linux-kernel - Re: [PATCH v2 2/3] ASoC: dt-bindings: meson: t9015: add support for A1 SoC family

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Message-ID: <20250310-smiling-gerbil-of-whirlwind-8fa4a5@krzk-bin>
Date: Mon, 10 Mar 2025 09:09:22 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Jan Dakinevich <jan.dakinevich@...utedevices.com>
Cc: Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org, 
	Jaroslav Kysela <perex@...ex.cz>, Jerome Brunet <jbrunet@...libre.com>, 
	Kevin Hilman <khilman@...libre.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Liam Girdwood <lgirdwood@...il.com>, linux-amlogic@...ts.infradead.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org, 
	Mark Brown <broonie@...nel.org>, Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Rob Herring <robh@...nel.org>, Takashi Iwai <tiwai@...e.com>
Subject: Re: [PATCH v2 2/3] ASoC: dt-bindings: meson: t9015: add support for
 A1 SoC family

On Sun, Mar 09, 2025 at 09:16:29PM +0300, Jan Dakinevich wrote:
> Add support for internal audio codec found A1 SoC family. On this SoC
> the component supports capturing from ADC and has specific configuration
> of input/output lines.
> 
> Signed-off-by: Jan Dakinevich <jan.dakinevich@...utedevices.com>
> ---
>  .../bindings/sound/amlogic,t9015.yaml         | 69 +++++++++++++++++--
>  1 file changed, 65 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/amlogic,t9015.yaml b/Documentation/devicetree/bindings/sound/amlogic,t9015.yaml
> index 5f5cccdbeb34..962795470601 100644
> --- a/Documentation/devicetree/bindings/sound/amlogic,t9015.yaml
> +++ b/Documentation/devicetree/bindings/sound/amlogic,t9015.yaml
> @@ -9,9 +9,6 @@ title: Amlogic T9015 Internal Audio DAC
>  maintainers:
>    - Jerome Brunet <jbrunet@...libre.com>
>  
> -allOf:
> -  - $ref: dai-common.yaml#
> -
>  properties:
>    $nodename:
>      pattern: "^audio-controller@.*"
> @@ -21,7 +18,9 @@ properties:
>  
>    compatible:
>      items:
> -      - const: amlogic,t9015
> +      - enum:
> +          - amlogic,t9015
> +          - amlogic,t9015-a1
>  
>    clocks:
>      items:
> @@ -43,6 +42,17 @@ properties:
>  
>    sound-name-prefix: true
>  
> +  lineout-left:

Missing vendor prefix.

> +    $ref: /schemas/types.yaml#/definitions/string

enum with values

> +  lineout-right:
> +    $ref: /schemas/types.yaml#/definitions/string
> +  linein-left:
> +    $ref: /schemas/types.yaml#/definitions/string
> +  linein-right:
> +    $ref: /schemas/types.yaml#/definitions/string
> +  micbias:

use proper unit suffix name, e.g. microvolt

> +    $ref: /schemas/types.yaml#/definitions/string
> +
>  required:
>    - "#sound-dai-cells"
>    - compatible
> @@ -52,6 +62,57 @@ required:
>    - resets
>    - AVDD-supply
>  
> +

Only one blank line

> +allOf:
> +  - $ref: dai-common.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: amlogic,t9015-a1
> +    then:
> +      properties:
> +        lineout-left:
> +          items:

You do not have multiple items here, drop.

> +            - enum:
> +                - none
> +                - right
> +                - left-inverted
> +        lineout-right:
> +          items:
> +            - enum:
> +                - none
> +                - left
> +                - right-inverted
> +        linein-left:
> +          items:
> +            - enum:
> +                - none
> +                - differential
> +                - positive
> +                - negative
> +        linein-right:
> +          items:
> +            - enum:
> +                - none
> +                - differential
> +                - positive
> +                - negative

All these go to the top level.

> +        micbias:
> +          items:
> +            - enum:
> +                - 2.0V
> +                - 2.1V
> +                - 2.3V
> +                - 2.5V
> +                - 2.8V
> +    else:
> +      lineout-left: false
> +      lineout-right: false
> +      linein-left: false
> +      linein-right: false
> +      micbias: false

This is correct.

Best regards,
Krzysztof