Re: [PATCH] ASoC: dt-bindings: ak4642: switch to yaml base Documentation

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On Tue, Apr 21, 2020 at 02:17:53PM +0900, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> 
> This patch switches from .txt base to .yaml base Document.
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/sound/ak4642.txt      | 37 ------------
>  .../devicetree/bindings/sound/ak4642.yaml     | 58 +++++++++++++++++++
>  2 files changed, 58 insertions(+), 37 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/sound/ak4642.txt
>  create mode 100644 Documentation/devicetree/bindings/sound/ak4642.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/ak4642.txt b/Documentation/devicetree/bindings/sound/ak4642.txt
> deleted file mode 100644
> index 58e48ee97175..000000000000
> --- a/Documentation/devicetree/bindings/sound/ak4642.txt
> +++ /dev/null
> @@ -1,37 +0,0 @@
> -AK4642 I2C transmitter
> -
> -This device supports I2C mode only.
> -
> -Required properties:
> -
> -  - compatible : "asahi-kasei,ak4642" or "asahi-kasei,ak4643" or "asahi-kasei,ak4648"
> -  - reg : The chip select number on the I2C bus
> -
> -Optional properties:
> -
> -  - #clock-cells :		common clock binding; shall be set to 0
> -  - clocks :			common clock binding; MCKI clock
> -  - clock-frequency :		common clock binding; frequency of MCKO
> -  - clock-output-names :	common clock binding; MCKO clock name
> -
> -Example 1:
> -
> -&i2c {
> -	ak4648: ak4648@12 {
> -		compatible = "asahi-kasei,ak4642";
> -		reg = <0x12>;
> -	};
> -};
> -
> -Example 2:
> -
> -&i2c {
> -	ak4643: codec@12 {
> -		compatible = "asahi-kasei,ak4643";
> -		reg = <0x12>;
> -		#clock-cells = <0>;
> -		clocks = <&audio_clock>;
> -		clock-frequency = <12288000>;
> -		clock-output-names = "ak4643_mcko";
> -	};
> -};
> diff --git a/Documentation/devicetree/bindings/sound/ak4642.yaml b/Documentation/devicetree/bindings/sound/ak4642.yaml
> new file mode 100644
> index 000000000000..6cd213be2266
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/ak4642.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/ak4642.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AK4642 I2C transmitter Device Tree Bindings
> +
> +maintainers:
> +  - Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - asahi-kasei,ak4642
> +      - asahi-kasei,ak4643
> +      - asahi-kasei,ak4648
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#clock-cells":
> +    const: 0

Need a blank line here.

> +  "#sound-dai-cells":
> +    const: 0
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-frequency:
> +    description: common clock binding; frequency of MCKO
> +    $ref: /schemas/types.yaml#/definitions/uint32

Already has a type. Is there some range of frequencies?

> +
> +  clock-output-names:
> +    description: common clock name
> +    $ref: /schemas/types.yaml#/definitions/string

Already has a type. Just 'maxItems: 1'.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        ak4643: codec@12 {
> +            compatible = "asahi-kasei,ak4643";
> +            #sound-dai-cells = <0>;
> +            reg = <0x12>;
> +            #clock-cells = <0>;
> +            clocks = <&audio_clock>;
> +            clock-frequency = <12288000>;
> +            clock-output-names = "ak4643_mcko";
> +        };
> +    };
> -- 
> 2.17.1
> 



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