linux-kernel - [PATCH v3] arm64: dts: qcom: sc7280: Use "PP1800

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Date:   Mon, 22 Aug 2022 06:28:20 +0000
From:   Judy Hsiao <judyhsiao@...omium.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Srini Kandagatla <srinivas.kandagatla@...aro.org>,
        dianders@...omium.org, mka@...omium.org, cychiang@...gle.com,
        judyhsiao@...gle.com, swboyd@...omium.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Judy Hsiao <judyhsiao@...omium.org>,
        Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Subject: [PATCH v3] arm64: dts: qcom: sc7280: Use "PP1800_L2C" as the DMIC power source.

Use "PP1800_L2C" as the DMIC power source to match the hardware
schematic by:
   1. Set MIC bias voltage regulator (vdd-micb-supply) to PP1800_L2C.
   2. In audio-routing, set VA DMIC01~VA DMIC03 to use the vdd-micb-supply
      setting.

It fixes the DMIC no sound issue of villager-r1.

Co-developed-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Signed-off-by: Judy Hsiao <judyhsiao@...omium.org>
---
Changes since V2:
    -- Update the commit message.
Changes since V1:
    -- Update the commit message.

This patch depends on:
arm64: dts: qcom: sc7280: Add herobrine-villager-r1. [1]

[1] https://patchwork.kernel.org/patch/12926099/

.../dts/qcom/sc7280-herobrine-villager-r1.dts | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts b/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts
index c03b3ae4de50..983defa7c76d 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-villager-r1.dts
@@ -12,3 +12,31 @@ / {
 	model = "Google Villager (rev1+)";
 	compatible = "google,villager", "qcom,sc7280";
 };
+
+&lpass_va_macro {
+	vdd-micb-supply = <&pp1800_l2c>;
+};
+
+&sound {
+	audio-routing =
+			"IN1_HPHL", "HPHL_OUT",
+			"IN2_HPHR", "HPHR_OUT",
+			"AMIC1", "MIC BIAS1",
+			"AMIC2", "MIC BIAS2",
+			"VA DMIC0", "vdd-micb",
+			"VA DMIC1", "vdd-micb",
+			"VA DMIC2", "vdd-micb",
+			"VA DMIC3", "vdd-micb",
+			"TX SWR_ADC0", "ADC1_OUTPUT",
+			"TX SWR_ADC1", "ADC2_OUTPUT",
+			"TX SWR_ADC2", "ADC3_OUTPUT",
+			"TX SWR_DMIC0", "DMIC1_OUTPUT",
+			"TX SWR_DMIC1", "DMIC2_OUTPUT",
+			"TX SWR_DMIC2", "DMIC3_OUTPUT",
+			"TX SWR_DMIC3", "DMIC4_OUTPUT",
+			"TX SWR_DMIC4", "DMIC5_OUTPUT",
+			"TX SWR_DMIC5", "DMIC6_OUTPUT",
+			"TX SWR_DMIC6", "DMIC7_OUTPUT",
+			"TX SWR_DMIC7", "DMIC8_OUTPUT";
+
+};
-- 
2.37.1.595.g718a3a8f04-goog