From 2ede00b489f3afa3bec5e587f53ef8dba2a69dfd Mon Sep 17 00:00:00 2001
From: Dongjin Kim <tobetter@gmail.com>
Date: Thu, 30 Apr 2020 23:51:12 +0900
Subject: [PATCH 17/74] ODROID-C4: arm64: dts: meson-sm1-odroid-c4: add sound
 card

Add the sound card on Hardkernel ODROID-C4 and enable HDMI output with
the interface TDM-B.

Tested commands:
	amixer sset 'FRDDR_A SINK 1 SEL' 'OUT 1'
	amixer sset 'FRDDR_A SRC 1 EN' 'on'
	amixer sset 'TDMOUT_B SRC SEL' 'IN 0'
	amixer sset 'TOHDMITX I2S SRC' 'I2S B'
	amixer sset 'TOHDMITX' 'on'
	alsactl store

Change-Id: I7aa2d310fb97af7aa77fc54e3e56a09ee5b30b40
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
---
 .../boot/dts/amlogic/meson-sm1-odroid-c4.dts  | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
index 807f88cd5280..4dbdf049c87c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
@@ -7,6 +7,7 @@
 
 #include "meson-sm1.dtsi"
 #include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
 #include <dt-bindings/leds/common.h>
 
 / {
@@ -187,6 +188,69 @@ hdmi_connector_in: endpoint {
 			};
 		};
 	};
+
+	sound {
+		compatible = "amlogic,axg-sound-card";
+		model = "SM1-ODROID-C4";
+		audio-aux-devs = <&tdmout_b>;
+		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
+				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
+				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
+				"TDM_B Playback", "TDMOUT_B OUT";
+
+		assigned-clocks = <&clkc CLKID_MPLL2>,
+				  <&clkc CLKID_MPLL0>,
+				  <&clkc CLKID_MPLL1>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+		status = "okay";
+
+		dai-link-0 {
+			sound-dai = <&frddr_a>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&frddr_b>;
+		};
+
+		dai-link-2 {
+			sound-dai = <&frddr_c>;
+		};
+
+		/* 8ch hdmi interface */
+		dai-link-3 {
+			sound-dai = <&tdmif_b>;
+			dai-format = "i2s";
+			dai-tdm-slot-tx-mask-0 = <1 1>;
+			dai-tdm-slot-tx-mask-1 = <1 1>;
+			dai-tdm-slot-tx-mask-2 = <1 1>;
+			dai-tdm-slot-tx-mask-3 = <1 1>;
+			mclk-fs = <256>;
+
+			codec {
+				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
+			};
+		};
+
+		/* hdmi glue */
+		dai-link-4 {
+			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
+
+			codec {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+};
+
+&arb {
+	status = "okay";
+};
+
+&clkc_audio {
+	status = "okay";
 };
 
 &cpu0 {
@@ -242,6 +306,18 @@ &ethmac {
 	amlogic,tx-delay-ns = <2>;
 };
 
+&frddr_a {
+	status = "okay";
+};
+
+&frddr_b {
+	status = "okay";
+};
+
+&frddr_c {
+	status = "okay";
+};
+
 &gpio {
 	gpio-line-names =
 		/* GPIOZ */
@@ -390,6 +466,18 @@ &sd_emmc_c {
 	vqmmc-supply = <&flash_1v8>;
 };
 
+&tdmif_b {
+	status = "okay";
+};
+
+&tdmout_b {
+	status = "okay";
+};
+
+&tohdmitx {
+	status = "okay";
+};
+
 &uart_A {
 	status = "okay";
 	pinctrl-names = "default";
-- 
2.25.1