Re: [PATCH 2/2] ASoC: sun50i-dmic: dt-bindings: add DT bindings for DMIC controller

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Hi,

On Tue, Jun 15, 2021 at 09:07:37PM +0800, Ban Tao wrote:
> The Allwinner SoCs feature an I2S controller across multiple SoC
> generations.

Which SoC generations?

> Signed-off-by: Ban Tao <fengzheng923@xxxxxxxxx>
> ---
>  .../sound/allwinner,sun50i-h6-dmic.yaml       | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml
> new file mode 100644
> index 000000000000..81d40c374e44
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/allwinner,sun50i-h6-dmic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner H6 DMIC Controller Device Tree Bindings
> +
> +maintainers:
> +  - Ban Tao <fengzheng923@xxxxxxxxx>
> +
> +properties:
> +  "#sound-dai-cells":
> +    const: 0
> +
> +  compatible:
> +    const: allwinner,sun50i-h6-dmic
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Bus Clock
> +      - description: Module Clock
> +
> +  clock-names:
> +    items:
> +      - const: apb
> +      - const: dmic

The convention we use is bus and mod

> +
> +  dmas:
> +    maxItems: 1
> +
> +  dma-names:
> +    const: rx
> +
> +  resets:
> +    maxItems: 1
> +
> +required:
> +  - "#sound-dai-cells"
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - dmas
> +  - dma-names
> +  - resets
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    spdif: spdif@5095000 {

The label and node name seems wrong?

> +        #sound-dai-cells = <0>;
> +        compatible = "allwinner,sun50i-h6-dmic";
> +        reg = <0x05095000 0x400>;
> +        clocks = <&ccu CLK_BUS_DMIC>, <&ccu CLK_DMIC>;

You'll need includes for it to compile

Maxime




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