linux-kernel - [PATCH 2/2] arm64: dts: qcom/sdm845-shift-axolotl: Add audio support

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Date:   Thu,  9 Jun 2022 11:54:12 +0200
From:   Alexander Martinz <amartinz@...ftphones.com>
To:     ~postmarketos/upstreaming@...ts.sr.ht
Cc:     phone-devel@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Alexander Martinz <amartinz@...ftphones.com>,
        Dylan Van Assche <me@...anvanassche.be>
Subject: [PATCH 2/2] arm64: dts: qcom/sdm845-shift-axolotl: Add audio support

This patch adds audio support for the SHIFT6mq phone.

The primary microphone and headphone jack are handled by the
SDM845 sound card and WCD9340 codec.

The primary speaker needs to go through the TFA9890 speaker
amplifier.

Signed-off-by: Alexander Martinz <amartinz@...ftphones.com>
Tested-by: Dylan Van Assche <me@...anvanassche.be>
---
 .../boot/dts/qcom/sdm845-shift-axolotl.dts    | 141 ++++++++++++++++++
 1 file changed, 141 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
index fa72f23ef0c2..8c4967d6d0e3 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
@@ -8,6 +8,8 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+#include <dt-bindings/sound/qcom,q6afe.h>
+#include <dt-bindings/sound/qcom,q6asm.h>
 #include "sdm845.dtsi"
 #include "pm8998.dtsi"
 #include "pmi8998.dtsi"
@@ -492,6 +494,19 @@ touchscreen@38 {
 	};
 };
 
+&i2c11 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	tfa9890_codec: tfa9890@34 {
+		compatible = "nxp,tfa9890";
+		reg = <0x34>;
+		vddd-supply = <&vreg_s4a_1p8>;
+		reset-gpio = <&tlmm 7 0>;
+		#sound-dai-cells = <1>;
+	};
+};
+
 &ipa {
 	status = "okay";
 
@@ -530,6 +545,27 @@ volume_down_resin: resin {
 	};
 };
 
+&q6afedai {
+	qi2s@22 {
+		reg = <22>;
+		qcom,sd-lines = <0>;
+	};
+};
+
+&q6asmdai {
+	dai@0 {
+		reg = <0>;
+	};
+
+	dai@1 {
+		reg = <1>;
+	};
+
+	dai@2 {
+		reg = <2>;
+	};
+};
+
 /*
  * Prevent garbage data on bluetooth UART lines
  */
@@ -578,6 +614,84 @@ &qupv3_id_1 {
 	status = "okay";
 };
 
+&sound {
+	model = "SHIFT6mq";
+	compatible = "qcom,sdm845-sndcard";
+	pinctrl-0 = <&quat_mi2s_active &quat_mi2s_sd0_active>;
+	pinctrl-names = "default";
+
+	audio-routing = "RX_BIAS", "MCLK",
+			"AMIC1", "MIC BIAS1",
+			"AMIC2", "MIC BIAS2",
+			"AMIC3", "MIC BIAS3";
+
+	mm1-dai-link {
+		link-name = "MultiMedia1";
+		cpu {
+			sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
+		};
+	};
+
+	mm2-dai-link {
+		link-name = "MultiMedia2";
+		cpu {
+			sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA2>;
+		};
+	};
+
+	mm3-dai-link {
+		link-name = "MultiMedia3";
+		cpu {
+			sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA3>;
+		};
+	};
+
+	speaker-dai-link {
+		link-name = "Speaker Playback";
+		codec {
+			sound-dai = <&tfa9890_codec 0>;
+		};
+
+		cpu {
+			sound-dai = <&q6afedai QUATERNARY_MI2S_RX>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+		};
+	};
+
+	slim-dai-link {
+		link-name = "SLIM Playback";
+		codec {
+			sound-dai = <&wcd9340 0>;
+		};
+
+		cpu {
+			sound-dai = <&q6afedai SLIMBUS_0_RX>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+		};
+	};
+
+	slimcap-dai-link {
+		link-name = "SLIM Capture";
+		codec {
+			sound-dai = <&wcd9340 1>;
+		};
+
+		cpu {
+			sound-dai = <&q6afedai SLIMBUS_0_TX>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+		};
+	};
+};
+
 &tlmm {
 	gpio-reserved-ranges = <0 4>, <81 4>;
 
@@ -686,6 +800,15 @@ config {
 			bias-pull-down;
 		};
 	};
+
+	wcd_intr_default: wcd_intr_default {
+		pins = <54>;
+		function = "gpio";
+
+		input-enable;
+		bias-pull-down;
+		drive-strength = <2>;
+	};
 };
 
 &uart6 {
@@ -756,6 +879,24 @@ &venus {
 	firmware-name = "qcom/sdm845/axolotl/venus.mbn";
 };
 
+&wcd9340 {
+	pinctrl-0 = <&wcd_intr_default>;
+	pinctrl-names = "default";
+	clock-names = "extclk";
+	clocks = <&rpmhcc RPMH_LN_BB_CLK2>;
+	reset-gpios = <&tlmm 64 0>;
+	vdd-buck-supply = <&vreg_s4a_1p8>;
+	vdd-buck-sido-supply = <&vreg_s4a_1p8>;
+	vdd-tx-supply = <&vreg_s4a_1p8>;
+	vdd-rx-supply = <&vreg_s4a_1p8>;
+	vdd-io-supply = <&vreg_s4a_1p8>;
+
+	qcom,micbias1-microvolt = <2700000>;
+	qcom,micbias2-microvolt = <2700000>;
+	qcom,micbias3-microvolt = <2700000>;
+	qcom,micbias4-microvolt = <2700000>;
+};
+
 &wifi {
 	status = "okay";
 
-- 
2.36.1