From: Jernej Skrabec jernej.skrabec@siol.net
Add the I2S node used by the HDMI and a simple-soundcard to link audio between HDMI and I2S.
Note that the HDMI codec requires an inverted frame clock and a fixed I2S width. As there is no such option for I2S we use TDM property of the simple-soundcard to do that.
Signed-off-by: Jernej Skrabec jernej.skrabec@siol.net Signed-off-by: Marcus Cooper codekipper@gmail.com Signed-off-by: Clément Péron peron.clem@gmail.com --- arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 33 ++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index 28c77d6872f6..a8853ee7885a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -67,6 +67,25 @@ de: display-engine { status = "disabled"; };
+ hdmi_sound: hdmi-sound { + compatible = "simple-audio-card"; + simple-audio-card,format = "i2s"; + simple-audio-card,name = "sun50i-h6-hdmi"; + simple-audio-card,mclk-fs = <128>; + simple-audio-card,frame-inversion; + status = "disabled"; + + simple-audio-card,codec { + sound-dai = <&hdmi>; + }; + + simple-audio-card,cpu { + sound-dai = <&i2s1>; + dai-tdm-slot-num = <2>; + dai-tdm-slot-width = <32>; + }; + }; + osc24M: osc24M_clk { #clock-cells = <0>; compatible = "fixed-clock"; @@ -609,6 +628,19 @@ mdio: mdio { }; };
+ i2s1: i2s@5091000 { + #sound-dai-cells = <0>; + compatible = "allwinner,sun50i-h6-i2s"; + reg = <0x05091000 0x1000>; + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_I2S1>, <&ccu CLK_I2S1>; + clock-names = "apb", "mod"; + dmas = <&dma 4>, <&dma 4>; + resets = <&ccu RST_BUS_I2S1>; + dma-names = "rx", "tx"; + status = "disabled"; + }; + spdif: spdif@5093000 { #sound-dai-cells = <0>; compatible = "allwinner,sun50i-h6-spdif"; @@ -739,6 +771,7 @@ ohci3: usb@5311400 { };
hdmi: hdmi@6000000 { + #sound-dai-cells = <0>; compatible = "allwinner,sun50i-h6-dw-hdmi"; reg = <0x06000000 0x10000>; reg-io-width = <1>;