arm64: dts: allwinner: Add SPDIF node for Allwinner H6

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>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index e8bed58..02d79c6 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -282,6 +282,11 @@
                                bias-pull-up;
                        };
 
+                       spdif_tx_pin: spdif-tx-pin {
+                               pins = "PH7";
+                               function = "spdif";
+                       };
+
                        uart0_ph_pins: uart0-ph-pins {
                                pins = "PH0", "PH1";
                                function = "uart0";
@@ -411,6 +416,21 @@
                        };
                };
 
+               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";