arm64: dts: allwinner: h616: Add SPDIF device node

The H616 SoC has an SPDIF transmitter hardware block, which has the same
layout as the one in the H6, minus the receiver side.

Add a device node for it, and a default pinmux.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20240127163247.384439-8-wens@kernel.org
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
index 885809137b9de3cb3219b18bcb261c367cfee191..b1bf4fb5fc58b8471adf9fcb35001ee34dd4e0d6 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
@@ -253,6 +253,11 @@
                                function = "spi1";
                        };
 
+                       spdif_tx_pin: spdif-tx-pin {
+                               pins = "PH4";
+                               function = "spdif";
+                       };
+
                        uart0_ph_pins: uart0-ph-pins {
                                pins = "PH0", "PH1";
                                function = "uart0";
@@ -550,6 +555,21 @@
                        };
                };
 
+               spdif: spdif@5093000 {
+                       compatible = "allwinner,sun50i-h616-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>;
+                       #sound-dai-cells = <0>;
+                       status = "disabled";
+               };
+
                usbotg: usb@5100000 {
                        compatible = "allwinner,sun50i-h616-musb",
                                     "allwinner,sun8i-h3-musb";