[alsa-devel] [PATCH RFC V2 5/5] DT: sti: add audio HDMI dai link in audio card

Arnaud Pouliquen arnaud.pouliquen at st.com
Thu Oct 1 18:50:21 CEST 2015


Add the HDMI dai link to support audio for HDMi output

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen at st.com>
---
 arch/arm/boot/dts/stih410.dtsi       |  6 +++++-
 arch/arm/boot/dts/stihxxx-b2120.dtsi | 21 +++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/stih410.dtsi b/arch/arm/boot/dts/stih410.dtsi
index 7ee7dc0..dfc61a9 100644
--- a/arch/arm/boot/dts/stih410.dtsi
+++ b/arch/arm/boot/dts/stih410.dtsi
@@ -186,8 +186,9 @@
 							 <&clk_s_d2_quadfs 0>;
 			};
 
-				sti-hdmi at 8d04000 {
+				sti_hdmi: sti-hdmi at 8d04000 {
 					compatible = "st,stih407-hdmi";
+					#sound-dai-cells = <0>;
 					reg = <0x8d04000 0x1000>;
 					reg-names = "hdmi-reg";
 					interrupts = <GIC_SPI 106 IRQ_TYPE_NONE>;
@@ -211,6 +212,9 @@
 					resets = <&softreset STIH407_HDMI_TX_PHY_SOFTRESET>;
 					ddc = <&hdmiddc>;
 
+					sound-dai {
+						format = "spdif";
+					};
 				};
 
 				sti-hda at 8d02000 {
diff --git a/arch/arm/boot/dts/stihxxx-b2120.dtsi b/arch/arm/boot/dts/stihxxx-b2120.dtsi
index 3ad9c82..80fed19 100644
--- a/arch/arm/boot/dts/stihxxx-b2120.dtsi
+++ b/arch/arm/boot/dts/stihxxx-b2120.dtsi
@@ -81,6 +81,9 @@
 		audio_controller: sti-asoc-platform {
 			status = "okay";
 		};
+		sti_uni_player0: sti-uni-player at 0 {
+			status = "okay";
+		};
 		sti_uni_player2: sti-uni-player at 2 {
 			status = "okay";
 		};
@@ -93,6 +96,12 @@
 		sti_uni_reader1: sti-uni-reader at 1 {
 			status = "okay";
 		};
+
+		sti-display-subsystem {
+			sti_hdmi: sti-hdmi at 8d04000 {
+				status = "okay";
+			};
+		};
 	};
 
 	sound {
@@ -125,6 +134,18 @@
 				sound-dai = <&sti_sasg_codec 0>;
 			};
 		};
+		simple-audio-card,dai-link at 2 {
+			/* HDMI */
+			format = "i2s";
+			mclk-fs = <128>;
+			cpu {
+				sound-dai = <&sti_uni_player0>;
+			};
+
+			codec {
+				sound-dai = <&sti_hdmi>;
+			};
+		};
 	};
 
 };
-- 
1.9.1



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