max20730 Integrated, Step-Down Switching Regulator with PMBus Signed-off-by: Chu Lin <linchuyuan@xxxxxxxxxx> --- .../bindings/hwmon/maxim,max20730.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml new file mode 100644 index 000000000000..7372b27334c3 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/maxim,max20730.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim max20730 + +maintainers: + - Jean Delvare <jdelvare@xxxxxxxx> + - Guenter Roeck <linux@xxxxxxxxxxxx> + +description: | + The MAX20730 is a fully integrated, highly efficient switching regulator + with PMBus for applications operating from 4.5V to 16V and requiring + up to 25A (max) load. This single-chip regulator provides extremely + compact, highefficiency power-delivery solutions with high-precision + output voltages and excellent transient response + + Datasheets: + https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf + https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf + https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf + +properties: + compatible: + enum: + - maxim,max20730 + - maxim,max20734 + - maxim,max20743 + + reg: + maxItems: 1 + + vout-voltage-divider: + description: | + If voltage divider presents at vout, the voltage at voltage sensor pin + will be scaled. The properties will convert the raw reading to a more + meaningful number if voltage divider presents. It has two numbers, + the first number is the output resistor, the second number is the total + resistance. Therefore, the adjusted vout is equal to + Vout = Vout * output_resistance / total resistance. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + +required: + - compatible + - reg + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + max20730@10 { + compatible = "maxim,max20730"; + reg = <0x10>; + vout-voltage-divider = <1000 2000>; // vout would be scaled to 0.5 + }; + }; -- 2.28.0.681.g6f77f65b4e-goog
