Hi,
On Sat, Jul 04, 2020 at 01:38:54PM +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 78b1361dfbb9..ae169d07b939 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;
Have you figured that one out?
> + 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>;
I'm not sure why you need to use the TDM stuff here. IIRC the HDMI
controller can output on up to 6 channels, so how would that work out?
Maxime
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