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[v2,18/20] ARM: tegra: Add HDMI audio graph to Tegra20 device-tree

Message ID 20211126161807.15776-19-digetx@gmail.com (mailing list archive)
State New, archived
Headers show
Series Support HDMI audio on NVIDIA Tegra20 | expand

Commit Message

Dmitry Osipenko Nov. 26, 2021, 4:18 p.m. UTC 
Add HDMI audio graph to Tegra20 device-tree to enable HDMI audio on
Tegra20 devices.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 arch/arm/boot/dts/tegra20.dtsi | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 799da7dc929b..a2cdc591b4be 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -186,7 +186,7 @@  rgb {
 			};
 		};
 
-		hdmi@54280000 {
+		tegra_hdmi: hdmi@54280000 {
 			compatible = "nvidia,tegra20-hdmi";
 			reg = <0x54280000 0x00040000>;
 			interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
@@ -1063,4 +1063,24 @@  pmu {
 		interrupt-affinity = <&{/cpus/cpu@0}>,
 				     <&{/cpus/cpu@1}>;
 	};
+
+	sound-hdmi {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "NVIDIA Tegra20 HDMI";
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		simple-audio-card,dai-link@0 {
+			reg = <0>;
+
+			cpu {
+				sound-dai = <&tegra_spdif>;
+			};
+
+			codec {
+				sound-dai = <&tegra_hdmi>;
+			};
+		};
+	};
 };