linux-kernel - [PATCH] arm64: dts: qcom: sm8450-hdk: add other analogue microphones

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Date:   Mon, 17 Jul 2023 16:38:24 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH] arm64: dts: qcom: sm8450-hdk: add other analogue microphones

Add proper audio routes for onboard analogue microphones: AMIC[1345].
Use also new DAPM input widget (TX SWR_INPUTn) for them, not the
deprecated ADC one.  Change is not compatible with older kernels not
having the new SWR_INPUTn input widget.

Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Depends on ASoC driver changes:
https://lore.kernel.org/alsa-devel/20230717140138.201745-1-krzysztof.kozlowski@linaro.org/T/#t
This patch should wait till respective ASoC changes got merged.
---
 arch/arm64/boot/dts/qcom/sm8450-hdk.dts | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
index bd5e8181f2aa..9bd1ef401ca3 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
@@ -915,14 +915,23 @@ &sound {
 			"SpkrRight IN", "WSA_SPK2 OUT",
 			"IN1_HPHL", "HPHL_OUT",
 			"IN2_HPHR", "HPHR_OUT",
+			"AMIC1", "MIC BIAS1",
 			"AMIC2", "MIC BIAS2",
-			"VA DMIC0", "MIC BIAS1",
-			"VA DMIC1", "MIC BIAS1",
-			"VA DMIC2", "MIC BIAS3",
-			"TX DMIC0", "MIC BIAS1",
-			"TX DMIC1", "MIC BIAS2",
-			"TX DMIC2", "MIC BIAS3",
-			"TX SWR_ADC1", "ADC2_OUTPUT";
+			"AMIC3", "MIC BIAS3",
+			"AMIC4", "MIC BIAS3",
+			"AMIC5", "MIC BIAS4",
+			"VA DMIC0", "MIC BIAS3",
+			"VA DMIC1", "MIC BIAS3",
+			"VA DMIC2", "MIC BIAS1",
+			"VA DMIC3", "MIC BIAS1",
+			"TX DMIC0", "MIC BIAS3",
+			"TX DMIC1", "MIC BIAS3",
+			"TX DMIC2", "MIC BIAS1",
+			"TX DMIC3", "MIC BIAS1",
+			"TX SWR_INPUT0", "ADC1_OUTPUT",
+			"TX SWR_INPUT1", "ADC2_OUTPUT",
+			"TX SWR_INPUT2", "ADC3_OUTPUT",
+			"TX SWR_INPUT3", "ADC4_OUTPUT";
 
 	wcd-playback-dai-link {
 		link-name = "WCD Playback";
-- 
2.34.1