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Commit 1d263384 authored by Mark Brown's avatar Mark Brown
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Add MediaTek MT6357 PMIC support 

Merge series from Alexandre Mergnat <amergnat@baylibre.com>:

This adds regulator support for the MT6357 PMIC.
parents ba62319a dafc7cde
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Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml 0 → 100644
View file @ 1d263384
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/mediatek,mt6357-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MT6357 Regulators
maintainers:
- Chen Zhong <chen.zhong@mediatek.com>
- Fabien Parent <fabien.parent@linaro.org>
- Alexandre Mergnat <amergnat@baylibre.com>
description: |
The MT6357 PMIC provides 5 BUCK and 29 LDO.
Regulators and nodes are named according to the regulator type:
- buck-<name>
- ldo-<name>.
MT6357 regulators node should be sub node of the MT6397 MFD node.
patternProperties:
"^buck-v(core|modem|pa|proc|s1)$":
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
description:
Properties for single BUCK regulator.
required:
- regulator-name
- regulator-min-microvolt
- regulator-max-microvolt
"^ldo-v(camio18|aud28|aux18|io18|io28|rf12|rf18|cn18|cn28|fe28)$":
type: object
$ref: fixed-regulator.yaml#
unevaluatedProperties: false
description:
Properties for single fixed LDO regulator.
required:
- regulator-name
- regulator-min-microvolt
- regulator-max-microvolt
"^ldo-v(efuse|ibr|ldo28|mch|cama|camd|cn33-bt|cn33-wifi)$":
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
description:
Properties for single LDO regulator.
required:
- regulator-name
- regulator-min-microvolt
- regulator-max-microvolt
"^ldo-v(xo22|emc|mc|sim1|sim2|sram-others|sram-proc|dram|usb33)$":
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
description:
Properties for single LDO regulator.
required:
- regulator-name
- regulator-min-microvolt
- regulator-max-microvolt
additionalProperties: false
examples:
- |
pmic {
regulators {
mt6357_vproc_reg: buck-vproc {
regulator-name = "vproc";
regulator-min-microvolt = <518750>;
regulator-max-microvolt = <1312500>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <220>;
regulator-always-on;
};
mt6357_vcore_reg: buck-vcore {
regulator-name = "vcore";
regulator-min-microvolt = <518750>;
regulator-max-microvolt = <1312500>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <220>;
regulator-always-on;
};
mt6357_vmodem_reg: buck-vmodem {
regulator-name = "vmodem";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <1193750>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <220>;
};
mt6357_vs1_reg: buck-vs1 {
regulator-name = "vs1";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <2200000>;
regulator-ramp-delay = <12500>;
regulator-enable-ramp-delay = <220>;
regulator-always-on;
};
mt6357_vpa_reg: buck-vpa {
regulator-name = "vpa";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3650000>;
regulator-ramp-delay = <50000>;
regulator-enable-ramp-delay = <220>;
};
mt6357_vfe28_reg: ldo-vfe28 {
compatible = "regulator-fixed";
regulator-name = "vfe28";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vxo22_reg: ldo-vxo22 {
regulator-name = "vxo22";
regulator-min-microvolt = <2200000>;
regulator-max-microvolt = <2400000>;
regulator-enable-ramp-delay = <110>;
};
mt6357_vrf18_reg: ldo-vrf18 {
compatible = "regulator-fixed";
regulator-name = "vrf18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <110>;
};
mt6357_vrf12_reg: ldo-vrf12 {
compatible = "regulator-fixed";
regulator-name = "vrf12";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-enable-ramp-delay = <110>;
};
mt6357_vefuse_reg: ldo-vefuse {
regulator-name = "vefuse";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vcn33_bt_reg: ldo-vcn33-bt {
regulator-name = "vcn33-bt";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3500000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vcn33_wifi_reg: ldo-vcn33-wifi {
regulator-name = "vcn33-wifi";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3500000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vcn28_reg: ldo-vcn28 {
compatible = "regulator-fixed";
regulator-name = "vcn28";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vcn18_reg: ldo-vcn18 {
compatible = "regulator-fixed";
regulator-name = "vcn18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vcama_reg: ldo-vcama {
regulator-name = "vcama";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vcamd_reg: ldo-vcamd {
regulator-name = "vcamd";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vcamio_reg: ldo-vcamio18 {
compatible = "regulator-fixed";
regulator-name = "vcamio";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vldo28_reg: ldo-vldo28 {
regulator-name = "vldo28";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <3000000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vsram_others_reg: ldo-vsram-others {
regulator-name = "vsram-others";
regulator-min-microvolt = <518750>;
regulator-max-microvolt = <1312500>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <110>;
regulator-always-on;
};
mt6357_vsram_proc_reg: ldo-vsram-proc {
regulator-name = "vsram-proc";
regulator-min-microvolt = <518750>;
regulator-max-microvolt = <1312500>;
regulator-ramp-delay = <6250>;
regulator-enable-ramp-delay = <110>;
regulator-always-on;
};
mt6357_vaux18_reg: ldo-vaux18 {
compatible = "regulator-fixed";
regulator-name = "vaux18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vaud28_reg: ldo-vaud28 {
compatible = "regulator-fixed";
regulator-name = "vaud28";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vio28_reg: ldo-vio28 {
compatible = "regulator-fixed";
regulator-name = "vio28";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vio18_reg: ldo-vio18 {
compatible = "regulator-fixed";
regulator-name = "vio18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-enable-ramp-delay = <264>;
regulator-always-on;
};
mt6357_vdram_reg: ldo-vdram {
regulator-name = "vdram";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1200000>;
regulator-enable-ramp-delay = <3300>;
};
mt6357_vmc_reg: ldo-vmc {
regulator-name = "vmc";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <44>;
};
mt6357_vmch_reg: ldo-vmch {
regulator-name = "vmch";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <44>;
};
mt6357_vemc_reg: ldo-vemc {
regulator-name = "vemc";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <44>;
regulator-always-on;
};
mt6357_vsim1_reg: ldo-vsim1 {
regulator-name = "vsim1";
regulator-min-microvolt = <1700000>;
regulator-max-microvolt = <3100000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vsim2_reg: ldo-vsim2 {
regulator-name = "vsim2";
regulator-min-microvolt = <1700000>;
regulator-max-microvolt = <3100000>;
regulator-enable-ramp-delay = <264>;
};
mt6357_vibr_reg: ldo-vibr {
regulator-name = "vibr";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3300000>;
regulator-enable-ramp-delay = <44>;
};
mt6357_vusb33_reg: ldo-vusb33 {
regulator-name = "vusb33";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3100000>;
regulator-enable-ramp-delay = <264>;
};
};
};
...
drivers/regulator/Kconfig
View file @ 1d263384
......@@ -805,6 +805,15 @@ config REGULATOR_MT6332
This driver supports the control of different power rails of device
through regulator interface
config REGULATOR_MT6357
tristate "MediaTek MT6357 PMIC"
depends on MFD_MT6397
help
Say y here to select this option to enable the power regulator of
MediaTek MT6357 PMIC.
This driver supports the control of different power rails of device
through regulator interface.
config REGULATOR_MT6358
tristate "MediaTek MT6358 PMIC"
depends on MFD_MT6397
......
drivers/regulator/Makefile
View file @ 1d263384
......@@ -97,6 +97,7 @@ obj-$(CONFIG_REGULATOR_MT6315) += mt6315-regulator.o
obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
obj-$(CONFIG_REGULATOR_MT6331) += mt6331-regulator.o
obj-$(CONFIG_REGULATOR_MT6332) += mt6332-regulator.o
obj-$(CONFIG_REGULATOR_MT6357) += mt6357-regulator.o
obj-$(CONFIG_REGULATOR_MT6358) += mt6358-regulator.o
obj-$(CONFIG_REGULATOR_MT6359) += mt6359-regulator.o
obj-$(CONFIG_REGULATOR_MT6360) += mt6360-regulator.o
......
drivers/regulator/mt6357-regulator.c 0 → 100644
View file @ 1d263384
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2022 MediaTek Inc.
// Copyright (c) 2022 BayLibre, SAS.
// Author: Chen Zhong <chen.zhong@mediatek.com>
// Author: Fabien Parent <fparent@baylibre.com>
// Author: Alexandre Mergnat <amergnat@baylibre.com>
//
// Based on mt6397-regulator.c
//
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/mfd/mt6397/core.h>
#include <linux/mfd/mt6357/registers.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/mt6357-regulator.h>
#include <linux/regulator/of_regulator.h>
/*
* MT6357 regulators' information
*
* @desc: standard fields of regulator description.
* @da_vsel_reg: Monitor register for query buck's voltage.
* @da_vsel_mask: Mask for query buck's voltage.
*/
struct mt6357_regulator_info {
struct regulator_desc desc;
u32 da_vsel_reg;
u32 da_vsel_mask;
};
#define MT6357_BUCK(match, vreg, min, max, step, \
volt_ranges, vosel_reg, vosel_mask, _da_vsel_mask) \
[MT6357_ID_##vreg] = { \
.desc = { \
.name = #vreg, \
.of_match = of_match_ptr(match), \
.regulators_node = "regulators", \
.ops = &mt6357_volt_range_ops, \
.type = REGULATOR_VOLTAGE, \
.id = MT6357_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = ((max) - (min)) / (step) + 1, \
.linear_ranges = volt_ranges, \
.n_linear_ranges = ARRAY_SIZE(volt_ranges), \
.vsel_reg = vosel_reg, \
.vsel_mask = vosel_mask, \
.enable_reg = MT6357_BUCK_##vreg##_CON0, \
.enable_mask = BIT(0), \
}, \
.da_vsel_reg = MT6357_BUCK_##vreg##_DBG0, \
.da_vsel_mask = vosel_mask, \
}
#define MT6357_LDO(match, vreg, ldo_volt_table, \
enreg, vosel, vosel_mask) \
[MT6357_ID_##vreg] = { \
.desc = { \
.name = #vreg, \
.of_match = of_match_ptr(match), \
.regulators_node = "regulators", \
.ops = &mt6357_volt_table_ops, \
.type = REGULATOR_VOLTAGE, \
.id = MT6357_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = ARRAY_SIZE(ldo_volt_table), \
.volt_table = ldo_volt_table, \
.vsel_reg = vosel, \
.vsel_mask = vosel_mask, \
.enable_reg = enreg, \
.enable_mask = BIT(0), \
}, \
}
#define MT6357_LDO1(match, vreg, min, max, step, volt_ranges, \
enreg, vosel, vosel_mask) \
[MT6357_ID_##vreg] = { \
.desc = { \
.name = #vreg, \
.of_match = of_match_ptr(match), \
.regulators_node = "regulators", \
.ops = &mt6357_volt_range_ops, \
.type = REGULATOR_VOLTAGE, \
.id = MT6357_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = ((max) - (min)) / (step) + 1, \
.linear_ranges = volt_ranges, \
.n_linear_ranges = ARRAY_SIZE(volt_ranges), \
.vsel_reg = vosel, \
.vsel_mask = vosel_mask, \
.enable_reg = enreg, \
.enable_mask = BIT(0), \
}, \
.da_vsel_reg = MT6357_LDO_##vreg##_DBG0, \
.da_vsel_mask = 0x7f00, \
}
#define MT6357_REG_FIXED(match, vreg, volt) \
[MT6357_ID_##vreg] = { \
.desc = { \
.name = #vreg, \
.of_match = of_match_ptr(match), \
.regulators_node = "regulators", \
.ops = &mt6357_volt_fixed_ops, \
.type = REGULATOR_VOLTAGE, \
.id = MT6357_ID_##vreg, \
.owner = THIS_MODULE, \
.n_voltages = 1, \
.enable_reg = MT6357_LDO_##vreg##_CON0, \
.enable_mask = BIT(0), \
.min_uV = volt, \
}, \
}
/**
* mt6357_get_buck_voltage_sel - get_voltage_sel for regmap users
*
* @rdev: regulator to operate on
*
* Regulators that use regmap for their register I/O can set the
* da_vsel_reg and da_vsel_mask fields in the info structure and
* then use this as their get_voltage_vsel operation.
*/
static int mt6357_get_buck_voltage_sel(struct regulator_dev *rdev)
{
int ret, regval;
struct mt6357_regulator_info *info = rdev_get_drvdata(rdev);
ret = regmap_read(rdev->regmap, info->da_vsel_reg, &regval);
if (ret != 0) {
dev_err(&rdev->dev,
"Failed to get mt6357 Buck %s vsel reg: %d\n",
info->desc.name, ret);
return ret;
}
regval &= info->da_vsel_mask;
regval >>= ffs(info->da_vsel_mask) - 1;
return regval;
}
static const struct regulator_ops mt6357_volt_range_ops = {
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = mt6357_get_buck_voltage_sel,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
};
static const struct regulator_ops mt6357_volt_table_ops = {
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_iterate,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
};
static const struct regulator_ops mt6357_volt_fixed_ops = {
.list_voltage = regulator_list_voltage_linear,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
};
static const int vxo22_voltages[] = {
2200000,
0,
2400000,
};
static const int vefuse_voltages[] = {
1200000,
1300000,
1500000,
0,
1800000,
0,
0,
0,
0,
2800000,
2900000,
3000000,
0,
3300000,
};
static const int vcn33_voltages[] = {
0,
3300000,
3400000,
3500000,
};
static const int vcama_voltages[] = {
0,
0,
0,
0,
0,
0,
0,
2500000,
0,
0,
2800000,
};
static const int vcamd_voltages[] = {
0,
0,
0,
0,
1000000,
1100000,
1200000,
1300000,
0,
1500000,
0,
0,
1800000,
};
static const int vldo28_voltages[] = {
0,
2800000,
0,
3000000,
};
static const int vdram_voltages[] = {
0,
1100000,
1200000,
};
static const int vsim_voltages[] = {
0,
0,
0,
1700000,
1800000,
0,
0,
0,
2700000,
0,
0,
3000000,
3100000,
};
static const int vibr_voltages[] = {
1200000,
1300000,
1500000,
0,
1800000,
2000000,
0,
0,
0,
2800000,
0,
3000000,
0,
3300000,
};
static const int vmc_voltages[] = {
0,
0,
0,
0,
1800000,
0,
0,
0,
0,
0,
2900000,
3000000,
0,
3300000,
};
static const int vmch_voltages[] = {
0,
0,
2900000,
3000000,
0,
3300000,
};
static const int vemc_voltages[] = {
0,
0,
2900000,
3000000,
0,
3300000,
};
static const int vusb_voltages[] = {
0,
0,
0,
3000000,
3100000,
};
static const struct linear_range buck_volt_range1[] = {
REGULATOR_LINEAR_RANGE(518750, 0, 0x7f, 6250),
};
static const struct linear_range buck_volt_range2[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 0x7f, 6250),
};
static const struct linear_range buck_volt_range3[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 0x3f, 50000),
};
static const struct linear_range buck_volt_range4[] = {
REGULATOR_LINEAR_RANGE(1200000, 0, 0x7f, 12500),
};
/* The array is indexed by id(MT6357_ID_XXX) */
static struct mt6357_regulator_info mt6357_regulators[] = {
/* Bucks */
MT6357_BUCK("buck-vcore", VCORE, 518750, 1312500, 6250,
buck_volt_range1, MT6357_BUCK_VCORE_ELR0, 0x7f, 0x7f),
MT6357_BUCK("buck-vproc", VPROC, 518750, 1312500, 6250,
buck_volt_range1, MT6357_BUCK_VPROC_ELR0, 0x7f, 0x7f),
MT6357_BUCK("buck-vmodem", VMODEM, 500000, 1293750, 6250,
buck_volt_range2, MT6357_BUCK_VMODEM_ELR0, 0x7f, 0x7f),
MT6357_BUCK("buck-vpa", VPA, 500000, 3650000, 50000,
buck_volt_range3, MT6357_BUCK_VPA_CON1, 0x3f, 0x3f),
MT6357_BUCK("buck-vs1", VS1, 1200000, 2787500, 12500,
buck_volt_range4, MT6357_BUCK_VS1_ELR0, 0x7f, 0x7f),
/* LDOs */
MT6357_LDO("ldo-vcama", VCAMA, vcama_voltages,
MT6357_LDO_VCAMA_CON0, MT6357_VCAMA_ANA_CON0, 0xf00),
MT6357_LDO("ldo-vcamd", VCAMD, vcamd_voltages,
MT6357_LDO_VCAMD_CON0, MT6357_VCAMD_ANA_CON0, 0xf00),
MT6357_LDO("ldo-vcn33-bt", VCN33_BT, vcn33_voltages,
MT6357_LDO_VCN33_CON0_0, MT6357_VCN33_ANA_CON0, 0x300),
MT6357_LDO("ldo-vcn33-wifi", VCN33_WIFI, vcn33_voltages,
MT6357_LDO_VCN33_CON0_1, MT6357_VCN33_ANA_CON0, 0x300),
MT6357_LDO("ldo-vdram", VDRAM, vdram_voltages,
MT6357_LDO_VDRAM_CON0, MT6357_VDRAM_ELR_2, 0x300),
MT6357_LDO("ldo-vefuse", VEFUSE, vefuse_voltages,
MT6357_LDO_VEFUSE_CON0, MT6357_VEFUSE_ANA_CON0, 0xf00),
MT6357_LDO("ldo-vemc", VEMC, vemc_voltages,
MT6357_LDO_VEMC_CON0, MT6357_VEMC_ANA_CON0, 0x700),
MT6357_LDO("ldo-vibr", VIBR, vibr_voltages,
MT6357_LDO_VIBR_CON0, MT6357_VIBR_ANA_CON0, 0xf00),
MT6357_LDO("ldo-vldo28", VLDO28, vldo28_voltages,
MT6357_LDO_VLDO28_CON0_0, MT6357_VLDO28_ANA_CON0, 0x300),
MT6357_LDO("ldo-vmc", VMC, vmc_voltages,
MT6357_LDO_VMC_CON0, MT6357_VMC_ANA_CON0, 0xf00),
MT6357_LDO("ldo-vmch", VMCH, vmch_voltages,
MT6357_LDO_VMCH_CON0, MT6357_VMCH_ANA_CON0, 0x700),
MT6357_LDO("ldo-vsim1", VSIM1, vsim_voltages,
MT6357_LDO_VSIM1_CON0, MT6357_VSIM1_ANA_CON0, 0xf00),
MT6357_LDO("ldo-vsim2", VSIM2, vsim_voltages,
MT6357_LDO_VSIM2_CON0, MT6357_VSIM2_ANA_CON0, 0xf00),
MT6357_LDO("ldo-vusb33", VUSB33, vusb_voltages,
MT6357_LDO_VUSB33_CON0_0, MT6357_VUSB33_ANA_CON0, 0x700),
MT6357_LDO("ldo-vxo22", VXO22, vxo22_voltages,
MT6357_LDO_VXO22_CON0, MT6357_VXO22_ANA_CON0, 0x300),
MT6357_LDO1("ldo-vsram-proc", VSRAM_PROC, 518750, 1312500, 6250,
buck_volt_range1, MT6357_LDO_VSRAM_PROC_CON0,
MT6357_LDO_VSRAM_CON0, 0x7f00),
MT6357_LDO1("ldo-vsram-others", VSRAM_OTHERS, 518750, 1312500, 6250,
buck_volt_range1, MT6357_LDO_VSRAM_OTHERS_CON0,
MT6357_LDO_VSRAM_CON1, 0x7f00),
MT6357_REG_FIXED("ldo-vaud28", VAUD28, 2800000),
MT6357_REG_FIXED("ldo-vaux18", VAUX18, 1800000),
MT6357_REG_FIXED("ldo-vcamio18", VCAMIO, 1800000),
MT6357_REG_FIXED("ldo-vcn18", VCN18, 1800000),
MT6357_REG_FIXED("ldo-vcn28", VCN28, 2800000),
MT6357_REG_FIXED("ldo-vfe28", VFE28, 2800000),
MT6357_REG_FIXED("ldo-vio18", VIO18, 1800000),
MT6357_REG_FIXED("ldo-vio28", VIO28, 2800000),
MT6357_REG_FIXED("ldo-vrf12", VRF12, 1200000),
MT6357_REG_FIXED("ldo-vrf18", VRF18, 1800000),
};
static int mt6357_regulator_probe(struct platform_device *pdev)
{
struct mt6397_chip *mt6357 = dev_get_drvdata(pdev->dev.parent);
struct regulator_config config = {};
struct regulator_dev *rdev;
int i;
pdev->dev.of_node = pdev->dev.parent->of_node;
for (i = 0; i < MT6357_MAX_REGULATOR; i++) {
config.dev = &pdev->dev;
config.driver_data = &mt6357_regulators[i];
config.regmap = mt6357->regmap;
rdev = devm_regulator_register(&pdev->dev,
&mt6357_regulators[i].desc,
&config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "failed to register %s\n",
mt6357_regulators[i].desc.name);
return PTR_ERR(rdev);
}
}
return 0;
}
static const struct platform_device_id mt6357_platform_ids[] = {
{ "mt6357-regulator" },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(platform, mt6357_platform_ids);
static struct platform_driver mt6357_regulator_driver = {
.driver = {
.name = "mt6357-regulator",
},
.probe = mt6357_regulator_probe,
.id_table = mt6357_platform_ids,
};
module_platform_driver(mt6357_regulator_driver);
MODULE_AUTHOR("Chen Zhong <chen.zhong@mediatek.com>");
MODULE_AUTHOR("Fabien Parent <fabien.parent@linaro.org>");
MODULE_AUTHOR("Alexandre Mergnat <amergnat@baylibre.com>");
MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6357 PMIC");
MODULE_LICENSE("GPL");
include/linux/regulator/mt6357-regulator.h 0 → 100644
View file @ 1d263384
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2022 MediaTek Inc.
*/
#ifndef __LINUX_REGULATOR_MT6357_H
#define __LINUX_REGULATOR_MT6357_H
enum {
/* Bucks */
MT6357_ID_VCORE,
MT6357_ID_VMODEM,
MT6357_ID_VPA,
MT6357_ID_VPROC,
MT6357_ID_VS1,
/* LDOs */
MT6357_ID_VAUX18,
MT6357_ID_VAUD28,
MT6357_ID_VCAMA,
MT6357_ID_VCAMD,
MT6357_ID_VCAMIO,
MT6357_ID_VCN18,
MT6357_ID_VCN28,
MT6357_ID_VCN33_BT,
MT6357_ID_VCN33_WIFI,
MT6357_ID_VDRAM,
MT6357_ID_VEFUSE,
MT6357_ID_VEMC,
MT6357_ID_VFE28,
MT6357_ID_VIBR,
MT6357_ID_VIO18,
MT6357_ID_VIO28,
MT6357_ID_VLDO28,
MT6357_ID_VMC,
MT6357_ID_VMCH,
MT6357_ID_VRF12,
MT6357_ID_VRF18,
MT6357_ID_VSIM1,
MT6357_ID_VSIM2,
MT6357_ID_VSRAM_OTHERS,
MT6357_ID_VSRAM_PROC,
MT6357_ID_VUSB33,
MT6357_ID_VXO22,
MT6357_ID_RG_MAX,
};
#define MT6357_MAX_REGULATOR MT6357_ID_RG_MAX
#endif /* __LINUX_REGULATOR_MT6357_H */
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