On Mon, Feb 5, 2018 at 4:44 PM, Sylwester Nawrocki
<s.nawrocki@xxxxxxxxxxx> wrote:
> The #sound-dai-cells property might be helpful in selecting primary
> or secondary CPU DAI and it's already present in i2s nodes for some
> exynos SoCs so let's add it to the DT binding documentation.
The description above looks like you are documenting existing optional
property but you added it as a required property.
Best regards,
Krzysztof
>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/sound/samsung-i2s.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/sound/samsung-i2s.txt b/Documentation/devicetree/bindings/sound/samsung-i2s.txt
> index 5d7bb2735824..dd1b6e329941 100644
> --- a/Documentation/devicetree/bindings/sound/samsung-i2s.txt
> +++ b/Documentation/devicetree/bindings/sound/samsung-i2s.txt
> @@ -54,6 +54,9 @@ in the IIS Multi Audio Interface.
> Note: Old DTs may not have the #clock-cells property and then not use the I2S
> node as a clock supplier.
>
> + - #sound-dai-cells: should be 1.
> +
> +
> Optional SoC Specific Properties:
>
> - samsung,idma-addr: Internal DMA register base address of the audio
> @@ -79,4 +82,5 @@ i2s0: i2s@3830000 {
> samsung,idma-addr = <0x03000000>;
> pinctrl-names = "default";
> pinctrl-0 = <&i2s0_bus>;
> + #sound-dai-cells = <1>;
> };
> --
> 2.14.2
>
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