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Subject[PATCH v6 1/2] ASoC: mediatek: dt-bindings: modify machine bindings for two MICs case
Date
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>;
--
2.25.1
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