From b07e92e60a8849afe1da53a2147f9ae4d2e9eefa Mon Sep 17 00:00:00 2001
From: Andrew Jackson <Andrew.Jackson@arm.com>
Date: Fri, 29 Aug 2014 16:00:29 +0100
Subject: [PATCH] Juno: Add I2S and TDA998x audio CODEC support.

Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
---
 arch/arm64/boot/dts/juno.dts | 51 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/juno.dts b/arch/arm64/boot/dts/juno.dts
index 862ab7f..364f80e 100644
--- a/arch/arm64/boot/dts/juno.dts
+++ b/arch/arm64/boot/dts/juno.dts
@@ -252,6 +252,13 @@
 			clock-output-names = "pxlclk0", "pxlclk1";
 		};
 
+		scpi_i2sclk: scpi_clocks@5 {
+			compatible = "arm,scpi-clk-range";
+			#clock-cells = <1>;
+			clock-indices = <5>;
+			frequency-range = <1536000 9216000>;
+			clock-output-names = "i2s_clock";
+		};
 	};
 
 	cpufreq {
@@ -293,6 +300,13 @@
 		clock-output-names = "smc_clk";
 	};
 
+	soc_i2sclk: clki2s {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <2116800>;
+		clock-output-names = "i2sclk";
+	};
+
 	soc_refclk100mhz: refclk100mhz {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
@@ -401,11 +415,17 @@
 		dvi0: dvi-transmitter@70 {
 			compatible = "nxp,tda998x";
 			reg = <0x70>;
+			audio-ports = <0x03>, <0x04>;
+			audio-port-names = "i2s", "spdif";
+			#sound-dai-cells = <1>;
 		};
 
 		dvi1: dvi-transmitter@71 {
 			compatible = "nxp,tda998x";
 			reg = <0x71>;
+			audio-ports = <0x03>, <0x04>;
+			audio-port-names = "i2s", "spdif";
+			#sound-dai-cells = <1>;
 		};
 	};
 
@@ -479,6 +499,37 @@
 		clock-names = "clk_mali";
 	};
 
+	soc_i2s: i2s@7ff90000 {
+		compatible = "snps,i2s";
+		reg = <0x0 0x7ff90000 0x0 0x1000>;
+		clocks = <&scpi_i2sclk 0>, <&soc_refclk100mhz>;
+		clock-names = "i2sclk", "apb_pclk";
+		#sound-dai-cells = <0>;
+		dmas = <&dma0 5>;
+		dma-names = "tx";
+	};
+
+	hdmi_audio: hdmi_audio@0 {
+		compatible = "linux,hdmi-audio";
+		#sound-dai-cells = <0>;
+		status = "okay";
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+
+		simple-audio-card,format = "i2s";
+
+		simple-audio-card,cpu {
+			sound-dai = <&soc_i2s>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&dvi0 0>;
+		};
+
+	};
+
 	smb {
 		compatible = "simple-bus";
 		#address-cells = <2>;
-- 
2.7.4