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![Matti Vaittinen](/assets/img/avatar_default.png)
BD71828GW is a single-chip power management IC for battery-powered portable devices. Add support for controlling BD71828 clk using bd718x7 driver. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
326 lines
9.2 KiB
C
326 lines
9.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* Copyright (C) 2018 ROHM Semiconductors */
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#ifndef __LINUX_MFD_BD718XX_H__
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#define __LINUX_MFD_BD718XX_H__
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#include <linux/mfd/rohm-generic.h>
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#include <linux/regmap.h>
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enum {
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BD718XX_BUCK1 = 0,
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BD718XX_BUCK2,
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BD718XX_BUCK3,
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BD718XX_BUCK4,
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BD718XX_BUCK5,
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BD718XX_BUCK6,
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BD718XX_BUCK7,
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BD718XX_BUCK8,
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BD718XX_LDO1,
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BD718XX_LDO2,
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BD718XX_LDO3,
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BD718XX_LDO4,
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BD718XX_LDO5,
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BD718XX_LDO6,
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BD718XX_LDO7,
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BD718XX_REGULATOR_AMOUNT,
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};
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/* Common voltage configurations */
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#define BD718XX_DVS_BUCK_VOLTAGE_NUM 0x3D
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#define BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM 0x3D
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#define BD718XX_LDO1_VOLTAGE_NUM 0x08
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#define BD718XX_LDO2_VOLTAGE_NUM 0x02
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#define BD718XX_LDO3_VOLTAGE_NUM 0x10
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#define BD718XX_LDO4_VOLTAGE_NUM 0x0A
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#define BD718XX_LDO6_VOLTAGE_NUM 0x0A
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/* BD71837 specific voltage configurations */
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#define BD71837_BUCK5_VOLTAGE_NUM 0x10
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#define BD71837_BUCK6_VOLTAGE_NUM 0x04
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#define BD71837_BUCK7_VOLTAGE_NUM 0x08
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#define BD71837_LDO5_VOLTAGE_NUM 0x10
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#define BD71837_LDO7_VOLTAGE_NUM 0x10
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/* BD71847 specific voltage configurations */
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#define BD71847_BUCK3_VOLTAGE_NUM 0x18
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#define BD71847_BUCK4_VOLTAGE_NUM 0x08
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#define BD71847_LDO5_VOLTAGE_NUM 0x20
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/* Registers specific to BD71837 */
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enum {
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BD71837_REG_BUCK3_CTRL = 0x07,
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BD71837_REG_BUCK4_CTRL = 0x08,
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BD71837_REG_BUCK3_VOLT_RUN = 0x12,
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BD71837_REG_BUCK4_VOLT_RUN = 0x13,
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BD71837_REG_LDO7_VOLT = 0x1E,
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};
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/* Registers common for BD71837 and BD71847 */
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enum {
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BD718XX_REG_REV = 0x00,
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BD718XX_REG_SWRESET = 0x01,
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BD718XX_REG_I2C_DEV = 0x02,
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BD718XX_REG_PWRCTRL0 = 0x03,
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BD718XX_REG_PWRCTRL1 = 0x04,
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BD718XX_REG_BUCK1_CTRL = 0x05,
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BD718XX_REG_BUCK2_CTRL = 0x06,
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BD718XX_REG_1ST_NODVS_BUCK_CTRL = 0x09,
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BD718XX_REG_2ND_NODVS_BUCK_CTRL = 0x0A,
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BD718XX_REG_3RD_NODVS_BUCK_CTRL = 0x0B,
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BD718XX_REG_4TH_NODVS_BUCK_CTRL = 0x0C,
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BD718XX_REG_BUCK1_VOLT_RUN = 0x0D,
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BD718XX_REG_BUCK1_VOLT_IDLE = 0x0E,
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BD718XX_REG_BUCK1_VOLT_SUSP = 0x0F,
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BD718XX_REG_BUCK2_VOLT_RUN = 0x10,
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BD718XX_REG_BUCK2_VOLT_IDLE = 0x11,
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BD718XX_REG_1ST_NODVS_BUCK_VOLT = 0x14,
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BD718XX_REG_2ND_NODVS_BUCK_VOLT = 0x15,
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BD718XX_REG_3RD_NODVS_BUCK_VOLT = 0x16,
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BD718XX_REG_4TH_NODVS_BUCK_VOLT = 0x17,
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BD718XX_REG_LDO1_VOLT = 0x18,
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BD718XX_REG_LDO2_VOLT = 0x19,
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BD718XX_REG_LDO3_VOLT = 0x1A,
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BD718XX_REG_LDO4_VOLT = 0x1B,
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BD718XX_REG_LDO5_VOLT = 0x1C,
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BD718XX_REG_LDO6_VOLT = 0x1D,
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BD718XX_REG_TRANS_COND0 = 0x1F,
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BD718XX_REG_TRANS_COND1 = 0x20,
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BD718XX_REG_VRFAULTEN = 0x21,
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BD718XX_REG_MVRFLTMASK0 = 0x22,
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BD718XX_REG_MVRFLTMASK1 = 0x23,
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BD718XX_REG_MVRFLTMASK2 = 0x24,
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BD718XX_REG_RCVCFG = 0x25,
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BD718XX_REG_RCVNUM = 0x26,
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BD718XX_REG_PWRONCONFIG0 = 0x27,
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BD718XX_REG_PWRONCONFIG1 = 0x28,
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BD718XX_REG_RESETSRC = 0x29,
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BD718XX_REG_MIRQ = 0x2A,
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BD718XX_REG_IRQ = 0x2B,
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BD718XX_REG_IN_MON = 0x2C,
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BD718XX_REG_POW_STATE = 0x2D,
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BD718XX_REG_OUT32K = 0x2E,
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BD718XX_REG_REGLOCK = 0x2F,
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BD718XX_REG_OTPVER = 0xFF,
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BD718XX_MAX_REGISTER = 0x100,
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};
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#define REGLOCK_PWRSEQ 0x1
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#define REGLOCK_VREG 0x10
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/* Generic BUCK control masks */
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#define BD718XX_BUCK_SEL 0x02
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#define BD718XX_BUCK_EN 0x01
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#define BD718XX_BUCK_RUN_ON 0x04
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/* Generic LDO masks */
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#define BD718XX_LDO_SEL 0x80
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#define BD718XX_LDO_EN 0x40
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/* BD71837 BUCK ramp rate CTRL reg bits */
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#define BUCK_RAMPRATE_MASK 0xC0
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#define BUCK_RAMPRATE_10P00MV 0x0
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#define BUCK_RAMPRATE_5P00MV 0x1
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#define BUCK_RAMPRATE_2P50MV 0x2
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#define BUCK_RAMPRATE_1P25MV 0x3
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#define DVS_BUCK_RUN_MASK 0x3F
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#define DVS_BUCK_SUSP_MASK 0x3F
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#define DVS_BUCK_IDLE_MASK 0x3F
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#define BD718XX_1ST_NODVS_BUCK_MASK 0x07
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#define BD718XX_3RD_NODVS_BUCK_MASK 0x07
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#define BD718XX_4TH_NODVS_BUCK_MASK 0x3F
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#define BD71847_BUCK3_MASK 0x07
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#define BD71847_BUCK3_RANGE_MASK 0xC0
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#define BD71847_BUCK4_MASK 0x03
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#define BD71847_BUCK4_RANGE_MASK 0x40
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#define BD71837_BUCK5_MASK 0x07
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#define BD71837_BUCK5_RANGE_MASK 0x80
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#define BD71837_BUCK6_MASK 0x03
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#define BD718XX_LDO1_MASK 0x03
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#define BD718XX_LDO1_RANGE_MASK 0x20
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#define BD718XX_LDO2_MASK 0x20
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#define BD718XX_LDO3_MASK 0x0F
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#define BD718XX_LDO4_MASK 0x0F
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#define BD718XX_LDO6_MASK 0x0F
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#define BD71837_LDO5_MASK 0x0F
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#define BD71847_LDO5_MASK 0x0F
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#define BD71847_LDO5_RANGE_MASK 0x20
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#define BD71837_LDO7_MASK 0x0F
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/* BD718XX Voltage monitoring masks */
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#define BD718XX_BUCK1_VRMON80 0x1
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#define BD718XX_BUCK1_VRMON130 0x2
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#define BD718XX_BUCK2_VRMON80 0x4
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#define BD718XX_BUCK2_VRMON130 0x8
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#define BD718XX_1ST_NODVS_BUCK_VRMON80 0x1
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#define BD718XX_1ST_NODVS_BUCK_VRMON130 0x2
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#define BD718XX_2ND_NODVS_BUCK_VRMON80 0x4
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#define BD718XX_2ND_NODVS_BUCK_VRMON130 0x8
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#define BD718XX_3RD_NODVS_BUCK_VRMON80 0x10
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#define BD718XX_3RD_NODVS_BUCK_VRMON130 0x20
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#define BD718XX_4TH_NODVS_BUCK_VRMON80 0x40
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#define BD718XX_4TH_NODVS_BUCK_VRMON130 0x80
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#define BD718XX_LDO1_VRMON80 0x1
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#define BD718XX_LDO2_VRMON80 0x2
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#define BD718XX_LDO3_VRMON80 0x4
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#define BD718XX_LDO4_VRMON80 0x8
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#define BD718XX_LDO5_VRMON80 0x10
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#define BD718XX_LDO6_VRMON80 0x20
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/* BD71837 specific voltage monitoring masks */
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#define BD71837_BUCK3_VRMON80 0x10
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#define BD71837_BUCK3_VRMON130 0x20
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#define BD71837_BUCK4_VRMON80 0x40
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#define BD71837_BUCK4_VRMON130 0x80
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#define BD71837_LDO7_VRMON80 0x40
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/* BD718XX_REG_IRQ bits */
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#define IRQ_SWRST 0x40
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#define IRQ_PWRON_S 0x20
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#define IRQ_PWRON_L 0x10
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#define IRQ_PWRON 0x08
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#define IRQ_WDOG 0x04
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#define IRQ_ON_REQ 0x02
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#define IRQ_STBY_REQ 0x01
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/* ROHM BD718XX irqs */
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enum {
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BD718XX_INT_STBY_REQ,
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BD718XX_INT_ON_REQ,
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BD718XX_INT_WDOG,
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BD718XX_INT_PWRBTN,
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BD718XX_INT_PWRBTN_L,
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BD718XX_INT_PWRBTN_S,
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BD718XX_INT_SWRST
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};
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/* ROHM BD718XX interrupt masks */
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#define BD718XX_INT_SWRST_MASK 0x40
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#define BD718XX_INT_PWRBTN_S_MASK 0x20
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#define BD718XX_INT_PWRBTN_L_MASK 0x10
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#define BD718XX_INT_PWRBTN_MASK 0x8
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#define BD718XX_INT_WDOG_MASK 0x4
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#define BD718XX_INT_ON_REQ_MASK 0x2
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#define BD718XX_INT_STBY_REQ_MASK 0x1
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/* Register write induced reset settings */
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/*
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* Even though the bit zero is not SWRESET type we still want to write zero
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* to it when changing type. Bit zero is 'SWRESET' trigger bit and if we
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* write 1 to it we will trigger the action. So always write 0 to it when
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* changning SWRESET action - no matter what we read from it.
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*/
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#define BD718XX_SWRESET_TYPE_MASK 7
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#define BD718XX_SWRESET_TYPE_DISABLED 0
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#define BD718XX_SWRESET_TYPE_COLD 4
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#define BD718XX_SWRESET_TYPE_WARM 6
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#define BD718XX_SWRESET_RESET_MASK 1
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#define BD718XX_SWRESET_RESET 1
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/* Poweroff state transition conditions */
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#define BD718XX_ON_REQ_POWEROFF_MASK 1
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#define BD718XX_SWRESET_POWEROFF_MASK 2
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#define BD718XX_WDOG_POWEROFF_MASK 4
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#define BD718XX_KEY_L_POWEROFF_MASK 8
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#define BD718XX_POWOFF_TO_SNVS 0
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#define BD718XX_POWOFF_TO_RDY 0xF
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#define BD718XX_POWOFF_TIME_MASK 0xF0
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enum {
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BD718XX_POWOFF_TIME_5MS = 0,
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BD718XX_POWOFF_TIME_10MS,
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BD718XX_POWOFF_TIME_15MS,
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BD718XX_POWOFF_TIME_20MS,
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BD718XX_POWOFF_TIME_25MS,
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BD718XX_POWOFF_TIME_30MS,
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BD718XX_POWOFF_TIME_35MS,
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BD718XX_POWOFF_TIME_40MS,
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BD718XX_POWOFF_TIME_45MS,
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BD718XX_POWOFF_TIME_50MS,
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BD718XX_POWOFF_TIME_75MS,
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BD718XX_POWOFF_TIME_100MS,
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BD718XX_POWOFF_TIME_250MS,
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BD718XX_POWOFF_TIME_500MS,
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BD718XX_POWOFF_TIME_750MS,
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BD718XX_POWOFF_TIME_1500MS
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};
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/* Poweron sequence state transition conditions */
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#define BD718XX_RDY_TO_SNVS_MASK 0xF
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#define BD718XX_SNVS_TO_RUN_MASK 0xF0
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#define BD718XX_PWR_TRIG_KEY_L 1
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#define BD718XX_PWR_TRIG_KEY_S 2
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#define BD718XX_PWR_TRIG_PMIC_ON 4
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#define BD718XX_PWR_TRIG_VSYS_UVLO 8
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#define BD718XX_RDY_TO_SNVS_SIFT 0
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#define BD718XX_SNVS_TO_RUN_SIFT 4
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#define BD718XX_PWRBTN_PRESS_DURATION_MASK 0xF
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/* Timeout value for detecting short press */
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enum {
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BD718XX_PWRBTN_SHORT_PRESS_10MS = 0,
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BD718XX_PWRBTN_SHORT_PRESS_500MS,
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BD718XX_PWRBTN_SHORT_PRESS_1000MS,
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BD718XX_PWRBTN_SHORT_PRESS_1500MS,
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BD718XX_PWRBTN_SHORT_PRESS_2000MS,
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BD718XX_PWRBTN_SHORT_PRESS_2500MS,
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BD718XX_PWRBTN_SHORT_PRESS_3000MS,
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BD718XX_PWRBTN_SHORT_PRESS_3500MS,
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BD718XX_PWRBTN_SHORT_PRESS_4000MS,
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BD718XX_PWRBTN_SHORT_PRESS_4500MS,
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BD718XX_PWRBTN_SHORT_PRESS_5000MS,
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BD718XX_PWRBTN_SHORT_PRESS_5500MS,
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BD718XX_PWRBTN_SHORT_PRESS_6000MS,
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BD718XX_PWRBTN_SHORT_PRESS_6500MS,
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BD718XX_PWRBTN_SHORT_PRESS_7000MS,
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BD718XX_PWRBTN_SHORT_PRESS_7500MS
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};
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/* Timeout value for detecting LONG press */
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enum {
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BD718XX_PWRBTN_LONG_PRESS_10MS = 0,
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BD718XX_PWRBTN_LONG_PRESS_1S,
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BD718XX_PWRBTN_LONG_PRESS_2S,
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BD718XX_PWRBTN_LONG_PRESS_3S,
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BD718XX_PWRBTN_LONG_PRESS_4S,
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BD718XX_PWRBTN_LONG_PRESS_5S,
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BD718XX_PWRBTN_LONG_PRESS_6S,
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BD718XX_PWRBTN_LONG_PRESS_7S,
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BD718XX_PWRBTN_LONG_PRESS_8S,
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BD718XX_PWRBTN_LONG_PRESS_9S,
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BD718XX_PWRBTN_LONG_PRESS_10S,
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BD718XX_PWRBTN_LONG_PRESS_11S,
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BD718XX_PWRBTN_LONG_PRESS_12S,
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BD718XX_PWRBTN_LONG_PRESS_13S,
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BD718XX_PWRBTN_LONG_PRESS_14S,
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BD718XX_PWRBTN_LONG_PRESS_15S
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};
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struct bd718xx {
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/*
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* Please keep this as the first member here as some
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* drivers (clk) supporting more than one chip may only know this
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* generic struct 'struct rohm_regmap_dev' and assume it is
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* the first chunk of parent device's private data.
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*/
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struct rohm_regmap_dev chip;
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int chip_irq;
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struct regmap_irq_chip_data *irq_data;
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};
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#endif /* __LINUX_MFD_BD718XX_H__ */
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