From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> Add bindings for Richtek RT5190A PMIC. Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> --- .../regulator/richtek,rt5190a-regulator.yaml | 138 +++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt5190a-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt5190a-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt5190a-regulator.yaml new file mode 100644 index 00000000..b9f5836 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/richtek,rt5190a-regulator.yaml @@ -0,0 +1,138 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/richtek,rt5190a-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT5190A PMIC Regulator + +maintainers: + - ChiYuan Huang <cy_huang@xxxxxxxxxxx> + +description: | + The RT5190A integrates 1 channel buck controller, 3 channels high efficiency + synchronous buck converters, 1 LDO, I2C control interface and peripherial + logical control. + + It also supports mute AC OFF depop sound and quick setting storage while + input power is removed. + +properties: + compatible: + enum: + - richtek,rt5190a + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vin2-supply: + description: phandle to buck2 input voltage. + + vin3-supply: + description: phandle to buck3 input voltage. + + vin4-supply: + description: phandle to buck4 input voltage. + + vinldo-supply: + description: phandle to ldo input voltage + + richtek,buck1-fixed-microvolt: + description: buck1 fixed voltage that depends on the external resistor. + $ref: "/schemas/types.yaml#/definitions/uint32" + + richtek,buck4-fixed-microvolt: + description: buck4 fixed voltage that depends on the external resistor. + $ref: "/schemas/types.yaml#/definitions/uint32" + + richtek,ldo-fixed-microvolt: + description: ldo fixed voltage that depends on the external resistor. + $ref: "/schemas/types.yaml#/definitions/uint32" + + richtek,mute-enable: + description: this can be used to enable mute function. + type: boolean + + regulators: + type: object + + patternProperties: + "^buck[1-4]$|^ldo$": + type: object + $ref: regulator.yaml# + description: | + regulator description for buck[1-4] and ldo. + + properties: + richtek,latchup-enable: + type: boolean + description: | + If specified, undervolt protection mode changes from the default + hiccup to latchup. + + unevaluatedProperties: false + + additionalProperties: false + +required: + - compatible + - reg + - richtek,buck1-fixed-microvolt + - richtek,buck4-fixed-microvolt + - richtek,ldo-fixed-microvolt + - regulators + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rt5190a@64 { + compatible = "richtek,rt5190a"; + reg = <0x64>; + interrupts-extended = <&gpio26 0 IRQ_TYPE_LEVEL_LOW>; + vin2-supply = <&rt5190_buck1>; + vin3-supply = <&rt5190_buck1>; + vin4-supply = <&rt5190_buck1>; + richtek,buck1-fixed-microvolt = <5090000>; + richtek,buck4-fixed-microvolt = <850000>; + richtek,ldo-fixed-microvolt = <1200000>; + + regulators { + rt5190_buck1: buck1 { + regulator-name = "rt5190a-buck1"; + regulator-allowed-modes = <0 1>; + regulator-boot-on; + }; + buck2 { + regulator-name = "rt5190a-buck2"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1400000>; + regulator-boot-on; + }; + buck3 { + regulator-name = "rt5190a-buck3"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <1400000>; + regulator-boot-on; + }; + buck4 { + regulator-name = "rt5190a-buck4"; + regulator-allowed-modes = <0 1>; + regulator-boot-on; + }; + ldo { + regulator-name = "rt5190a-ldo"; + regulator-boot-on; + }; + }; + }; + }; -- 2.7.4
