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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.
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Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml 0 → 100644
浏览文件 @ 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
浏览文件 @ 1d263384
...@@ -805,6 +805,15 @@ config REGULATOR_MT6332 ...@@ -805,6 +805,15 @@ config REGULATOR_MT6332
This driver supports the control of different power rails of device This driver supports the control of different power rails of device
through regulator interface 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 config REGULATOR_MT6358
tristate "MediaTek MT6358 PMIC" tristate "MediaTek MT6358 PMIC"
depends on MFD_MT6397 depends on MFD_MT6397
......
drivers/regulator/Makefile
浏览文件 @ 1d263384
...@@ -97,6 +97,7 @@ obj-$(CONFIG_REGULATOR_MT6315) += mt6315-regulator.o ...@@ -97,6 +97,7 @@ obj-$(CONFIG_REGULATOR_MT6315) += mt6315-regulator.o
obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o
obj-$(CONFIG_REGULATOR_MT6331) += mt6331-regulator.o obj-$(CONFIG_REGULATOR_MT6331) += mt6331-regulator.o
obj-$(CONFIG_REGULATOR_MT6332) += mt6332-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_MT6358) += mt6358-regulator.o
obj-$(CONFIG_REGULATOR_MT6359) += mt6359-regulator.o obj-$(CONFIG_REGULATOR_MT6359) += mt6359-regulator.o
obj-$(CONFIG_REGULATOR_MT6360) += mt6360-regulator.o obj-$(CONFIG_REGULATOR_MT6360) += mt6360-regulator.o
......
drivers/regulator/mt6357-regulator.c 0 → 100644
浏览文件 @ 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
浏览文件 @ 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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