The Allwinner H6 has a SPDIF controller called OWA (One Wire Audio).
Only one pinmuxing is available so set it as default.
Signed-off-by: Clément Péron peron.clem@gmail.com --- arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index f4ea596c82ce..307d3c896ff2 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -83,6 +83,24 @@ method = "smc"; };
+ sound_spdif { + compatible = "simple-audio-card"; + simple-audio-card,name = "On-board SPDIF"; + + simple-audio-card,cpu { + sound-dai = <&spdif>; + }; + + simple-audio-card,codec { + sound-dai = <&spdif_out>; + }; + }; + + spdif_out: spdif-out { + #sound-dai-cells = <0>; + compatible = "linux,spdif-dit"; + }; + timer { compatible = "arm,armv8-timer"; interrupts = <GIC_PPI 13 @@ -273,6 +291,11 @@ bias-pull-up; };
+ spdif_tx_pin: spdif-tx-pin { + pins = "PH7"; + function = "spdif"; + }; + uart0_ph_pins: uart0-ph-pins { pins = "PH0", "PH1"; function = "uart0"; @@ -402,6 +425,21 @@ }; };
+ spdif: spdif@5093000 { + #sound-dai-cells = <0>; + compatible = "allwinner,sun50i-h6-spdif"; + reg = <0x05093000 0x400>; + interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_SPDIF>, <&ccu CLK_SPDIF>; + clock-names = "apb", "spdif"; + resets = <&ccu RST_BUS_SPDIF>; + dmas = <&dma 2>; + dma-names = "tx"; + pinctrl-names = "default"; + pinctrl-0 = <&spdif_tx_pin>; + status = "disabled"; + }; + usb2otg: usb@5100000 { compatible = "allwinner,sun50i-h6-musb", "allwinner,sun8i-a33-musb";