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https://github.com/edk2-porting/linux-next.git
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e78bf6be7e
Decrements the reference count of device node and its child node.
Fixes: dfe7a1b058 ("regulator: AXP20x: Add support for regulators subsystem")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210120123313.107640-1-bianpan2016@163.com
Signed-off-by: Mark Brown <broonie@kernel.org>
1376 lines
48 KiB
C
1376 lines
48 KiB
C
/*
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* AXP20x regulators driver.
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*
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* Copyright (C) 2013 Carlo Caione <carlo@caione.org>
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file "COPYING" in the main directory of this
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* archive for more details.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/bitops.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/mfd/axp20x.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/of_regulator.h>
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#define AXP20X_GPIO0_FUNC_MASK GENMASK(3, 0)
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#define AXP20X_GPIO1_FUNC_MASK GENMASK(3, 0)
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#define AXP20X_IO_ENABLED 0x03
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#define AXP20X_IO_DISABLED 0x07
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#define AXP20X_WORKMODE_DCDC2_MASK BIT_MASK(2)
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#define AXP20X_WORKMODE_DCDC3_MASK BIT_MASK(1)
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#define AXP20X_FREQ_DCDC_MASK GENMASK(3, 0)
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#define AXP20X_VBUS_IPSOUT_MGMT_MASK BIT_MASK(2)
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#define AXP20X_DCDC2_V_OUT_MASK GENMASK(5, 0)
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#define AXP20X_DCDC3_V_OUT_MASK GENMASK(7, 0)
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#define AXP20X_LDO2_V_OUT_MASK GENMASK(7, 4)
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#define AXP20X_LDO3_V_OUT_MASK GENMASK(6, 0)
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#define AXP20X_LDO4_V_OUT_MASK GENMASK(3, 0)
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#define AXP20X_LDO5_V_OUT_MASK GENMASK(7, 4)
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#define AXP20X_PWR_OUT_EXTEN_MASK BIT_MASK(0)
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#define AXP20X_PWR_OUT_DCDC3_MASK BIT_MASK(1)
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#define AXP20X_PWR_OUT_LDO2_MASK BIT_MASK(2)
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#define AXP20X_PWR_OUT_LDO4_MASK BIT_MASK(3)
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#define AXP20X_PWR_OUT_DCDC2_MASK BIT_MASK(4)
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#define AXP20X_PWR_OUT_LDO3_MASK BIT_MASK(6)
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#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK BIT_MASK(0)
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#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(x) \
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((x) << 0)
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#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK BIT_MASK(1)
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#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(x) \
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((x) << 1)
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#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK BIT_MASK(2)
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#define AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN BIT(2)
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#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK BIT_MASK(3)
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#define AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN BIT(3)
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#define AXP20X_LDO4_V_OUT_1250mV_START 0x0
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#define AXP20X_LDO4_V_OUT_1250mV_STEPS 0
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#define AXP20X_LDO4_V_OUT_1250mV_END \
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(AXP20X_LDO4_V_OUT_1250mV_START + AXP20X_LDO4_V_OUT_1250mV_STEPS)
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#define AXP20X_LDO4_V_OUT_1300mV_START 0x1
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#define AXP20X_LDO4_V_OUT_1300mV_STEPS 7
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#define AXP20X_LDO4_V_OUT_1300mV_END \
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(AXP20X_LDO4_V_OUT_1300mV_START + AXP20X_LDO4_V_OUT_1300mV_STEPS)
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#define AXP20X_LDO4_V_OUT_2500mV_START 0x9
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#define AXP20X_LDO4_V_OUT_2500mV_STEPS 0
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#define AXP20X_LDO4_V_OUT_2500mV_END \
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(AXP20X_LDO4_V_OUT_2500mV_START + AXP20X_LDO4_V_OUT_2500mV_STEPS)
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#define AXP20X_LDO4_V_OUT_2700mV_START 0xa
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#define AXP20X_LDO4_V_OUT_2700mV_STEPS 1
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#define AXP20X_LDO4_V_OUT_2700mV_END \
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(AXP20X_LDO4_V_OUT_2700mV_START + AXP20X_LDO4_V_OUT_2700mV_STEPS)
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#define AXP20X_LDO4_V_OUT_3000mV_START 0xc
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#define AXP20X_LDO4_V_OUT_3000mV_STEPS 3
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#define AXP20X_LDO4_V_OUT_3000mV_END \
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(AXP20X_LDO4_V_OUT_3000mV_START + AXP20X_LDO4_V_OUT_3000mV_STEPS)
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#define AXP20X_LDO4_V_OUT_NUM_VOLTAGES 16
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#define AXP22X_IO_ENABLED 0x03
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#define AXP22X_IO_DISABLED 0x04
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#define AXP22X_WORKMODE_DCDCX_MASK(x) BIT_MASK(x)
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#define AXP22X_MISC_N_VBUSEN_FUNC BIT(4)
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#define AXP22X_DCDC1_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_DCDC2_V_OUT_MASK GENMASK(5, 0)
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#define AXP22X_DCDC3_V_OUT_MASK GENMASK(5, 0)
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#define AXP22X_DCDC4_V_OUT_MASK GENMASK(5, 0)
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#define AXP22X_DCDC5_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_DC5LDO_V_OUT_MASK GENMASK(2, 0)
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#define AXP22X_ALDO1_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_ALDO2_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_ALDO3_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_DLDO1_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_DLDO2_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_DLDO3_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_DLDO4_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_ELDO1_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_ELDO2_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_ELDO3_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_LDO_IO0_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_LDO_IO1_V_OUT_MASK GENMASK(4, 0)
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#define AXP22X_PWR_OUT_DC5LDO_MASK BIT_MASK(0)
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#define AXP22X_PWR_OUT_DCDC1_MASK BIT_MASK(1)
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#define AXP22X_PWR_OUT_DCDC2_MASK BIT_MASK(2)
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#define AXP22X_PWR_OUT_DCDC3_MASK BIT_MASK(3)
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#define AXP22X_PWR_OUT_DCDC4_MASK BIT_MASK(4)
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#define AXP22X_PWR_OUT_DCDC5_MASK BIT_MASK(5)
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#define AXP22X_PWR_OUT_ALDO1_MASK BIT_MASK(6)
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#define AXP22X_PWR_OUT_ALDO2_MASK BIT_MASK(7)
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#define AXP22X_PWR_OUT_SW_MASK BIT_MASK(6)
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#define AXP22X_PWR_OUT_DC1SW_MASK BIT_MASK(7)
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#define AXP22X_PWR_OUT_ELDO1_MASK BIT_MASK(0)
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#define AXP22X_PWR_OUT_ELDO2_MASK BIT_MASK(1)
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#define AXP22X_PWR_OUT_ELDO3_MASK BIT_MASK(2)
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#define AXP22X_PWR_OUT_DLDO1_MASK BIT_MASK(3)
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#define AXP22X_PWR_OUT_DLDO2_MASK BIT_MASK(4)
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#define AXP22X_PWR_OUT_DLDO3_MASK BIT_MASK(5)
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#define AXP22X_PWR_OUT_DLDO4_MASK BIT_MASK(6)
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#define AXP22X_PWR_OUT_ALDO3_MASK BIT_MASK(7)
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#define AXP803_PWR_OUT_DCDC1_MASK BIT_MASK(0)
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#define AXP803_PWR_OUT_DCDC2_MASK BIT_MASK(1)
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#define AXP803_PWR_OUT_DCDC3_MASK BIT_MASK(2)
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#define AXP803_PWR_OUT_DCDC4_MASK BIT_MASK(3)
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#define AXP803_PWR_OUT_DCDC5_MASK BIT_MASK(4)
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#define AXP803_PWR_OUT_DCDC6_MASK BIT_MASK(5)
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#define AXP803_PWR_OUT_FLDO1_MASK BIT_MASK(2)
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#define AXP803_PWR_OUT_FLDO2_MASK BIT_MASK(3)
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#define AXP803_DCDC1_V_OUT_MASK GENMASK(4, 0)
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#define AXP803_DCDC2_V_OUT_MASK GENMASK(6, 0)
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#define AXP803_DCDC3_V_OUT_MASK GENMASK(6, 0)
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#define AXP803_DCDC4_V_OUT_MASK GENMASK(6, 0)
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#define AXP803_DCDC5_V_OUT_MASK GENMASK(6, 0)
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#define AXP803_DCDC6_V_OUT_MASK GENMASK(6, 0)
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#define AXP803_FLDO1_V_OUT_MASK GENMASK(3, 0)
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#define AXP803_FLDO2_V_OUT_MASK GENMASK(3, 0)
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#define AXP803_DCDC23_POLYPHASE_DUAL BIT(6)
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#define AXP803_DCDC56_POLYPHASE_DUAL BIT(5)
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#define AXP803_DCDC234_500mV_START 0x00
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#define AXP803_DCDC234_500mV_STEPS 70
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#define AXP803_DCDC234_500mV_END \
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(AXP803_DCDC234_500mV_START + AXP803_DCDC234_500mV_STEPS)
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#define AXP803_DCDC234_1220mV_START 0x47
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#define AXP803_DCDC234_1220mV_STEPS 4
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#define AXP803_DCDC234_1220mV_END \
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(AXP803_DCDC234_1220mV_START + AXP803_DCDC234_1220mV_STEPS)
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#define AXP803_DCDC234_NUM_VOLTAGES 76
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#define AXP803_DCDC5_800mV_START 0x00
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#define AXP803_DCDC5_800mV_STEPS 32
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#define AXP803_DCDC5_800mV_END \
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(AXP803_DCDC5_800mV_START + AXP803_DCDC5_800mV_STEPS)
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#define AXP803_DCDC5_1140mV_START 0x21
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#define AXP803_DCDC5_1140mV_STEPS 35
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#define AXP803_DCDC5_1140mV_END \
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(AXP803_DCDC5_1140mV_START + AXP803_DCDC5_1140mV_STEPS)
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#define AXP803_DCDC5_NUM_VOLTAGES 69
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#define AXP803_DCDC6_600mV_START 0x00
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#define AXP803_DCDC6_600mV_STEPS 50
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#define AXP803_DCDC6_600mV_END \
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(AXP803_DCDC6_600mV_START + AXP803_DCDC6_600mV_STEPS)
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#define AXP803_DCDC6_1120mV_START 0x33
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#define AXP803_DCDC6_1120mV_STEPS 20
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#define AXP803_DCDC6_1120mV_END \
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(AXP803_DCDC6_1120mV_START + AXP803_DCDC6_1120mV_STEPS)
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#define AXP803_DCDC6_NUM_VOLTAGES 72
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#define AXP803_DLDO2_700mV_START 0x00
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#define AXP803_DLDO2_700mV_STEPS 26
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#define AXP803_DLDO2_700mV_END \
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(AXP803_DLDO2_700mV_START + AXP803_DLDO2_700mV_STEPS)
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#define AXP803_DLDO2_3400mV_START 0x1b
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#define AXP803_DLDO2_3400mV_STEPS 4
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#define AXP803_DLDO2_3400mV_END \
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(AXP803_DLDO2_3400mV_START + AXP803_DLDO2_3400mV_STEPS)
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#define AXP803_DLDO2_NUM_VOLTAGES 32
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#define AXP806_DCDCA_V_CTRL_MASK GENMASK(6, 0)
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#define AXP806_DCDCB_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_DCDCC_V_CTRL_MASK GENMASK(6, 0)
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#define AXP806_DCDCD_V_CTRL_MASK GENMASK(5, 0)
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#define AXP806_DCDCE_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_ALDO1_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_ALDO2_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_ALDO3_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_BLDO1_V_CTRL_MASK GENMASK(3, 0)
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#define AXP806_BLDO2_V_CTRL_MASK GENMASK(3, 0)
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#define AXP806_BLDO3_V_CTRL_MASK GENMASK(3, 0)
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#define AXP806_BLDO4_V_CTRL_MASK GENMASK(3, 0)
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#define AXP806_CLDO1_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_CLDO2_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_CLDO3_V_CTRL_MASK GENMASK(4, 0)
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#define AXP806_PWR_OUT_DCDCA_MASK BIT_MASK(0)
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#define AXP806_PWR_OUT_DCDCB_MASK BIT_MASK(1)
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#define AXP806_PWR_OUT_DCDCC_MASK BIT_MASK(2)
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#define AXP806_PWR_OUT_DCDCD_MASK BIT_MASK(3)
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#define AXP806_PWR_OUT_DCDCE_MASK BIT_MASK(4)
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#define AXP806_PWR_OUT_ALDO1_MASK BIT_MASK(5)
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#define AXP806_PWR_OUT_ALDO2_MASK BIT_MASK(6)
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#define AXP806_PWR_OUT_ALDO3_MASK BIT_MASK(7)
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#define AXP806_PWR_OUT_BLDO1_MASK BIT_MASK(0)
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#define AXP806_PWR_OUT_BLDO2_MASK BIT_MASK(1)
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#define AXP806_PWR_OUT_BLDO3_MASK BIT_MASK(2)
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#define AXP806_PWR_OUT_BLDO4_MASK BIT_MASK(3)
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#define AXP806_PWR_OUT_CLDO1_MASK BIT_MASK(4)
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#define AXP806_PWR_OUT_CLDO2_MASK BIT_MASK(5)
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#define AXP806_PWR_OUT_CLDO3_MASK BIT_MASK(6)
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#define AXP806_PWR_OUT_SW_MASK BIT_MASK(7)
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#define AXP806_DCDCAB_POLYPHASE_DUAL 0x40
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#define AXP806_DCDCABC_POLYPHASE_TRI 0x80
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#define AXP806_DCDCABC_POLYPHASE_MASK GENMASK(7, 6)
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#define AXP806_DCDCDE_POLYPHASE_DUAL BIT(5)
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#define AXP806_DCDCA_600mV_START 0x00
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#define AXP806_DCDCA_600mV_STEPS 50
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#define AXP806_DCDCA_600mV_END \
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(AXP806_DCDCA_600mV_START + AXP806_DCDCA_600mV_STEPS)
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#define AXP806_DCDCA_1120mV_START 0x33
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#define AXP806_DCDCA_1120mV_STEPS 20
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#define AXP806_DCDCA_1120mV_END \
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(AXP806_DCDCA_1120mV_START + AXP806_DCDCA_1120mV_STEPS)
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#define AXP806_DCDCA_NUM_VOLTAGES 72
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#define AXP806_DCDCD_600mV_START 0x00
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#define AXP806_DCDCD_600mV_STEPS 45
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#define AXP806_DCDCD_600mV_END \
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(AXP806_DCDCD_600mV_START + AXP806_DCDCD_600mV_STEPS)
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#define AXP806_DCDCD_1600mV_START 0x2e
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#define AXP806_DCDCD_1600mV_STEPS 17
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#define AXP806_DCDCD_1600mV_END \
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(AXP806_DCDCD_1600mV_START + AXP806_DCDCD_1600mV_STEPS)
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#define AXP806_DCDCD_NUM_VOLTAGES 64
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#define AXP809_DCDC4_600mV_START 0x00
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#define AXP809_DCDC4_600mV_STEPS 47
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#define AXP809_DCDC4_600mV_END \
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(AXP809_DCDC4_600mV_START + AXP809_DCDC4_600mV_STEPS)
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#define AXP809_DCDC4_1800mV_START 0x30
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#define AXP809_DCDC4_1800mV_STEPS 8
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#define AXP809_DCDC4_1800mV_END \
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(AXP809_DCDC4_1800mV_START + AXP809_DCDC4_1800mV_STEPS)
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#define AXP809_DCDC4_NUM_VOLTAGES 57
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#define AXP813_DCDC7_V_OUT_MASK GENMASK(6, 0)
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#define AXP813_PWR_OUT_DCDC7_MASK BIT_MASK(6)
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#define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg, \
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_vmask, _ereg, _emask, _enable_val, _disable_val) \
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[_family##_##_id] = { \
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.name = (_match), \
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.supply_name = (_supply), \
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.of_match = of_match_ptr(_match), \
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.regulators_node = of_match_ptr("regulators"), \
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.type = REGULATOR_VOLTAGE, \
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.id = _family##_##_id, \
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.n_voltages = (((_max) - (_min)) / (_step) + 1), \
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.owner = THIS_MODULE, \
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.min_uV = (_min) * 1000, \
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.uV_step = (_step) * 1000, \
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.vsel_reg = (_vreg), \
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.vsel_mask = (_vmask), \
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.enable_reg = (_ereg), \
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.enable_mask = (_emask), \
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.enable_val = (_enable_val), \
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.disable_val = (_disable_val), \
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.ops = &axp20x_ops, \
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}
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#define AXP_DESC(_family, _id, _match, _supply, _min, _max, _step, _vreg, \
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_vmask, _ereg, _emask) \
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[_family##_##_id] = { \
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.name = (_match), \
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.supply_name = (_supply), \
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.of_match = of_match_ptr(_match), \
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.regulators_node = of_match_ptr("regulators"), \
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.type = REGULATOR_VOLTAGE, \
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.id = _family##_##_id, \
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.n_voltages = (((_max) - (_min)) / (_step) + 1), \
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.owner = THIS_MODULE, \
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.min_uV = (_min) * 1000, \
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.uV_step = (_step) * 1000, \
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.vsel_reg = (_vreg), \
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.vsel_mask = (_vmask), \
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.enable_reg = (_ereg), \
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.enable_mask = (_emask), \
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.ops = &axp20x_ops, \
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}
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#define AXP_DESC_SW(_family, _id, _match, _supply, _ereg, _emask) \
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[_family##_##_id] = { \
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.name = (_match), \
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.supply_name = (_supply), \
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.of_match = of_match_ptr(_match), \
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.regulators_node = of_match_ptr("regulators"), \
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.type = REGULATOR_VOLTAGE, \
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.id = _family##_##_id, \
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.owner = THIS_MODULE, \
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.enable_reg = (_ereg), \
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.enable_mask = (_emask), \
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|
.ops = &axp20x_ops_sw, \
|
|
}
|
|
|
|
#define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \
|
|
[_family##_##_id] = { \
|
|
.name = (_match), \
|
|
.supply_name = (_supply), \
|
|
.of_match = of_match_ptr(_match), \
|
|
.regulators_node = of_match_ptr("regulators"), \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.id = _family##_##_id, \
|
|
.n_voltages = 1, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = (_volt) * 1000, \
|
|
.ops = &axp20x_ops_fixed \
|
|
}
|
|
|
|
#define AXP_DESC_RANGES(_family, _id, _match, _supply, _ranges, _n_voltages, \
|
|
_vreg, _vmask, _ereg, _emask) \
|
|
[_family##_##_id] = { \
|
|
.name = (_match), \
|
|
.supply_name = (_supply), \
|
|
.of_match = of_match_ptr(_match), \
|
|
.regulators_node = of_match_ptr("regulators"), \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.id = _family##_##_id, \
|
|
.n_voltages = (_n_voltages), \
|
|
.owner = THIS_MODULE, \
|
|
.vsel_reg = (_vreg), \
|
|
.vsel_mask = (_vmask), \
|
|
.enable_reg = (_ereg), \
|
|
.enable_mask = (_emask), \
|
|
.linear_ranges = (_ranges), \
|
|
.n_linear_ranges = ARRAY_SIZE(_ranges), \
|
|
.ops = &axp20x_ops_range, \
|
|
}
|
|
|
|
static const int axp209_dcdc2_ldo3_slew_rates[] = {
|
|
1600,
|
|
800,
|
|
};
|
|
|
|
static int axp20x_set_ramp_delay(struct regulator_dev *rdev, int ramp)
|
|
{
|
|
struct axp20x_dev *axp20x = rdev_get_drvdata(rdev);
|
|
int id = rdev_get_id(rdev);
|
|
u8 reg, mask, enable, cfg = 0xff;
|
|
const int *slew_rates;
|
|
int rate_count = 0;
|
|
|
|
switch (axp20x->variant) {
|
|
case AXP209_ID:
|
|
if (id == AXP20X_DCDC2) {
|
|
slew_rates = axp209_dcdc2_ldo3_slew_rates;
|
|
rate_count = ARRAY_SIZE(axp209_dcdc2_ldo3_slew_rates);
|
|
reg = AXP20X_DCDC2_LDO3_V_RAMP;
|
|
mask = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE_MASK |
|
|
AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN_MASK;
|
|
enable = (ramp > 0) ?
|
|
AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN : 0;
|
|
break;
|
|
}
|
|
|
|
if (id == AXP20X_LDO3) {
|
|
slew_rates = axp209_dcdc2_ldo3_slew_rates;
|
|
rate_count = ARRAY_SIZE(axp209_dcdc2_ldo3_slew_rates);
|
|
reg = AXP20X_DCDC2_LDO3_V_RAMP;
|
|
mask = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE_MASK |
|
|
AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN_MASK;
|
|
enable = (ramp > 0) ?
|
|
AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN : 0;
|
|
break;
|
|
}
|
|
|
|
if (rate_count > 0)
|
|
break;
|
|
|
|
fallthrough;
|
|
default:
|
|
/* Not supported for this regulator */
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
if (ramp == 0) {
|
|
cfg = enable;
|
|
} else {
|
|
int i;
|
|
|
|
for (i = 0; i < rate_count; i++) {
|
|
if (ramp > slew_rates[i])
|
|
break;
|
|
|
|
if (id == AXP20X_DCDC2)
|
|
cfg = AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_RATE(i);
|
|
else
|
|
cfg = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(i);
|
|
}
|
|
|
|
if (cfg == 0xff) {
|
|
dev_err(axp20x->dev, "unsupported ramp value %d", ramp);
|
|
return -EINVAL;
|
|
}
|
|
|
|
cfg |= enable;
|
|
}
|
|
|
|
return regmap_update_bits(axp20x->regmap, reg, mask, cfg);
|
|
}
|
|
|
|
static int axp20x_regulator_enable_regmap(struct regulator_dev *rdev)
|
|
{
|
|
struct axp20x_dev *axp20x = rdev_get_drvdata(rdev);
|
|
int id = rdev_get_id(rdev);
|
|
|
|
switch (axp20x->variant) {
|
|
case AXP209_ID:
|
|
if ((id == AXP20X_LDO3) &&
|
|
rdev->constraints && rdev->constraints->soft_start) {
|
|
int v_out;
|
|
int ret;
|
|
|
|
/*
|
|
* On some boards, the LDO3 can be overloaded when
|
|
* turning on, causing the entire PMIC to shutdown
|
|
* without warning. Turning it on at the minimal voltage
|
|
* and then setting the voltage to the requested value
|
|
* works reliably.
|
|
*/
|
|
if (regulator_is_enabled_regmap(rdev))
|
|
break;
|
|
|
|
v_out = regulator_get_voltage_sel_regmap(rdev);
|
|
if (v_out < 0)
|
|
return v_out;
|
|
|
|
if (v_out == 0)
|
|
break;
|
|
|
|
ret = regulator_set_voltage_sel_regmap(rdev, 0x00);
|
|
/*
|
|
* A small pause is needed between
|
|
* setting the voltage and enabling the LDO to give the
|
|
* internal state machine time to process the request.
|
|
*/
|
|
usleep_range(1000, 5000);
|
|
ret |= regulator_enable_regmap(rdev);
|
|
ret |= regulator_set_voltage_sel_regmap(rdev, v_out);
|
|
|
|
return ret;
|
|
}
|
|
break;
|
|
default:
|
|
/* No quirks */
|
|
break;
|
|
}
|
|
|
|
return regulator_enable_regmap(rdev);
|
|
};
|
|
|
|
static const struct regulator_ops axp20x_ops_fixed = {
|
|
.list_voltage = regulator_list_voltage_linear,
|
|
};
|
|
|
|
static const struct regulator_ops axp20x_ops_range = {
|
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
.list_voltage = regulator_list_voltage_linear_range,
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
};
|
|
|
|
static const struct regulator_ops axp20x_ops = {
|
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
|
.list_voltage = regulator_list_voltage_linear,
|
|
.enable = axp20x_regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.set_ramp_delay = axp20x_set_ramp_delay,
|
|
};
|
|
|
|
static const struct regulator_ops axp20x_ops_sw = {
|
|
.enable = regulator_enable_regmap,
|
|
.disable = regulator_disable_regmap,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
};
|
|
|
|
static const struct linear_range axp20x_ldo4_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(1250000,
|
|
AXP20X_LDO4_V_OUT_1250mV_START,
|
|
AXP20X_LDO4_V_OUT_1250mV_END,
|
|
0),
|
|
REGULATOR_LINEAR_RANGE(1300000,
|
|
AXP20X_LDO4_V_OUT_1300mV_START,
|
|
AXP20X_LDO4_V_OUT_1300mV_END,
|
|
100000),
|
|
REGULATOR_LINEAR_RANGE(2500000,
|
|
AXP20X_LDO4_V_OUT_2500mV_START,
|
|
AXP20X_LDO4_V_OUT_2500mV_END,
|
|
0),
|
|
REGULATOR_LINEAR_RANGE(2700000,
|
|
AXP20X_LDO4_V_OUT_2700mV_START,
|
|
AXP20X_LDO4_V_OUT_2700mV_END,
|
|
100000),
|
|
REGULATOR_LINEAR_RANGE(3000000,
|
|
AXP20X_LDO4_V_OUT_3000mV_START,
|
|
AXP20X_LDO4_V_OUT_3000mV_END,
|
|
100000),
|
|
};
|
|
|
|
static const struct regulator_desc axp20x_regulators[] = {
|
|
AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25,
|
|
AXP20X_DCDC2_V_OUT, AXP20X_DCDC2_V_OUT_MASK,
|
|
AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC2_MASK),
|
|
AXP_DESC(AXP20X, DCDC3, "dcdc3", "vin3", 700, 3500, 25,
|
|
AXP20X_DCDC3_V_OUT, AXP20X_DCDC3_V_OUT_MASK,
|
|
AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_DCDC3_MASK),
|
|
AXP_DESC_FIXED(AXP20X, LDO1, "ldo1", "acin", 1300),
|
|
AXP_DESC(AXP20X, LDO2, "ldo2", "ldo24in", 1800, 3300, 100,
|
|
AXP20X_LDO24_V_OUT, AXP20X_LDO2_V_OUT_MASK,
|
|
AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO2_MASK),
|
|
AXP_DESC(AXP20X, LDO3, "ldo3", "ldo3in", 700, 3500, 25,
|
|
AXP20X_LDO3_V_OUT, AXP20X_LDO3_V_OUT_MASK,
|
|
AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO3_MASK),
|
|
AXP_DESC_RANGES(AXP20X, LDO4, "ldo4", "ldo24in",
|
|
axp20x_ldo4_ranges, AXP20X_LDO4_V_OUT_NUM_VOLTAGES,
|
|
AXP20X_LDO24_V_OUT, AXP20X_LDO4_V_OUT_MASK,
|
|
AXP20X_PWR_OUT_CTRL, AXP20X_PWR_OUT_LDO4_MASK),
|
|
AXP_DESC_IO(AXP20X, LDO5, "ldo5", "ldo5in", 1800, 3300, 100,
|
|
AXP20X_LDO5_V_OUT, AXP20X_LDO5_V_OUT_MASK,
|
|
AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
|
|
AXP20X_IO_ENABLED, AXP20X_IO_DISABLED),
|
|
};
|
|
|
|
static const struct regulator_desc axp22x_regulators[] = {
|
|
AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
|
|
AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK),
|
|
AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
|
|
AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK),
|
|
AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
|
|
AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK),
|
|
AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20,
|
|
AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK),
|
|
AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
|
|
AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK),
|
|
/* secondary switchable output of DCDC1 */
|
|
AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", NULL,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
|
|
/* LDO regulator internally chained to DCDC5 */
|
|
AXP_DESC(AXP22X, DC5LDO, "dc5ldo", NULL, 700, 1400, 100,
|
|
AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK),
|
|
AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK),
|
|
AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK),
|
|
AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP22X_PWR_OUT_ALDO3_MASK),
|
|
AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
|
|
AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
|
|
AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK),
|
|
AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK),
|
|
AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
|
|
AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
|
|
AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
|
|
AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK),
|
|
AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
|
|
AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
|
|
/* Note the datasheet only guarantees reliable operation up to
|
|
* 3.3V, this needs to be enforced via dts provided constraints */
|
|
AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100,
|
|
AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
|
|
AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
/* Note the datasheet only guarantees reliable operation up to
|
|
* 3.3V, this needs to be enforced via dts provided constraints */
|
|
AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100,
|
|
AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
|
|
AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000),
|
|
};
|
|
|
|
static const struct regulator_desc axp22x_drivevbus_regulator = {
|
|
.name = "drivevbus",
|
|
.supply_name = "drivevbus",
|
|
.of_match = of_match_ptr("drivevbus"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.type = REGULATOR_VOLTAGE,
|
|
.owner = THIS_MODULE,
|
|
.enable_reg = AXP20X_VBUS_IPSOUT_MGMT,
|
|
.enable_mask = AXP20X_VBUS_IPSOUT_MGMT_MASK,
|
|
.ops = &axp20x_ops_sw,
|
|
};
|
|
|
|
/* DCDC ranges shared with AXP813 */
|
|
static const struct linear_range axp803_dcdc234_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(500000,
|
|
AXP803_DCDC234_500mV_START,
|
|
AXP803_DCDC234_500mV_END,
|
|
10000),
|
|
REGULATOR_LINEAR_RANGE(1220000,
|
|
AXP803_DCDC234_1220mV_START,
|
|
AXP803_DCDC234_1220mV_END,
|
|
20000),
|
|
};
|
|
|
|
static const struct linear_range axp803_dcdc5_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(800000,
|
|
AXP803_DCDC5_800mV_START,
|
|
AXP803_DCDC5_800mV_END,
|
|
10000),
|
|
REGULATOR_LINEAR_RANGE(1140000,
|
|
AXP803_DCDC5_1140mV_START,
|
|
AXP803_DCDC5_1140mV_END,
|
|
20000),
|
|
};
|
|
|
|
static const struct linear_range axp803_dcdc6_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(600000,
|
|
AXP803_DCDC6_600mV_START,
|
|
AXP803_DCDC6_600mV_END,
|
|
10000),
|
|
REGULATOR_LINEAR_RANGE(1120000,
|
|
AXP803_DCDC6_1120mV_START,
|
|
AXP803_DCDC6_1120mV_END,
|
|
20000),
|
|
};
|
|
|
|
/* AXP806's CLDO2 and AXP809's DLDO1 share the same range */
|
|
static const struct linear_range axp803_dldo2_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(700000,
|
|
AXP803_DLDO2_700mV_START,
|
|
AXP803_DLDO2_700mV_END,
|
|
100000),
|
|
REGULATOR_LINEAR_RANGE(3400000,
|
|
AXP803_DLDO2_3400mV_START,
|
|
AXP803_DLDO2_3400mV_END,
|
|
200000),
|
|
};
|
|
|
|
static const struct regulator_desc axp803_regulators[] = {
|
|
AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
|
|
AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK),
|
|
AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2",
|
|
axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
|
|
AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK),
|
|
AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3",
|
|
axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
|
|
AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK),
|
|
AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4",
|
|
axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
|
|
AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK),
|
|
AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5",
|
|
axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES,
|
|
AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK),
|
|
AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6",
|
|
axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES,
|
|
AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK),
|
|
/* secondary switchable output of DCDC1 */
|
|
AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
|
|
AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK),
|
|
AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK),
|
|
AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK),
|
|
AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
|
|
AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin",
|
|
axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
|
|
AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
|
|
AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK),
|
|
AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK),
|
|
AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50,
|
|
AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
|
|
AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50,
|
|
AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK),
|
|
AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50,
|
|
AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
|
|
AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50,
|
|
AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK),
|
|
AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50,
|
|
AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK),
|
|
AXP_DESC_IO(AXP803, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100,
|
|
AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
|
|
AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
AXP_DESC_IO(AXP803, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100,
|
|
AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
|
|
AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000),
|
|
};
|
|
|
|
static const struct linear_range axp806_dcdca_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(600000,
|
|
AXP806_DCDCA_600mV_START,
|
|
AXP806_DCDCA_600mV_END,
|
|
10000),
|
|
REGULATOR_LINEAR_RANGE(1120000,
|
|
AXP806_DCDCA_1120mV_START,
|
|
AXP806_DCDCA_1120mV_END,
|
|
20000),
|
|
};
|
|
|
|
static const struct linear_range axp806_dcdcd_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(600000,
|
|
AXP806_DCDCD_600mV_START,
|
|
AXP806_DCDCD_600mV_END,
|
|
20000),
|
|
REGULATOR_LINEAR_RANGE(1600000,
|
|
AXP806_DCDCD_1600mV_START,
|
|
AXP806_DCDCD_1600mV_END,
|
|
100000),
|
|
};
|
|
|
|
static const struct regulator_desc axp806_regulators[] = {
|
|
AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina",
|
|
axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES,
|
|
AXP806_DCDCA_V_CTRL, AXP806_DCDCA_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCA_MASK),
|
|
AXP_DESC(AXP806, DCDCB, "dcdcb", "vinb", 1000, 2550, 50,
|
|
AXP806_DCDCB_V_CTRL, AXP806_DCDCB_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCB_MASK),
|
|
AXP_DESC_RANGES(AXP806, DCDCC, "dcdcc", "vinc",
|
|
axp806_dcdca_ranges, AXP806_DCDCA_NUM_VOLTAGES,
|
|
AXP806_DCDCC_V_CTRL, AXP806_DCDCC_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCC_MASK),
|
|
AXP_DESC_RANGES(AXP806, DCDCD, "dcdcd", "vind",
|
|
axp806_dcdcd_ranges, AXP806_DCDCD_NUM_VOLTAGES,
|
|
AXP806_DCDCD_V_CTRL, AXP806_DCDCD_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCD_MASK),
|
|
AXP_DESC(AXP806, DCDCE, "dcdce", "vine", 1100, 3400, 100,
|
|
AXP806_DCDCE_V_CTRL, AXP806_DCDCE_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_DCDCE_MASK),
|
|
AXP_DESC(AXP806, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
|
|
AXP806_ALDO1_V_CTRL, AXP806_ALDO1_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO1_MASK),
|
|
AXP_DESC(AXP806, ALDO2, "aldo2", "aldoin", 700, 3400, 100,
|
|
AXP806_ALDO2_V_CTRL, AXP806_ALDO2_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO2_MASK),
|
|
AXP_DESC(AXP806, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
|
|
AXP806_ALDO3_V_CTRL, AXP806_ALDO3_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL1, AXP806_PWR_OUT_ALDO3_MASK),
|
|
AXP_DESC(AXP806, BLDO1, "bldo1", "bldoin", 700, 1900, 100,
|
|
AXP806_BLDO1_V_CTRL, AXP806_BLDO1_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO1_MASK),
|
|
AXP_DESC(AXP806, BLDO2, "bldo2", "bldoin", 700, 1900, 100,
|
|
AXP806_BLDO2_V_CTRL, AXP806_BLDO2_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO2_MASK),
|
|
AXP_DESC(AXP806, BLDO3, "bldo3", "bldoin", 700, 1900, 100,
|
|
AXP806_BLDO3_V_CTRL, AXP806_BLDO3_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO3_MASK),
|
|
AXP_DESC(AXP806, BLDO4, "bldo4", "bldoin", 700, 1900, 100,
|
|
AXP806_BLDO4_V_CTRL, AXP806_BLDO4_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_BLDO4_MASK),
|
|
AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100,
|
|
AXP806_CLDO1_V_CTRL, AXP806_CLDO1_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO1_MASK),
|
|
AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin",
|
|
axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
|
|
AXP806_CLDO2_V_CTRL, AXP806_CLDO2_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO2_MASK),
|
|
AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100,
|
|
AXP806_CLDO3_V_CTRL, AXP806_CLDO3_V_CTRL_MASK,
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_CLDO3_MASK),
|
|
AXP_DESC_SW(AXP806, SW, "sw", "swin",
|
|
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_SW_MASK),
|
|
};
|
|
|
|
static const struct linear_range axp809_dcdc4_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(600000,
|
|
AXP809_DCDC4_600mV_START,
|
|
AXP809_DCDC4_600mV_END,
|
|
20000),
|
|
REGULATOR_LINEAR_RANGE(1800000,
|
|
AXP809_DCDC4_1800mV_START,
|
|
AXP809_DCDC4_1800mV_END,
|
|
100000),
|
|
};
|
|
|
|
static const struct regulator_desc axp809_regulators[] = {
|
|
AXP_DESC(AXP809, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
|
|
AXP22X_DCDC1_V_OUT, AXP22X_DCDC1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC1_MASK),
|
|
AXP_DESC(AXP809, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
|
|
AXP22X_DCDC2_V_OUT, AXP22X_DCDC2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC2_MASK),
|
|
AXP_DESC(AXP809, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
|
|
AXP22X_DCDC3_V_OUT, AXP22X_DCDC3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC3_MASK),
|
|
AXP_DESC_RANGES(AXP809, DCDC4, "dcdc4", "vin4",
|
|
axp809_dcdc4_ranges, AXP809_DCDC4_NUM_VOLTAGES,
|
|
AXP22X_DCDC4_V_OUT, AXP22X_DCDC4_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC4_MASK),
|
|
AXP_DESC(AXP809, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
|
|
AXP22X_DCDC5_V_OUT, AXP22X_DCDC5_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DCDC5_MASK),
|
|
/* secondary switchable output of DCDC1 */
|
|
AXP_DESC_SW(AXP809, DC1SW, "dc1sw", NULL,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
|
|
/* LDO regulator internally chained to DCDC5 */
|
|
AXP_DESC(AXP809, DC5LDO, "dc5ldo", NULL, 700, 1400, 100,
|
|
AXP22X_DC5LDO_V_OUT, AXP22X_DC5LDO_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_DC5LDO_MASK),
|
|
AXP_DESC(AXP809, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO1_MASK),
|
|
AXP_DESC(AXP809, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP22X_PWR_OUT_ALDO2_MASK),
|
|
AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ALDO3_MASK),
|
|
AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin",
|
|
axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
|
|
AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
|
|
AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
|
|
AXP_DESC(AXP809, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
|
|
AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
|
|
AXP_DESC(AXP809, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
|
|
AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK),
|
|
AXP_DESC(AXP809, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
|
|
AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
|
|
/*
|
|
* Note the datasheet only guarantees reliable operation up to
|
|
* 3.3V, this needs to be enforced via dts provided constraints
|
|
*/
|
|
AXP_DESC_IO(AXP809, LDO_IO0, "ldo_io0", "ips", 700, 3800, 100,
|
|
AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
|
|
AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
/*
|
|
* Note the datasheet only guarantees reliable operation up to
|
|
* 3.3V, this needs to be enforced via dts provided constraints
|
|
*/
|
|
AXP_DESC_IO(AXP809, LDO_IO1, "ldo_io1", "ips", 700, 3800, 100,
|
|
AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
|
|
AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
AXP_DESC_FIXED(AXP809, RTC_LDO, "rtc_ldo", "ips", 1800),
|
|
AXP_DESC_SW(AXP809, SW, "sw", "swin",
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_SW_MASK),
|
|
};
|
|
|
|
static const struct regulator_desc axp813_regulators[] = {
|
|
AXP_DESC(AXP813, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
|
|
AXP803_DCDC1_V_OUT, AXP803_DCDC1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC1_MASK),
|
|
AXP_DESC_RANGES(AXP813, DCDC2, "dcdc2", "vin2",
|
|
axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
|
|
AXP803_DCDC2_V_OUT, AXP803_DCDC2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC2_MASK),
|
|
AXP_DESC_RANGES(AXP813, DCDC3, "dcdc3", "vin3",
|
|
axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
|
|
AXP803_DCDC3_V_OUT, AXP803_DCDC3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC3_MASK),
|
|
AXP_DESC_RANGES(AXP813, DCDC4, "dcdc4", "vin4",
|
|
axp803_dcdc234_ranges, AXP803_DCDC234_NUM_VOLTAGES,
|
|
AXP803_DCDC4_V_OUT, AXP803_DCDC4_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC4_MASK),
|
|
AXP_DESC_RANGES(AXP813, DCDC5, "dcdc5", "vin5",
|
|
axp803_dcdc5_ranges, AXP803_DCDC5_NUM_VOLTAGES,
|
|
AXP803_DCDC5_V_OUT, AXP803_DCDC5_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC5_MASK),
|
|
AXP_DESC_RANGES(AXP813, DCDC6, "dcdc6", "vin6",
|
|
axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES,
|
|
AXP803_DCDC6_V_OUT, AXP803_DCDC6_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP803_PWR_OUT_DCDC6_MASK),
|
|
AXP_DESC_RANGES(AXP813, DCDC7, "dcdc7", "vin7",
|
|
axp803_dcdc6_ranges, AXP803_DCDC6_NUM_VOLTAGES,
|
|
AXP813_DCDC7_V_OUT, AXP813_DCDC7_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL1, AXP813_PWR_OUT_DCDC7_MASK),
|
|
AXP_DESC(AXP813, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO1_V_OUT, AXP22X_ALDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO1_MASK),
|
|
AXP_DESC(AXP813, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO2_V_OUT, AXP22X_ALDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO2_MASK),
|
|
AXP_DESC(AXP813, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
|
|
AXP22X_ALDO3_V_OUT, AXP22X_ALDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP806_PWR_OUT_ALDO3_MASK),
|
|
AXP_DESC(AXP813, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO1_V_OUT, AXP22X_DLDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO1_MASK),
|
|
AXP_DESC_RANGES(AXP813, DLDO2, "dldo2", "dldoin",
|
|
axp803_dldo2_ranges, AXP803_DLDO2_NUM_VOLTAGES,
|
|
AXP22X_DLDO2_V_OUT, AXP22X_DLDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO2_MASK),
|
|
AXP_DESC(AXP813, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO3_V_OUT, AXP22X_DLDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO3_MASK),
|
|
AXP_DESC(AXP813, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
|
|
AXP22X_DLDO4_V_OUT, AXP22X_DLDO4_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DLDO4_MASK),
|
|
AXP_DESC(AXP813, ELDO1, "eldo1", "eldoin", 700, 1900, 50,
|
|
AXP22X_ELDO1_V_OUT, AXP22X_ELDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO1_MASK),
|
|
AXP_DESC(AXP813, ELDO2, "eldo2", "eldoin", 700, 1900, 50,
|
|
AXP22X_ELDO2_V_OUT, AXP22X_ELDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO2_MASK),
|
|
AXP_DESC(AXP813, ELDO3, "eldo3", "eldoin", 700, 1900, 50,
|
|
AXP22X_ELDO3_V_OUT, AXP22X_ELDO3_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_ELDO3_MASK),
|
|
/* to do / check ... */
|
|
AXP_DESC(AXP813, FLDO1, "fldo1", "fldoin", 700, 1450, 50,
|
|
AXP803_FLDO1_V_OUT, AXP803_FLDO1_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO1_MASK),
|
|
AXP_DESC(AXP813, FLDO2, "fldo2", "fldoin", 700, 1450, 50,
|
|
AXP803_FLDO2_V_OUT, AXP803_FLDO2_V_OUT_MASK,
|
|
AXP22X_PWR_OUT_CTRL3, AXP803_PWR_OUT_FLDO2_MASK),
|
|
/*
|
|
* TODO: FLDO3 = {DCDC5, FLDOIN} / 2
|
|
*
|
|
* This means FLDO3 effectively switches supplies at runtime,
|
|
* something the regulator subsystem does not support.
|
|
*/
|
|
AXP_DESC_FIXED(AXP813, RTC_LDO, "rtc-ldo", "ips", 1800),
|
|
AXP_DESC_IO(AXP813, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100,
|
|
AXP22X_LDO_IO0_V_OUT, AXP22X_LDO_IO0_V_OUT_MASK,
|
|
AXP20X_GPIO0_CTRL, AXP20X_GPIO0_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
AXP_DESC_IO(AXP813, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100,
|
|
AXP22X_LDO_IO1_V_OUT, AXP22X_LDO_IO1_V_OUT_MASK,
|
|
AXP20X_GPIO1_CTRL, AXP20X_GPIO1_FUNC_MASK,
|
|
AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
|
|
AXP_DESC_SW(AXP813, SW, "sw", "swin",
|
|
AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
|
|
};
|
|
|
|
static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
|
|
{
|
|
struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
|
|
unsigned int reg = AXP20X_DCDC_FREQ;
|
|
u32 min, max, def, step;
|
|
|
|
switch (axp20x->variant) {
|
|
case AXP202_ID:
|
|
case AXP209_ID:
|
|
min = 750;
|
|
max = 1875;
|
|
def = 1500;
|
|
step = 75;
|
|
break;
|
|
case AXP803_ID:
|
|
case AXP813_ID:
|
|
/*
|
|
* AXP803/AXP813 DCDC work frequency setting has the same
|
|
* range and step as AXP22X, but at a different register.
|
|
* (See include/linux/mfd/axp20x.h)
|
|
*/
|
|
reg = AXP803_DCDC_FREQ_CTRL;
|
|
fallthrough; /* to the check below */
|
|
case AXP806_ID:
|
|
/*
|
|
* AXP806 also have DCDC work frequency setting register at a
|
|
* different position.
|
|
*/
|
|
if (axp20x->variant == AXP806_ID)
|
|
reg = AXP806_DCDC_FREQ_CTRL;
|
|
fallthrough;
|
|
case AXP221_ID:
|
|
case AXP223_ID:
|
|
case AXP809_ID:
|
|
min = 1800;
|
|
max = 4050;
|
|
def = 3000;
|
|
step = 150;
|
|
break;
|
|
default:
|
|
dev_err(&pdev->dev,
|
|
"Setting DCDC frequency for unsupported AXP variant\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (dcdcfreq == 0)
|
|
dcdcfreq = def;
|
|
|
|
if (dcdcfreq < min) {
|
|
dcdcfreq = min;
|
|
dev_warn(&pdev->dev, "DCDC frequency too low. Set to %ukHz\n",
|
|
min);
|
|
}
|
|
|
|
if (dcdcfreq > max) {
|
|
dcdcfreq = max;
|
|
dev_warn(&pdev->dev, "DCDC frequency too high. Set to %ukHz\n",
|
|
max);
|
|
}
|
|
|
|
dcdcfreq = (dcdcfreq - min) / step;
|
|
|
|
return regmap_update_bits(axp20x->regmap, reg,
|
|
AXP20X_FREQ_DCDC_MASK, dcdcfreq);
|
|
}
|
|
|
|
static int axp20x_regulator_parse_dt(struct platform_device *pdev)
|
|
{
|
|
struct device_node *np, *regulators;
|
|
int ret = 0;
|
|
u32 dcdcfreq = 0;
|
|
|
|
np = of_node_get(pdev->dev.parent->of_node);
|
|
if (!np)
|
|
return 0;
|
|
|
|
regulators = of_get_child_by_name(np, "regulators");
|
|
if (!regulators) {
|
|
dev_warn(&pdev->dev, "regulators node not found\n");
|
|
} else {
|
|
of_property_read_u32(regulators, "x-powers,dcdc-freq", &dcdcfreq);
|
|
ret = axp20x_set_dcdc_freq(pdev, dcdcfreq);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret);
|
|
}
|
|
of_node_put(regulators);
|
|
}
|
|
|
|
of_node_put(np);
|
|
return ret;
|
|
}
|
|
|
|
static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode)
|
|
{
|
|
struct axp20x_dev *axp20x = rdev_get_drvdata(rdev);
|
|
unsigned int reg = AXP20X_DCDC_MODE;
|
|
unsigned int mask;
|
|
|
|
switch (axp20x->variant) {
|
|
case AXP202_ID:
|
|
case AXP209_ID:
|
|
if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3))
|
|
return -EINVAL;
|
|
|
|
mask = AXP20X_WORKMODE_DCDC2_MASK;
|
|
if (id == AXP20X_DCDC3)
|
|
mask = AXP20X_WORKMODE_DCDC3_MASK;
|
|
|
|
workmode <<= ffs(mask) - 1;
|
|
break;
|
|
|
|
case AXP806_ID:
|
|
/*
|
|
* AXP806 DCDC regulator IDs have the same range as AXP22X.
|
|
* (See include/linux/mfd/axp20x.h)
|
|
*/
|
|
reg = AXP806_DCDC_MODE_CTRL2;
|
|
fallthrough; /* to the check below */
|
|
case AXP221_ID:
|
|
case AXP223_ID:
|
|
case AXP809_ID:
|
|
if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5)
|
|
return -EINVAL;
|
|
|
|
mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1);
|
|
workmode <<= id - AXP22X_DCDC1;
|
|
break;
|
|
|
|
case AXP803_ID:
|
|
if (id < AXP803_DCDC1 || id > AXP803_DCDC6)
|
|
return -EINVAL;
|
|
|
|
mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1);
|
|
workmode <<= id - AXP803_DCDC1;
|
|
break;
|
|
|
|
case AXP813_ID:
|
|
if (id < AXP813_DCDC1 || id > AXP813_DCDC7)
|
|
return -EINVAL;
|
|
|
|
mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP813_DCDC1);
|
|
workmode <<= id - AXP813_DCDC1;
|
|
break;
|
|
|
|
default:
|
|
/* should not happen */
|
|
WARN_ON(1);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return regmap_update_bits(rdev->regmap, reg, mask, workmode);
|
|
}
|
|
|
|
/*
|
|
* This function checks whether a regulator is part of a poly-phase
|
|
* output setup based on the registers settings. Returns true if it is.
|
|
*/
|
|
static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id)
|
|
{
|
|
u32 reg = 0;
|
|
|
|
/*
|
|
* Currently in our supported AXP variants, only AXP803, AXP806,
|
|
* and AXP813 have polyphase regulators.
|
|
*/
|
|
switch (axp20x->variant) {
|
|
case AXP803_ID:
|
|
case AXP813_ID:
|
|
regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, ®);
|
|
|
|
switch (id) {
|
|
case AXP803_DCDC3:
|
|
return !!(reg & AXP803_DCDC23_POLYPHASE_DUAL);
|
|
case AXP803_DCDC6:
|
|
return !!(reg & AXP803_DCDC56_POLYPHASE_DUAL);
|
|
}
|
|
break;
|
|
|
|
case AXP806_ID:
|
|
regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, ®);
|
|
|
|
switch (id) {
|
|
case AXP806_DCDCB:
|
|
return (((reg & AXP806_DCDCABC_POLYPHASE_MASK) ==
|
|
AXP806_DCDCAB_POLYPHASE_DUAL) ||
|
|
((reg & AXP806_DCDCABC_POLYPHASE_MASK) ==
|
|
AXP806_DCDCABC_POLYPHASE_TRI));
|
|
case AXP806_DCDCC:
|
|
return ((reg & AXP806_DCDCABC_POLYPHASE_MASK) ==
|
|
AXP806_DCDCABC_POLYPHASE_TRI);
|
|
case AXP806_DCDCE:
|
|
return !!(reg & AXP806_DCDCDE_POLYPHASE_DUAL);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int axp20x_regulator_probe(struct platform_device *pdev)
|
|
{
|
|
struct regulator_dev *rdev;
|
|
struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
|
|
const struct regulator_desc *regulators;
|
|
struct regulator_config config = {
|
|
.dev = pdev->dev.parent,
|
|
.regmap = axp20x->regmap,
|
|
.driver_data = axp20x,
|
|
};
|
|
int ret, i, nregulators;
|
|
u32 workmode;
|
|
const char *dcdc1_name = axp22x_regulators[AXP22X_DCDC1].name;
|
|
const char *dcdc5_name = axp22x_regulators[AXP22X_DCDC5].name;
|
|
bool drivevbus = false;
|
|
|
|
switch (axp20x->variant) {
|
|
case AXP202_ID:
|
|
case AXP209_ID:
|
|
regulators = axp20x_regulators;
|
|
nregulators = AXP20X_REG_ID_MAX;
|
|
break;
|
|
case AXP221_ID:
|
|
case AXP223_ID:
|
|
regulators = axp22x_regulators;
|
|
nregulators = AXP22X_REG_ID_MAX;
|
|
drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
|
|
"x-powers,drive-vbus-en");
|
|
break;
|
|
case AXP803_ID:
|
|
regulators = axp803_regulators;
|
|
nregulators = AXP803_REG_ID_MAX;
|
|
drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
|
|
"x-powers,drive-vbus-en");
|
|
break;
|
|
case AXP806_ID:
|
|
regulators = axp806_regulators;
|
|
nregulators = AXP806_REG_ID_MAX;
|
|
break;
|
|
case AXP809_ID:
|
|
regulators = axp809_regulators;
|
|
nregulators = AXP809_REG_ID_MAX;
|
|
break;
|
|
case AXP813_ID:
|
|
regulators = axp813_regulators;
|
|
nregulators = AXP813_REG_ID_MAX;
|
|
drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
|
|
"x-powers,drive-vbus-en");
|
|
break;
|
|
default:
|
|
dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
|
|
axp20x->variant);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* This only sets the dcdc freq. Ignore any errors */
|
|
axp20x_regulator_parse_dt(pdev);
|
|
|
|
for (i = 0; i < nregulators; i++) {
|
|
const struct regulator_desc *desc = ®ulators[i];
|
|
struct regulator_desc *new_desc;
|
|
|
|
/*
|
|
* If this regulator is a slave in a poly-phase setup,
|
|
* skip it, as its controls are bound to the master
|
|
* regulator and won't work.
|
|
*/
|
|
if (axp20x_is_polyphase_slave(axp20x, i))
|
|
continue;
|
|
|
|
/* Support for AXP813's FLDO3 is not implemented */
|
|
if (axp20x->variant == AXP813_ID && i == AXP813_FLDO3)
|
|
continue;
|
|
|
|
/*
|
|
* Regulators DC1SW and DC5LDO are connected internally,
|
|
* so we have to handle their supply names separately.
|
|
*
|
|
* We always register the regulators in proper sequence,
|
|
* so the supply names are correctly read. See the last
|
|
* part of this loop to see where we save the DT defined
|
|
* name.
|
|
*/
|
|
if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) ||
|
|
(regulators == axp803_regulators && i == AXP803_DC1SW) ||
|
|
(regulators == axp809_regulators && i == AXP809_DC1SW)) {
|
|
new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
|
|
GFP_KERNEL);
|
|
if (!new_desc)
|
|
return -ENOMEM;
|
|
|
|
*new_desc = regulators[i];
|
|
new_desc->supply_name = dcdc1_name;
|
|
desc = new_desc;
|
|
}
|
|
|
|
if ((regulators == axp22x_regulators && i == AXP22X_DC5LDO) ||
|
|
(regulators == axp809_regulators && i == AXP809_DC5LDO)) {
|
|
new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
|
|
GFP_KERNEL);
|
|
if (!new_desc)
|
|
return -ENOMEM;
|
|
|
|
*new_desc = regulators[i];
|
|
new_desc->supply_name = dcdc5_name;
|
|
desc = new_desc;
|
|
}
|
|
|
|
rdev = devm_regulator_register(&pdev->dev, desc, &config);
|
|
if (IS_ERR(rdev)) {
|
|
dev_err(&pdev->dev, "Failed to register %s\n",
|
|
regulators[i].name);
|
|
|
|
return PTR_ERR(rdev);
|
|
}
|
|
|
|
ret = of_property_read_u32(rdev->dev.of_node,
|
|
"x-powers,dcdc-workmode",
|
|
&workmode);
|
|
if (!ret) {
|
|
if (axp20x_set_dcdc_workmode(rdev, i, workmode))
|
|
dev_err(&pdev->dev, "Failed to set workmode on %s\n",
|
|
rdev->desc->name);
|
|
}
|
|
|
|
/*
|
|
* Save AXP22X DCDC1 / DCDC5 regulator names for later.
|
|
*/
|
|
if ((regulators == axp22x_regulators && i == AXP22X_DCDC1) ||
|
|
(regulators == axp809_regulators && i == AXP809_DCDC1))
|
|
of_property_read_string(rdev->dev.of_node,
|
|
"regulator-name",
|
|
&dcdc1_name);
|
|
|
|
if ((regulators == axp22x_regulators && i == AXP22X_DCDC5) ||
|
|
(regulators == axp809_regulators && i == AXP809_DCDC5))
|
|
of_property_read_string(rdev->dev.of_node,
|
|
"regulator-name",
|
|
&dcdc5_name);
|
|
}
|
|
|
|
if (drivevbus) {
|
|
/* Change N_VBUSEN sense pin to DRIVEVBUS output pin */
|
|
regmap_update_bits(axp20x->regmap, AXP20X_OVER_TMP,
|
|
AXP22X_MISC_N_VBUSEN_FUNC, 0);
|
|
rdev = devm_regulator_register(&pdev->dev,
|
|
&axp22x_drivevbus_regulator,
|
|
&config);
|
|
if (IS_ERR(rdev)) {
|
|
dev_err(&pdev->dev, "Failed to register drivevbus\n");
|
|
return PTR_ERR(rdev);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver axp20x_regulator_driver = {
|
|
.probe = axp20x_regulator_probe,
|
|
.driver = {
|
|
.name = "axp20x-regulator",
|
|
},
|
|
};
|
|
|
|
module_platform_driver(axp20x_regulator_driver);
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
|
|
MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC");
|
|
MODULE_ALIAS("platform:axp20x-regulator");
|