diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml index 1625dd59417f..01b7275f5b34 100644 --- a/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml +++ b/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml @@ -44,15 +44,32 @@ properties: GPIO connected to the power-good status output pin. maxItems: 1 + adi,vout-rfb1-ohms: + description: + Top feedback resistor (RFB1) value in ohms for VOUT sensing divider. + When the desired output voltage is higher than VREF, a resistor divider + is required. VOUT = VREF × (1 + RFB1/RFB2) + + adi,vout-rfb2-ohms: + description: + Bottom feedback resistor (RFB2) value in ohms for VOUT sensing divider. + Datasheet recommends that RFB2 does not exceed 2.5kΩ. + required: - compatible - reg - vddh-supply +dependencies: + adi,vout-rfb1-ohms: ['adi,vout-rfb2-ohms'] + adi,vout-rfb2-ohms: ['adi,vout-rfb1-ohms'] + unevaluatedProperties: false examples: - | + #include + i2c { #address-cells = <1>; #size-cells = <0>; @@ -61,6 +78,11 @@ examples: compatible = "adi,max20830"; reg = <0x30>; vddh-supply = <&vddh>; + avdd-supply = <&avdd>; + ldoin-supply = <&ldoin>; + pwr-good-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; + adi,vout-rfb1-ohms = <10000>; + adi,vout-rfb2-ohms = <2000>; }; }; ...