[PATCH v2] arm64: dts: qcom: sdm845-xiaomi-beryllium: Add audio support

From: Joel Selvaraj
Date: Sun May 02 2021 - 22:22:58 EST


This patch adds audio support for Xiaomi Poco F1 phone. Phone's primary
Mic and 3.5mm Headphone jack are handled through the SDM845 sound card
and WCD9340 codec.

Tested-by: Amit Pundir <amit.pundir@xxxxxxxxxx>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: Joel Selvaraj <jo@xxxxxxxxxxx>
---
v2: Removed redundant MM_DL/MM_UL audio routes as suggested
by Stephan Gerhold.
---
.../boot/dts/qcom/sdm845-xiaomi-beryllium.dts | 114 ++++++++++++++++++
1 file changed, 114 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
index 86cbae63eaf7..71459e0f56c9 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
@@ -5,6 +5,8 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/qcom,pmic-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"
@@ -240,6 +242,28 @@ resin {
};
};

+/* QUAT I2S Uses 1 I2S SD Line for audio on TAS2559/60 amplifiers */
+&q6afedai {
+ qi2s@22 {
+ reg = <22>;
+ qcom,sd-lines = <0>;
+ };
+};
+
+&q6asmdai {
+ dai@0 {
+ reg = <0>;
+ };
+
+ dai@1 {
+ reg = <1>;
+ };
+
+ dai@2 {
+ reg = <2>;
+ };
+};
+
&qupv3_id_0 {
status = "okay";
};
@@ -257,6 +281,70 @@ &sdhc_2 {
cd-gpios = <&tlmm 126 GPIO_ACTIVE_HIGH>;
};

+&sound {
+ compatible = "qcom,db845c-sndcard";
+ pinctrl-0 = <&quat_mi2s_active
+ &quat_mi2s_sd0_active>;
+ pinctrl-names = "default";
+ model = "Xiaomi Poco F1";
+ 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>;
+ };
+ };
+
+ slim-dai-link {
+ link-name = "SLIM Playback";
+ cpu {
+ sound-dai = <&q6afedai SLIMBUS_0_RX>;
+ };
+
+ platform {
+ sound-dai = <&q6routing>;
+ };
+
+ codec {
+ sound-dai = <&wcd9340 0>;
+ };
+ };
+
+ slimcap-dai-link {
+ link-name = "SLIM Capture";
+ cpu {
+ sound-dai = <&q6afedai SLIMBUS_0_TX>;
+ };
+
+ platform {
+ sound-dai = <&q6routing>;
+ };
+
+ codec {
+ sound-dai = <&wcd9340 1>;
+ };
+ };
+};
+
&tlmm {
gpio-reserved-ranges = <0 4>, <81 4>;

@@ -285,6 +373,15 @@ sdc2_card_det_n: sd-card-det-n {
function = "gpio";
bias-pull-up;
};
+
+ wcd_intr_default: wcd_intr_default {
+ pins = <54>;
+ function = "gpio";
+
+ input-enable;
+ bias-pull-down;
+ drive-strength = <2>;
+ };
};

&uart6 {
@@ -345,6 +442,23 @@ &usb_1_qmpphy {
vdda-pll-supply = <&vreg_l1a_0p875>;
};

+&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 = <1800000>;
+ qcom,micbias3-microvolt = <2700000>;
+ qcom,micbias4-microvolt = <2700000>;
+};
+
&wifi {
status = "okay";

--
2.27.0