Re: [PATCH 2/2] ASoC: dt-bindings: ti,pcm1754: add binding documentation
From: Krzysztof Kozlowski
Date: Mon Aug 18 2025 - 09:43:55 EST
On 18/08/2025 15:01, Stefan Kerkmann wrote:
> The Texas Instruments PCM1754 is a simple stereo DAC without any digital
> management interface but soft mute, PCM input format and 44.1 kHz
> digital de-emphasis can be configured via strapping pins. Only soft mute
> and PCM input format selection is currently exposed via optional GPIOs
> in the driver.
>
> Signed-off-by: Stefan Kerkmann <s.kerkmann@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/sound/ti,pcm1754.yaml | 54 ++++++++++++++++++++++
Missing rest of patches and user of that. Maybe these are in 1/2? But
then this is misordered, see submitting patches in DT.
> 1 file changed, 54 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/sound/ti,pcm1754.yaml b/Documentation/devicetree/bindings/sound/ti,pcm1754.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..924386092a60e6637a1134f174511e7e61b16839
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/ti,pcm1754.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/ti,pcm1754.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments PCM1754 Stereo DAC
> +
> +description: |
Drop |
> + The PCM1754 is a simple stereo DAC that is controlled via hardware gpios.
> +
> +maintainers:
> + - Stefan Kerkmann <s.kerkmann@xxxxxxxxxxxxxx>
> +
> +allOf:
> + - $ref: dai-common.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - ti,pcm1754
> +
> + VCC-supply: true
Lowercase, vcc-supply
> +
> + '#sound-dai-cells':
> + const: 0
> +
> + format-gpios:
> + maxItems: 1
> + description:
> + GPIO used to select the PCM format
> +
> + mute-gpios:
> + maxItems: 1
> + description:
> + GPIO used to mute all outputs
> +
> +required:
> + - "#sound-dai-cells"
Keep consistent quotes
> + - compatible
compatible is always the first. Don't use different ordering here.
Missing supply.
> +
> +additionalProperties: false
> +
Best regards,
Krzysztof