forked from luck/tmp_suning_uos_patched
regulator: mt6360: Add support for MT6360 regulator
Add MT6360 regulator driver that contains two BUCKs and six LDOs Signed-off-by: Gene Chen <gene_chen@richtek.com> Link: https://lore.kernel.org/r/1598438958-26802-2-git-send-email-gene.chen.richtek@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Gene Chen
Mark Brown
parent
ab6019d7fe
commit
d321571d5e
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@ -711,6 +711,15 @@ config REGULATOR_MT6358
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This driver supports the control of different power rails of device
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This driver supports the control of different power rails of device
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through regulator interface.
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through regulator interface.
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config REGULATOR_MT6360
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tristate "MT6360 SubPMIC Regulator"
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depends on MFD_MT6360
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help
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Say Y here to enable MT6360 regulator support.
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This is support MT6360 PMIC/LDO part include
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2-channel buck with Thermal Shutdown and Overload Protection
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6-channel High PSRR and Low Dropout LDO.
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config REGULATOR_MT6380
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config REGULATOR_MT6380
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tristate "MediaTek MT6380 PMIC"
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tristate "MediaTek MT6380 PMIC"
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depends on MTK_PMIC_WRAP
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depends on MTK_PMIC_WRAP
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@ -88,6 +88,7 @@ obj-$(CONFIG_REGULATOR_MPQ7920) += mpq7920.o
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obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
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obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o
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obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
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obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
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obj-$(CONFIG_REGULATOR_MT6358) += mt6358-regulator.o
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obj-$(CONFIG_REGULATOR_MT6358) += mt6358-regulator.o
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obj-$(CONFIG_REGULATOR_MT6360) += mt6360-regulator.o
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obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o
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obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o
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obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o
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obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o
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obj-$(CONFIG_REGULATOR_QCOM_LABIBB) += qcom-labibb-regulator.o
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obj-$(CONFIG_REGULATOR_QCOM_LABIBB) += qcom-labibb-regulator.o
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459
drivers/regulator/mt6360-regulator.c
Normal file
459
drivers/regulator/mt6360-regulator.c
Normal file
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@ -0,0 +1,459 @@
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// SPDX-License-Identifier: GPL-2.0-only
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//
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// Copyright (C) 2020 MediaTek Inc.
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//
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// Author: Gene Chen <gene_chen@richtek.com>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of.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 <dt-bindings/regulator/mediatek,mt6360-regulator.h>
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enum {
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MT6360_REGULATOR_BUCK1 = 0,
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MT6360_REGULATOR_BUCK2,
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MT6360_REGULATOR_LDO6,
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MT6360_REGULATOR_LDO7,
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MT6360_REGULATOR_LDO1,
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MT6360_REGULATOR_LDO2,
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MT6360_REGULATOR_LDO3,
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MT6360_REGULATOR_LDO5,
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MT6360_REGULATOR_MAX,
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};
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struct mt6360_irq_mapping {
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const char *name;
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irq_handler_t handler;
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};
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struct mt6360_regulator_desc {
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const struct regulator_desc desc;
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unsigned int mode_reg;
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unsigned int mode_mask;
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unsigned int state_reg;
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unsigned int state_mask;
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const struct mt6360_irq_mapping *irq_tables;
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int irq_table_size;
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};
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struct mt6360_regulator_data {
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struct device *dev;
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struct regmap *regmap;
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};
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static irqreturn_t mt6360_pgb_event_handler(int irq, void *data)
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{
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struct regulator_dev *rdev = data;
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regulator_notifier_call_chain(rdev, REGULATOR_EVENT_FAIL, NULL);
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return IRQ_HANDLED;
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}
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static irqreturn_t mt6360_oc_event_handler(int irq, void *data)
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{
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struct regulator_dev *rdev = data;
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regulator_notifier_call_chain(rdev, REGULATOR_EVENT_OVER_CURRENT, NULL);
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return IRQ_HANDLED;
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}
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static irqreturn_t mt6360_ov_event_handler(int irq, void *data)
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{
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struct regulator_dev *rdev = data;
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regulator_notifier_call_chain(rdev, REGULATOR_EVENT_REGULATION_OUT, NULL);
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return IRQ_HANDLED;
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}
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static irqreturn_t mt6360_uv_event_handler(int irq, void *data)
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{
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struct regulator_dev *rdev = data;
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regulator_notifier_call_chain(rdev, REGULATOR_EVENT_UNDER_VOLTAGE, NULL);
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return IRQ_HANDLED;
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}
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static const struct mt6360_irq_mapping buck1_irq_tbls[] = {
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{ "buck1_pgb_evt", mt6360_pgb_event_handler },
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{ "buck1_oc_evt", mt6360_oc_event_handler },
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{ "buck1_ov_evt", mt6360_ov_event_handler },
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{ "buck1_uv_evt", mt6360_uv_event_handler },
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};
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static const struct mt6360_irq_mapping buck2_irq_tbls[] = {
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{ "buck2_pgb_evt", mt6360_pgb_event_handler },
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{ "buck2_oc_evt", mt6360_oc_event_handler },
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{ "buck2_ov_evt", mt6360_ov_event_handler },
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{ "buck2_uv_evt", mt6360_uv_event_handler },
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};
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static const struct mt6360_irq_mapping ldo6_irq_tbls[] = {
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{ "ldo6_pgb_evt", mt6360_pgb_event_handler },
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{ "ldo6_oc_evt", mt6360_oc_event_handler },
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};
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static const struct mt6360_irq_mapping ldo7_irq_tbls[] = {
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{ "ldo7_pgb_evt", mt6360_pgb_event_handler },
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{ "ldo7_oc_evt", mt6360_oc_event_handler },
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};
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static const struct mt6360_irq_mapping ldo1_irq_tbls[] = {
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{ "ldo1_pgb_evt", mt6360_pgb_event_handler },
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{ "ldo1_oc_evt", mt6360_oc_event_handler },
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};
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static const struct mt6360_irq_mapping ldo2_irq_tbls[] = {
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{ "ldo2_pgb_evt", mt6360_pgb_event_handler },
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{ "ldo2_oc_evt", mt6360_oc_event_handler },
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};
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static const struct mt6360_irq_mapping ldo3_irq_tbls[] = {
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{ "ldo3_pgb_evt", mt6360_pgb_event_handler },
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{ "ldo3_oc_evt", mt6360_oc_event_handler },
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};
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static const struct mt6360_irq_mapping ldo5_irq_tbls[] = {
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{ "ldo5_pgb_evt", mt6360_pgb_event_handler },
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{ "ldo5_oc_evt", mt6360_oc_event_handler },
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};
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static const struct linear_range buck_vout_ranges[] = {
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REGULATOR_LINEAR_RANGE(300000, 0x00, 0xc7, 5000),
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REGULATOR_LINEAR_RANGE(1300000, 0xc8, 0xff, 0),
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};
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static const struct linear_range ldo_vout_ranges1[] = {
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REGULATOR_LINEAR_RANGE(500000, 0x00, 0x09, 10000),
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REGULATOR_LINEAR_RANGE(600000, 0x0a, 0x10, 0),
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REGULATOR_LINEAR_RANGE(610000, 0x11, 0x19, 10000),
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REGULATOR_LINEAR_RANGE(700000, 0x1a, 0x20, 0),
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REGULATOR_LINEAR_RANGE(710000, 0x21, 0x29, 10000),
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REGULATOR_LINEAR_RANGE(800000, 0x2a, 0x30, 0),
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REGULATOR_LINEAR_RANGE(810000, 0x31, 0x39, 10000),
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REGULATOR_LINEAR_RANGE(900000, 0x3a, 0x40, 0),
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REGULATOR_LINEAR_RANGE(910000, 0x41, 0x49, 10000),
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REGULATOR_LINEAR_RANGE(1000000, 0x4a, 0x50, 0),
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REGULATOR_LINEAR_RANGE(1010000, 0x51, 0x59, 10000),
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REGULATOR_LINEAR_RANGE(1100000, 0x5a, 0x60, 0),
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REGULATOR_LINEAR_RANGE(1110000, 0x61, 0x69, 10000),
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REGULATOR_LINEAR_RANGE(1200000, 0x6a, 0x70, 0),
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REGULATOR_LINEAR_RANGE(1210000, 0x71, 0x79, 10000),
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REGULATOR_LINEAR_RANGE(1300000, 0x7a, 0x80, 0),
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REGULATOR_LINEAR_RANGE(1310000, 0x81, 0x89, 10000),
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REGULATOR_LINEAR_RANGE(1400000, 0x8a, 0x90, 0),
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REGULATOR_LINEAR_RANGE(1410000, 0x91, 0x99, 10000),
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REGULATOR_LINEAR_RANGE(1500000, 0x9a, 0xa0, 0),
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REGULATOR_LINEAR_RANGE(1510000, 0xa1, 0xa9, 10000),
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REGULATOR_LINEAR_RANGE(1600000, 0xaa, 0xb0, 0),
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REGULATOR_LINEAR_RANGE(1610000, 0xb1, 0xb9, 10000),
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REGULATOR_LINEAR_RANGE(1700000, 0xba, 0xc0, 0),
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REGULATOR_LINEAR_RANGE(1710000, 0xc1, 0xc9, 10000),
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REGULATOR_LINEAR_RANGE(1800000, 0xca, 0xd0, 0),
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REGULATOR_LINEAR_RANGE(1810000, 0xd1, 0xd9, 10000),
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REGULATOR_LINEAR_RANGE(1900000, 0xda, 0xe0, 0),
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REGULATOR_LINEAR_RANGE(1910000, 0xe1, 0xe9, 10000),
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REGULATOR_LINEAR_RANGE(2000000, 0xea, 0xf0, 0),
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REGULATOR_LINEAR_RANGE(2010000, 0xf1, 0xf9, 10000),
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REGULATOR_LINEAR_RANGE(2100000, 0xfa, 0xff, 0),
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};
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static const struct linear_range ldo_vout_ranges2[] = {
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REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x09, 10000),
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REGULATOR_LINEAR_RANGE(1300000, 0x0a, 0x10, 0),
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REGULATOR_LINEAR_RANGE(1310000, 0x11, 0x19, 10000),
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REGULATOR_LINEAR_RANGE(1400000, 0x1a, 0x1f, 0),
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REGULATOR_LINEAR_RANGE(1500000, 0x20, 0x29, 10000),
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REGULATOR_LINEAR_RANGE(1600000, 0x2a, 0x2f, 0),
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REGULATOR_LINEAR_RANGE(1700000, 0x30, 0x39, 10000),
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REGULATOR_LINEAR_RANGE(1800000, 0x3a, 0x40, 0),
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REGULATOR_LINEAR_RANGE(1810000, 0x41, 0x49, 10000),
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REGULATOR_LINEAR_RANGE(1900000, 0x4a, 0x4f, 0),
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REGULATOR_LINEAR_RANGE(2000000, 0x50, 0x59, 10000),
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REGULATOR_LINEAR_RANGE(2100000, 0x5a, 0x60, 0),
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REGULATOR_LINEAR_RANGE(2110000, 0x61, 0x69, 10000),
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REGULATOR_LINEAR_RANGE(2200000, 0x6a, 0x6f, 0),
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REGULATOR_LINEAR_RANGE(2500000, 0x70, 0x79, 10000),
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REGULATOR_LINEAR_RANGE(2600000, 0x7a, 0x7f, 0),
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REGULATOR_LINEAR_RANGE(2700000, 0x80, 0x89, 10000),
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REGULATOR_LINEAR_RANGE(2800000, 0x8a, 0x90, 0),
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REGULATOR_LINEAR_RANGE(2810000, 0x91, 0x99, 10000),
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REGULATOR_LINEAR_RANGE(2900000, 0x9a, 0xa0, 0),
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REGULATOR_LINEAR_RANGE(2910000, 0xa1, 0xa9, 10000),
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REGULATOR_LINEAR_RANGE(3000000, 0xaa, 0xb0, 0),
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REGULATOR_LINEAR_RANGE(3010000, 0xb1, 0xb9, 10000),
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REGULATOR_LINEAR_RANGE(3100000, 0xba, 0xc0, 0),
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REGULATOR_LINEAR_RANGE(3110000, 0xc1, 0xc9, 10000),
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REGULATOR_LINEAR_RANGE(3200000, 0xca, 0xcf, 0),
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REGULATOR_LINEAR_RANGE(3300000, 0xd0, 0xd9, 10000),
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REGULATOR_LINEAR_RANGE(3400000, 0xda, 0xe0, 0),
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REGULATOR_LINEAR_RANGE(3410000, 0xe1, 0xe9, 10000),
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REGULATOR_LINEAR_RANGE(3500000, 0xea, 0xf0, 0),
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REGULATOR_LINEAR_RANGE(3510000, 0xf1, 0xf9, 10000),
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REGULATOR_LINEAR_RANGE(3600000, 0xfa, 0xff, 0),
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};
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static const struct linear_range ldo_vout_ranges3[] = {
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REGULATOR_LINEAR_RANGE(2700000, 0x00, 0x09, 10000),
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REGULATOR_LINEAR_RANGE(2800000, 0x0a, 0x10, 0),
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REGULATOR_LINEAR_RANGE(2810000, 0x11, 0x19, 10000),
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REGULATOR_LINEAR_RANGE(2900000, 0x1a, 0x20, 0),
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REGULATOR_LINEAR_RANGE(2910000, 0x21, 0x29, 10000),
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REGULATOR_LINEAR_RANGE(3000000, 0x2a, 0x30, 0),
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REGULATOR_LINEAR_RANGE(3010000, 0x31, 0x39, 10000),
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REGULATOR_LINEAR_RANGE(3100000, 0x3a, 0x40, 0),
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REGULATOR_LINEAR_RANGE(3110000, 0x41, 0x49, 10000),
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REGULATOR_LINEAR_RANGE(3200000, 0x4a, 0x4f, 0),
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REGULATOR_LINEAR_RANGE(3300000, 0x50, 0x59, 10000),
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REGULATOR_LINEAR_RANGE(3400000, 0x5a, 0x60, 0),
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REGULATOR_LINEAR_RANGE(3410000, 0x61, 0x69, 10000),
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REGULATOR_LINEAR_RANGE(3500000, 0x6a, 0x70, 0),
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REGULATOR_LINEAR_RANGE(3510000, 0x71, 0x79, 10000),
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REGULATOR_LINEAR_RANGE(3600000, 0x7a, 0x7f, 0),
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};
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static int mt6360_regulator_set_mode(struct regulator_dev *rdev,
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unsigned int mode)
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{
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const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc;
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struct regmap *regmap = rdev_get_regmap(rdev);
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int shift = ffs(rdesc->mode_mask) - 1;
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unsigned int val;
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int ret;
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switch (mode) {
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case REGULATOR_MODE_NORMAL:
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val = MT6360_OPMODE_NORMAL;
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break;
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case REGULATOR_MODE_STANDBY:
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val = MT6360_OPMODE_ULP;
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break;
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case REGULATOR_MODE_IDLE:
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val = MT6360_OPMODE_LP;
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break;
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default:
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return -EINVAL;
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}
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ret = regmap_update_bits(regmap, rdesc->mode_reg, rdesc->mode_mask, val << shift);
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if (ret) {
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dev_err(&rdev->dev, "%s: fail (%d)\n", __func__, ret);
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return ret;
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}
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return 0;
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}
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static unsigned int mt6360_regulator_get_mode(struct regulator_dev *rdev)
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{
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const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc;
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struct regmap *regmap = rdev_get_regmap(rdev);
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int shift = ffs(rdesc->mode_mask) - 1;
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unsigned int val;
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int ret;
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ret = regmap_read(regmap, rdesc->mode_reg, &val);
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if (ret)
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return ret;
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val &= rdesc->mode_mask;
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val >>= shift;
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switch (val) {
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case MT6360_OPMODE_LP:
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|
return REGULATOR_MODE_IDLE;
|
||||||
|
case MT6360_OPMODE_ULP:
|
||||||
|
return REGULATOR_MODE_STANDBY;
|
||||||
|
case MT6360_OPMODE_NORMAL:
|
||||||
|
return REGULATOR_MODE_NORMAL;
|
||||||
|
default:
|
||||||
|
return -EINVAL;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static int mt6360_regulator_get_status(struct regulator_dev *rdev)
|
||||||
|
{
|
||||||
|
const struct mt6360_regulator_desc *rdesc = (struct mt6360_regulator_desc *)rdev->desc;
|
||||||
|
struct regmap *regmap = rdev_get_regmap(rdev);
|
||||||
|
unsigned int val;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
ret = regmap_read(regmap, rdesc->state_reg, &val);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
if (val & rdesc->state_mask)
|
||||||
|
return REGULATOR_STATUS_ON;
|
||||||
|
|
||||||
|
return REGULATOR_STATUS_OFF;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct regulator_ops mt6360_regulator_ops = {
|
||||||
|
.list_voltage = regulator_list_voltage_linear_range,
|
||||||
|
.enable = regulator_enable_regmap,
|
||||||
|
.disable = regulator_disable_regmap,
|
||||||
|
.is_enabled = regulator_is_enabled_regmap,
|
||||||
|
.set_voltage_sel = regulator_set_voltage_sel_regmap,
|
||||||
|
.get_voltage_sel = regulator_get_voltage_sel_regmap,
|
||||||
|
.set_mode = mt6360_regulator_set_mode,
|
||||||
|
.get_mode = mt6360_regulator_get_mode,
|
||||||
|
.get_status = mt6360_regulator_get_status,
|
||||||
|
};
|
||||||
|
|
||||||
|
static unsigned int mt6360_regulator_of_map_mode(unsigned int hw_mode)
|
||||||
|
{
|
||||||
|
switch (hw_mode) {
|
||||||
|
case MT6360_OPMODE_NORMAL:
|
||||||
|
return REGULATOR_MODE_NORMAL;
|
||||||
|
case MT6360_OPMODE_LP:
|
||||||
|
return REGULATOR_MODE_IDLE;
|
||||||
|
case MT6360_OPMODE_ULP:
|
||||||
|
return REGULATOR_MODE_STANDBY;
|
||||||
|
default:
|
||||||
|
return REGULATOR_MODE_INVALID;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#define MT6360_REGULATOR_DESC(_name, _sname, ereg, emask, vreg, vmask, \
|
||||||
|
mreg, mmask, streg, stmask, vranges, \
|
||||||
|
vcnts, offon_delay, irq_tbls) \
|
||||||
|
{ \
|
||||||
|
.desc = { \
|
||||||
|
.name = #_name, \
|
||||||
|
.supply_name = #_sname, \
|
||||||
|
.id = MT6360_REGULATOR_##_name, \
|
||||||
|
.of_match = of_match_ptr(#_name), \
|
||||||
|
.regulators_node = of_match_ptr("regulator"), \
|
||||||
|
.of_map_mode = mt6360_regulator_of_map_mode, \
|
||||||
|
.owner = THIS_MODULE, \
|
||||||
|
.ops = &mt6360_regulator_ops, \
|
||||||
|
.type = REGULATOR_VOLTAGE, \
|
||||||
|
.vsel_reg = vreg, \
|
||||||
|
.vsel_mask = vmask, \
|
||||||
|
.enable_reg = ereg, \
|
||||||
|
.enable_mask = emask, \
|
||||||
|
.linear_ranges = vranges, \
|
||||||
|
.n_linear_ranges = ARRAY_SIZE(vranges), \
|
||||||
|
.n_voltages = vcnts, \
|
||||||
|
.off_on_delay = offon_delay, \
|
||||||
|
}, \
|
||||||
|
.mode_reg = mreg, \
|
||||||
|
.mode_mask = mmask, \
|
||||||
|
.state_reg = streg, \
|
||||||
|
.state_mask = stmask, \
|
||||||
|
.irq_tables = irq_tbls, \
|
||||||
|
.irq_table_size = ARRAY_SIZE(irq_tbls), \
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct mt6360_regulator_desc mt6360_regulator_descs[] = {
|
||||||
|
MT6360_REGULATOR_DESC(BUCK1, BUCK1_VIN, 0x117, 0x40, 0x110, 0xff, 0x117, 0x30, 0x117, 0x04,
|
||||||
|
buck_vout_ranges, 256, 0, buck1_irq_tbls),
|
||||||
|
MT6360_REGULATOR_DESC(BUCK2, BUCK2_VIN, 0x127, 0x40, 0x120, 0xff, 0x127, 0x30, 0x127, 0x04,
|
||||||
|
buck_vout_ranges, 256, 0, buck2_irq_tbls),
|
||||||
|
MT6360_REGULATOR_DESC(LDO6, LDO_VIN3, 0x137, 0x40, 0x13B, 0xff, 0x137, 0x30, 0x137, 0x04,
|
||||||
|
ldo_vout_ranges1, 256, 0, ldo6_irq_tbls),
|
||||||
|
MT6360_REGULATOR_DESC(LDO7, LDO_VIN3, 0x131, 0x40, 0x135, 0xff, 0x131, 0x30, 0x131, 0x04,
|
||||||
|
ldo_vout_ranges1, 256, 0, ldo7_irq_tbls),
|
||||||
|
MT6360_REGULATOR_DESC(LDO1, LDO_VIN1, 0x217, 0x40, 0x21B, 0xff, 0x217, 0x30, 0x217, 0x04,
|
||||||
|
ldo_vout_ranges2, 256, 0, ldo1_irq_tbls),
|
||||||
|
MT6360_REGULATOR_DESC(LDO2, LDO_VIN1, 0x211, 0x40, 0x215, 0xff, 0x211, 0x30, 0x211, 0x04,
|
||||||
|
ldo_vout_ranges2, 256, 0, ldo2_irq_tbls),
|
||||||
|
MT6360_REGULATOR_DESC(LDO3, LDO_VIN1, 0x205, 0x40, 0x209, 0xff, 0x205, 0x30, 0x205, 0x04,
|
||||||
|
ldo_vout_ranges2, 256, 100, ldo3_irq_tbls),
|
||||||
|
MT6360_REGULATOR_DESC(LDO5, LDO_VIN2, 0x20B, 0x40, 0x20F, 0x7f, 0x20B, 0x30, 0x20B, 0x04,
|
||||||
|
ldo_vout_ranges3, 128, 100, ldo5_irq_tbls),
|
||||||
|
};
|
||||||
|
|
||||||
|
static int mt6360_regulator_irq_register(struct platform_device *pdev,
|
||||||
|
struct regulator_dev *rdev,
|
||||||
|
const struct mt6360_irq_mapping *tbls,
|
||||||
|
int tbl_size)
|
||||||
|
{
|
||||||
|
int i, irq, ret;
|
||||||
|
|
||||||
|
for (i = 0; i < tbl_size; i++) {
|
||||||
|
const struct mt6360_irq_mapping *irq_desc = tbls + i;
|
||||||
|
|
||||||
|
irq = platform_get_irq_byname(pdev, irq_desc->name);
|
||||||
|
if (irq < 0) {
|
||||||
|
dev_err(&pdev->dev, "Fail to get %s irq\n", irq_desc->name);
|
||||||
|
return irq;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, irq_desc->handler, 0,
|
||||||
|
irq_desc->name, rdev);
|
||||||
|
if (ret) {
|
||||||
|
dev_err(&pdev->dev, "Fail to request %s irq\n", irq_desc->name);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int mt6360_regulator_probe(struct platform_device *pdev)
|
||||||
|
{
|
||||||
|
struct mt6360_regulator_data *mrd;
|
||||||
|
struct regulator_config config = {};
|
||||||
|
int i, ret;
|
||||||
|
|
||||||
|
mrd = devm_kzalloc(&pdev->dev, sizeof(*mrd), GFP_KERNEL);
|
||||||
|
if (!mrd)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
mrd->dev = &pdev->dev;
|
||||||
|
|
||||||
|
mrd->regmap = dev_get_regmap(pdev->dev.parent, NULL);
|
||||||
|
if (!mrd->regmap) {
|
||||||
|
dev_err(&pdev->dev, "Failed to get parent regmap\n");
|
||||||
|
return -ENODEV;
|
||||||
|
}
|
||||||
|
|
||||||
|
config.dev = pdev->dev.parent;
|
||||||
|
config.driver_data = mrd;
|
||||||
|
config.regmap = mrd->regmap;
|
||||||
|
|
||||||
|
for (i = 0; i < ARRAY_SIZE(mt6360_regulator_descs); i++) {
|
||||||
|
const struct mt6360_regulator_desc *rdesc = mt6360_regulator_descs + i;
|
||||||
|
struct regulator_dev *rdev;
|
||||||
|
|
||||||
|
rdev = devm_regulator_register(&pdev->dev, &rdesc->desc, &config);
|
||||||
|
if (IS_ERR(rdev)) {
|
||||||
|
dev_err(&pdev->dev, "Failed to register %d regulaotr\n", i);
|
||||||
|
return PTR_ERR(rdev);
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = mt6360_regulator_irq_register(pdev, rdev, rdesc->irq_tables,
|
||||||
|
rdesc->irq_table_size);
|
||||||
|
if (ret) {
|
||||||
|
dev_err(&pdev->dev, "Failed to register %d regulaotr irqs\n", i);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct platform_device_id mt6360_regulator_id_table[] = {
|
||||||
|
{ "mt6360-regulator", 0 },
|
||||||
|
{},
|
||||||
|
};
|
||||||
|
MODULE_DEVICE_TABLE(platform, mt6360_regulator_id_table);
|
||||||
|
|
||||||
|
static struct platform_driver mt6360_regulator_driver = {
|
||||||
|
.driver = {
|
||||||
|
.name = "mt6360-regulator",
|
||||||
|
},
|
||||||
|
.probe = mt6360_regulator_probe,
|
||||||
|
.id_table = mt6360_regulator_id_table,
|
||||||
|
};
|
||||||
|
module_platform_driver(mt6360_regulator_driver);
|
||||||
|
|
||||||
|
MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>");
|
||||||
|
MODULE_DESCRIPTION("MT6360 Regulator Driver");
|
||||||
|
MODULE_LICENSE("GPL v2");
|
||||||
16
include/dt-bindings/regulator/mediatek,mt6360-regulator.h
Normal file
16
include/dt-bindings/regulator/mediatek,mt6360-regulator.h
Normal file
|
|
@ -0,0 +1,16 @@
|
||||||
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||||||
|
|
||||||
|
#ifndef __DT_BINDINGS_MEDIATEK_MT6360_REGULATOR_H__
|
||||||
|
#define __DT_BINDINGS_MEDIATEK_MT6360_REGULATOR_H__
|
||||||
|
|
||||||
|
/*
|
||||||
|
* BUCK/LDO mode constants which may be used in devicetree properties
|
||||||
|
* (eg. regulator-allowed-modes).
|
||||||
|
* See the manufacturer's datasheet for more information on these modes.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define MT6360_OPMODE_LP 2
|
||||||
|
#define MT6360_OPMODE_ULP 3
|
||||||
|
#define MT6360_OPMODE_NORMAL 0
|
||||||
|
|
||||||
|
#endif
|
||||||
Loading…
Reference in New Issue
Block a user