On Fri, Feb 03, 2023 at 12:14:20PM +0100, Herve Codina wrote: > 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. ...is a chip with quad... > + > + 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. ALSA? Linux details should not be in bindings. > + > +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 >
