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

On Sat, Dec 04, 2021 at 05:37:23PM +0300, Dmitry Osipenko wrote:

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>;
  

• 	};
  

• };
  

• };

Should this be status = "disabled" and then only enabled for platforms that actually enable HDMI?

Thierry