Hi,
Am Dienstag, 27. Februar 2024, 08:03:25 CET schrieb Shengjiu Wang:
> The AUD2HTX is a digital module that provides a bridge between
> the Audio Subsystem and the HDMI RTX Subsystem. This
> module includes intermediate storage to queue SDMA transactions
> prior to being synchronized and passed to the HDMI
> RTX Subsystem over the Audio Link.
>
> AUD2HTX works as the cpu dai in HDMI audio sound card.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> ---
>
> changes in v2:
> - remove 'status' in sound-hdmi
>
> arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 11 +++++++++++
> arch/arm64/boot/dts/freescale/imx8mp.dtsi | 10 ++++++++++
Maybe split this patch into two:
* adding aud2htx node
* enabling board support
> 2 files changed, 21 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index f87fa5a948cc..0fc6c0d21cd6 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -138,6 +138,13 @@ simple-audio-card,codec {
>
> };
>
> + sound-hdmi {
> + compatible = "fsl,imx-audio-hdmi";
> + model = "audio-hdmi";
> + audio-cpu = <&aud2htx>;
> + hdmi-out;
> + };
> +
> reserved-memory {
> #address-cells = <2>;
> #size-cells = <2>;
> @@ -191,6 +198,10 @@ &A53_3 {
> cpu-supply = <®_arm>;
> };
>
> +&aud2htx {
> + status = "okay";
> +};
> +
> &eqos {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_eqos>;
This part looks good:
Acked-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 9ab9c057f41e..721ab630d895 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1513,6 +1513,16 @@ micfil: audio-controller@30ca0000 {
> status = "disabled";
> };
>
> + aud2htx: aud2htx@30cb0000 {
> + compatible = "fsl,imx8mp-aud2htx";
> + reg = <0x30cb0000 0x10000>;
> + interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_AUD2HTX_IPG>;
> + clock-names = "bus";
> + dmas = <&sdma2 26 2 0>;
> + dma-names = "tx";
> + status = "disabled";
> + };
My WIP has the same node:
Reviewed-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> };
>
> sdma3: dma-controller@30e00000 {
>
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