mirror of https://gitee.com/openkylin/linux.git
regulator: Add regulator driver for ATC260x PMICs
Add support for the DC-DC converters and LDO regulators found in the ATC2603C and ATC2609A chip variants of the Actions Semi ATC260x family of PMICs. Co-developed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com> Link: https://lore.kernel.org/r/1117b1a01b3948446cb3cc407e52de3a5d4212b0.1609258905.git.cristian.ciocaltea@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cristian Ciocaltea
Mark Brown
parent
9351ab8b0c
commit
3b15ccac16
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@ -179,6 +179,14 @@ config REGULATOR_AS3722
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AS3722 PMIC. This will enable support for all the software
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controllable DCDC/LDO regulators.
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config REGULATOR_ATC260X
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tristate "Actions Semi ATC260x PMIC Regulators"
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depends on MFD_ATC260X
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help
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This driver provides support for the voltage regulators on the
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ATC260x PMICs. This will enable support for all the software
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controllable DCDC/LDO regulators.
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config REGULATOR_AXP20X
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tristate "X-POWERS AXP20X PMIC Regulators"
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depends on MFD_AXP20X
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@ -27,6 +27,7 @@ obj-$(CONFIG_REGULATOR_ARIZONA_MICSUPP) += arizona-micsupp.o
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obj-$(CONFIG_REGULATOR_ARM_SCMI) += scmi-regulator.o
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obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
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obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o
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obj-$(CONFIG_REGULATOR_ATC260X) += atc260x-regulator.o
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obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o
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obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o
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obj-$(CONFIG_REGULATOR_BD70528) += bd70528-regulator.o
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@ -0,0 +1,539 @@
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// SPDX-License-Identifier: GPL-2.0+
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//
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// Regulator driver for ATC260x PMICs
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//
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// Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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// Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
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#include <linux/mfd/atc260x/core.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/regmap.h>
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#include <linux/regulator/driver.h>
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struct atc260x_regulator_data {
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int voltage_time_dcdc;
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int voltage_time_ldo;
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};
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static const struct linear_range atc2603c_dcdc_voltage_ranges[] = {
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REGULATOR_LINEAR_RANGE(1300000, 0, 13, 50000),
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REGULATOR_LINEAR_RANGE(1950000, 14, 15, 100000),
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};
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static const struct linear_range atc2609a_dcdc_voltage_ranges[] = {
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REGULATOR_LINEAR_RANGE(600000, 0, 127, 6250),
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REGULATOR_LINEAR_RANGE(1400000, 128, 232, 25000),
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};
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static const struct linear_range atc2609a_ldo_voltage_ranges0[] = {
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REGULATOR_LINEAR_RANGE(700000, 0, 15, 100000),
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REGULATOR_LINEAR_RANGE(2100000, 16, 28, 100000),
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};
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static const struct linear_range atc2609a_ldo_voltage_ranges1[] = {
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REGULATOR_LINEAR_RANGE(850000, 0, 15, 100000),
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REGULATOR_LINEAR_RANGE(2100000, 16, 27, 100000),
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};
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static const unsigned int atc260x_ldo_voltage_range_sel[] = {
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0x0, 0x1,
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};
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static int atc260x_dcdc_set_voltage_time_sel(struct regulator_dev *rdev,
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unsigned int old_selector,
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unsigned int new_selector)
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{
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struct atc260x_regulator_data *data = rdev_get_drvdata(rdev);
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if (new_selector > old_selector)
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return data->voltage_time_dcdc;
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return 0;
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}
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static int atc260x_ldo_set_voltage_time_sel(struct regulator_dev *rdev,
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unsigned int old_selector,
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unsigned int new_selector)
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{
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struct atc260x_regulator_data *data = rdev_get_drvdata(rdev);
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if (new_selector > old_selector)
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return data->voltage_time_ldo;
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return 0;
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}
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static const struct regulator_ops atc260x_dcdc_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
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};
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static const struct regulator_ops atc260x_ldo_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
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};
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static const struct regulator_ops atc260x_ldo_bypass_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
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.set_bypass = regulator_set_bypass_regmap,
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.get_bypass = regulator_get_bypass_regmap,
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};
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static const struct regulator_ops atc260x_ldo_bypass_discharge_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
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.set_bypass = regulator_set_bypass_regmap,
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.get_bypass = regulator_get_bypass_regmap,
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.set_active_discharge = regulator_set_active_discharge_regmap,
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};
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static const struct regulator_ops atc260x_dcdc_range_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear_range,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
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};
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static const struct regulator_ops atc260x_ldo_range_pick_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_pickable_linear_range,
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.set_voltage_sel = regulator_set_voltage_sel_pickable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
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.set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
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};
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static const struct regulator_ops atc260x_dcdc_fixed_ops = {
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.list_voltage = regulator_list_voltage_linear,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel,
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};
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static const struct regulator_ops atc260x_ldo_fixed_ops = {
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.list_voltage = regulator_list_voltage_linear,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel,
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};
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static const struct regulator_ops atc260x_no_ops = {
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};
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/*
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* Note LDO8 is not documented in datasheet (v2.4), but supported
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* in the vendor's driver implementation (xapp-le-kernel).
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*/
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enum atc2603c_reg_ids {
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ATC2603C_ID_DCDC1,
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ATC2603C_ID_DCDC2,
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ATC2603C_ID_DCDC3,
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ATC2603C_ID_LDO1,
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ATC2603C_ID_LDO2,
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ATC2603C_ID_LDO3,
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ATC2603C_ID_LDO5,
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ATC2603C_ID_LDO6,
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ATC2603C_ID_LDO7,
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ATC2603C_ID_LDO8,
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ATC2603C_ID_LDO11,
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ATC2603C_ID_LDO12,
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ATC2603C_ID_SWITCHLDO1,
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ATC2603C_ID_MAX,
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};
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#define atc2603c_reg_desc_dcdc(num, min, step, n_volt, vsel_h, vsel_l) { \
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.name = "DCDC"#num, \
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.supply_name = "dcdc"#num, \
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.of_match = of_match_ptr("dcdc"#num), \
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.regulators_node = of_match_ptr("regulators"), \
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.id = ATC2603C_ID_DCDC##num, \
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.ops = &atc260x_dcdc_ops, \
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.type = REGULATOR_VOLTAGE, \
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.min_uV = min, \
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.uV_step = step, \
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.n_voltages = n_volt, \
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.vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
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.vsel_mask = GENMASK(vsel_h, vsel_l), \
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.enable_reg = ATC2603C_PMU_DC##num##_CTL0, \
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.enable_mask = BIT(15), \
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.enable_time = 800, \
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.owner = THIS_MODULE, \
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}
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#define atc2603c_reg_desc_dcdc_range(num, vsel_h, vsel_l) { \
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.name = "DCDC"#num, \
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.supply_name = "dcdc"#num, \
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.of_match = of_match_ptr("dcdc"#num), \
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.regulators_node = of_match_ptr("regulators"), \
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.id = ATC2603C_ID_DCDC##num, \
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.ops = &atc260x_dcdc_range_ops, \
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.type = REGULATOR_VOLTAGE, \
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.n_voltages = 16, \
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.linear_ranges = atc2603c_dcdc_voltage_ranges, \
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.n_linear_ranges = ARRAY_SIZE(atc2603c_dcdc_voltage_ranges), \
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.vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
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.vsel_mask = GENMASK(vsel_h, vsel_l), \
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.enable_reg = ATC2603C_PMU_DC##num##_CTL0, \
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.enable_mask = BIT(15), \
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.enable_time = 800, \
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.owner = THIS_MODULE, \
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}
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#define atc2603c_reg_desc_dcdc_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \
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.name = "DCDC"#num, \
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.supply_name = "dcdc"#num, \
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.of_match = of_match_ptr("dcdc"#num), \
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.regulators_node = of_match_ptr("regulators"), \
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.id = ATC2603C_ID_DCDC##num, \
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.ops = &atc260x_dcdc_fixed_ops, \
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.type = REGULATOR_VOLTAGE, \
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.min_uV = min, \
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.uV_step = step, \
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.n_voltages = n_volt, \
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.vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \
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.vsel_mask = GENMASK(vsel_h, vsel_l), \
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.enable_time = 800, \
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.owner = THIS_MODULE, \
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}
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#define atc2603c_reg_desc_ldo(num, min, step, n_volt, vsel_h, vsel_l) { \
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.name = "LDO"#num, \
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.supply_name = "ldo"#num, \
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.of_match = of_match_ptr("ldo"#num), \
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.regulators_node = of_match_ptr("regulators"), \
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.id = ATC2603C_ID_LDO##num, \
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.ops = &atc260x_ldo_ops, \
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.type = REGULATOR_VOLTAGE, \
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.min_uV = min, \
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.uV_step = step, \
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.n_voltages = n_volt, \
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.vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \
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.vsel_mask = GENMASK(vsel_h, vsel_l), \
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.enable_reg = ATC2603C_PMU_LDO##num##_CTL, \
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.enable_mask = BIT(0), \
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.enable_time = 2000, \
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.owner = THIS_MODULE, \
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}
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#define atc2603c_reg_desc_ldo_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \
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.name = "LDO"#num, \
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.supply_name = "ldo"#num, \
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.of_match = of_match_ptr("ldo"#num), \
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.regulators_node = of_match_ptr("regulators"), \
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.id = ATC2603C_ID_LDO##num, \
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.ops = &atc260x_ldo_fixed_ops, \
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.type = REGULATOR_VOLTAGE, \
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.min_uV = min, \
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.uV_step = step, \
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.n_voltages = n_volt, \
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.vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \
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.vsel_mask = GENMASK(vsel_h, vsel_l), \
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.enable_time = 2000, \
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.owner = THIS_MODULE, \
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}
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#define atc2603c_reg_desc_ldo_noops(num, vfixed) { \
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.name = "LDO"#num, \
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.supply_name = "ldo"#num, \
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.of_match = of_match_ptr("ldo"#num), \
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.regulators_node = of_match_ptr("regulators"), \
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.id = ATC2603C_ID_LDO##num, \
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.ops = &atc260x_no_ops, \
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.type = REGULATOR_VOLTAGE, \
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.fixed_uV = vfixed, \
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.n_voltages = 1, \
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.owner = THIS_MODULE, \
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}
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#define atc2603c_reg_desc_ldo_switch(num, min, step, n_volt, vsel_h, vsel_l) { \
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.name = "SWITCHLDO"#num, \
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.supply_name = "switchldo"#num, \
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.of_match = of_match_ptr("switchldo"#num), \
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.regulators_node = of_match_ptr("regulators"), \
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.id = ATC2603C_ID_SWITCHLDO##num, \
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.ops = &atc260x_ldo_bypass_discharge_ops, \
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.type = REGULATOR_VOLTAGE, \
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.min_uV = min, \
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.uV_step = step, \
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.n_voltages = n_volt, \
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.vsel_reg = ATC2603C_PMU_SWITCH_CTL, \
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.vsel_mask = GENMASK(vsel_h, vsel_l), \
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.enable_reg = ATC2603C_PMU_SWITCH_CTL, \
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.enable_mask = BIT(15), \
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.enable_is_inverted = true, \
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.enable_time = 2000, \
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.bypass_reg = ATC2603C_PMU_SWITCH_CTL, \
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.bypass_mask = BIT(5), \
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.active_discharge_reg = ATC2603C_PMU_SWITCH_CTL, \
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.active_discharge_mask = BIT(1), \
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.owner = THIS_MODULE, \
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}
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static const struct regulator_desc atc2603c_reg[] = {
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atc2603c_reg_desc_dcdc_fixed(1, 700000, 25000, 29, 11, 7),
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atc2603c_reg_desc_dcdc_range(2, 12, 8),
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atc2603c_reg_desc_dcdc_fixed(3, 2600000, 100000, 8, 11, 9),
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atc2603c_reg_desc_ldo_fixed(1, 2600000, 100000, 8, 15, 13),
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atc2603c_reg_desc_ldo_fixed(2, 2600000, 100000, 8, 15, 13),
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atc2603c_reg_desc_ldo_fixed(3, 1500000, 100000, 6, 15, 13),
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atc2603c_reg_desc_ldo(5, 2600000, 100000, 8, 15, 13),
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atc2603c_reg_desc_ldo_fixed(6, 700000, 25000, 29, 15, 11),
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atc2603c_reg_desc_ldo(7, 1500000, 100000, 6, 15, 13),
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atc2603c_reg_desc_ldo(8, 2300000, 100000, 11, 15, 12),
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atc2603c_reg_desc_ldo_fixed(11, 2600000, 100000, 8, 15, 13),
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atc2603c_reg_desc_ldo_noops(12, 1800000),
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atc2603c_reg_desc_ldo_switch(1, 3000000, 100000, 4, 4, 3),
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};
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static const struct regulator_desc atc2603c_reg_dcdc2_ver_b =
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atc2603c_reg_desc_dcdc(2, 1000000, 50000, 18, 12, 8);
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enum atc2609a_reg_ids {
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ATC2609A_ID_DCDC0,
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ATC2609A_ID_DCDC1,
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ATC2609A_ID_DCDC2,
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ATC2609A_ID_DCDC3,
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ATC2609A_ID_DCDC4,
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ATC2609A_ID_LDO0,
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ATC2609A_ID_LDO1,
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ATC2609A_ID_LDO2,
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ATC2609A_ID_LDO3,
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ATC2609A_ID_LDO4,
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ATC2609A_ID_LDO5,
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ATC2609A_ID_LDO6,
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ATC2609A_ID_LDO7,
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ATC2609A_ID_LDO8,
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ATC2609A_ID_LDO9,
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ATC2609A_ID_MAX,
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};
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||||
|
||||
#define atc2609a_reg_desc_dcdc(num, en_bit) { \
|
||||
.name = "DCDC"#num, \
|
||||
.supply_name = "dcdc"#num, \
|
||||
.of_match = of_match_ptr("dcdc"#num), \
|
||||
.regulators_node = of_match_ptr("regulators"), \
|
||||
.id = ATC2609A_ID_DCDC##num, \
|
||||
.ops = &atc260x_dcdc_ops, \
|
||||
.type = REGULATOR_VOLTAGE, \
|
||||
.min_uV = 600000, \
|
||||
.uV_step = 6250, \
|
||||
.n_voltages = 256, \
|
||||
.vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \
|
||||
.vsel_mask = GENMASK(15, 8), \
|
||||
.enable_reg = ATC2609A_PMU_DC_OSC, \
|
||||
.enable_mask = BIT(en_bit), \
|
||||
.enable_time = 800, \
|
||||
.owner = THIS_MODULE, \
|
||||
}
|
||||
|
||||
#define atc2609a_reg_desc_dcdc_range(num, en_bit) { \
|
||||
.name = "DCDC"#num, \
|
||||
.supply_name = "dcdc"#num, \
|
||||
.of_match = of_match_ptr("dcdc"#num), \
|
||||
.regulators_node = of_match_ptr("regulators"), \
|
||||
.id = ATC2609A_ID_DCDC##num, \
|
||||
.ops = &atc260x_dcdc_range_ops, \
|
||||
.type = REGULATOR_VOLTAGE, \
|
||||
.n_voltages = 233, \
|
||||
.linear_ranges = atc2609a_dcdc_voltage_ranges, \
|
||||
.n_linear_ranges = ARRAY_SIZE(atc2609a_dcdc_voltage_ranges), \
|
||||
.vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \
|
||||
.vsel_mask = GENMASK(15, 8), \
|
||||
.enable_reg = ATC2609A_PMU_DC_OSC, \
|
||||
.enable_mask = BIT(en_bit), \
|
||||
.enable_time = 800, \
|
||||
.owner = THIS_MODULE, \
|
||||
}
|
||||
|
||||
#define atc2609a_reg_desc_ldo(num) { \
|
||||
.name = "LDO"#num, \
|
||||
.supply_name = "ldo"#num, \
|
||||
.of_match = of_match_ptr("ldo"#num), \
|
||||
.regulators_node = of_match_ptr("regulators"), \
|
||||
.id = ATC2609A_ID_LDO##num, \
|
||||
.ops = &atc260x_ldo_ops, \
|
||||
.type = REGULATOR_VOLTAGE, \
|
||||
.min_uV = 700000, \
|
||||
.uV_step = 100000, \
|
||||
.n_voltages = 16, \
|
||||
.vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.vsel_mask = GENMASK(4, 1), \
|
||||
.enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.enable_mask = BIT(0), \
|
||||
.enable_time = 2000, \
|
||||
.owner = THIS_MODULE, \
|
||||
}
|
||||
|
||||
#define atc2609a_reg_desc_ldo_bypass(num) { \
|
||||
.name = "LDO"#num, \
|
||||
.supply_name = "ldo"#num, \
|
||||
.of_match = of_match_ptr("ldo"#num), \
|
||||
.regulators_node = of_match_ptr("regulators"), \
|
||||
.id = ATC2609A_ID_LDO##num, \
|
||||
.ops = &atc260x_ldo_bypass_ops, \
|
||||
.type = REGULATOR_VOLTAGE, \
|
||||
.min_uV = 2300000, \
|
||||
.uV_step = 100000, \
|
||||
.n_voltages = 12, \
|
||||
.vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.vsel_mask = GENMASK(5, 2), \
|
||||
.enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.enable_mask = BIT(0), \
|
||||
.enable_time = 2000, \
|
||||
.bypass_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.bypass_mask = BIT(1), \
|
||||
.owner = THIS_MODULE, \
|
||||
}
|
||||
|
||||
#define atc2609a_reg_desc_ldo_range_pick(num, n_range) { \
|
||||
.name = "LDO"#num, \
|
||||
.supply_name = "ldo"#num, \
|
||||
.of_match = of_match_ptr("ldo"#num), \
|
||||
.regulators_node = of_match_ptr("regulators"), \
|
||||
.id = ATC2609A_ID_LDO##num, \
|
||||
.ops = &atc260x_ldo_range_pick_ops, \
|
||||
.type = REGULATOR_VOLTAGE, \
|
||||
.linear_ranges = atc2609a_ldo_voltage_ranges##n_range, \
|
||||
.n_linear_ranges = ARRAY_SIZE(atc2609a_ldo_voltage_ranges##n_range), \
|
||||
.vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.vsel_mask = GENMASK(4, 1), \
|
||||
.vsel_range_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.vsel_range_mask = BIT(5), \
|
||||
.linear_range_selectors = atc260x_ldo_voltage_range_sel, \
|
||||
.enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \
|
||||
.enable_mask = BIT(0), \
|
||||
.enable_time = 2000, \
|
||||
.owner = THIS_MODULE, \
|
||||
}
|
||||
|
||||
#define atc2609a_reg_desc_ldo_fixed(num) { \
|
||||
.name = "LDO"#num, \
|
||||
.supply_name = "ldo"#num, \
|
||||
.of_match = of_match_ptr("ldo"#num), \
|
||||
.regulators_node = of_match_ptr("regulators"), \
|
||||
.id = ATC2609A_ID_LDO##num, \
|
||||
.ops = &atc260x_ldo_fixed_ops, \
|
||||
.type = REGULATOR_VOLTAGE, \
|
||||
.min_uV = 2600000, \
|
||||
.uV_step = 100000, \
|
||||
.n_voltages = 8, \
|
||||
.vsel_reg = ATC2609A_PMU_LDO##num##_CTL, \
|
||||
.vsel_mask = GENMASK(15, 13), \
|
||||
.enable_time = 2000, \
|
||||
.owner = THIS_MODULE, \
|
||||
}
|
||||
|
||||
static const struct regulator_desc atc2609a_reg[] = {
|
||||
atc2609a_reg_desc_dcdc(0, 4),
|
||||
atc2609a_reg_desc_dcdc(1, 5),
|
||||
atc2609a_reg_desc_dcdc(2, 6),
|
||||
atc2609a_reg_desc_dcdc_range(3, 7),
|
||||
atc2609a_reg_desc_dcdc(4, 8),
|
||||
atc2609a_reg_desc_ldo_bypass(0),
|
||||
atc2609a_reg_desc_ldo_bypass(1),
|
||||
atc2609a_reg_desc_ldo_bypass(2),
|
||||
atc2609a_reg_desc_ldo_range_pick(3, 0),
|
||||
atc2609a_reg_desc_ldo_range_pick(4, 0),
|
||||
atc2609a_reg_desc_ldo(5),
|
||||
atc2609a_reg_desc_ldo_range_pick(6, 1),
|
||||
atc2609a_reg_desc_ldo_range_pick(7, 0),
|
||||
atc2609a_reg_desc_ldo_range_pick(8, 0),
|
||||
atc2609a_reg_desc_ldo_fixed(9),
|
||||
};
|
||||
|
||||
static int atc260x_regulator_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct atc260x *atc260x = dev_get_drvdata(pdev->dev.parent);
|
||||
struct device *dev = atc260x->dev;
|
||||
struct atc260x_regulator_data *atc260x_data;
|
||||
struct regulator_config config = {};
|
||||
struct regulator_dev *atc260x_rdev;
|
||||
const struct regulator_desc *regulators;
|
||||
bool atc2603c_ver_b = false;
|
||||
int i, nregulators;
|
||||
|
||||
atc260x_data = devm_kzalloc(&pdev->dev, sizeof(*atc260x_data), GFP_KERNEL);
|
||||
if (!atc260x_data)
|
||||
return -ENOMEM;
|
||||
|
||||
atc260x_data->voltage_time_dcdc = 350;
|
||||
atc260x_data->voltage_time_ldo = 800;
|
||||
|
||||
switch (atc260x->ic_type) {
|
||||
case ATC2603C:
|
||||
regulators = atc2603c_reg;
|
||||
nregulators = ATC2603C_ID_MAX;
|
||||
atc2603c_ver_b = atc260x->ic_ver == ATC260X_B;
|
||||
break;
|
||||
case ATC2609A:
|
||||
atc260x_data->voltage_time_dcdc = 250;
|
||||
regulators = atc2609a_reg;
|
||||
nregulators = ATC2609A_ID_MAX;
|
||||
break;
|
||||
default:
|
||||
dev_err(dev, "unsupported ATC260X ID %d\n", atc260x->ic_type);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
config.dev = dev;
|
||||
config.regmap = atc260x->regmap;
|
||||
config.driver_data = atc260x_data;
|
||||
|
||||
/* Instantiate the regulators */
|
||||
for (i = 0; i < nregulators; i++) {
|
||||
if (atc2603c_ver_b && regulators[i].id == ATC2603C_ID_DCDC2)
|
||||
atc260x_rdev = devm_regulator_register(&pdev->dev,
|
||||
&atc2603c_reg_dcdc2_ver_b,
|
||||
&config);
|
||||
else
|
||||
atc260x_rdev = devm_regulator_register(&pdev->dev,
|
||||
®ulators[i],
|
||||
&config);
|
||||
if (IS_ERR(atc260x_rdev)) {
|
||||
dev_err(dev, "failed to register regulator: %d\n", i);
|
||||
return PTR_ERR(atc260x_rdev);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver atc260x_regulator_driver = {
|
||||
.probe = atc260x_regulator_probe,
|
||||
.driver = {
|
||||
.name = "atc260x-regulator",
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(atc260x_regulator_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Regulator driver for ATC260x PMICs");
|
||||
MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
|
||||
MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue