arm64: dts: db820c: Add sound card support

This patch adds support both digital and analog audio on DB820c.
This board has HDMI port and 3.5mm audio jack to support both digital
and analog audio respectively.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 1e78f0b47c89..943f69912074 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -18,6 +18,8 @@
 #include "apq8096-db820c-pmic-pins.dtsi"
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/sound/qcom,q6afe.h>
+#include <dt-bindings/sound/qcom,q6asm.h>
 
 /*
  * GPIO name legend: proper name = the GPIO line is used as GPIO
@@ -63,6 +65,7 @@
 	};
 
 	clocks {
+		compatible = "simple-bus";
 		divclk4: divclk4 {
 			compatible = "fixed-clock";
 			#clock-cells = <0>;
@@ -72,6 +75,15 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&divclk4_pin_a>;
 		};
+
+		div1_mclk: divclk1 {
+			compatible = "gpio-gate-clock";
+			pinctrl-0 = <&audio_mclk>;
+			pinctrl-names = "default";
+			clocks = <&rpmcc RPM_SMD_DIV_CLK1>;
+			#clock-cells = <0>;
+			enable-gpios = <&pm8994_gpios 15 0>;
+		};
 	};
 
 	soc {
@@ -453,6 +465,16 @@
 			};
 		};
 
+		slim_msm: slim@91c0000 {
+			ngd@1 {
+				wcd9335: codec@1{
+					clock-names = "mclk", "slimbus";
+					clocks = <&div1_mclk>,
+						 <&rpmcc RPM_SMD_BB_CLK1>;
+				};
+			};
+		};
+
 		mdss@900000 {
 			status = "okay";
 
@@ -666,3 +688,75 @@
 		};
 	};
 };
+
+&sound {
+	compatible = "qcom,apq8096-sndcard";
+	model = "DB820c";
+	audio-routing =	"RX_BIAS", "MCLK";
+
+	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>;
+		};
+	};
+
+	hdmi-dai-link {
+		link-name = "HDMI";
+		cpu {
+			sound-dai = <&q6afedai HDMI_RX>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+		};
+
+		codec {
+			sound-dai = <&hdmi 0>;
+		};
+	};
+
+	slim-dai-link {
+		link-name = "SLIM Playback";
+		cpu {
+			sound-dai = <&q6afedai SLIMBUS_6_RX>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+	};
+
+		codec {
+			sound-dai = <&wcd9335 6>;
+		};
+	};
+
+	slimcap-dai-link {
+		link-name = "SLIM Capture";
+		cpu {
+			sound-dai = <&q6afedai SLIMBUS_0_TX>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+		};
+
+		codec {
+			sound-dai = <&wcd9335 1>;
+		};
+	};
+};