|
|
&bus_ohci_clk.common,
|
|
&bus_ve_clk.common,
|
|
&bus_lcd_clk.common,
|
|
&bus_csi_clk.common,
|
|
&bus_de_fe_clk.common,
|
|
&bus_de_be_clk.common,
|
|
&bus_gpu_clk.common,
|
|
&bus_msgbox_clk.common,
|
|
&bus_spinlock_clk.common,
|
|
&bus_drc_clk.common,
|
|
&bus_sat_clk.common,
|
|
&bus_codec_clk.common,
|
|
&bus_pio_clk.common,
|
|
&bus_i2s0_clk.common,
|
|
&bus_i2s1_clk.common,
|
|
&bus_i2c0_clk.common,
|
|
&bus_i2c1_clk.common,
|
|
&bus_i2c2_clk.common,
|
|
&bus_uart0_clk.common,
|
|
&bus_uart1_clk.common,
|
|
&bus_uart2_clk.common,
|
|
&bus_uart3_clk.common,
|
|
&bus_uart4_clk.common,
|
|
&nand_clk.common,
|
|
&mmc0_clk.common,
|
|
&mmc0_sample_clk.common,
|
|
&mmc0_output_clk.common,
|
|
&mmc1_clk.common,
|
|
&mmc1_sample_clk.common,
|
|
&mmc1_output_clk.common,
|
|
&mmc2_clk.common,
|
|
&mmc2_sample_clk.common,
|
|
&mmc2_output_clk.common,
|
|
&ss_clk.common,
|
|
&spi0_clk.common,
|
|
&spi1_clk.common,
|
|
&i2s0_clk.common,
|
|
&i2s1_clk.common,
|
|
&usb_phy0_clk.common,
|
|
&usb_phy1_clk.common,
|
|
&usb_hsic_clk.common,
|
|
&usb_hsic_12M_clk.common,
|
|
&usb_ohci_clk.common,
|
|
&dram_clk.common,
|
|
&dram_ve_clk.common,
|
|
&dram_csi_clk.common,
|
|
&dram_drc_clk.common,
|
|
&dram_de_fe_clk.common,
|
|
&dram_de_be_clk.common,
|
|
&de_be_clk.common,
|
|
&de_fe_clk.common,
|
|
&lcd_ch0_clk.common,
|
|
&lcd_ch1_clk.common,
|
|
&csi_sclk_clk.common,
|
|
&csi_mclk_clk.common,
|
|
&ve_clk.common,
|
|
&ac_dig_clk.common,
|
|
&ac_dig_4x_clk.common,
|
|
&avs_clk.common,
|
|
&mbus_clk.common,
|
|
&dsi_sclk_clk.common,
|
|
&dsi_dphy_clk.common,
|
|
&drc_clk.common,
|
|
&gpu_clk.common,
|
|
&ats_clk.common,
|
|
};
|
|
|
|
static const struct clk_hw *clk_parent_pll_audio[] = {
|
|
&pll_audio_base_clk.common.hw
|
|
};
|
|
|
|
/* We hardcode the divider to 1 for now */
|
|
static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio",
|
|
clk_parent_pll_audio,
|
|
1, 1, CLK_SET_RATE_PARENT);
|
|
static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x",
|
|
clk_parent_pll_audio,
|
|
2, 1, CLK_SET_RATE_PARENT);
|
|
static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x",
|
|
clk_parent_pll_audio,
|
|
1, 1, CLK_SET_RATE_PARENT);
|
|
static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x",
|
|
clk_parent_pll_audio,
|
|
1, 2, CLK_SET_RATE_PARENT);
|
|
static CLK_FIXED_FACTOR_HW(pll_periph_2x_clk, "pll-periph-2x",
|
|
&pll_periph_clk.common.hw,
|
|
1, 2, 0);
|
|
static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x",
|
|
&pll_video_clk.common.hw,
|
|
1, 2, 0);
|
|
|
|
static struct clk_hw_onecell_data sun8i_a33_hw_clks = {
|
|
.hws = {
|
|
[CLK_PLL_CPUX] = &pll_cpux_clk.common.hw,
|
|
[CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw,
|
|
[CLK_PLL_AUDIO] = &pll_audio_clk.hw,
|
|
[CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw,
|
|
[CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw,
|
|
[CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw,
|
|
[CLK_PLL_VIDEO] = &pll_video_clk.common.hw,
|
|
[CLK_PLL_VIDEO_2X] = &pll_video_2x_clk.hw,
|
|
[CLK_PLL_VE] = &pll_ve_clk.common.hw,
|
|
[CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw,
|
|
[CLK_PLL_PERIPH] = &pll_periph_clk.common.hw,
|
|
[CLK_PLL_PERIPH_2X] = &pll_periph_2x_clk.hw,
|
|
[CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
|
|
[CLK_PLL_MIPI] = &pll_mipi_clk.common.hw,
|
|
[CLK_PLL_HSIC] = &pll_hsic_clk.common.hw,
|
|
[CLK_PLL_DE] = &pll_de_clk.common.hw,
|
|
[CLK_PLL_DDR1] = &pll_ddr1_clk.common.hw,
|
|
[CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
|
|
[CLK_CPUX] = &cpux_clk.common.hw,
|
|
[CLK_AXI] = &axi_clk.common.hw,
|
|
[CLK_AHB1] = &ahb1_clk.common.hw,
|
|
[CLK_APB1] = &apb1_clk.common.hw,
|
|
[CLK_APB2] = &apb2_clk.common.hw,
|
|
[CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
|
|
[CLK_BUS_SS] = &bus_ss_clk.common.hw,
|
|
[CLK_BUS_DMA] = &bus_dma_clk.common.hw,
|
|
[CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw,
|
|
[CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw,
|
|
[CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw,
|
|
[CLK_BUS_NAND] = &bus_nand_clk.common.hw,
|
|
[CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
|
|
[CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
|
|
[CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
|
|
[CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
|
|
[CLK_BUS_OTG] = &bus_otg_clk.common.hw,
|
|
[CLK_BUS_EHCI] = &bus_ehci_clk.common.hw,
|
|
[CLK_BUS_OHCI] = &bus_ohci_clk.common.hw,
|
|
[CLK_BUS_VE] = &bus_ve_clk.common.hw,
|
|
[CLK_BUS_LCD] = &bus_lcd_clk.common.hw,
|
|
[CLK_BUS_CSI] = &bus_csi_clk.common.hw,
|
|
[CLK_BUS_DE_BE] = &bus_de_be_clk.common.hw,
|
|
[CLK_BUS_DE_FE] = &bus_de_fe_clk.common.hw,
|
|
[CLK_BUS_GPU] = &bus_gpu_clk.common.hw,
|
|
[CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
|
|
[CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
|
|
[CLK_BUS_DRC] = &bus_drc_clk.common.hw,
|
|
[CLK_BUS_SAT] = &bus_sat_clk.common.hw,
|
|
[CLK_BUS_CODEC] = &bus_codec_clk.common.hw,
|
|
[CLK_BUS_PIO] = &bus_pio_clk.common.hw,
|
|
[CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
|
|
[CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
|
|
[CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
|
|
[CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
|
|
[CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
|
|
[CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
|
|
[CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
|
|
[CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
|
|
[CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
|
|
[CLK_BUS_UART4] = &bus_uart4_clk.common.hw,
|
|
[CLK_NAND] = &nand_clk.common.hw,
|
|
[CLK_MMC0] = &mmc0_clk.common.hw,
|
|
[CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw,
|
|
[CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw,
|
|
[CLK_MMC1] = &mmc1_clk.common.hw,
|
|
[CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
|
|
[CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
|
|
[CLK_MMC2] = &mmc2_clk.common.hw,
|
|
[CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
|
|
[CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
|
|
[CLK_SS] = &ss_clk.common.hw,
|
|
[CLK_SPI0] = &spi0_clk.common.hw,
|
|
[CLK_SPI1] = &spi1_clk.common.hw,
|
|
[CLK_I2S0] = &i2s0_clk.common.hw,
|
|
[CLK_I2S1] = &i2s1_clk.common.hw,
|
|
[CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
|
|
[CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
|
|
[CLK_USB_HSIC] = &usb_hsic_clk.common.hw,
|
|
[CLK_USB_HSIC_12M] = &usb_hsic_12M_clk.common.hw,
|
|
[CLK_USB_OHCI] = &usb_ohci_clk.common.hw,
|
|
[CLK_DRAM] = &dram_clk.common.hw,
|
|
[CLK_DRAM_VE] = &dram_ve_clk.common.hw,
|
|
[CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
|
|
[CLK_DRAM_DRC] = &dram_drc_clk.common.hw,
|
|
[CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw,
|
|
[CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw,
|
|
[CLK_DE_BE] = &de_be_clk.common.hw,
|
|
[CLK_DE_FE] = &de_fe_clk.common.hw,
|
|
[CLK_LCD_CH0] = &lcd_ch0_clk.common.hw,
|
|
[CLK_LCD_CH1] = &lcd_ch1_clk.common.hw,
|
|
[CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
|
|
[CLK_CSI_MCLK] = &csi_mclk_clk.common.hw,
|
|
[CLK_VE] = &ve_clk.common.hw,
|
|
[CLK_AC_DIG] = &ac_dig_clk.common.hw,
|
|
[CLK_AC_DIG_4X] = &ac_dig_4x_clk.common.hw,
|
|
[CLK_AVS] = &avs_clk.common.hw,
|
|
[CLK_MBUS] = &mbus_clk.common.hw,
|
|
[CLK_DSI_SCLK] = &dsi_sclk_clk.common.hw,
|
|
[CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw,
|
|
[CLK_DRC] = &drc_clk.common.hw,
|
|
[CLK_GPU] = &gpu_clk.common.hw,
|
|
[CLK_ATS] = &ats_clk.common.hw,
|
|
},
|
|
.num = CLK_NUMBER,
|
|
};
|
|
|
|
static struct ccu_reset_map sun8i_a33_ccu_resets[] = {
|
|
[RST_USB_PHY0] = { 0x0cc, BIT(0) },
|
|
[RST_USB_PHY1] = { 0x0cc, BIT(1) },
|
|
[RST_USB_HSIC] = { 0x0cc, BIT(2) },
|
|
|
|
[RST_MBUS] = { 0x0fc, BIT(31) },
|
|
|
|
[RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) },
|
|
[RST_BUS_SS] = { 0x2c0, BIT(5) },
|
|
[RST_BUS_DMA] = { 0x2c0, BIT(6) },
|
|
[RST_BUS_MMC0] = { 0x2c0, BIT(8) },
|
|
[RST_BUS_MMC1] = { 0x2c0, BIT(9) },
|
|
[RST_BUS_MMC2] = { 0x2c0, BIT(10) },
|
|
[RST_BUS_NAND] = { 0x2c0, BIT(13) },
|
|
[RST_BUS_DRAM] = { 0x2c0, BIT(14) },
|
|
[RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
|
|
[RST_BUS_SPI0] = { 0x2c0, BIT(20) },
|
|
[RST_BUS_SPI1] = { 0x2c0, BIT(21) },
|
|
[RST_BUS_OTG] = { 0x2c0, BIT(24) },
|
|
[RST_BUS_EHCI] = { 0x2c0, BIT(26) },
|
|
[RST_BUS_OHCI] = { 0x2c0, BIT(29) },
|
|
|
|
[RST_BUS_VE] = { 0x2c4, BIT(0) },
|
|
[RST_BUS_LCD] = { 0x2c4, BIT(4) },
|
|
[RST_BUS_CSI] = { 0x2c4, BIT(8) },
|
|
[RST_BUS_DE_BE] = { 0x2c4, BIT(12) },
|
|
[RST_BUS_DE_FE] = { 0x2c4, BIT(14) },
|
|
[RST_BUS_GPU] = { 0x2c4, BIT(20) },
|
|
[RST_BUS_MSGBOX] = { 0x2c4, BIT(21) },
|
|
[RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) },
|
|
[RST_BUS_DRC] = { 0x2c4, BIT(25) },
|
|
[RST_BUS_SAT] = { 0x2c4, BIT(26) },
|
|
|
|
[RST_BUS_LVDS] = { 0x2c8, BIT(0) },
|
|
|
|
[RST_BUS_CODEC] = { 0x2d0, BIT(0) },
|
|
[RST_BUS_I2S0] = { 0x2d0, BIT(12) },
|
|
[RST_BUS_I2S1] = { 0x2d0, BIT(13) },
|
|
|
|
[RST_BUS_I2C0] = { 0x2d8, BIT(0) },
|
|
[RST_BUS_I2C1] = { 0x2d8, BIT(1) },
|
|
[RST_BUS_I2C2] = { 0x2d8, BIT(2) },
|
|
[RST_BUS_UART0] = { 0x2d8, BIT(16) },
|
|
[RST_BUS_UART1] = { 0x2d8, BIT(17) },
|
|
[RST_BUS_UART2] = { 0x2d8, BIT(18) },
|
|
[RST_BUS_UART3] = { 0x2d8, BIT(19) },
|
|
[RST_BUS_UART4] = { 0x2d8, BIT(20) },
|
|
};
|
|
|
|
static const struct sunxi_ccu_desc sun8i_a33_ccu_desc = {
|
|
.ccu_clks = sun8i_a33_ccu_clks,
|
|
.num_ccu_clks = ARRAY_SIZE(sun8i_a33_ccu_clks),
|
|
|
|
.hw_clks = &sun8i_a33_hw_clks,
|
|
|
|
.resets = sun8i_a33_ccu_resets,
|
|
.num_resets = ARRAY_SIZE(sun8i_a33_ccu_resets),
|
|
};
|
|
|
|
static struct ccu_pll_nb sun8i_a33_pll_cpu_nb = {
|
|
.common = &pll_cpux_clk.common,
|
|
/* copy from pll_cpux_clk */
|
|
.enable = BIT(31),
|
|
.lock = BIT(28),
|
|
};
|
|
|
|
static struct ccu_mux_nb sun8i_a33_cpu_nb = {
|
|
.common = &cpux_clk.common,
|
|
.cm = &cpux_clk.mux,
|
|
.delay_us = 1, /* > 8 clock cycles at 24 MHz */
|
|
.bypass_index = 1, /* index of 24 MHz oscillator */
|
|
};
|
|
|
|
static void __init sun8i_a33_ccu_setup(struct device_node *node)
|
|
{
|
|
void __iomem *reg;
|
|
u32 val;
|
|
|
|
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
|
|
if (IS_ERR(reg)) {
|
|
pr_err("%pOF: Could not map the clock registers\n", node);
|
|
return;
|
|
}
|
|
|
|
/* Force the PLL-Audio-1x divider to 1 */
|
|
val = readl(reg + SUN8I_A33_PLL_AUDIO_REG);
|
|
val &= ~GENMASK(19, 16);
|
|
writel(val | (0 << 16), reg + SUN8I_A33_PLL_AUDIO_REG);
|
|
|
|
/* Force PLL-MIPI to MIPI mode */
|
|
val = readl(reg + SUN8I_A33_PLL_MIPI_REG);
|
|
val &= ~BIT(16);
|
|
writel(val, reg + SUN8I_A33_PLL_MIPI_REG);
|
|
|
|
of_sunxi_ccu_probe(node, reg, &sun8i_a33_ccu_desc);
|
|
|
|
/* Gate then ungate PLL CPU after any rate changes */
|
|
ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb);
|
|
|
|
/* Reparent CPU during PLL CPU rate changes */
|
|
ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
|
|
&sun8i_a33_cpu_nb);
|
|
}
|
|
CLK_OF_DECLARE(sun8i_a33_ccu, "allwinner,sun8i-a33-ccu",
|
|
sun8i_a33_ccu_setup);
|