On Tue, Nov 03, 2020 at 06:30:50PM +0800, Ajye Huang wrote:
> Add a property "dmic-gpios" for switching between two MICs.
>
> Signed-off-by: Ajye Huang <ajye_huang@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
> .../bindings/sound/google,sc7180-trogdor.yaml | 58 +++++++++++++++++++
> 1 file changed, 58 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml b/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
> index efc34689d6b5..9e0505467e57 100644
> --- a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
> +++ b/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
> @@ -34,6 +34,9 @@ properties:
> "#size-cells":
> const: 0
>
> + dmic-gpios:
> + description: GPIO for switching between DMICs
Need to define how many (maxItems: 1).
> +
> patternProperties:
> "^dai-link(@[0-9])?$":
> description:
> @@ -81,6 +84,7 @@ additionalProperties: false
> examples:
>
> - |
> + //Example 1
> sound {
> compatible = "google,sc7180-trogdor";
> model = "sc7180-rt5682-max98357a-1mic";
> @@ -128,3 +132,57 @@ examples:
> };
> };
> };
> +
> + - |
> + //Example 2 (2mic case)
> + sound {
> + compatible = "google,sc7180-trogdor";
> + model = "sc7180-rt5682-max98357a-2mic";
> +
> + audio-routing =
> + "Headphone Jack", "HPOL",
> + "Headphone Jack", "HPOR";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + dmic-gpios = <&tlmm 86 0>;
Do we really need another example for this? Can't you just add it to the
existing example?
> +
> + dai-link@0 {
> + link-name = "MultiMedia0";
> + reg = <0>;
> + cpu {
> + sound-dai = <&lpass_cpu 0>;
> + };
> +
> + codec {
> + sound-dai = <&alc5682 0>;
> + };
> + };
> +
> + dai-link@1 {
> + link-name = "MultiMedia1";
> + reg = <1>;
> + cpu {
> + sound-dai = <&lpass_cpu 1>;
> + };
> +
> + codec {
> + sound-dai = <&max98357a>;
> + };
> + };
> +
> + dai-link@2 {
> + link-name = "MultiMedia2";
> + reg = <2>;
> + cpu {
> + sound-dai = <&lpass_hdmi 0>;
> + };
> +
> + codec {
> + sound-dai = <&msm_dp>;
> + };
> + };
> + };
> +
> +...
> --
> 2.25.1
>
