Document dmic_sel-gpios optional prop for switching between two DMICs. Ex, the GPIO can control a MUX to select Front or Rear dmic.
Signed-off-by: Ajye Huang ajye_huang@compal.corp-partner.google.com --- Documentation/devicetree/bindings/sound/dmic-codec.yaml | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/dmic-codec.yaml b/Documentation/devicetree/bindings/sound/dmic-codec.yaml index bba27c985996..4013af65f3e7 100644 --- a/Documentation/devicetree/bindings/sound/dmic-codec.yaml +++ b/Documentation/devicetree/bindings/sound/dmic-codec.yaml @@ -36,6 +36,10 @@ properties: wakeup-delay-ms: description: Delay (in ms) after enabling the DMIC
+ dmic_sel-gpios: + maxItems: 1 + description: GPIO for switching between DMICs, ex Front/Rear dmic + required: - compatible
@@ -48,6 +52,7 @@ examples: dmic { compatible = "dmic-codec"; dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; + dmic_sel-gpios = <&pio 23 GPIO_ACTIVE_HIGH>; num-channels = <1>; wakeup-delay-ms = <50>; modeswitch-delay-ms = <35>;