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/arm/boot/dts/sunxi-h3-h5.dtsi | 33 ++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi index 22d533d18992..7168e9412410 100644 --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi @@ -105,6 +105,25 @@ de: display-engine { status = "disabled"; };
+ hdmi_sound: hdmi-sound { + compatible = "simple-audio-card"; + simple-audio-card,format = "i2s"; + simple-audio-card,name = "sun8i-h3-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>; + }; + }; + soc { compatible = "simple-bus"; #address-cells = <1>; @@ -662,6 +681,19 @@ i2s1: i2s@1c22400 { status = "disabled"; };
+ i2s2: i2s@1c22800 { + #sound-dai-cells = <0>; + compatible = "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"; + dmas = <&dma 27>, <&dma 27>; + resets = <&ccu RST_BUS_I2S2>; + dma-names = "rx", "tx"; + status = "disabled"; + }; + codec: codec@1c22c00 { #sound-dai-cells = <0>; compatible = "allwinner,sun8i-h3-codec"; @@ -793,6 +825,7 @@ csi: camera@1cb0000 { };
hdmi: hdmi@1ee0000 { + #sound-dai-cells = <0>; compatible = "allwinner,sun8i-h3-dw-hdmi", "allwinner,sun8i-a83t-dw-hdmi"; reg = <0x01ee0000 0x10000>;