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| -rw-r--r-- | Documentation/devicetree/bindings/regulator/richtek,rt5133.yaml | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt5133.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt5133.yaml new file mode 100644 index 000000000000..d2e007fee6ba --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/richtek,rt5133.yaml @@ -0,0 +1,178 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/richtek,rt5133.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT5133 PMIC Regulator + +maintainers: + - ShihChia Chang <jeff_chang@richtek.com> + +description: + The RT5133 is an integrated Power Management IC for portable devices, + featuring 8 LDOs and 3 GPOs. It allows programmable output voltages, + soft-start times, and protections via I2C. GPO operation depends on LDO1 + voltage. + +properties: + compatible: + enum: + - richtek,rt5133 + + reg: + maxItems: 1 + + enable-gpios: + maxItems: 1 + + wakeup-source: true + + interrupts: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + richtek,oc-shutdown-all: + type: boolean + description: + Controls the behavior when any LDO (Low Dropout Regulator) enters an + Over Current state. + If set to true, all LDO channels will be shut down. + If set to false, only the affected LDO channel will shut down itself. + + richtek,pgb-shutdown-all: + type: boolean + description: + Controls the behavior when any LDO enters a Power Good Bad state. + If set to true, all LDO channels will be shut down. + If set to false, only the affected LDO channel will shut down itself. + + regulators: + type: object + additionalProperties: false + + properties: + base: + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + description: + Properties for the base regulator, which is the top-level supply for + LDO1 to LDO6. It functions merely as an on/off switch rather than + regulating voltages. If none of LDO1 to LDO6 are in use, switching + off the base will reduce the quiescent current. + + required: + - regulator-name + + patternProperties: + "^ldo([1-6])$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + description: + Properties for single LDO regulator + + required: + - regulator-name + + "^ldo([7-8])$": + type: object + $ref: regulator.yaml# + unevaluatedProperties: false + description: + Properties for single LDO regulator + + properties: + vin-supply: true + + required: + - regulator-name + - vin-supply + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pmic@18 { + compatible = "richtek,rt5133"; + reg = <0x18>; + wakeup-source; + interrupts-extended = <&gpio 0 IRQ_TYPE_EDGE_FALLING>; + enable-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; + gpio-controller; + #gpio-cells = <2>; + richtek,oc-shutdown-all; + richtek,pgb-shutdown-all; + regulators { + base { + regulator-name = "base"; + }; + pvin78: ldo1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3199998>; + regulator-active-discharge = <1>; + }; + ldo2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3200000>; + regulator-active-discharge = <1>; + }; + ldo3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <3000000>; + regulator-active-discharge = <1>; + }; + ldo4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <3000000>; + regulator-active-discharge = <1>; + }; + ldo5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <3000000>; + regulator-active-discharge = <1>; + }; + ldo6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <3000000>; + regulator-active-discharge = <1>; + }; + ldo7 { + regulator-name = "ldo7"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1200000>; + regulator-active-discharge = <1>; + vin-supply = <&pvin78>; + }; + ldo8 { + regulator-name = "ldo8"; + regulator-min-microvolt = <855000>; + regulator-max-microvolt = <1200000>; + regulator-active-discharge = <1>; + vin-supply = <&pvin78>; + }; + }; + }; + }; |