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563943864f
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warnings: drivers/regulator/axp20x-regulator.c: In function ‘axp20x_set_dcdc_freq’: drivers/regulator/axp20x-regulator.c:1023:7: warning: this statement may fall through [-Wimplicit-fallthrough=] reg = AXP803_DCDC_FREQ_CTRL; drivers/regulator/axp20x-regulator.c:1025:2: note: here case AXP806_ID: ^~~~ drivers/regulator/axp20x-regulator.c: In function ‘axp20x_set_dcdc_workmode’: drivers/regulator/axp20x-regulator.c:1115:7: warning: this statement may fall through [-Wimplicit-fallthrough=] reg = AXP806_DCDC_MODE_CTRL2; drivers/regulator/axp20x-regulator.c:1121:2: note: here case AXP221_ID: ^~~~ Notice that in this particular case, I moved the whole comment "Fall through to the check below.", which contains the "Fall through" comment, at the bottom of the case, which is what GCC is expecting to find. Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Mark Brown <broonie@kernel.org>
1375 lines
48 KiB
C
1375 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_LDO24_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_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 68
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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 14
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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 14
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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) \
|
|
[_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, \
|
|
.owner = THIS_MODULE, \
|
|
.enable_reg = (_ereg), \
|
|
.enable_mask = (_emask), \
|
|
.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 :
|
|
!AXP20X_DCDC2_LDO3_V_RAMP_DCDC2_EN;
|
|
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 :
|
|
!AXP20X_DCDC2_LDO3_V_RAMP_LDO3_EN;
|
|
break;
|
|
}
|
|
|
|
if (rate_count > 0)
|
|
break;
|
|
|
|
/* fall through */
|
|
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])
|
|
cfg = AXP20X_DCDC2_LDO3_V_RAMP_LDO3_RATE(i);
|
|
else
|
|
break;
|
|
}
|
|
|
|
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 regulator_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_LDO24_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_LDO24_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_PWR_OUT_DLDO2_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_ELDO1_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 regulator_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 regulator_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 regulator_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 regulator_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 regulator_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 regulator_linear_range axp806_dcdcd_ranges[] = {
|
|
REGULATOR_LINEAR_RANGE(600000,
|
|
AXP806_DCDCD_600mV_START,
|
|
AXP806_DCDCD_600mV_END,
|
|
20000),
|
|
REGULATOR_LINEAR_RANGE(1600000,
|
|
AXP806_DCDCD_600mV_START,
|
|
AXP806_DCDCD_600mV_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 regulator_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;
|
|
/* Fall through - 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;
|
|
/* Fall through */
|
|
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;
|
|
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);
|
|
return ret;
|
|
}
|
|
|
|
of_node_put(regulators);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
/* Fall through - 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");
|