Re: [PATCH v3 1/2] ASoC: stm32: add bindings for SAI

From: Rob Herring
Date: Fri Apr 28 2017 - 16:54:11 EST


On Mon, Apr 10, 2017 at 05:19:55PM +0200, olivier moysan wrote:
> This patch adds documentation of device tree bindings for the
> STM32 SAI ASoC driver.
>
> Signed-off-by: olivier moysan <olivier.moysan@xxxxxx>
> ---
> .../devicetree/bindings/sound/st,stm32-sai.txt | 89 ++++++++++++++++++++++
> 1 file changed, 89 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/st,stm32-sai.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.txt b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt
> new file mode 100644
> index 0000000..c59a3d7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.txt
> @@ -0,0 +1,89 @@
> +STMicroelectronics STM32 Serial Audio Interface (SAI).

[...]

> + sai1b: audio-controller@40015824 {
> + #sound-dai-cells = <0>;
> + compatible = "st,stm32-sai-sub-b";
> + reg = <0x40015824 0x1C>;
> + clocks = <&rcc 1 CLK_SAI2>;
> + clock-names = "sai_ck";
> + dmas = <&dma2 5 0 0x400 0x0>;
> + dma-names = "tx";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sai1b>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + sai1b_port: port@0 {
> + reg = <0>;
> + cpu_endpoint: endpoint {
> + remote-endpoint = <&codec_endpoint>;
> + audio-graph-card,format = "i2s";
> + audio-graph-card,bitclock-master = <&codec_endpoint>;
> + audio-graph-card,frame-master = <&codec_endpoint>;

These property names are wrong.

> + };
> + };
> + };
> + };
> +};
> +
> +audio-codec {
> + codec_port: port {
> + codec_endpoint: endpoint {
> + remote-endpoint = <&cpu_endpoint>;
> + };
> + };
> +};
> --
> 1.9.1
>