linux-kernel - Re: [PATCH v1 1/3] dt-bindings: sound: Add TDM for StarFive JH7110

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Date:   Thu, 30 Mar 2023 09:39:36 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Walker Chen <walker.chen@...rfivetech.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v1 1/3] dt-bindings: sound: Add TDM for StarFive JH7110

On 29/03/2023 17:33, Walker Chen wrote:
> Add bindings to describe the TDM driver for the StarFive JH7110 SoC.
> 
> Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
> ---
>  .../bindings/sound/starfive,jh7110-tdm.yaml   | 95 +++++++++++++++++++
>  1 file changed, 95 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml b/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
> new file mode 100644
> index 000000000000..d65b9ed781ef
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
> @@ -0,0 +1,95 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/starfive,jh7110-tdm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive JH7110 TDM Controller
> +
> +description: |
> +  The TDM Controller is a Time Division Multiplexed audio interface
> +  integrated in StarFive JH7110 SoC, allowing up to 8 channels of
> +  audio over a serial interface. The TDM controller can operate both
> +  in master and slave mode.
> +
> +maintainers:
> +  - Walker Chen <walker.chen@...rfivetech.com>
> +

Missing allOf: with $ref to dai-common.

> +properties:
> +  compatible:
> +    enum:
> +      - starfive,jh7110-tdm
> +
> +  reg:
> +    maxItems: 1

(...)

> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - resets
> +  - dmas
> +  - dma-names
> +  - "#sound-dai-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    tdm: tdm@...90000 {

Drop tdm label, not used.

Best regards,
Krzysztof