[1/3] dt-bindings: sound: Add the Renesas X9250 potentiometers
Commit Message
The Renesas X9250 is a quad digitally controlled potentiometers.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
---
.../bindings/sound/renesas,x9250.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/renesas,x9250.yaml
Comments
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@bootlin.com>
> ---
> .../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@bootlin.com>
> +
> +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
>
new file mode 100644
@@ -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@bootlin.com>
+
+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;
+ };
+ };