riscv: dts: allwinner: d1: Add LED controller node

Allwinner D1 contains an LED controller. Add its devicetree node, as
well as the pinmux used by the reference board design.

Acked-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Tested-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://patch.msgid.link/20231029212738.7871-5-samuel@sholland.org
[wens@kernel.org: move "status" to end of properties]
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

Author: smaeul

arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi

@@ -58,6 +58,12 @@
 		function = "i2c2";
 	};
 
+	/omit-if-no-ref/
+	ledc_pc0_pin: ledc-pc0-pin {
+		pins = "PC0";
+		function = "ledc";
+	};
+
 	/omit-if-no-ref/
 	uart0_pb8_pins: uart0-pb8-pins {
 		pins = "PB8", "PB9";

arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi

@@ -204,6 +204,21 @@
 			#reset-cells = <1>;
 		};
 
+		ledc: led-controller@2008000 {
+			compatible = "allwinner,sun20i-d1-ledc",
+				     "allwinner,sun50i-a100-ledc";
+			reg = <0x2008000 0x400>;
+			interrupts = <SOC_PERIPHERAL_IRQ(20) IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_LEDC>, <&ccu CLK_LEDC>;
+			clock-names = "bus", "mod";
+			resets = <&ccu RST_BUS_LEDC>;
+			dmas = <&dma 42>;
+			dma-names = "tx";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		gpadc: adc@2009000 {
 			compatible = "allwinner,sun20i-d1-gpadc";
 			reg = <0x2009000 0x400>;