[PATCH v2 1/2] ASoC: google: dt-bindings: modify machine bindings for two MICs case
From: Ajye Huang <hidden>
Date: 2020-10-30 07:57:43
Also in:
alsa-devel, linux-arm-kernel, linux-arm-msm, 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
Add a property "dmic-gpios" for switching between two MICs. Signed-off-by: Ajye Huang <redacted> --- .../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>; + }; + }; + }; + +...
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2.25.1