[PATCH v2 11/11] arm64: dts: qcom: sdm670-google: add sound card

[Richard Acayan <mailingradian@gmail.com>]

The Pixel 3a has a sound card for built-in audio (RT5514 and CS35L36
codecs) and for the headphone jack (WCD codec). Add the sound card,
q6asm frontends, and WCD codec for headset audio.

Signed-off-by: Richard Acayan <mailingradian@gmail.com>
---
 .../boot/dts/qcom/sdm670-google-common.dtsi   | 144 ++++++++++++++++++
 1 file changed, 144 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi b/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi
index 73639b0271e9..fadd3b5eca42 100644
--- a/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670-google-common.dtsi
@@ -11,6 +11,7 @@
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
+#include <dt-bindings/sound/qcom,q6asm.h>
 #include "sdm670.dtsi"
 #include "pm660.dtsi"
 #include "pm660l.dtsi"
@@ -52,6 +53,14 @@ framebuffer: framebuffer@9c000000 {
 		};
 	};
 
+	clocks {
+		int_cdc_bclk: int-cdc-bclk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <1536000>;
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		autorepeat;
@@ -127,6 +136,87 @@ debug_info_mem: debug-info@a1800000 {
 		};
 	};
 
+	sound {
+		compatible = "qcom,sdm660-sndcard";
+		model = "Google Pixel 3a";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&cdc_pdm_default>,
+			    <&cdc_dmic_default>;
+
+		audio-routing = "Analog PDM_RX1", "Digital PDM_RX1",
+				"Analog PDM_RX2", "Digital PDM_RX2",
+				"Analog PDM_RX3", "Digital PDM_RX3",
+				"Digital LPASS_PDM_TX", "Analog PDM_TX",
+				"Analog AMIC2", "Analog MIC BIAS External2";
+
+		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>;
+			};
+		};
+
+		mm4-dai-link {
+			link-name = "MultiMedia4";
+
+			cpu {
+				sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA4>;
+			};
+		};
+
+		lpi-mi2s-rx-dai-link {
+			link-name = "LPI MI2S Playback";
+
+			codec {
+				sound-dai = <&pm660l_codec 0>,
+					    <&lpass_codec 0>;
+			};
+
+			cpu {
+				sound-dai = <&q6afedai LPI_MI2S_RX_0>;
+			};
+
+			platform {
+				sound-dai = <&q6routing>;
+			};
+		};
+
+		lpi-mi2s-tx-dai-link {
+			link-name = "LPI MI2S Capture";
+
+			codec {
+				sound-dai = <&pm660l_codec 1>,
+					    <&lpass_codec 1>;
+			};
+
+			cpu {
+				sound-dai = <&q6afedai LPI_MI2S_TX_3>;
+			};
+
+			platform {
+				sound-dai = <&q6routing>;
+			};
+		};
+	};
+
 	/*
 	 * The touchscreen regulator seems to be controlled somehow by a gpio.
 	 * Model it as a fixed regulator and keep it on. Without schematics we
@@ -528,6 +618,17 @@ rmi4_f12: rmi4-f12@12 {
 	};
 };
 
+&lpass_codec {
+	clocks = <&int_cdc_bclk>,
+		 <&q6afecc LPASS_CLK_ID_INT_MCLK_0 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+	clock-names = "ahbix-clk", "mclk";
+
+	assigned-clocks = <&q6afecc LPASS_CLK_ID_INT_MCLK_0 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+	assigned-clock-rates = <9600000>;
+
+	status = "okay";
+};
+
 &lpi_tlmm {
 	/* sensor gpios are protected */
 	gpio-reserved-ranges = <0 8>, <12 6>;
@@ -591,6 +692,19 @@ &pm660_rradc {
 	status = "okay";
 };
 
+&pm660l_codec {
+	vdd-cdc-io-supply = <&vreg_l10a_1p8>;
+	vdd-cdc-tx-rx-cx-supply = <&vreg_l1b_0p925>;
+	vdd-micbias-supply = <&vreg_l7b_3p125>;
+
+	qcom,mbhc-vthreshold-low = <75 150 237 437 437>;
+	qcom,mbhc-vthreshold-high = <75 150 237 437 437>;
+
+	qcom,micbias-lvl = <2500>;
+
+	status = "okay";
+};
+
 &pm660l_flash {
 	status = "okay";
 
@@ -633,6 +747,36 @@ &qupv3_id_1 {
 	status = "okay";
 };
 
+&q6afedai {
+	dai@89 {
+		reg = <LPI_MI2S_RX_0>;
+		qcom,sd-lines = <0 1>;
+	};
+
+	dai@90 {
+		reg = <LPI_MI2S_TX_3>;
+		qcom,sd-lines = <0 1>;
+	};
+};
+
+&q6asmdai {
+	dai@0 {
+		reg = <MSM_FRONTEND_DAI_MULTIMEDIA1>;
+	};
+
+	dai@1 {
+		reg = <MSM_FRONTEND_DAI_MULTIMEDIA2>;
+	};
+
+	dai@2 {
+		reg = <MSM_FRONTEND_DAI_MULTIMEDIA3>;
+	};
+
+	dai@3 {
+		reg = <MSM_FRONTEND_DAI_MULTIMEDIA4>;
+	};
+};
+
 &sdhc_1 {
 	supports-cqe;
 	mmc-hs200-1_8v;
-- 
2.56.0