diff options
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/mediatek,mt6316b-regulator.yaml | 76 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/mediatek,mt6316c-regulator.yaml | 76 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/mediatek,mt6316d-regulator.yaml | 75 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/mediatek,mt6363-regulator.yaml | 146 | ||||
| -rw-r--r-- | drivers/regulator/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/regulator/Makefile | 2 | ||||
| -rw-r--r-- | drivers/regulator/mt6316-regulator.c | 345 | ||||
| -rw-r--r-- | drivers/regulator/mt6363-regulator.c | 938 | ||||
| -rw-r--r-- | include/linux/regulator/mt6363-regulator.h | 330 |
9 files changed, 2008 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6316b-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6316b-regulator.yaml new file mode 100644 index 000000000000..ea595935f4c4 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6316b-regulator.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6316b-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6316 BP/VP SPMI PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +description: + The MediaTek MT6316BP/VP PMICs are fully controlled by SPMI interface, both + feature four step-down DC/DC (buck) converters, and provides 2+2 Phases, + joining Buck 1+2 for the first phase, and Buck 3+4 for the second phase. + +properties: + compatible: + const: mediatek,mt6316b-regulator + + reg: + maxItems: 1 + +patternProperties: + "^vbuck(12|34)$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + properties: + regulator-allowed-modes: + description: | + Allowed Buck regulator operating modes allowed. Valid values below. + 0 - Normal mode with automatic power saving, reducing the switching + frequency when light load conditions are detected + 1 - Forced Continuous Conduction mode (FCCM) for improved voltage + regulation accuracy with constant switching frequency but lower + regulator efficiency + 2 - Forced Low Power mode for improved regulator efficiency, used + when no heavy load is expected, will shut down unnecessary IP + blocks and secondary phases to reduce quiescent current. + This mode does not limit the maximum output current but unless + only a light load is applied, there will be regulation accuracy + and efficiency losses. + minItems: 1 + maxItems: 3 + items: + enum: [ 0, 1, 2 ] + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/spmi/spmi.h> + + spmi { + #address-cells = <2>; + #size-cells = <0>; + + pmic@8 { + compatible = "mediatek,mt6316b-regulator"; + reg = <0x8 SPMI_USID>; + + vbuck12 { + regulator-name = "dvdd_core"; + regulator-min-microvolt = <450000>; + regulator-max-microvolt = <965000>; + regulator-allowed-modes = <0 1 2>; + regulator-enable-ramp-delay = <256>; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6316c-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6316c-regulator.yaml new file mode 100644 index 000000000000..186dcd3f11ed --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6316c-regulator.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6316c-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6316 CP/HP/KP SPMI PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +description: + The MediaTek MT6316CP/HP/KP PMICs are fully controlled by SPMI interface, + features four step-down DC/DC (buck) converters, and provides 3+1 Phases, + joining Buck 1+2+4 for the first phase, and uses Buck 3 for the second. + +properties: + compatible: + const: mediatek,mt6316c-regulator + + reg: + maxItems: 1 + +patternProperties: + "^vbuck(124|3)$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + properties: + regulator-allowed-modes: + description: | + Allowed Buck regulator operating modes allowed. Valid values below. + 0 - Normal mode with automatic power saving, reducing the switching + frequency when light load conditions are detected + 1 - Forced Continuous Conduction mode (FCCM) for improved voltage + regulation accuracy with constant switching frequency but lower + regulator efficiency + 2 - Forced Low Power mode for improved regulator efficiency, used + when no heavy load is expected, will shut down unnecessary IP + blocks and secondary phases to reduce quiescent current. + This mode does not limit the maximum output current but unless + only a light load is applied, there will be regulation accuracy + and efficiency losses. + minItems: 1 + maxItems: 3 + items: + enum: [ 0, 1, 2 ] + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/spmi/spmi.h> + + spmi { + #address-cells = <2>; + #size-cells = <0>; + + pmic@6 { + compatible = "mediatek,mt6316c-regulator"; + reg = <0x6 SPMI_USID>; + + vbuck124 { + regulator-name = "dvdd_proc_m"; + regulator-min-microvolt = <450000>; + regulator-max-microvolt = <1277500>; + regulator-allowed-modes = <0 1 2>; + regulator-enable-ramp-delay = <256>; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6316d-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6316d-regulator.yaml new file mode 100644 index 000000000000..aa9e9ef3b52d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6316d-regulator.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6316d-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6316 DP/TP SPMI PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +description: + The MediaTek MT6316DP/TP PMICs are fully controlled by SPMI interface, both + feature four step-down DC/DC (buck) converters, and provides a single Phase, + joining Buck 1+2+3+4. + +properties: + compatible: + const: mediatek,mt6316d-regulator + + reg: + maxItems: 1 + + vbuck1234: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + properties: + regulator-allowed-modes: + description: | + Allowed Buck regulator operating modes allowed. Valid values below. + 0 - Normal mode with automatic power saving, reducing the switching + frequency when light load conditions are detected + 1 - Forced Continuous Conduction mode (FCCM) for improved voltage + regulation accuracy with constant switching frequency but lower + regulator efficiency + 2 - Forced Low Power mode for improved regulator efficiency, used + when no heavy load is expected, will shut down unnecessary IP + blocks and secondary phases to reduce quiescent current. + This mode does not limit the maximum output current but unless + only a light load is applied, there will be regulation accuracy + and efficiency losses. + minItems: 1 + maxItems: 3 + items: + enum: [ 0, 1, 2 ] + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/spmi/spmi.h> + + spmi { + #address-cells = <2>; + #size-cells = <0>; + + pmic@7 { + compatible = "mediatek,mt6316d-regulator"; + reg = <0x7 SPMI_USID>; + + vbuck1234 { + regulator-name = "dvdd_gpustack"; + regulator-min-microvolt = <400000>; + regulator-max-microvolt = <1277500>; + regulator-allowed-modes = <0 1 2>; + regulator-enable-ramp-delay = <256>; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6363-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6363-regulator.yaml new file mode 100644 index 000000000000..4f79d4f81d49 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6363-regulator.yaml @@ -0,0 +1,146 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/mediatek,mt6363-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MT6363 PMIC Regulators + +maintainers: + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +description: + The MT6363 SPMI PMIC provides 10 BUCK and 25 LDO (Low DropOut) regulators + and can optionally provide overcurrent warnings with one ocp interrupt + for each voltage regulator. + +properties: + compatible: + const: mediatek,mt6363-regulator + + reg: + maxItems: 1 + + vsys-vbuck1-supply: + description: Input supply for vbuck1 + + vsys-vbuck2-supply: + description: Input supply for vbuck2 + + vsys-vbuck3-supply: + description: Input supply for vbuck3 + + vsys-vbuck4-supply: + description: Input supply for vbuck4 + + vsys-vbuck5-supply: + description: Input supply for vbuck5 + + vsys-vbuck6-supply: + description: Input supply for vbuck6 + + vsys-vbuck7-supply: + description: Input supply for vbuck7 + + vsys-vs1-supply: + description: Input supply for vs1 + + vsys-vs2-supply: + description: Input supply for vs2 + + vsys-vs3-supply: + description: Input supply for vs3 + + vs1-ldo1-supply: + description: Input supply for va15, vio0p75, vm18, vrf18, vrf-io18 + + vs1-ldo2-supply: + description: Input supply for vcn15, vio18, vufs18 + + vs2-ldo1-supply: + description: Input supply for vsram-cpub, vsram-cpum, vrf12, vrf13, vufs12 + + vs2-ldo2-supply: + description: Input supply for va12-1, va12-2, vcn13, vsram-cpul + + vs3-ldo1-supply: + description: Input supply for vsram-apu, vsram-digrf, vsram-mdfe + + vs3-ldo2-supply: + description: Input supply for vsram-modem, vrf0p9 + + vsys-ldo1-supply: + description: Input supply for vaux18, vemc, vtref18 + +patternProperties: + "^v(buck[1-7]|s[1-3])$": + description: Buck regulators + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + properties: + regulator-allowed-modes: + description: | + Allowed Buck regulator operating modes allowed. Valid values below. + 0 - Normal mode with automatic power saving, reducing the switching + frequency when light load conditions are detected + 1 - Forced Continuous Conduction mode (FCCM) for improved voltage + regulation accuracy with constant switching frequency but lower + regulator efficiency + 2 - Forced Low Power mode for improved regulator efficiency, used + when no heavy load is expected, does not limit the maximum out + current but unless only a light load is applied, there will be + regulation accuracy and efficiency losses. + 3 - Forced Ultra Low Power mode for ultra low load, this greatly + reduces the maximum output power, makes the regulator to be + efficient only for ultra light load, and greatly reduces the + quiescent current (Iq) of the buck. + maxItems: 3 + items: + enum: [ 0, 1, 2, 3 ] + + "^va(12-1|12-2|15)$": + $ref: "#/$defs/ldo-common" + + "^v(aux|m|rf-io|tref)18$": + $ref: "#/$defs/ldo-common" + + "^v(cn13|cn15|emc)$": + $ref: "#/$defs/ldo-common" + + "^vio(0p75|18)$": + $ref: "#/$defs/ldo-common" + + "^vrf(0p9|12|13|18)$": + $ref: "#/$defs/ldo-common" + + "^vsram-(apu|cpub|cpum|cpul|digrf|mdfe|modem)$": + $ref: "#/$defs/ldo-common" + + "^vufs(12|18)$": + $ref: "#/$defs/ldo-common" + +$defs: + ldo-common: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + properties: + regulator-allowed-modes: + description: | + Allowed LDO regulator operating modes allowed. Valid values below. + 0 - Normal mode with automatic power saving, reducing the switching + frequency when light load conditions are detected + 2 - Forced Low Power mode for improved regulator efficiency, used + when no heavy load is expected, does not limit the maximum out + current but unless only a light load is applied, there will be + regulation accuracy and efficiency losses. + maxItems: 2 + items: + enum: [ 0, 2 ] + +required: + - compatible + - reg + +additionalProperties: false diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 403890a76070..0cb8d4a7d38e 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -881,6 +881,16 @@ config REGULATOR_MT6315 This driver supports the control of different power rails of device through regulator interface. +config REGULATOR_MT6316 + tristate "MT6316 SPMI PMIC regulator driver" + depends on SPMI + select REGMAP_SPMI + help + Say Y here to enable support for 2+2, 3+1 and 4 phase regulators + found in the MediaTek MT6316 BP, CP, DP, HP, VP and TP SPMI PMICs. + This driver supports the control of different power rails of device + through regulator interface. + config REGULATOR_MT6323 tristate "MediaTek MT6323 PMIC" depends on MFD_MT6397 @@ -944,6 +954,16 @@ config REGULATOR_MT6360 2-channel buck with Thermal Shutdown and Overload Protection 6-channel High PSRR and Low Dropout LDO. +config REGULATOR_MT6363 + tristate "MT6363 SPMI PMIC regulator driver" + depends on SPMI + select REGMAP_SPMI + help + Say Y here to enable support for regulators found in the MediaTek + MT6363 SPMI PMIC. + This driver supports the control of different power rails of device + through regulator interface. + config REGULATOR_MT6370 tristate "MT6370 SubPMIC Regulator" depends on MFD_MT6370 diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index b3101376029d..8f2750d3df33 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -105,6 +105,7 @@ obj-$(CONFIG_REGULATOR_MP886X) += mp886x.o obj-$(CONFIG_REGULATOR_MPQ7920) += mpq7920.o obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o obj-$(CONFIG_REGULATOR_MT6315) += mt6315-regulator.o +obj-$(CONFIG_REGULATOR_MT6315) += mt6316-regulator.o obj-$(CONFIG_REGULATOR_MT6323) += mt6323-regulator.o obj-$(CONFIG_REGULATOR_MT6331) += mt6331-regulator.o obj-$(CONFIG_REGULATOR_MT6332) += mt6332-regulator.o @@ -112,6 +113,7 @@ obj-$(CONFIG_REGULATOR_MT6357) += mt6357-regulator.o obj-$(CONFIG_REGULATOR_MT6358) += mt6358-regulator.o obj-$(CONFIG_REGULATOR_MT6359) += mt6359-regulator.o obj-$(CONFIG_REGULATOR_MT6360) += mt6360-regulator.o +obj-$(CONFIG_REGULATOR_MT6363) += mt6363-regulator.o obj-$(CONFIG_REGULATOR_MT6370) += mt6370-regulator.o obj-$(CONFIG_REGULATOR_MT6380) += mt6380-regulator.o obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o diff --git a/drivers/regulator/mt6316-regulator.c b/drivers/regulator/mt6316-regulator.c new file mode 100644 index 000000000000..952852bbe923 --- /dev/null +++ b/drivers/regulator/mt6316-regulator.c @@ -0,0 +1,345 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2024 MediaTek Inc. +// Copyright (c) 2025 Collabora Ltd +// AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regmap.h> +#include <linux/spmi.h> + +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> + +#define MT6316_BUCK_MODE_AUTO 0 +#define MT6316_BUCK_MODE_FORCE_PWM 1 +#define MT6316_BUCK_MODE_LP 2 + +#define MT6316_CHIP_ID 0x20b +#define MT6316_BUCK_TOP_CON0 0x1440 +#define EN_SET_OFFSET 0x1 +#define EN_CLR_OFFSET 0x2 + +#define MT6316_BUCK_TOP_CON1 0x1443 + +#define MT6316_BUCK_TOP_ELR0 0x1448 +#define MT6316_BUCK_TOP_ELR2 0x144a +#define MT6316_BUCK_TOP_ELR4 0x144c +#define MT6316_BUCK_TOP_ELR6 0x144e +#define MT6316_VSEL_MASK GENMASK(8, 0) + +#define MT6316_VBUCK1_DBG 0x14a8 +#define MT6316_VBUCK2_DBG 0x1528 +#define MT6316_VBUCK3_DBG 0x15a8 +#define MT6316_VBUCK4_DBG 0x1628 +#define MT6316_BUCK_QI BIT(0) + +#define MT6316_BUCK_TOP_4PHASE_TOP_ANA_CON0 0x1688 +#define MT6316_BUCK_TOP_4PHASE_TOP_ELR_0 0x1690 + +enum mt6316_type { + MT6316_TYPE_2PHASE, + MT6316_TYPE_3PHASE, + MT6316_TYPE_4PHASE +}; + +/** + * struct mt6316_regulator_info - MT6316 regulators information + * @desc: Regulator description structure + * @debug_reg: Debug register for regulator status + * @lp_mode_reg: Low Power mode register (normal/idle) + * @lp_mode_mask: Low Power mode regulator mask + * @modeset_reg: AUTO/PWM mode register + * @modeset_mask: AUTO/PWM regulator mask + */ +struct mt6316_regulator_info { + struct regulator_desc desc; + u16 debug_reg; + u16 lp_mode_reg; + u16 lp_mode_mask; + u16 modeset_reg; + u16 modeset_mask; +}; + +#define MT6316_BUCK(match, vreg_id, min, max, step, vs_reg) \ +{ \ + .desc = { \ + .name = match, \ + .of_match = of_match_ptr(match), \ + .ops = &mt6316_vreg_setclr_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .n_voltages = (max - min) / step + 1, \ + .min_uV = min, \ + .uV_step = step, \ + .enable_reg = MT6316_BUCK_TOP_CON0, \ + .enable_mask = BIT(vreg_id - 1), \ + .vsel_reg = vs_reg, \ + .vsel_mask = MT6316_VSEL_MASK, \ + .of_map_mode = mt6316_map_mode, \ + }, \ + .lp_mode_reg = MT6316_BUCK_TOP_CON1, \ + .lp_mode_mask = BIT(vreg_id - 1), \ + .modeset_reg = MT6316_BUCK_TOP_4PHASE_TOP_ANA_CON0, \ + .modeset_mask = BIT(vreg_id - 1), \ + .debug_reg = MT6316_VBUCK##vreg_id##_DBG, \ +} + +/* Values in some MT6316 registers are big endian, 9 bits long... */ +static inline u16 mt6316_be9_to_cpu(u16 val) +{ + return ((val >> 8) & BIT(0)) | ((val & GENMASK(7, 0)) << 1); +} + +static inline u16 mt6316_cpu_to_be9(u16 val) +{ + return ((val & BIT(0)) << 8) | (val >> 1); +} + +static unsigned int mt6316_map_mode(u32 mode) +{ + switch (mode) { + case MT6316_BUCK_MODE_AUTO: + return REGULATOR_MODE_NORMAL; + case MT6316_BUCK_MODE_FORCE_PWM: + return REGULATOR_MODE_FAST; + case MT6316_BUCK_MODE_LP: + return REGULATOR_MODE_IDLE; + default: + return REGULATOR_MODE_INVALID; + } +} + +static int mt6316_vreg_enable_setclr(struct regulator_dev *rdev) +{ + return regmap_write(rdev->regmap, rdev->desc->enable_reg + EN_SET_OFFSET, + rdev->desc->enable_mask); +} + +static int mt6316_vreg_disable_setclr(struct regulator_dev *rdev) +{ + return regmap_write(rdev->regmap, rdev->desc->enable_reg + EN_CLR_OFFSET, + rdev->desc->enable_mask); +} + +static int mt6316_regulator_set_voltage_sel(struct regulator_dev *rdev, unsigned int selector) +{ + u16 val = mt6316_cpu_to_be9(selector); + + return regmap_bulk_write(rdev->regmap, rdev->desc->vsel_reg, &val, sizeof(val)); +} + +static int mt6316_regulator_get_voltage_sel(struct regulator_dev *rdev) +{ + u16 val; + int ret; + + ret = regmap_bulk_read(rdev->regmap, rdev->desc->vsel_reg, &val, sizeof(val)); + if (ret) + return ret; + + return mt6316_be9_to_cpu(val & rdev->desc->vsel_mask); +} + +static int mt6316_regulator_get_status(struct regulator_dev *rdev) +{ + struct mt6316_regulator_info *info = rdev_get_drvdata(rdev); + u32 val; + int ret; + + ret = regmap_read(rdev->regmap, info->debug_reg, &val); + if (ret) + return ret; + + return val & MT6316_BUCK_QI ? REGULATOR_STATUS_ON : REGULATOR_STATUS_OFF; +} + +static unsigned int mt6316_regulator_get_mode(struct regulator_dev *rdev) +{ + struct mt6316_regulator_info *info = rdev_get_drvdata(rdev); + unsigned int val; + int ret; + + ret = regmap_read(rdev->regmap, info->modeset_reg, &val); + if (ret) { + dev_err(&rdev->dev, "Failed to get mode: %d\n", ret); + return ret; + } + + if ((val & info->modeset_mask) == info->modeset_mask) + return REGULATOR_MODE_FAST; + + ret = regmap_read(rdev->regmap, info->lp_mode_reg, &val); + val &= info->lp_mode_mask; + if (ret) { + dev_err(&rdev->dev, "Failed to get lp mode: %d\n", ret); + return ret; + } + + return val ? REGULATOR_MODE_IDLE : REGULATOR_MODE_NORMAL; +} + +static int mt6316_regulator_set_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + struct mt6316_regulator_info *info = rdev_get_drvdata(rdev); + struct regmap *regmap = rdev->regmap; + int cur_mode, ret; + + switch (mode) { + case REGULATOR_MODE_FAST: + ret = regmap_set_bits(regmap, info->modeset_reg, info->modeset_mask); + break; + case REGULATOR_MODE_NORMAL: + cur_mode = mt6316_regulator_get_mode(rdev); + if (cur_mode < 0) { + ret = cur_mode; + break; + } + + if (cur_mode == REGULATOR_MODE_FAST) { + ret = regmap_clear_bits(regmap, info->modeset_reg, info->modeset_mask); + break; + } else if (cur_mode == REGULATOR_MODE_IDLE) { + ret = regmap_clear_bits(regmap, info->lp_mode_reg, info->lp_mode_mask); + if (ret == 0) + usleep_range(100, 200); + } else { + ret = 0; + } + break; + case REGULATOR_MODE_IDLE: + ret = regmap_set_bits(regmap, info->lp_mode_reg, info->lp_mode_mask); + break; + default: + ret = -EINVAL; + } + + if (ret) { + dev_err(&rdev->dev, "Failed to set mode %u: %d\n", mode, ret); + return ret; + } + + return 0; +} + +static const struct regulator_ops mt6316_vreg_setclr_ops = { + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .set_voltage_sel = mt6316_regulator_set_voltage_sel, + .get_voltage_sel = mt6316_regulator_get_voltage_sel, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + .enable = mt6316_vreg_enable_setclr, + .disable = mt6316_vreg_disable_setclr, + .is_enabled = regulator_is_enabled_regmap, + .get_status = mt6316_regulator_get_status, + .set_mode = mt6316_regulator_set_mode, + .get_mode = mt6316_regulator_get_mode, +}; + +/* MT6316BP/VP - 2+2 phase buck */ +static struct mt6316_regulator_info mt6316bv_regulators[] = { + MT6316_BUCK("vbuck12", 1, 0, 1277500, 2500, MT6316_BUCK_TOP_ELR0), + MT6316_BUCK("vbuck34", 3, 0, 1277500, 2500, MT6316_BUCK_TOP_ELR4), +}; + +/* MT6316CP/HP/KP - 3+1 phase buck */ +static struct mt6316_regulator_info mt6316chk_regulators[] = { + MT6316_BUCK("vbuck124", 1, 0, 1277500, 2500, MT6316_BUCK_TOP_ELR0), + MT6316_BUCK("vbuck3", 3, 0, 1277500, 2500, MT6316_BUCK_TOP_ELR4), +}; + +/* MT6316DP/TP - 4 phase buck */ +static struct mt6316_regulator_info mt6316dt_regulators[] = { + MT6316_BUCK("vbuck1234", 1, 0, 1277500, 2500, MT6316_BUCK_TOP_ELR0), +}; + +static const struct regmap_config mt6316_spmi_regmap_config = { + .reg_bits = 16, + .val_bits = 8, + .max_register = 0x1700, + .fast_io = true, +}; + +static int mt6316_regulator_probe(struct spmi_device *sdev) +{ + struct regulator_config config = {}; + struct mt6316_regulator_info *info; + struct regulator_dev *rdev; + enum mt6316_type type; + int num_vregs, ret; + unsigned int i; + u32 chip_id; + + config.regmap = devm_regmap_init_spmi_ext(sdev, &mt6316_spmi_regmap_config); + if (IS_ERR(config.regmap)) + return PTR_ERR(config.regmap); + + /* + * The first read is expected to fail: this PMIC needs to be woken up + * and that can be done with any activity over the SPMI bus. + */ + regmap_read(config.regmap, MT6316_CHIP_ID, &chip_id); + + /* The second read, instead, shall not fail! */ + ret = regmap_read(config.regmap, MT6316_CHIP_ID, &chip_id); + if (ret) { + dev_err(&sdev->dev, "Cannot read Chip ID!\n"); + return ret; + } + dev_dbg(&sdev->dev, "Chip ID: 0x%x\n", chip_id); + + config.dev = &sdev->dev; + + type = (uintptr_t)device_get_match_data(&sdev->dev); + switch (type) { + case MT6316_TYPE_2PHASE: + info = mt6316bv_regulators; + num_vregs = ARRAY_SIZE(mt6316bv_regulators); + break; + case MT6316_TYPE_3PHASE: + info = mt6316chk_regulators; + num_vregs = ARRAY_SIZE(mt6316chk_regulators); + break; + case MT6316_TYPE_4PHASE: + info = mt6316dt_regulators; + num_vregs = ARRAY_SIZE(mt6316dt_regulators); + break; + default: + return -EINVAL; + } + + for (i = 0; i < num_vregs; i++) { + config.driver_data = &info[i]; + + rdev = devm_regulator_register(&sdev->dev, &info[i].desc, &config); + if (IS_ERR(rdev)) + return dev_err_probe(&sdev->dev, PTR_ERR(rdev), + "failed to register %s\n", info[i].desc.name); + } + + return 0; +} + +static const struct of_device_id mt6316_regulator_match[] = { + { .compatible = "mediatek,mt6316b-regulator", .data = (void *)MT6316_TYPE_2PHASE }, + { .compatible = "mediatek,mt6316c-regulator", .data = (void *)MT6316_TYPE_3PHASE }, + { .compatible = "mediatek,mt6316d-regulator", .data = (void *)MT6316_TYPE_4PHASE }, + { /* sentinel */ } +}; + +static struct spmi_driver mt6316_regulator_driver = { + .driver = { + .name = "mt6316-regulator", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, + .of_match_table = mt6316_regulator_match, + }, + .probe = mt6316_regulator_probe, +}; +module_spmi_driver(mt6316_regulator_driver); + +MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>"); +MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6316 PMIC"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/mt6363-regulator.c b/drivers/regulator/mt6363-regulator.c new file mode 100644 index 000000000000..94ac955afa45 --- /dev/null +++ b/drivers/regulator/mt6363-regulator.c @@ -0,0 +1,938 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2024 MediaTek Inc. +// Copyright (c) 2025 Collabora Ltd +// AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +#include <linux/bitfield.h> +#include <linux/delay.h> +#include <linux/devm-helpers.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/spmi.h> + +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/mt6363-regulator.h> +#include <linux/regulator/of_regulator.h> + +#define MT6363_REGULATOR_MODE_NORMAL 0 +#define MT6363_REGULATOR_MODE_FCCM 1 +#define MT6363_REGULATOR_MODE_LP 2 +#define MT6363_REGULATOR_MODE_ULP 3 + +#define EN_SET_OFFSET 0x1 +#define EN_CLR_OFFSET 0x2 +#define OP_CFG_OFFSET 0x5 + +#define NORMAL_OP_CFG 0x10 +#define NORMAL_OP_EN 0x800000 + +#define OC_IRQ_ENABLE_DELAY_MS 10 + +/* Unlock keys for TMA and BUCK_TOP */ +#define MT6363_TMA_UNLOCK_VALUE 0x9c9c +#define MT6363_BUCK_TOP_UNLOCK_VALUE 0x5543 + +enum { + MT6363_ID_VBUCK1, + MT6363_ID_VBUCK2, + MT6363_ID_VBUCK3, + MT6363_ID_VBUCK4, + MT6363_ID_VBUCK5, + MT6363_ID_VBUCK6, + MT6363_ID_VBUCK7, + MT6363_ID_VS1, + MT6363_ID_VS2, + MT6363_ID_VS3, + MT6363_ID_VA12_1, + MT6363_ID_VA12_2, + MT6363_ID_VA15, + MT6363_ID_VAUX18, + MT6363_ID_VCN13, + MT6363_ID_VCN15, + MT6363_ID_VEMC, + MT6363_ID_VIO075, + MT6363_ID_VIO18, + MT6363_ID_VM18, + MT6363_ID_VSRAM_APU, + MT6363_ID_VSRAM_CPUB, + MT6363_ID_VSRAM_CPUM, + MT6363_ID_VSRAM_CPUL, + MT6363_ID_VSRAM_DIGRF, + MT6363_ID_VSRAM_MDFE, + MT6363_ID_VSRAM_MODEM, + MT6363_ID_VRF09, + MT6363_ID_VRF12, + MT6363_ID_VRF13, + MT6363_ID_VRF18, + MT6363_ID_VRFIO18, + MT6363_ID_VTREF18, + MT6363_ID_VUFS12, + MT6363_ID_VUFS18, +}; + +/** + * struct mt6363_regulator_info - MT6363 regulators information + * @desc: Regulator description structure + * @lp_mode_reg: Low Power mode register (normal/idle) + * @lp_mode_mask: Low Power mode regulator mask + * @hw_lp_mode_reg: Hardware voted Low Power mode register (normal/idle) + * @hw_lp_mode_mask: Hardware voted Low Power mode regulator mask + * @modeset_reg: AUTO/PWM mode register + * @modeset_mask: AUTO/PWM regulator mask + * @lp_imax_uA: Maximum load current (microamps), for Low Power mode only + * @op_en_reg: Operation mode enablement register + * @orig_op_en: Backup of a regulator's operation mode enablement register + * @orig_op_cfg: Backup of a regulator's operation mode configuration register + * @oc_work: Delayed work for enabling overcurrent IRQ + * @hwirq: PMIC-Internal HW Interrupt for overcurrent event + * @virq: Mapped Interrupt for overcurrent event + */ +struct mt6363_regulator_info { + struct regulator_desc desc; + u16 lp_mode_reg; + u16 lp_mode_mask; + u16 hw_lp_mode_reg; + u16 hw_lp_mode_mask; + u16 modeset_reg; + u16 modeset_mask; + int lp_imax_uA; + u16 op_en_reg; + u32 orig_op_en; + u8 orig_op_cfg; + struct delayed_work oc_work; + u8 hwirq; + int virq; +}; + +#define MT6363_BUCK(match, vreg, min, max, step, en_reg, lp_reg, \ + mset_reg, ocp_intn) \ +[MT6363_ID_##vreg] = { \ + .desc = { \ + .name = match, \ + .supply_name = "vsys-"match, \ + .of_match = of_match_ptr(match), \ + .ops = &mt6363_vreg_setclr_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MT6363_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = (max - min) / step + 1, \ + .min_uV = min, \ + .uV_step = step, \ + .enable_reg = en_reg, \ + .enable_mask = BIT(MT6363_RG_BUCK_##vreg##_EN_BIT), \ + .vsel_reg = MT6363_RG_BUCK_##vreg##_VOSEL_ADDR, \ + .vsel_mask = MT6363_RG_BUCK_##vreg##_VOSEL_MASK, \ + .of_map_mode = mt6363_map_mode, \ + }, \ + .lp_mode_reg = lp_reg, \ + .lp_mode_mask = BIT(MT6363_RG_BUCK_##vreg##_LP_BIT), \ + .hw_lp_mode_reg = MT6363_BUCK_##vreg##_HW_LP_MODE, \ + .hw_lp_mode_mask = 0xc, \ + .modeset_reg = mset_reg, \ + .modeset_mask = BIT(MT6363_RG_##vreg##_FCCM_BIT), \ + .lp_imax_uA = 100000, \ + .op_en_reg = MT6363_BUCK_##vreg##_OP_EN_0, \ + .hwirq = ocp_intn, \ +} + +#define MT6363_LDO_LINEAR_OPS(match, vreg, in_sup, vops, min, max, \ + step, buck_reg, ocp_intn) \ +[MT6363_ID_##vreg] = { \ + .desc = { \ + .name = match, \ + .supply_name = in_sup, \ + .of_match = of_match_ptr(match), \ + .ops = &vops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MT6363_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = (max - min) / step + 1, \ + .min_uV = min, \ + .uV_step = step, \ + .enable_reg = MT6363_RG_##buck_reg##_EN_ADDR, \ + .enable_mask = BIT(MT6363_RG_LDO_##vreg##_EN_BIT), \ + .vsel_reg = MT6363_RG_LDO_##vreg##_VOSEL_ADDR, \ + .vsel_mask = MT6363_RG_LDO_##vreg##_VOSEL_MASK, \ + .of_map_mode = mt6363_map_mode, \ + }, \ + .lp_mode_reg = MT6363_RG_##buck_reg##_LP_ADDR, \ + .lp_mode_mask = BIT(MT6363_RG_LDO_##vreg##_LP_BIT), \ + .hw_lp_mode_reg = MT6363_LDO_##vreg##_HW_LP_MODE, \ + .hw_lp_mode_mask = 0x4, \ + .hwirq = ocp_intn, \ +} + +#define MT6363_LDO_L_SC(match, vreg, inp, min, max, step, buck_reg, \ + ocp_intn) \ + MT6363_LDO_LINEAR_OPS(match, vreg, inp, mt6363_vreg_setclr_ops, \ + min, max, step, buck_reg, ocp_intn) + +#define MT6363_LDO_L(match, vreg, inp, min, max, step, buck_reg, \ + ocp_intn) \ + MT6363_LDO_LINEAR_OPS(match, vreg, inp, mt6363_ldo_linear_ops, \ + min, max, step, buck_reg, ocp_intn) + +#define MT6363_LDO_LINEAR_CAL_OPS(match, vreg, in_sup, vops, vrnum, \ + ocp_intn) \ +[MT6363_ID_##vreg] = { \ + .desc = { \ + .name = match, \ + .supply_name = in_sup, \ + .of_match = of_match_ptr(match), \ + .ops = &vops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MT6363_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = ARRAY_SIZE(ldo_volt_ranges##vrnum) * 11, \ + .linear_ranges = ldo_volt_ranges##vrnum, \ + .n_linear_ranges = ARRAY_SIZE(ldo_volt_ranges##vrnum), \ + .linear_range_selectors_bitfield = ldos_cal_selectors, \ + .enable_reg = MT6363_RG_LDO_##vreg##_ADDR, \ + .enable_mask = BIT(MT6363_RG_LDO_##vreg##_EN_BIT), \ + .vsel_reg = MT6363_RG_##vreg##_VOCAL_ADDR, \ + .vsel_mask = MT6363_RG_##vreg##_VOCAL_MASK, \ + .vsel_range_reg = MT6363_RG_##vreg##_VOSEL_ADDR, \ + .vsel_range_mask = MT6363_RG_##vreg##_VOSEL_MASK, \ + .of_map_mode = mt6363_map_mode, \ + }, \ + .lp_mode_reg = MT6363_RG_LDO_##vreg##_ADDR, \ + .lp_mode_mask = BIT(MT6363_RG_LDO_##vreg##_LP_BIT), \ + .hw_lp_mode_reg = MT6363_LDO_##vreg##_HW_LP_MODE, \ + .hw_lp_mode_mask = 0x4, \ + .lp_imax_uA = 10000, \ + .op_en_reg = MT6363_LDO_##vreg##_OP_EN0, \ + .hwirq = ocp_intn, \ +} + +#define MT6363_LDO_VT(match, vreg, inp, vranges_num, ocp_intn) \ + MT6363_LDO_LINEAR_CAL_OPS(match, vreg, inp, mt6363_ldo_vtable_ops,\ + vranges_num, ocp_intn) + +static const unsigned int ldos_cal_selectors[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 +}; + +static const struct linear_range ldo_volt_ranges0[] = { + REGULATOR_LINEAR_RANGE(1200000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1300000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1500000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2500000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3100000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3300000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3400000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3500000, 0, 10, 10000) +}; + +static const struct linear_range ldo_volt_ranges1[] = { + REGULATOR_LINEAR_RANGE(900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1100000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1200000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1300000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1810000, 0, 10, 10000) +}; + +static const struct linear_range ldo_volt_ranges2[] = { + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2100000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2200000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2300000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2400000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2500000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3100000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3200000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(3300000, 0, 10, 10000) +}; + +static const struct linear_range ldo_volt_ranges3[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1100000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1200000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1300000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1400000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1500000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1600000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1700000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(1900000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2000000, 0, 10, 10000), + REGULATOR_LINEAR_RANGE(2100000, 0, 10, 10000) +}; + +static const struct linear_range ldo_volt_ranges4[] = { + REGULATOR_LINEAR_RANGE(550000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(600000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(650000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(700000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(750000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(800000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(900000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(950000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1000000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1050000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1100000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1150000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1700000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1750000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(1850000, 0, 10, 5000) +}; + +static const struct linear_range ldo_volt_ranges5[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(650000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(700000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(750000, 0, 10, 5000), + REGULATOR_LINEAR_RANGE(800000, 0, 10, 5000) +}; + +static int mt6363_vreg_enable_setclr(struct regulator_dev *rdev) +{ + return regmap_write(rdev->regmap, rdev->desc->enable_reg + EN_SET_OFFSET, + rdev->desc->enable_mask); +} + +static int mt6363_vreg_disable_setclr(struct regulator_dev *rdev) +{ + return regmap_write(rdev->regmap, rdev->desc->enable_reg + EN_CLR_OFFSET, + rdev->desc->enable_mask); +} + +static inline unsigned int mt6363_map_mode(unsigned int mode) +{ + switch (mode) { + case MT6363_REGULATOR_MODE_NORMAL: + return REGULATOR_MODE_NORMAL; + case MT6363_REGULATOR_MODE_FCCM: + return REGULATOR_MODE_FAST; + case MT6363_REGULATOR_MODE_LP: + return REGULATOR_MODE_IDLE; + case MT6363_REGULATOR_MODE_ULP: + return REGULATOR_MODE_STANDBY; + default: + return REGULATOR_MODE_INVALID; + } +} + +static unsigned int mt6363_regulator_get_mode(struct regulator_dev *rdev) +{ + struct mt6363_regulator_info *info = rdev_get_drvdata(rdev); + unsigned int val; + int ret; + + if (info->modeset_reg) { + ret = regmap_read(rdev->regmap, info->modeset_reg, &val); + if (ret) { + dev_err(&rdev->dev, "Failed to get mt6363 mode: %d\n", ret); + return ret; + } + + if (val & info->modeset_mask) + return REGULATOR_MODE_FAST; + } else { + val = 0; + }; + + ret = regmap_read(rdev->regmap, info->hw_lp_mode_reg, &val); + val &= info->hw_lp_mode_mask; + + if (ret) { + dev_err(&rdev->dev, "Failed to get lp mode: %d\n", ret); + return ret; + } + + if (val) + return REGULATOR_MODE_IDLE; + else + return REGULATOR_MODE_NORMAL; +} + +static int mt6363_buck_unlock(struct regmap *map, bool unlock) +{ + u16 buf = unlock ? MT6363_BUCK_TOP_UNLOCK_VALUE : 0; + + return regmap_bulk_write(map, MT6363_BUCK_TOP_KEY_PROT_LO, &buf, sizeof(buf)); +} + +static int mt6363_regulator_set_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + struct mt6363_regulator_info *info = rdev_get_drvdata(rdev); + struct regmap *regmap = rdev->regmap; + int cur_mode, ret; + + if (!info->modeset_reg && mode == REGULATOR_MODE_FAST) + return -EOPNOTSUPP; + + switch (mode) { + case REGULATOR_MODE_FAST: + ret = mt6363_buck_unlock(regmap, true); + if (ret) + break; + + ret = regmap_set_bits(regmap, info->modeset_reg, info->modeset_mask); + + mt6363_buck_unlock(regmap, false); + break; + case REGULATOR_MODE_NORMAL: + cur_mode = mt6363_regulator_get_mode(rdev); + if (cur_mode < 0) { + ret = cur_mode; + break; + } + + if (cur_mode == REGULATOR_MODE_FAST) { + ret = mt6363_buck_unlock(regmap, true); + if (ret) + break; + + ret = regmap_clear_bits(regmap, info->modeset_reg, info->modeset_mask); + + mt6363_buck_unlock(regmap, false); + break; + } else if (cur_mode == REGULATOR_MODE_IDLE) { + ret = regmap_clear_bits(regmap, info->lp_mode_reg, info->lp_mode_mask); + if (ret == 0) + usleep_range(100, 200); + } else { + ret = 0; + } + break; + case REGULATOR_MODE_IDLE: + ret = regmap_set_bits(regmap, info->lp_mode_reg, info->lp_mode_mask); + break; + default: + ret = -EINVAL; + } + + if (ret) { + dev_err(&rdev->dev, "Failed to set mode %u: %d\n", mode, ret); + return ret; + } + + return 0; +} + +static int mt6363_regulator_set_load(struct regulator_dev *rdev, int load_uA) +{ + struct mt6363_regulator_info *info = rdev_get_drvdata(rdev); + unsigned int opmode_cfg, opmode_en; + int i, ret; + + if (!info->lp_imax_uA) + return -EINVAL; + + if (load_uA >= info->lp_imax_uA) { + ret = mt6363_regulator_set_mode(rdev, REGULATOR_MODE_NORMAL); + if (ret) + return ret; + + opmode_cfg = NORMAL_OP_CFG; + opmode_en = NORMAL_OP_EN; + } else { + opmode_cfg = info->orig_op_cfg; + opmode_en = info->orig_op_en; + } + + ret = regmap_write(rdev->regmap, info->op_en_reg + OP_CFG_OFFSET, opmode_cfg); + if (ret) + return ret; + + for (i = 0; i < 3; i++) { + ret = regmap_write(rdev->regmap, info->op_en_reg + i, + (opmode_en >> (i * 8)) & GENMASK(7, 0)); + if (ret) + return ret; + } + + return 0; +} + +static int mt6363_vemc_set_voltage_sel(struct regulator_dev *rdev, unsigned int sel) +{ + const u16 tma_unlock_key = MT6363_TMA_UNLOCK_VALUE; + const struct regulator_desc *rdesc = rdev->desc; + struct regmap *regmap = rdev->regmap; + unsigned int range, val; + int i, ret; + u16 mask; + + for (i = 0; i < rdesc->n_linear_ranges; i++) { + const struct linear_range *r = &rdesc->linear_ranges[i]; + unsigned int voltages_in_range = linear_range_values_in_range(r); + + if (sel < voltages_in_range) + break; + sel -= voltages_in_range; + } + + if (i == rdesc->n_linear_ranges) + return -EINVAL; + + ret = regmap_read(rdev->regmap, MT6363_TOP_TRAP, &val); + if (ret) + return ret; + + if (val > 1) + return -EINVAL; + + /* Unlock TMA for writing */ + ret = regmap_bulk_write(rdev->regmap, MT6363_TOP_TMA_KEY_L, + &tma_unlock_key, sizeof(tma_unlock_key)); + if (ret) + return ret; + + /* If HW trapping value is 1, use VEMC_VOSEL_1 instead of VEMC_VOSEL_0 */ + if (val == 1) { + mask = MT6363_RG_VEMC_VOSEL_1_MASK; + sel = FIELD_PREP(MT6363_RG_VEMC_VOSEL_1_MASK, sel); + } else { + mask = rdesc->vsel_mask; + } + + sel <<= ffs(rdesc->vsel_mask) - 1; + sel += rdesc->linear_ranges[i].min_sel; + + range = rdesc->linear_range_selectors_bitfield[i]; + range <<= ffs(rdesc->vsel_range_mask) - 1; + + /* Write to the vreg calibration register for voltage finetuning */ + ret = regmap_update_bits(regmap, rdesc->vsel_range_reg, + rdesc->vsel_range_mask, range); + if (ret) + goto lock_tma; + + /* Function must return the result of this write operation */ + ret = regmap_update_bits(regmap, rdesc->vsel_reg, mask, sel); + +lock_tma: + /* Unconditionally re-lock TMA */ + val = 0; + regmap_bulk_write(rdev->regmap, MT6363_TOP_TMA_KEY_L, &val, 2); + + return ret; +} + +static int mt6363_vemc_get_voltage_sel(struct regulator_dev *rdev) +{ + const struct regulator_desc *rdesc = rdev->desc; + unsigned int vosel, trap, calsel; + int vcal, vsel, range, ret; + + ret = regmap_read(rdev->regmap, rdesc->vsel_reg, &vosel); + if (ret) + return ret; + + ret = regmap_read(rdev->regmap, rdesc->vsel_range_reg, &calsel); + if (ret) + return ret; + + calsel &= rdesc->vsel_range_mask; + for (range = 0; range < rdesc->n_linear_ranges; range++) + if (rdesc->linear_range_selectors_bitfield[range] != calsel) + break; + + if (range == rdesc->n_linear_ranges) + return -EINVAL; + + ret = regmap_read(rdev->regmap, MT6363_TOP_TRAP, &trap); + if (ret) + return ret; + + /* If HW trapping value is 1, use VEMC_VOSEL_1 instead of VEMC_VOSEL_0 */ + if (trap > 1) + return -EINVAL; + else if (trap == 1) + vsel = FIELD_GET(MT6363_RG_VEMC_VOSEL_1_MASK, vosel); + else + vsel = vosel & rdesc->vsel_mask; + + vcal = linear_range_values_in_range_array(rdesc->linear_ranges, range); + + return vsel + vcal; +} + +static int mt6363_va15_set_voltage_sel(struct regulator_dev *rdev, unsigned int sel) +{ + struct regmap *regmap = rdev->regmap; + int ret; + + ret = mt6363_buck_unlock(regmap, true); + if (ret) + return ret; + + ret = regulator_set_voltage_sel_pickable_regmap(rdev, sel); + if (ret) + goto va15_unlock; + + ret = regmap_update_bits(regmap, MT6363_RG_BUCK_EFUSE_RSV1, + MT6363_RG_BUCK_EFUSE_RSV1_MASK, sel); + if (ret) + goto va15_unlock; + +va15_unlock: + mt6363_buck_unlock(rdev->regmap, false); + return ret; +} + +static void mt6363_oc_irq_enable_work(struct work_struct *work) +{ + struct delayed_work *dwork = to_delayed_work(work); + struct mt6363_regulator_info *info = + container_of(dwork, struct mt6363_regulator_info, oc_work); + + enable_irq(info->virq); +} + +static irqreturn_t mt6363_oc_isr(int irq, void *data) +{ + struct regulator_dev *rdev = (struct regulator_dev *)data; + struct mt6363_regulator_info *info = rdev_get_drvdata(rdev); + + disable_irq_nosync(info->virq); + + if (regulator_is_enabled_regmap(rdev)) + regulator_notifier_call_chain(rdev, REGULATOR_EVENT_OVER_CURRENT, NULL); + + schedule_delayed_work(&info->oc_work, msecs_to_jiffies(OC_IRQ_ENABLE_DELAY_MS)); + + return IRQ_HANDLED; +} + +static int mt6363_set_ocp(struct regulator_dev *rdev, int lim, int severity, bool enable) +{ + struct mt6363_regulator_info *info = rdev_get_drvdata(rdev); + + /* MT6363 supports only enabling protection and does not support limits */ + if (lim || severity != REGULATOR_SEVERITY_PROT || !enable) + return -EOPNOTSUPP; + + /* If there is no OCP interrupt, there's nothing to set */ + if (info->virq <= 0) + return -EOPNOTSUPP; + + return devm_request_threaded_irq(&rdev->dev, info->virq, NULL, + mt6363_oc_isr, IRQF_ONESHOT, + info->desc.name, rdev); +} + +static const struct regulator_ops mt6363_vreg_setclr_ops = { + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .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 = mt6363_vreg_enable_setclr, + .disable = mt6363_vreg_disable_setclr, + .is_enabled = regulator_is_enabled_regmap, + .set_mode = mt6363_regulator_set_mode, + .get_mode = mt6363_regulator_get_mode, + .set_load = mt6363_regulator_set_load, + .set_over_current_protection = mt6363_set_ocp, +}; + +static const struct regulator_ops mt6363_ldo_linear_ops = { + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .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, + .set_mode = mt6363_regulator_set_mode, + .get_mode = mt6363_regulator_get_mode, + .set_over_current_protection = mt6363_set_ocp, +}; + +static const struct regulator_ops mt6363_ldo_vtable_ops = { + .list_voltage = regulator_list_voltage_pickable_linear_range, + .map_voltage = regulator_map_voltage_pickable_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_pickable_regmap, + .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_mode = mt6363_regulator_set_mode, + .get_mode = mt6363_regulator_get_mode, + .set_load = mt6363_regulator_set_load, + .set_over_current_protection = mt6363_set_ocp, +}; + +static const struct regulator_ops mt6363_ldo_vemc_ops = { + .list_voltage = regulator_list_voltage_pickable_linear_range, + .map_voltage = regulator_map_voltage_pickable_linear_range, + .set_voltage_sel = mt6363_vemc_set_voltage_sel, + .get_voltage_sel = mt6363_vemc_get_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, + .set_mode = mt6363_regulator_set_mode, + .get_mode = mt6363_regulator_get_mode, + .set_load = mt6363_regulator_set_load, + .set_over_current_protection = mt6363_set_ocp, +}; + +static const struct regulator_ops mt6363_ldo_va15_ops = { + .list_voltage = regulator_list_voltage_pickable_linear_range, + .map_voltage = regulator_map_voltage_pickable_linear_range, + .set_voltage_sel = mt6363_va15_set_voltage_sel, + .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_mode = mt6363_regulator_set_mode, + .get_mode = mt6363_regulator_get_mode, + .set_load = mt6363_regulator_set_load, + .set_over_current_protection = mt6363_set_ocp, +}; + +/* The array is indexed by id(MT6363_ID_XXX) */ +static struct mt6363_regulator_info mt6363_regulators[] = { + MT6363_BUCK("vbuck1", VBUCK1, 0, 1193750, 6250, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_FCCM_ADDR, 1), + MT6363_BUCK("vbuck2", VBUCK2, 0, 1193750, 6250, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_FCCM_ADDR, 2), + MT6363_BUCK("vbuck3", VBUCK3, 0, 1193750, 6250, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_FCCM_ADDR, 3), + MT6363_BUCK("vbuck4", VBUCK4, 0, 1193750, 6250, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_1_FCCM_ADDR, 4), + MT6363_BUCK("vbuck5", VBUCK5, 0, 1193750, 6250, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_1_FCCM_ADDR, 5), + MT6363_BUCK("vbuck6", VBUCK6, 0, 1193750, 6250, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_1_FCCM_ADDR, 6), + MT6363_BUCK("vbuck7", VBUCK7, 0, 1193750, 6250, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_1_FCCM_ADDR, 7), + MT6363_BUCK("vs1", VS1, 0, 2200000, 12500, MT6363_RG_BUCK1_EN_ADDR, + MT6363_RG_BUCK1_LP_ADDR, MT6363_RG_VS1_FCCM_ADDR, 8), + MT6363_BUCK("vs2", VS2, 0, 1600000, 12500, MT6363_RG_BUCK0_EN_ADDR, + MT6363_RG_BUCK0_LP_ADDR, MT6363_RG_BUCK0_FCCM_ADDR, 0), + MT6363_BUCK("vs3", VS3, 0, 1193750, 6250, MT6363_RG_BUCK1_EN_ADDR, + MT6363_RG_BUCK1_LP_ADDR, MT6363_RG_VS3_FCCM_ADDR, 9), + MT6363_LDO_VT("va12-1", VA12_1, "vs2-ldo2", 3, 37), + MT6363_LDO_VT("va12-2", VA12_2, "vs2-ldo2", 3, 38), + MT6363_LDO_LINEAR_CAL_OPS("va15", VA15, "vs1-ldo1", mt6363_ldo_va15_ops, 3, 39), + MT6363_LDO_VT("vaux18", VAUX18, "vsys-ldo1", 2, 31), + MT6363_LDO_VT("vcn13", VCN13, "vs2-ldo2", 1, 17), + MT6363_LDO_VT("vcn15", VCN15, "vs1-ldo2", 3, 16), + MT6363_LDO_LINEAR_CAL_OPS("vemc", VEMC, "vsys-ldo1", mt6363_ldo_vemc_ops, 0, 32), + MT6363_LDO_VT("vio0p75", VIO075, "vs1-ldo1", 5, 36), + MT6363_LDO_VT("vio18", VIO18, "vs1-ldo2", 3, 35), + MT6363_LDO_VT("vm18", VM18, "vs1-ldo1", 4, 40), + MT6363_LDO_L("vsram-apu", VSRAM_APU, "vs3-ldo1", 400000, 1193750, 6250, BUCK1, 30), + MT6363_LDO_L("vsram-cpub", VSRAM_CPUB, "vs2-ldo1", 400000, 1193750, 6250, BUCK1, 27), + MT6363_LDO_L("vsram-cpum", VSRAM_CPUM, "vs2-ldo1", 400000, 1193750, 6250, BUCK1, 28), + MT6363_LDO_L("vsram-cpul", VSRAM_CPUL, "vs2-ldo2", 400000, 1193750, 6250, BUCK1, 29), + MT6363_LDO_L_SC("vsram-digrf", VSRAM_DIGRF, "vs3-ldo1", 400000, 1193750, 6250, BUCK1, 23), + MT6363_LDO_L_SC("vsram-mdfe", VSRAM_MDFE, "vs3-ldo1", 400000, 1193750, 6250, BUCK1, 24), + MT6363_LDO_L_SC("vsram-modem", VSRAM_MODEM, "vs3-ldo2", 400000, 1193750, 6250, BUCK1, 25), + MT6363_LDO_VT("vrf0p9", VRF09, "vs3-ldo2", 1, 18), + MT6363_LDO_VT("vrf12", VRF12, "vs2-ldo1", 3, 19), + MT6363_LDO_VT("vrf13", VRF13, "vs2-ldo1", 1, 20), + MT6363_LDO_VT("vrf18", VRF18, "vs1-ldo1", 3, 21), + MT6363_LDO_VT("vrf-io18", VRFIO18, "vs1-ldo1", 3, 22), + MT6363_LDO_VT("vtref18", VTREF18, "vsys-ldo1", 2, 26), + MT6363_LDO_VT("vufs12", VUFS12, "vs2-ldo1", 4, 33), + MT6363_LDO_VT("vufs18", VUFS18, "vs1-ldo2", 3, 34), +}; + +static int mt6363_backup_op_setting(struct regmap *map, struct mt6363_regulator_info *info) +{ + unsigned int i, val; + int ret; + + ret = regmap_read(map, info->op_en_reg + OP_CFG_OFFSET, &val); + if (ret) + return ret; + + info->orig_op_cfg = val; + + for (i = 0; i < 3; i++) { + ret = regmap_read(map, info->op_en_reg + i, &val); + if (ret) + return ret; + + info->orig_op_en |= val << (i * 8); + } + + return 0; +} + +static void mt6363_irq_remove(void *data) +{ + int *virq = data; + + irq_dispose_mapping(*virq); +} + +static void mt6363_spmi_remove(void *data) +{ + struct spmi_device *sdev = data; + + spmi_device_remove(sdev); +}; + +static struct regmap *mt6363_spmi_register_regmap(struct device *dev) +{ + struct regmap_config mt6363_regmap_config = { + .reg_bits = 16, + .val_bits = 16, + .max_register = 0x1f90, + .fast_io = true, + }; + struct spmi_device *sdev, *sparent; + u32 base; + int ret; + + if (!dev->parent) + return ERR_PTR(-ENODEV); + + ret = device_property_read_u32(dev, "reg", &base); + if (ret) + return ERR_PTR(ret); + + sparent = to_spmi_device(dev->parent); + if (!sparent) + return ERR_PTR(-ENODEV); + + sdev = spmi_device_alloc(sparent->ctrl); + if (!sdev) + return ERR_PTR(-ENODEV); + + sdev->usid = sparent->usid; + dev_set_name(&sdev->dev, "%d-%02x-regulator", sdev->ctrl->nr, sdev->usid); + ret = device_add(&sdev->dev); + if (ret) { + put_device(&sdev->dev); + return ERR_PTR(ret); + }; + + ret = devm_add_action_or_reset(dev, mt6363_spmi_remove, sdev); + if (ret) + return ERR_PTR(ret); + + mt6363_regmap_config.reg_base = base; + + return devm_regmap_init_spmi_ext(sdev, &mt6363_regmap_config); +} + +static int mt6363_regulator_probe(struct platform_device *pdev) +{ + struct device_node *interrupt_parent; + struct regulator_config config = {}; + struct mt6363_regulator_info *info; + struct device *dev = &pdev->dev; + struct regulator_dev *rdev; + struct irq_domain *domain; + struct irq_fwspec fwspec; + struct spmi_device *sdev; + int i, ret; + + config.regmap = mt6363_spmi_register_regmap(dev); + if (IS_ERR(config.regmap)) + return dev_err_probe(dev, PTR_ERR(config.regmap), + "Cannot get regmap\n"); + config.dev = dev; + sdev = to_spmi_device(dev->parent); + + interrupt_parent = of_irq_find_parent(dev->of_node); + if (!interrupt_parent) + return dev_err_probe(dev, -EINVAL, "Cannot find IRQ parent\n"); + + domain = irq_find_host(interrupt_parent); + of_node_put(interrupt_parent); + fwspec.fwnode = domain->fwnode; + + fwspec.param_count = 3; + fwspec.param[0] = sdev->usid; + fwspec.param[2] = IRQ_TYPE_LEVEL_HIGH; + + for (i = 0; i < ARRAY_SIZE(mt6363_regulators); i++) { + info = &mt6363_regulators[i]; + + fwspec.param[1] = info->hwirq; + info->virq = irq_create_fwspec_mapping(&fwspec); + if (!info->virq) + return dev_err_probe(dev, -EINVAL, + "Failed to map IRQ%d\n", info->hwirq); + + ret = devm_add_action_or_reset(dev, mt6363_irq_remove, &info->virq); + if (ret) { + irq_dispose_mapping(info->hwirq); + return ret; + } + + config.driver_data = info; + INIT_DELAYED_WORK(&info->oc_work, mt6363_oc_irq_enable_work); + + rdev = devm_regulator_register(dev, &info->desc, &config); + if (IS_ERR(rdev)) + return dev_err_probe(dev, PTR_ERR(rdev), + "failed to register %s\n", info->desc.name); + + if (info->lp_imax_uA) { + ret = mt6363_backup_op_setting(config.regmap, info); + if (ret) { + dev_warn(dev, "Failed to backup op_setting for %s\n", + info->desc.name); + info->lp_imax_uA = 0; + } + } + } + + return 0; +} + +static const struct of_device_id mt6363_regulator_match[] = { + { .compatible = "mediatek,mt6363-regulator" }, + { /* sentinel */ } +}; + +static struct platform_driver mt6363_regulator_driver = { + .driver = { + .name = "mt6363-regulator", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, + .of_match_table = mt6363_regulator_match, + }, + .probe = mt6363_regulator_probe, +}; +module_platform_driver(mt6363_regulator_driver); + +MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>"); +MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6363 PMIC"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/regulator/mt6363-regulator.h b/include/linux/regulator/mt6363-regulator.h new file mode 100644 index 000000000000..60761f01d3ad --- /dev/null +++ b/include/linux/regulator/mt6363-regulator.h @@ -0,0 +1,330 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2024 MediaTek Inc. + * Copyright (c) 2025 Collabora Ltd + */ + +#include <linux/bits.h> + +#ifndef __LINUX_REGULATOR_MT6363_H +#define __LINUX_REGULATOR_MT6363_H + +/* Register */ +#define MT6363_TOP_TRAP 0x6 +#define MT6363_TOP_TMA_KEY_L 0x36e +#define MT6363_RG_BUCK0_EN_ADDR 0x210 +#define MT6363_RG_BUCK_VS2_EN_BIT 0 +#define MT6363_RG_BUCK_VBUCK1_EN_BIT 1 +#define MT6363_RG_BUCK_VBUCK2_EN_BIT 2 +#define MT6363_RG_BUCK_VBUCK3_EN_BIT 3 +#define MT6363_RG_BUCK_VBUCK4_EN_BIT 4 +#define MT6363_RG_BUCK_VBUCK5_EN_BIT 5 +#define MT6363_RG_BUCK_VBUCK6_EN_BIT 6 +#define MT6363_RG_BUCK_VBUCK7_EN_BIT 7 +#define MT6363_RG_BUCK1_EN_ADDR 0x213 +#define MT6363_RG_BUCK_VS1_EN_BIT 0 +#define MT6363_RG_BUCK_VS3_EN_BIT 1 +#define MT6363_RG_LDO_VSRAM_DIGRF_EN_BIT 4 +#define MT6363_RG_LDO_VSRAM_MDFE_EN_BIT 5 +#define MT6363_RG_LDO_VSRAM_MODEM_EN_BIT 6 +#define MT6363_RG_BUCK0_LP_ADDR 0x216 +#define MT6363_RG_BUCK_VS2_LP_BIT 0 +#define MT6363_RG_BUCK_VBUCK1_LP_BIT 1 +#define MT6363_RG_BUCK_VBUCK2_LP_BIT 2 +#define MT6363_RG_BUCK_VBUCK3_LP_BIT 3 +#define MT6363_RG_BUCK_VBUCK4_LP_BIT 4 +#define MT6363_RG_BUCK_VBUCK5_LP_BIT 5 +#define MT6363_RG_BUCK_VBUCK6_LP_BIT 6 +#define MT6363_RG_BUCK_VBUCK7_LP_BIT 7 +#define MT6363_RG_BUCK1_LP_ADDR 0x219 +#define MT6363_RG_BUCK_VS1_LP_BIT 0 +#define MT6363_RG_BUCK_VS3_LP_BIT 1 +#define MT6363_RG_LDO_VSRAM_DIGRF_LP_BIT 4 +#define MT6363_RG_LDO_VSRAM_MDFE_LP_BIT 5 +#define MT6363_RG_LDO_VSRAM_MODEM_LP_BIT 6 +#define MT6363_RG_BUCK_VS2_VOSEL_ADDR 0x21c +#define MT6363_RG_BUCK_VS2_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VBUCK1_VOSEL_ADDR 0x21d +#define MT6363_RG_BUCK_VBUCK1_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VBUCK2_VOSEL_ADDR 0x21e +#define MT6363_RG_BUCK_VBUCK2_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VBUCK3_VOSEL_ADDR 0x21f +#define MT6363_RG_BUCK_VBUCK3_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VBUCK4_VOSEL_ADDR 0x220 +#define MT6363_RG_BUCK_VBUCK4_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VBUCK5_VOSEL_ADDR 0x221 +#define MT6363_RG_BUCK_VBUCK5_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VBUCK6_VOSEL_ADDR 0x222 +#define MT6363_RG_BUCK_VBUCK6_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VBUCK7_VOSEL_ADDR 0x223 +#define MT6363_RG_BUCK_VBUCK7_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VS1_VOSEL_ADDR 0x224 +#define MT6363_RG_BUCK_VS1_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_BUCK_VS3_VOSEL_ADDR 0x225 +#define MT6363_RG_BUCK_VS3_VOSEL_MASK GENMASK(7, 0) +#define MT6363_RG_LDO_VSRAM_DIGRF_VOSEL_ADDR 0x228 +#define MT6363_RG_LDO_VSRAM_DIGRF_VOSEL_MASK GENMASK(6, 0) +#define MT6363_RG_LDO_VSRAM_MDFE_VOSEL_ADDR 0x229 +#define MT6363_RG_LDO_VSRAM_MDFE_VOSEL_MASK GENMASK(6, 0) +#define MT6363_RG_LDO_VSRAM_MODEM_VOSEL_ADDR 0x22a +#define MT6363_RG_LDO_VSRAM_MODEM_VOSEL_MASK GENMASK(6, 0) +#define MT6363_BUCK_TOP_KEY_PROT_LO 0x13fa +#define MT6363_BUCK_VS2_WDTDBG_VOSEL_ADDR 0x13fc +#define MT6363_BUCK_VBUCK1_WDTDBG_VOSEL_ADDR 0x13fd +#define MT6363_BUCK_VBUCK2_WDTDBG_VOSEL_ADDR 0x13fe +#define MT6363_BUCK_VBUCK3_WDTDBG_VOSEL_ADDR 0x13ff +#define MT6363_BUCK_VBUCK4_WDTDBG_VOSEL_ADDR 0x1400 +#define MT6363_BUCK_VBUCK5_WDTDBG_VOSEL_ADDR 0x1401 +#define MT6363_BUCK_VBUCK6_WDTDBG_VOSEL_ADDR 0x1402 +#define MT6363_BUCK_VBUCK7_WDTDBG_VOSEL_ADDR 0x1403 +#define MT6363_BUCK_VS1_WDTDBG_VOSEL_ADDR 0x1404 +#define MT6363_BUCK_VS3_WDTDBG_VOSEL_ADDR 0x1405 +#define MT6363_RG_BUCK_EFUSE_RSV1 0x1417 +#define MT6363_RG_BUCK_EFUSE_RSV1_MASK GENMASK(7, 4) +#define MT6363_BUCK_VS2_OP_EN_0 0x145d +#define MT6363_BUCK_VS2_HW_LP_MODE 0x1468 +#define MT6363_BUCK_VBUCK1_OP_EN_0 0x14dd +#define MT6363_BUCK_VBUCK1_HW_LP_MODE 0x14e8 +#define MT6363_RG_BUCK_VBUCK1_SSHUB_EN_ADDR 0x14ea +#define MT6363_RG_BUCK_VBUCK1_SSHUB_VOSEL_ADDR 0x14eb +#define MT6363_RG_BUCK_VBUCK1_SSHUB_VOSEL_MASK GENMASK(7, 0) +#define MT6363_BUCK_VBUCK2_OP_EN_0 0x155d +#define MT6363_BUCK_VBUCK2_HW_LP_MODE 0x1568 +#define MT6363_RG_BUCK_VBUCK2_SSHUB_EN_ADDR 0x156a +#define MT6363_RG_BUCK_VBUCK2_SSHUB_VOSEL_ADDR 0x156b +#define MT6363_RG_BUCK_VBUCK2_SSHUB_VOSEL_MASK GENMASK(7, 0) +#define MT6363_BUCK_VBUCK3_OP_EN_0 0x15dd +#define MT6363_BUCK_VBUCK3_HW_LP_MODE 0x15e8 +#define MT6363_BUCK_VBUCK4_OP_EN_0 0x165d +#define MT6363_BUCK_VBUCK4_HW_LP_MODE 0x1668 +#define MT6363_RG_BUCK_VBUCK4_SSHUB_EN_ADDR 0x166a +#define MT6363_RG_BUCK_VBUCK4_SSHUB_VOSEL_ADDR 0x166b +#define MT6363_RG_BUCK_VBUCK4_SSHUB_VOSEL_MASK GENMASK(7, 0) +#define MT6363_BUCK_VBUCK5_OP_EN_0 0x16dd +#define MT6363_BUCK_VBUCK5_HW_LP_MODE 0x16e8 +#define MT6363_BUCK_VBUCK6_OP_EN_0 0x175d +#define MT6363_BUCK_VBUCK6_HW_LP_MODE 0x1768 +#define MT6363_BUCK_VBUCK7_OP_EN_0 0x17dd +#define MT6363_BUCK_VBUCK7_HW_LP_MODE 0x17e8 +#define MT6363_BUCK_VS1_OP_EN_0 0x185d +#define MT6363_BUCK_VS1_HW_LP_MODE 0x1868 +#define MT6363_BUCK_VS3_OP_EN_0 0x18dd +#define MT6363_BUCK_VS3_HW_LP_MODE 0x18e8 +#define MT6363_RG_VS1_FCCM_ADDR 0x1964 +#define MT6363_RG_VS1_FCCM_BIT 0 +#define MT6363_RG_VS3_FCCM_ADDR 0x1973 +#define MT6363_RG_VS3_FCCM_BIT 0 +#define MT6363_RG_BUCK0_FCCM_ADDR 0x1a02 +#define MT6363_RG_VBUCK1_FCCM_BIT 0 +#define MT6363_RG_VBUCK2_FCCM_BIT 1 +#define MT6363_RG_VBUCK3_FCCM_BIT 2 +#define MT6363_RG_VS2_FCCM_BIT 3 +#define MT6363_RG_BUCK0_1_FCCM_ADDR 0x1a82 +#define MT6363_RG_VBUCK4_FCCM_BIT 0 +#define MT6363_RG_VBUCK5_FCCM_BIT 1 +#define MT6363_RG_VBUCK6_FCCM_BIT 2 +#define MT6363_RG_VBUCK7_FCCM_BIT 3 +#define MT6363_RG_VCN13_VOSEL_ADDR 0x1b0f +#define MT6363_RG_VCN13_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VEMC_VOSEL_ADDR 0x1b10 +#define MT6363_RG_VEMC_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VEMC_VOSEL_1_MASK GENMASK(7, 4) +#define MT6363_RG_LDO_VSRAM_CPUB_VOSEL_ADDR 0x1b14 +#define MT6363_RG_LDO_VSRAM_CPUB_VOSEL_MASK GENMASK(6, 0) +#define MT6363_RG_LDO_VSRAM_CPUM_VOSEL_ADDR 0x1b15 +#define MT6363_RG_LDO_VSRAM_CPUM_VOSEL_MASK GENMASK(6, 0) +#define MT6363_RG_LDO_VSRAM_CPUL_VOSEL_ADDR 0x1b16 +#define MT6363_RG_LDO_VSRAM_CPUL_VOSEL_MASK GENMASK(6, 0) +#define MT6363_RG_LDO_VSRAM_APU_VOSEL_ADDR 0x1b17 +#define MT6363_RG_LDO_VSRAM_APU_VOSEL_MASK GENMASK(6, 0) +#define MT6363_RG_VEMC_VOCAL_ADDR 0x1b1b +#define MT6363_RG_VEMC_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_LDO_VCN15_ADDR 0x1b57 +#define MT6363_RG_LDO_VCN15_EN_BIT 0 +#define MT6363_RG_LDO_VCN15_LP_BIT 1 +#define MT6363_LDO_VCN15_HW_LP_MODE 0x1b5b +#define MT6363_LDO_VCN15_OP_EN0 0x1b5c +#define MT6363_RG_LDO_VRF09_ADDR 0x1b65 +#define MT6363_RG_LDO_VRF09_EN_BIT 0 +#define MT6363_RG_LDO_VRF09_LP_BIT 1 +#define MT6363_LDO_VRF09_HW_LP_MODE 0x1b69 +#define MT6363_LDO_VRF09_OP_EN0 0x1b6a +#define MT6363_RG_LDO_VRF12_ADDR 0x1b73 +#define MT6363_RG_LDO_VRF12_EN_BIT 0 +#define MT6363_RG_LDO_VRF12_LP_BIT 1 +#define MT6363_LDO_VRF12_HW_LP_MODE 0x1b77 +#define MT6363_LDO_VRF12_OP_EN0 0x1b78 +#define MT6363_RG_LDO_VRF13_ADDR 0x1b81 +#define MT6363_RG_LDO_VRF13_EN_BIT 0 +#define MT6363_RG_LDO_VRF13_LP_BIT 1 +#define MT6363_LDO_VRF13_HW_LP_MODE 0x1b85 +#define MT6363_LDO_VRF13_OP_EN0 0x1b86 +#define MT6363_RG_LDO_VRF18_ADDR 0x1b8f +#define MT6363_RG_LDO_VRF18_EN_BIT 0 +#define MT6363_RG_LDO_VRF18_LP_BIT 1 +#define MT6363_LDO_VRF18_HW_LP_MODE 0x1b93 +#define MT6363_LDO_VRF18_OP_EN0 0x1b94 +#define MT6363_RG_LDO_VRFIO18_ADDR 0x1b9d +#define MT6363_RG_LDO_VRFIO18_EN_BIT 0 +#define MT6363_RG_LDO_VRFIO18_LP_BIT 1 +#define MT6363_LDO_VRFIO18_HW_LP_MODE 0x1ba1 +#define MT6363_LDO_VRFIO18_OP_EN0 0x1ba2 +#define MT6363_RG_LDO_VTREF18_ADDR 0x1bd7 +#define MT6363_RG_LDO_VTREF18_EN_BIT 0 +#define MT6363_RG_LDO_VTREF18_LP_BIT 1 +#define MT6363_LDO_VTREF18_HW_LP_MODE 0x1bdb +#define MT6363_LDO_VTREF18_OP_EN0 0x1bdc +#define MT6363_RG_LDO_VAUX18_ADDR 0x1be5 +#define MT6363_RG_LDO_VAUX18_EN_BIT 0 +#define MT6363_RG_LDO_VAUX18_LP_BIT 1 +#define MT6363_LDO_VAUX18_HW_LP_MODE 0x1be9 +#define MT6363_LDO_VAUX18_OP_EN0 0x1bea +#define MT6363_RG_LDO_VEMC_ADDR 0x1bf3 +#define MT6363_RG_LDO_VEMC_EN_BIT 0 +#define MT6363_RG_LDO_VEMC_LP_BIT 1 +#define MT6363_LDO_VEMC_HW_LP_MODE 0x1bf7 +#define MT6363_LDO_VEMC_OP_EN0 0x1bf8 +#define MT6363_RG_LDO_VUFS12_ADDR 0x1c01 +#define MT6363_RG_LDO_VUFS12_EN_BIT 0 +#define MT6363_RG_LDO_VUFS12_LP_BIT 1 +#define MT6363_LDO_VUFS12_HW_LP_MODE 0x1c05 +#define MT6363_LDO_VUFS12_OP_EN0 0x1c06 +#define MT6363_RG_LDO_VUFS18_ADDR 0x1c0f +#define MT6363_RG_LDO_VUFS18_EN_BIT 0 +#define MT6363_RG_LDO_VUFS18_LP_BIT 1 +#define MT6363_LDO_VUFS18_HW_LP_MODE 0x1c13 +#define MT6363_LDO_VUFS18_OP_EN0 0x1c14 +#define MT6363_RG_LDO_VIO18_ADDR 0x1c1d +#define MT6363_RG_LDO_VIO18_EN_BIT 0 +#define MT6363_RG_LDO_VIO18_LP_BIT 1 +#define MT6363_LDO_VIO18_HW_LP_MODE 0x1c21 +#define MT6363_LDO_VIO18_OP_EN0 0x1c22 +#define MT6363_RG_LDO_VIO075_ADDR 0x1c57 +#define MT6363_RG_LDO_VIO075_EN_BIT 0 +#define MT6363_RG_LDO_VIO075_LP_BIT 1 +#define MT6363_LDO_VIO075_HW_LP_MODE 0x1c5b +#define MT6363_LDO_VIO075_OP_EN0 0x1c5c +#define MT6363_RG_LDO_VA12_1_ADDR 0x1c65 +#define MT6363_RG_LDO_VA12_1_EN_BIT 0 +#define MT6363_RG_LDO_VA12_1_LP_BIT 1 +#define MT6363_LDO_VA12_1_HW_LP_MODE 0x1c69 +#define MT6363_LDO_VA12_1_OP_EN0 0x1c6a +#define MT6363_RG_LDO_VA12_2_ADDR 0x1c73 +#define MT6363_RG_LDO_VA12_2_EN_BIT 0 +#define MT6363_RG_LDO_VA12_2_LP_BIT 1 +#define MT6363_LDO_VA12_2_HW_LP_MODE 0x1c77 +#define MT6363_LDO_VA12_2_OP_EN0 0x1c78 +#define MT6363_RG_LDO_VA15_ADDR 0x1c81 +#define MT6363_RG_LDO_VA15_EN_BIT 0 +#define MT6363_RG_LDO_VA15_LP_BIT 1 +#define MT6363_LDO_VA15_HW_LP_MODE 0x1c85 +#define MT6363_LDO_VA15_OP_EN0 0x1c86 +#define MT6363_RG_LDO_VM18_ADDR 0x1c8f +#define MT6363_RG_LDO_VM18_EN_BIT 0 +#define MT6363_RG_LDO_VM18_LP_BIT 1 +#define MT6363_LDO_VM18_HW_LP_MODE 0x1c93 +#define MT6363_LDO_VM18_OP_EN0 0x1c94 +#define MT6363_RG_LDO_VCN13_ADDR 0x1cd7 +#define MT6363_RG_LDO_VCN13_EN_BIT 0 +#define MT6363_RG_LDO_VCN13_LP_BIT 1 +#define MT6363_LDO_VCN13_HW_LP_MODE 0x1cdb +#define MT6363_LDO_VCN13_OP_EN0 0x1ce4 +#define MT6363_LDO_VSRAM_DIGRF_HW_LP_MODE 0x1cf1 +#define MT6363_LDO_VSRAM_DIGRF_OP_EN0 0x1cfa +#define MT6363_LDO_VSRAM_MDFE_HW_LP_MODE 0x1d5b +#define MT6363_LDO_VSRAM_MDFE_OP_EN0 0x1d64 +#define MT6363_LDO_VSRAM_MODEM_HW_LP_MODE 0x1d76 +#define MT6363_LDO_VSRAM_MODEM_OP_EN0 0x1d7f +#define MT6363_RG_LDO_VSRAM_CPUB_ADDR 0x1dd7 +#define MT6363_RG_LDO_VSRAM_CPUB_EN_BIT 0 +#define MT6363_RG_LDO_VSRAM_CPUB_LP_BIT 1 +#define MT6363_LDO_VSRAM_CPUB_HW_LP_MODE 0x1ddb +#define MT6363_LDO_VSRAM_CPUB_OP_EN0 0x1de4 +#define MT6363_RG_LDO_VSRAM_CPUM_ADDR 0x1ded +#define MT6363_RG_LDO_VSRAM_CPUM_EN_BIT 0 +#define MT6363_RG_LDO_VSRAM_CPUM_LP_BIT 1 +#define MT6363_LDO_VSRAM_CPUM_HW_LP_MODE 0x1df1 +#define MT6363_LDO_VSRAM_CPUM_OP_EN0 0x1dfa +#define MT6363_RG_LDO_VSRAM_CPUL_ADDR 0x1e57 +#define MT6363_RG_LDO_VSRAM_CPUL_EN_BIT 0 +#define MT6363_RG_LDO_VSRAM_CPUL_LP_BIT 1 +#define MT6363_LDO_VSRAM_CPUL_HW_LP_MODE 0x1e5b +#define MT6363_LDO_VSRAM_CPUL_OP_EN0 0x1e64 +#define MT6363_RG_LDO_VSRAM_APU_ADDR 0x1e6d +#define MT6363_RG_LDO_VSRAM_APU_EN_BIT 0 +#define MT6363_RG_LDO_VSRAM_APU_LP_BIT 1 +#define MT6363_LDO_VSRAM_APU_HW_LP_MODE 0x1e71 +#define MT6363_LDO_VSRAM_APU_OP_EN0 0x1e7a +#define MT6363_RG_VTREF18_VOCAL_ADDR 0x1ed8 +#define MT6363_RG_VTREF18_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VTREF18_VOSEL_ADDR 0x1ed9 +#define MT6363_RG_VTREF18_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VAUX18_VOCAL_ADDR 0x1edc +#define MT6363_RG_VAUX18_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VAUX18_VOSEL_ADDR 0x1edd +#define MT6363_RG_VAUX18_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VCN15_VOCAL_ADDR 0x1ee3 +#define MT6363_RG_VCN15_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VCN15_VOSEL_ADDR 0x1ee4 +#define MT6363_RG_VCN15_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VUFS18_VOCAL_ADDR 0x1ee7 +#define MT6363_RG_VUFS18_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VUFS18_VOSEL_ADDR 0x1ee8 +#define MT6363_RG_VUFS18_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VIO18_VOCAL_ADDR 0x1eeb +#define MT6363_RG_VIO18_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VIO18_VOSEL_ADDR 0x1eec +#define MT6363_RG_VIO18_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VM18_VOCAL_ADDR 0x1eef +#define MT6363_RG_VM18_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VM18_VOSEL_ADDR 0x1ef0 +#define MT6363_RG_VM18_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VA15_VOCAL_ADDR 0x1ef3 +#define MT6363_RG_VA15_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VA15_VOSEL_ADDR 0x1ef4 +#define MT6363_RG_VA15_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF18_VOCAL_ADDR 0x1ef7 +#define MT6363_RG_VRF18_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF18_VOSEL_ADDR 0x1ef8 +#define MT6363_RG_VRF18_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VRFIO18_VOCAL_ADDR 0x1efb +#define MT6363_RG_VRFIO18_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VRFIO18_VOSEL_ADDR 0x1efc +#define MT6363_RG_VRFIO18_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VIO075_VOCFG_ADDR 0x1f01 +#define MT6363_RG_VIO075_VOCAL_ADDR MT6363_RG_VIO075_VOCFG_ADDR +#define MT6363_RG_VIO075_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VIO075_VOSEL_ADDR MT6363_RG_VIO075_VOCFG_ADDR +#define MT6363_RG_VIO075_VOSEL_MASK GENMASK(6, 4) +#define MT6363_RG_VCN13_VOCAL_ADDR 0x1f58 +#define MT6363_RG_VCN13_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VUFS12_VOCAL_ADDR 0x1f61 +#define MT6363_RG_VUFS12_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VUFS12_VOSEL_ADDR 0x1f62 +#define MT6363_RG_VUFS12_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VA12_1_VOCAL_ADDR 0x1f65 +#define MT6363_RG_VA12_1_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VA12_1_VOSEL_ADDR 0x1f66 +#define MT6363_RG_VA12_1_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VA12_2_VOCAL_ADDR 0x1f69 +#define MT6363_RG_VA12_2_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VA12_2_VOSEL_ADDR 0x1f6a +#define MT6363_RG_VA12_2_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF12_VOCAL_ADDR 0x1f6d +#define MT6363_RG_VRF12_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF12_VOSEL_ADDR 0x1f6e +#define MT6363_RG_VRF12_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF13_VOCAL_ADDR 0x1f71 +#define MT6363_RG_VRF13_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF13_VOSEL_ADDR 0x1f72 +#define MT6363_RG_VRF13_VOSEL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF09_VOCAL_ADDR 0x1f78 +#define MT6363_RG_VRF09_VOCAL_MASK GENMASK(3, 0) +#define MT6363_RG_VRF09_VOSEL_ADDR 0x1f79 +#define MT6363_RG_VRF09_VOSEL_MASK GENMASK(3, 0) +#define MT6363_ISINK_EN_CTRL0 0x21db +#define MT6363_ISINK_CTRL0_MASK GENMASK(7, 0) +#define MT6363_ISINK_EN_CTRL1 0x21dc +#define MT6363_ISINK_CTRL1_MASK GENMASK(7, 4) + +#endif /* __LINUX_REGULATOR_MT6363_H */ |