diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml new file mode 100644 index 0000000000000000000000000000000000000000..6327bb2f6ee080a178ff3e982768c5eb0595e771 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml @@ -0,0 +1,294 @@ +# 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 + - Fabien Parent + - Alexandre Mergnat + +description: | + The MT6357 PMIC provides 5 BUCK and 29 LDO. + Regulators and nodes are named according to the regulator type: + - buck- + - ldo-. + 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>; + }; + }; + }; +... diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index c0f200c3f122a5493185f8d45b99f86b5d09a595..820c9a0788e5e2394c244ba9df10eeb21e7ede4c 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -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 diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index c3b5cf6cceab196af565f64df213d53ea90506fb..b9f5eb35bf5f93dfc0c347100b87ca58b5459e02 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -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 diff --git a/drivers/regulator/mt6357-regulator.c b/drivers/regulator/mt6357-regulator.c new file mode 100644 index 0000000000000000000000000000000000000000..b2352b96aed2dbb5ccd3aa1ffe887c376d0f9838 --- /dev/null +++ b/drivers/regulator/mt6357-regulator.c @@ -0,0 +1,453 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2022 MediaTek Inc. +// Copyright (c) 2022 BayLibre, SAS. +// Author: Chen Zhong +// Author: Fabien Parent +// Author: Alexandre Mergnat +// +// Based on mt6397-regulator.c +// + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * 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, ®val); + 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 "); +MODULE_AUTHOR("Fabien Parent "); +MODULE_AUTHOR("Alexandre Mergnat "); +MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6357 PMIC"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/regulator/mt6357-regulator.h b/include/linux/regulator/mt6357-regulator.h new file mode 100644 index 0000000000000000000000000000000000000000..238b1ee77ea6d60e72c8861711438216b6bfc057 --- /dev/null +++ b/include/linux/regulator/mt6357-regulator.h @@ -0,0 +1,51 @@ +/* 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 */