[PATCH v4 20/22] ARM: tegra: Add HDMI audio graph to Tegra20 device-tree

Dmitry Osipenko
2021-12-04T14:39:10Z

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(-)

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 72cbe32d0c1d..dde228bcbbff 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>;
+ };
+ };
+ };
};
--
2.33.1