Re: [PATCH v4 09/22] arm64: dts: allwinner: h6: Add HDMI audio node

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On Mon, Sep 21, 2020 at 12:27:18PM +0200, Clément Péron wrote:
> From: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
> 
> Add a simple-soundcard to link audio between HDMI and I2S.
> 
> Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
> Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx>
> Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 33 ++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> index 28c77d6872f6..a8853ee7885a 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> @@ -67,6 +67,25 @@ de: display-engine {
>  		status = "disabled";
>  	};
>  
> +	hdmi_sound: hdmi-sound {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,format = "i2s";
> +		simple-audio-card,name = "sun50i-h6-hdmi";
> +		simple-audio-card,mclk-fs = <128>;
> +		simple-audio-card,frame-inversion;
> +		status = "disabled";
> +
> +		simple-audio-card,codec {
> +			sound-dai = <&hdmi>;
> +		};
> +
> +		simple-audio-card,cpu {
> +			sound-dai = <&i2s1>;
> +			dai-tdm-slot-num = <2>;
> +			dai-tdm-slot-width = <32>;

It looks weird to have both some TDM setup here, and yet the format in
i2s?

Maxime




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