[1/2] arc: axs10x: Add DT bindings for I2S audio playback

Submitted by Jose Abreu on Feb. 22, 2017, 6:19 p.m.

Details

Message ID 7ed6deaf1ae6d5819364c793835aa30316077a7e.1487787376.git.joabreu@synopsys.com
State New
Headers show

Commit Message

Jose Abreu Feb. 22, 2017, 6:19 p.m.
This patch adds the necessary DT bindings to get HDMI audio
output in ARC AXS10x SDP. The bindings for I2S controller were
added as well as the bindings for simple audio card.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Carlos Palminha <palminha@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: devicetree@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 arch/arc/boot/dts/axs10x_mb.dtsi | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

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diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index d6c1bbc..9d882b1 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -149,12 +149,13 @@ 
 			interrupts = <14>;
 		};
 
-		i2c@0x1e000 {
-			compatible = "snps,designware-i2c";
+		i2s: i2s@1e000 {
+			compatible = "snps,designware-i2s";
 			reg = <0x1e000 0x100>;
-			clock-frequency = <400000>;
-			clocks = <&i2cclk>;
+			clocks = <&i2sclk 0>;
+			clock-names = "i2sclk";
 			interrupts = <15>;
+			#sound-dai-cells = <0>;
 		};
 
 		i2c@0x1f000 {
@@ -174,6 +175,7 @@ 
 				adi,input-colorspace = "rgb";
 				adi,input-clock = "1x";
 				adi,clock-delay = <0x03>;
+				#sound-dai-cells = <0>;
 
 				ports {
 					#address-cells = <1>;
@@ -295,5 +297,17 @@ 
 				};
 			};
 		};
+
+		sound_playback {
+			compatible = "simple-audio-card";
+			simple-audio-card,name = "AXS10x HDMI Audio";
+			simple-audio-card,format = "i2s";
+			simple-audio-card,cpu {
+				sound-dai = <&i2s>;
+			};
+			simple-audio-card,codec {
+				sound-dai = <&adv7511>;
+			};
+		};
 	};
 };