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
+
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>;
+
+ 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
