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 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>; + }; + }; + }; };