Re: [PATCH v2 5/5] arm64: dts: fsd: Add sound card node for Tesla FSD

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On 03/01/2023 05:56, Padmanabhan Rajanbabu wrote:
> Add device tree node support for sound card on Tesla FSD board
> 
> Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/tesla/fsd-evb.dts | 37 +++++++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> index e2fd49774f15..ce726bddfb50 100644
> --- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
> +++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> @@ -29,6 +29,43 @@
>  		device_type = "memory";
>  		reg = <0x0 0x80000000 0x2 0x00000000>;
>  	};
> +
> +	sound {
> +		compatible = "simple-audio-card";
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		simple-audio-card,name = "FSD Audio Card";
> +		simple-audio-card,widgets =
> +			"Line", "Line Out",

I don't think you need to break the line after '='.

> +			"Line", "Line In";
> +		simple-audio-card,routing =
> +			"Line Out", "LLOUT",
> +			"Line Out", "RLOUT",
> +			"MIC2L", "Line In",
> +			"MIC2R", "Line In";
> +
> +		status = "okay";

Why?

> +
> +		simple-audio-card,dai-link@0 {
> +			reg = <0>;
> +			format = "i2s";
> +			bitclock-master = <&tlv320aic3x>;
> +			frame-master = <&tlv320aic3x>;
> +
> +			cpu0 {

Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).

> +				sound-dai = <&i2s_0 0>;
> +			};
> +			cpu1 {
> +				sound-dai = <&i2s_0 1>;
> +			};
> +			codec {
> +				sound-dai = <&tlv320aic3x>;
> +				system-clock-frequency = <33000000>;
> +			};

Best regards,
Krzysztof




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