riscv: dts: add support for PDMA device of HiFive Unleashed Rev A00

Add PDMA support to (arch/riscv/boot/dts/sifive/fu540-c000.dtsi)

Signed-off-by: Green Wan <[email protected]>
Signed-off-by: Paul Walmsley <[email protected]>

Author: GreenWanS5

arch/riscv/boot/dts/sifive/fu540-c000.dtsi

@@ -162,6 +162,13 @@
 			clocks = <&prci PRCI_CLK_TLCLK>;
 			status = "disabled";
 		};
+		dma: dma@3000000 {
+			compatible = "sifive,fu540-c000-pdma";
+			reg = <0x0 0x3000000 0x0 0x8000>;
+			interrupt-parent = <&plic0>;
+			interrupts = <23 24 25 26 27 28 29 30>;
+			#dma-cells = <1>;
+		};
 		uart1: serial@10011000 {
 			compatible = "sifive,fu540-c000-uart", "sifive,uart0";
 			reg = <0x0 0x10011000 0x0 0x1000>;