From: Marcus Cooper codekipper@gmail.com
Add the new DAI block for I2S2 which is used for HDMI audio 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-a64.dtsi | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index dc238814013c..ba8a84e6e993 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -102,6 +102,25 @@ de: display-engine { status = "disabled"; };
+ hdmi_sound: hdmi-sound { + compatible = "simple-audio-card"; + simple-audio-card,format = "i2s"; + simple-audio-card,name = "sun50i-a64-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 = <&i2s2>; + dai-tdm-slot-num = <2>; + dai-tdm-slot-width = <32>; + }; + }; + osc24M: osc24M_clk { #clock-cells = <0>; compatible = "fixed-clock"; @@ -846,6 +865,20 @@ i2s1: i2s@1c22400 { status = "disabled"; };
+ i2s2: i2s@1c22800 { + #sound-dai-cells = <0>; + compatible = "allwinner,sun50i-a64-i2s", + "allwinner,sun8i-h3-i2s"; + reg = <0x01c22800 0x400>; + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_I2S2>, <&ccu CLK_I2S2>; + clock-names = "apb", "mod"; + resets = <&ccu RST_BUS_I2S2>; + dma-names = "rx", "tx"; + dmas = <&dma 27>, <&dma 27>; + status = "disabled"; + }; + dai: dai@1c22c00 { #sound-dai-cells = <0>; compatible = "allwinner,sun50i-a64-codec-i2s"; @@ -1143,6 +1176,7 @@ deinterlace: deinterlace@1e00000 { };
hdmi: hdmi@1ee0000 { + #sound-dai-cells = <0>; compatible = "allwinner,sun50i-a64-dw-hdmi", "allwinner,sun8i-a83t-dw-hdmi"; reg = <0x01ee0000 0x10000>;