Add a property "dmic-gpios" for switching between two MICs.
Signed-off-by: Ajye Huang ajye_huang@compal.corp-partner.google.com --- .../sound/mt8186-mt6366-rt1019-rt5682s.yaml | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml index 4fc5b045d3cf..9d3139990237 100644 --- a/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml +++ b/Documentation/devicetree/bindings/sound/mt8186-mt6366-rt1019-rt5682s.yaml @@ -21,6 +21,13 @@ properties: $ref: "/schemas/types.yaml#/definitions/phandle" description: The phandle of MT8186 ASoC platform.
+ dmic-gpios: + maxItems: 1 + description: + dmic-gpios optional prop for switching between two DMICs. + Ex, the GPIO can control a MUX HW component to select + dmic clk and data form a Front or Rear dmic. + headset-codec: type: object additionalProperties: false @@ -63,14 +70,19 @@ required:
examples: - | + #include <dt-bindings/gpio/gpio.h>
sound: mt8186-sound { compatible = "mediatek,mt8186-mt6366-rt1019-rt5682s-sound"; mediatek,platform = <&afe>; pinctrl-names = "aud_clk_mosi_off", - "aud_clk_mosi_on"; + "aud_clk_mosi_on", + "aud_gpio_dmic_sec"; pinctrl-0 = <&aud_clk_mosi_off>; pinctrl-1 = <&aud_clk_mosi_on>; + pinctrl-2 = <&aud_gpio_dmic_sec>; + + dmic-gpios = <&pio 23 GPIO_ACTIVE_HIGH>;
headset-codec { sound-dai = <&rt5682s>;