The Renesas X9250 is a quad digitally controlled potentiometers. Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx> --- .../bindings/sound/renesas,x9250.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/renesas,x9250.yaml diff --git a/Documentation/devicetree/bindings/sound/renesas,x9250.yaml b/Documentation/devicetree/bindings/sound/renesas,x9250.yaml new file mode 100644 index 000000000000..ad29ef465a18 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/renesas,x9250.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/renesas,x9250.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas X9250 quad potentiometers + +maintainers: + - Herve Codina <herve.codina@xxxxxxxxxxx> + +description: | + The Renesas X9250 is a quad digitally controlled potentiometers. + + In the audio path, it can be present on amplifiers designs and it can be used + in ALSA as an auxiliary audio device to control these amplifiers. + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml + - $ref: dai-common.yaml# + +properties: + compatible: + const: renesas,x9250 + + reg: + description: + SPI device address. + maxItems: 1 + + spi-max-frequency: + maximum: 2000000 + +patternProperties: + "^renesas,cmd[0-3]-invert$": + description: + The related command is inverted meaning that the minimum command value + set the wiper to Rh and the maximum command value set the wiper to Rl. + Without this property, the minimum command value set the wiper to Rl and + the maximum to Rh. + type: boolean + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + x9250@0 { + compatible = "renesas,x9250"; + reg = <0>; + spi-max-frequency = <2000000>; + renesas,cmd3-invert; + }; + }; -- 2.39.0
