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[0/3] Add the Renesas X9250 potentiometers ASoC support

Message ID 20230203111422.142479-1-herve.codina@bootlin.com
Headers show
Series Add the Renesas X9250 potentiometers ASoC support | expand

Message

Herve Codina Feb. 3, 2023, 11:14 a.m. UTC 
Hi,

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.

Best regards,
Herve Codina

Herve Codina (3):
  dt-bindings: sound: Add the Renesas X9250 potentiometers
  ASoC: codecs: Add support for the Renesas X9250 potentiometers
  MAINTAINERS: add the Renesas X9250 ASoC entry

 .../bindings/sound/renesas,x9250.yaml         |  60 ++++
 MAINTAINERS                                   |   7 +
 sound/soc/codecs/Kconfig                      |  11 +
 sound/soc/codecs/Makefile                     |   2 +
 sound/soc/codecs/x9250.c                      | 276 ++++++++++++++++++
 5 files changed, 356 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/renesas,x9250.yaml
 create mode 100644 sound/soc/codecs/x9250.c

Comments

Rob Herring (Arm) Feb. 3, 2023, 10:08 p.m. UTC | #1 
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
>