[PATCH v6 1/2] ASoC: mediatek: dt-bindings: modify machine bindings for two MICs case
flat view
STALE1447d
LANDED
From: Ajye Huang <hidden>
Date: 2022-11-02 12:59:54
Also in:
alsa-devel, linux-arm-kernel, linux-mediatek, lkml
Subsystem:
open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
Revision v6 of 6 in this series; landed in mainline as f8639c385f7e on 2022-11-03.
Revisions (6)
Add a property "dmic-gpios" for switching between two MICs. Signed-off-by: Ajye Huang <redacted> --- .../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>;
--
2.25.1