linux-kernel - [PATCH v6 1/2] ASoC: google: dt-bindings: modify machine bindings for two MICs case

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Message-Id: <20201106061433.1483129-2-ajye_huang@compal.corp-partner.google.com>
Date:   Fri,  6 Nov 2020 14:14:32 +0800
From:   Ajye Huang <ajye.huang@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Mark Brown <broonie@...nel.org>,
        Rohit kumar <rohitkr@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Patrick Lai <plai@...eaurora.org>,
        Srinivasa Rao Mandadapu <srivasam@...eaurora.org>,
        srinivas.kandagatla@...aro.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>, robh@...nel.org,
        Jaroslav Kysela <perex@...ex.cz>, cychiang@...omium.org,
        tzungbi@...omium.org, dianders@...omium.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        alsa-devel@...a-project.org,
        Ajye Huang <ajye_huang@...pal.corp-partner.google.com>
Subject: [PATCH v6 1/2] ASoC: google: dt-bindings: modify machine bindings for two MICs case

Add a property "dmic-gpios" for switching between two MICs.

Signed-off-by: Ajye Huang <ajye_huang@...pal.corp-partner.google.com>
---
 .../devicetree/bindings/sound/google,sc7180-trogdor.yaml  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml b/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
index efc34689d6b5..ce050a9dec94 100644
--- a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
+++ b/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml
@@ -34,6 +34,10 @@ properties:
   "#size-cells":
     const: 0
 
+  dmic-gpios:
+    maxItems: 1
+    description: GPIO for switching between DMICs
+
 patternProperties:
   "^dai-link(@[0-9])?$":
     description:
@@ -83,7 +87,7 @@ examples:
   - |
     sound {
         compatible = "google,sc7180-trogdor";
-        model = "sc7180-rt5682-max98357a-1mic";
+        model = "sc7180-rt5682-max98357a-2mic";
 
         audio-routing =
                     "Headphone Jack", "HPOL",
@@ -92,6 +96,8 @@ examples:
         #address-cells = <1>;
         #size-cells = <0>;
 
+        dmic-gpios = <&tlmm 86 0>;
+
         dai-link@0 {
             link-name = "MultiMedia0";
             reg = <0>;
-- 
2.25.1