diff options
15 files changed, 628 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml index 24ace6e1e5ec..63e1161a87de 100644 --- a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml +++ b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml @@ -83,6 +83,7 @@ properties: regulators: type: object + additionalProperties: false description: | List of regulators provided by the device diff --git a/Documentation/devicetree/bindings/regulator/maxim,max77802.yaml b/Documentation/devicetree/bindings/regulator/maxim,max77802.yaml index 236348c4710c..71138c611b6c 100644 --- a/Documentation/devicetree/bindings/regulator/maxim,max77802.yaml +++ b/Documentation/devicetree/bindings/regulator/maxim,max77802.yaml @@ -79,6 +79,7 @@ patternProperties: patternProperties: regulator-state-(standby|mem|disk): type: object + additionalProperties: true properties: regulator-mode: false diff --git a/Documentation/devicetree/bindings/regulator/maxim,max8997.yaml b/Documentation/devicetree/bindings/regulator/maxim,max8997.yaml index 4321f061a7f6..2b266ea43716 100644 --- a/Documentation/devicetree/bindings/regulator/maxim,max8997.yaml +++ b/Documentation/devicetree/bindings/regulator/maxim,max8997.yaml @@ -111,6 +111,7 @@ properties: regulators: type: object + additionalProperties: false description: List of child nodes that specify the regulators. diff --git a/Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml b/Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml index 37402c370fbb..364b58730be2 100644 --- a/Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml @@ -29,6 +29,7 @@ properties: "^vbuck[1-4]$": type: object $ref: "regulator.yaml#" + unevaluatedProperties: false properties: regulator-compatible: diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.yaml index 24108d0e4c4e..c429b6c593d9 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.yaml @@ -36,6 +36,7 @@ patternProperties: description: List of regulators and its properties type: object $ref: regulator.yaml# + unevaluatedProperties: false properties: qcom,ocp-max-retries: diff --git a/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml index 1ddc1efd19e2..f97b8083678f 100644 --- a/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml @@ -20,6 +20,7 @@ properties: lab: type: object + additionalProperties: false properties: qcom,soft-start-us: @@ -33,11 +34,19 @@ properties: description: Short-circuit and over-current interrupts for lab. + interrupt-names: + minItems: 1 + items: + - const: sc-err + - const: ocp + required: - interrupts + - interrupt-names ibb: type: object + additionalProperties: false properties: qcom,discharge-resistor-kohms: @@ -52,8 +61,15 @@ properties: description: Short-circuit and over-current interrupts for ibb. + interrupt-names: + minItems: 1 + items: + - const: sc-err + - const: ocp + required: - interrupts + - interrupt-names required: - compatible diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml index 091150c4e579..4a8a221bc902 100644 --- a/Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml @@ -42,6 +42,7 @@ patternProperties: "^DSV(P|N)$": type: object $ref: regulator.yaml# + unevaluatedProperties: false description: Properties for single display bias regulator. diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71815-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd71815-regulator.yaml index 7d0adb74a396..d61e8675f067 100644 --- a/Documentation/devicetree/bindings/regulator/rohm,bd71815-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/rohm,bd71815-regulator.yaml @@ -27,6 +27,7 @@ properties: description: properties for wled regulator $ref: regulator.yaml# + unevaluatedProperties: false properties: regulator-name: diff --git a/Documentation/devicetree/bindings/regulator/ti,tps65219.yaml b/Documentation/devicetree/bindings/regulator/ti,tps65219.yaml new file mode 100644 index 000000000000..78be79930fda --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/ti,tps65219.yaml @@ -0,0 +1,173 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/ti,tps65219.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI tps65219 Power Management Integrated Circuit regulators + +maintainers: + - Jerome Neanne <[email protected]> + +description: | + Regulator nodes should be named to buck<number> and ldo<number>. + +properties: + compatible: + enum: + - ti,tps65219 + + reg: + maxItems: 1 + + system-power-controller: + type: boolean + description: Optional property that indicates that this device is + controlling system power. + + interrupts: + description: Short-circuit, over-current, under-voltage for regulators, PB interrupts. + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + description: Specifies the PIN numbers and Flags, as defined in + include/dt-bindings/interrupt-controller/irq.h + const: 1 + + ti,power-button: + type: boolean + description: | + Optional property that sets the EN/PB/VSENSE pin to be a + power-button. + TPS65219 has a multipurpose pin called EN/PB/VSENSE that can be either + 1. EN in which case it functions as an enable pin. + 2. VSENSE which compares the voltages and triggers an automatic + on/off request. + 3. PB in which case it can be configured to trigger an interrupt + to the SoC. + ti,power-button reflects the last one of those options + where the board has a button wired to the pin and triggers + an interrupt on pressing it. + +patternProperties: + "^buck[1-3]-supply$": + description: Input supply phandle of one regulator. + + "^ldo[1-4]-supply$": + description: Input supply phandle of one regulator. + + regulators: + type: object + description: | + list of regulators provided by this controller + + patternProperties: + "^ldo[1-4]$": + type: object + $ref: regulator.yaml# + description: + Properties for single LDO regulator. + + unevaluatedProperties: false + + "^buck[1-3]$": + type: object + $ref: regulator.yaml# + description: + Properties for single BUCK regulator. + + unevaluatedProperties: false + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - regulators + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + tps65219: pmic@30 { + compatible = "ti,tps65219"; + reg = <0x30>; + buck1-supply = <&vcc_3v3_sys>; + buck2-supply = <&vcc_3v3_sys>; + buck3-supply = <&vcc_3v3_sys>; + ldo1-supply = <&vcc_3v3_sys>; + ldo2-supply = <&buck2_reg>; + ldo3-supply = <&vcc_3v3_sys>; + ldo4-supply = <&vcc_3v3_sys>; + + pinctrl-0 = <&pmic_irq_pins_default>; + + interrupt-parent = <&gic500>; + interrupts = <GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>; + ti,power-button; + + regulators { + buck1_reg: buck1 { + regulator-name = "VDD_CORE"; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <750000>; + regulator-boot-on; + regulator-always-on; + }; + + buck2_reg: buck2 { + regulator-name = "VCC1V8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + buck3_reg: buck3 { + regulator-name = "VDD_LPDDR4"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: ldo1 { + regulator-name = "VDDSHV_SD_IO_PMIC"; + regulator-min-microvolt = <33000000>; + regulator-max-microvolt = <33000000>; + }; + + ldo2_reg: ldo2 { + regulator-name = "VDDAR_CORE"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: ldo3 { + regulator-name = "VDDA_1V8"; + regulator-min-microvolt = <18000000>; + regulator-max-microvolt = <18000000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4_reg: ldo4 { + regulator-name = "VDD_PHY_2V5"; + regulator-min-microvolt = <25000000>; + regulator-max-microvolt = <25000000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index 882b14089454..f667b33bbda5 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -407,7 +407,11 @@ PWM REGULATOR devm_regulator_bulk_register_supply_alias() devm_regulator_bulk_get() + devm_regulator_bulk_get_enable() + devm_regulator_bulk_put() devm_regulator_get() + devm_regulator_get_enable() + devm_regulator_get_enable_optional() devm_regulator_get_exclusive() devm_regulator_get_optional() devm_regulator_irq_helper() diff --git a/MAINTAINERS b/MAINTAINERS index 8a5012ba6ff9..f35b29ffd5fb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14935,6 +14935,7 @@ F: drivers/regulator/palmas-regulator*.c F: drivers/regulator/pbias-regulator.c F: drivers/regulator/tps65217-regulator.c F: drivers/regulator/tps65218-regulator.c +F: drivers/regulator/tps65219-regulator.c F: drivers/regulator/tps65910-regulator.c F: drivers/regulator/twl-regulator.c F: drivers/regulator/twl6030-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 23e3e4a35cc9..f9bd683baa38 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1384,6 +1384,15 @@ config REGULATOR_TPS65218 voltage regulators. It supports software based voltage control for different voltage domains +config REGULATOR_TPS65219 + tristate "TI TPS65219 Power regulators" + depends on MFD_TPS65219 && OF + help + This driver supports TPS65219 voltage regulator chips. + TPS65219 series of PMICs have 3 single phase BUCKs & 4 LDOs + voltage regulators. It supports software based voltage control + for different voltage domains. + config REGULATOR_TPS6524X tristate "TI TPS6524X Power regulators" depends on SPI diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index fa49bb6cc544..d7734a8dfbaf 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -162,6 +162,7 @@ obj-$(CONFIG_REGULATOR_TPS65086) += tps65086-regulator.o obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o obj-$(CONFIG_REGULATOR_TPS65218) += tps65218-regulator.o +obj-$(CONFIG_REGULATOR_TPS65219) += tps65219-regulator.o obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a5033c6ba01e..18fa9206ec20 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3497,10 +3497,8 @@ static int _regulator_set_voltage_time(struct regulator_dev *rdev, (new_uV < old_uV)) return rdev->constraints->settling_time_down; - if (ramp_delay == 0) { - rdev_dbg(rdev, "ramp_delay not set\n"); + if (ramp_delay == 0) return 0; - } return DIV_ROUND_UP(abs(new_uV - old_uV), ramp_delay); } diff --git a/drivers/regulator/tps65219-regulator.c b/drivers/regulator/tps65219-regulator.c new file mode 100644 index 000000000000..7ba2594e437c --- /dev/null +++ b/drivers/regulator/tps65219-regulator.c @@ -0,0 +1,416 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// tps65219-regulator.c +// +// Regulator driver for TPS65219 PMIC +// +// Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ +// +// This implementation derived from tps65218 authored by +// "J Keerthy <[email protected]>" +// + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/of_device.h> +#include <linux/regmap.h> +#include <linux/regulator/of_regulator.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/tps65219.h> + +struct tps65219_regulator_irq_type { + const char *irq_name; + const char *regulator_name; + const char *event_name; + unsigned long event; +}; + +struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { + { "LDO3_SCG", "LDO3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, + { "LDO3_OC", "LDO3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "LDO3_UV", "LDO3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "LDO4_SCG", "LDO4", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, + { "LDO4_OC", "LDO4", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "LDO4_UV", "LDO4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "LDO1_SCG", "LDO1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, + { "LDO1_OC", "LDO1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "LDO1_UV", "LDO1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "LDO2_SCG", "LDO2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, + { "LDO2_OC", "LDO2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "LDO2_UV", "LDO2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "BUCK3_SCG", "BUCK3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, + { "BUCK3_OC", "BUCK3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "BUCK3_NEG_OC", "BUCK3", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "BUCK3_UV", "BUCK3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "BUCK1_SCG", "BUCK1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, + { "BUCK1_OC", "BUCK1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "BUCK1_NEG_OC", "BUCK1", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "BUCK1_UV", "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "BUCK2_SCG", "BUCK2", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, + { "BUCK2_OC", "BUCK2", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "BUCK2_NEG_OC", "BUCK2", "negative overcurrent", REGULATOR_EVENT_OVER_CURRENT }, + { "BUCK2_UV", "BUCK2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, + { "BUCK1_RV", "BUCK1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "BUCK2_RV", "BUCK2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "BUCK3_RV", "BUCK3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO1_RV", "LDO1", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO2_RV", "LDO2", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO3_RV", "LDO3", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO4_RV", "LDO4", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "BUCK1_RV_SD", "BUCK1", "residual voltage on shutdown", + REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "BUCK2_RV_SD", "BUCK2", "residual voltage on shutdown", + REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "BUCK3_RV_SD", "BUCK3", "residual voltage on shutdown", + REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO1_RV_SD", "LDO1", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO2_RV_SD", "LDO2", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO3_RV_SD", "LDO3", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "LDO4_RV_SD", "LDO4", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, + { "SENSOR_2_WARM", "SENSOR2", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, + { "SENSOR_1_WARM", "SENSOR1", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, + { "SENSOR_0_WARM", "SENSOR0", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, + { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, + { "SENSOR_2_HOT", "SENSOR2", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, + { "SENSOR_1_HOT", "SENSOR1", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, + { "SENSOR_0_HOT", "SENSOR0", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, + { "TIMEOUT", "", "", REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE }, +}; + +struct tps65219_regulator_irq_data { + struct device *dev; + struct tps65219_regulator_irq_type *type; + struct regulator_dev *rdev; +}; + +#define TPS65219_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \ + _em, _cr, _cm, _lr, _nlr, _delay, _fuv, \ + _ct, _ncl, _bpm) \ + { \ + .name = _name, \ + .of_match = _of, \ + .regulators_node = of_match_ptr("regulators"), \ + .supply_name = _of, \ + .id = _id, \ + .ops = &(_ops), \ + .n_voltages = _n, \ + .type = _type, \ + .owner = THIS_MODULE, \ + .vsel_reg = _vr, \ + .vsel_mask = _vm, \ + .csel_reg = _cr, \ + .csel_mask = _cm, \ + .curr_table = _ct, \ + .n_current_limits = _ncl, \ + .enable_reg = _er, \ + .enable_mask = _em, \ + .volt_table = NULL, \ + .linear_ranges = _lr, \ + .n_linear_ranges = _nlr, \ + .ramp_delay = _delay, \ + .fixed_uV = _fuv, \ + .bypass_reg = _vr, \ + .bypass_mask = _bpm, \ + .bypass_val_on = 1, \ + } \ + +static const struct linear_range bucks_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x1f, 25000), + REGULATOR_LINEAR_RANGE(1400000, 0x20, 0x33, 100000), + REGULATOR_LINEAR_RANGE(3400000, 0x34, 0x3f, 0), +}; + +static const struct linear_range ldos_1_2_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x37, 50000), + REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), +}; + +static const struct linear_range ldos_3_4_ranges[] = { + REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 0), + REGULATOR_LINEAR_RANGE(1250000, 0xD, 0x35, 50000), + REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0), +}; + +static int tps65219_set_mode(struct regulator_dev *dev, unsigned int mode) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + + switch (mode) { + case REGULATOR_MODE_NORMAL: + return regmap_set_bits(tps->regmap, TPS65219_REG_STBY_1_CONFIG, + dev->desc->enable_mask); + + case REGULATOR_MODE_STANDBY: + return regmap_clear_bits(tps->regmap, + TPS65219_REG_STBY_1_CONFIG, + dev->desc->enable_mask); + default: + return -EINVAL; + } +} + +static unsigned int tps65219_get_mode(struct regulator_dev *dev) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + int ret, value = 0; + + ret = regmap_read(tps->regmap, TPS65219_REG_STBY_1_CONFIG, &value); + if (ret) { + dev_dbg(tps->dev, "%s failed for regulator %s: %d ", + __func__, dev->desc->name, ret); + return ret; + } + value = (value & BIT(rid)) >> rid; + if (value) + return REGULATOR_MODE_STANDBY; + else + return REGULATOR_MODE_NORMAL; +} + +/* + * generic regulator_set_bypass_regmap does not fully match requirements + * TPS65219 Requires explicitly that regulator is disabled before switch + */ +static int tps65219_set_bypass(struct regulator_dev *dev, bool enable) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + int ret = 0; + + if (dev->desc->ops->enable) { + dev_err(tps->dev, + "%s LDO%d enabled, must be shut down to set bypass ", + __func__, rid); + return -EBUSY; + } + ret = regulator_set_bypass_regmap(dev, enable); + return ret; +} + +/* Operations permitted on BUCK1/2/3 */ +static const struct regulator_ops tps65219_bucks_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + +}; + +/* Operations permitted on LDO1/2 */ +static const struct regulator_ops tps65219_ldos_1_2_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_bypass = tps65219_set_bypass, + .get_bypass = regulator_get_bypass_regmap, +}; + +/* Operations permitted on LDO3/4 */ +static const struct regulator_ops tps65219_ldos_3_4_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, +}; + +static const struct regulator_desc regulators[] = { + TPS65219_REGULATOR("BUCK1", "buck1", TPS65219_BUCK_1, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK1_EN_MASK, 0, 0, bucks_ranges, + 3, 4000, 0, NULL, 0, 0), + TPS65219_REGULATOR("BUCK2", "buck2", TPS65219_BUCK_2, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK2_EN_MASK, 0, 0, bucks_ranges, + 3, 4000, 0, NULL, 0, 0), + TPS65219_REGULATOR("BUCK3", "buck3", TPS65219_BUCK_3, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK3_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK3_EN_MASK, 0, 0, bucks_ranges, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, + REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, + TPS65219_REG_LDO1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldos_1_2_ranges, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), + TPS65219_REGULATOR("LDO2", "ldo2", TPS65219_LDO_2, + REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, + TPS65219_REG_LDO2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, ldos_1_2_ranges, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), + TPS65219_REGULATOR("LDO3", "ldo3", TPS65219_LDO_3, + REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + TPS65219_REG_LDO3_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, ldos_3_4_ranges, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO4", "ldo4", TPS65219_LDO_4, + REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + TPS65219_REG_LDO4_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO4_EN_MASK, 0, 0, ldos_3_4_ranges, + 3, 0, 0, NULL, 0, 0), +}; + +static irqreturn_t tps65219_regulator_irq_handler(int irq, void *data) +{ + struct tps65219_regulator_irq_data *irq_data = data; + + if (irq_data->type->event_name[0] == '\0') { + /* This is the timeout interrupt no specific regulator */ + dev_err(irq_data->dev, + "System was put in shutdown due to timeout during an active or standby transition.\n"); + return IRQ_HANDLED; + } + + regulator_notifier_call_chain(irq_data->rdev, + irq_data->type->event, NULL); + + dev_err(irq_data->dev, "Error IRQ trap %s for %s\n", + irq_data->type->event_name, irq_data->type->regulator_name); + return IRQ_HANDLED; +} + +static int tps65219_get_rdev_by_name(const char *regulator_name, + struct regulator_dev *rdevtbl[7], + struct regulator_dev *dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(regulators); i++) { + if (strcmp(regulator_name, regulators[i].name) == 0) { + dev = rdevtbl[i]; + return 0; + } + } + return -EINVAL; +} + +static int tps65219_regulator_probe(struct platform_device *pdev) +{ + struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); + struct regulator_dev *rdev; + struct regulator_config config = { }; + int i; + int error; + int irq; + struct tps65219_regulator_irq_data *irq_data; + struct tps65219_regulator_irq_type *irq_type; + struct regulator_dev *rdevtbl[7]; + + config.dev = tps->dev; + config.driver_data = tps; + config.regmap = tps->regmap; + + for (i = 0; i < ARRAY_SIZE(regulators); i++) { + dev_dbg(tps->dev, "%s regul i= %d START", __func__, i); + rdev = devm_regulator_register(&pdev->dev, ®ulators[i], + &config); + if (IS_ERR(rdev)) { + dev_err(tps->dev, "failed to register %s regulator\n", + pdev->name); + return PTR_ERR(rdev); + } + rdevtbl[i] = rdev; + dev_dbg(tps->dev, "%s regul i= %d COMPLETED", __func__, i); + } + + irq_data = devm_kmalloc(tps->dev, + ARRAY_SIZE(tps65219_regulator_irq_types) * + sizeof(struct tps65219_regulator_irq_data), + GFP_KERNEL); + if (!irq_data) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(tps65219_regulator_irq_types); ++i) { + irq_type = &tps65219_regulator_irq_types[i]; + + irq = platform_get_irq_byname(pdev, irq_type->irq_name); + if (irq < 0) { + dev_err(tps->dev, "Failed to get IRQ %s: %d\n", + irq_type->irq_name, irq); + return -EINVAL; + } + irq_data[i].dev = tps->dev; + irq_data[i].type = irq_type; + + tps65219_get_rdev_by_name(irq_type->regulator_name, rdevtbl, rdev); + if (rdev < 0) { + dev_err(tps->dev, "Failed to get rdev for %s\n", + irq_type->regulator_name); + return -EINVAL; + } + irq_data[i].rdev = rdev; + + error = devm_request_threaded_irq(tps->dev, irq, NULL, + tps65219_regulator_irq_handler, + IRQF_ONESHOT, + irq_type->irq_name, + &irq_data[i]); + if (error) { + dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", + irq_type->irq_name, irq, error); + return error; + } + } + + return 0; +} + +static const struct platform_device_id tps65219_regulator_id_table[] = { + { "tps65219-regulator", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, tps65219_regulator_id_table); + +static struct platform_driver tps65219_regulator_driver = { + .driver = { + .name = "tps65219-pmic", + }, + .probe = tps65219_regulator_probe, + .id_table = tps65219_regulator_id_table, +}; + +module_platform_driver(tps65219_regulator_driver); + +MODULE_AUTHOR("Jerome Neanne <[email protected]>"); +MODULE_DESCRIPTION("TPS65219 voltage regulator driver"); +MODULE_ALIAS("platform:tps65219-pmic"); +MODULE_LICENSE("GPL"); |