Unverified Commit 6f6fa9ce authored by Zong Li's avatar Zong Li Committed by Palmer Dabbelt
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riscv: dts: Add dma-channels property and modify compatible 



Add dma-channels property, then we can determine how many channels there
by device tree, in addition, we add the pdma versioning scheme for
compatible.

Signed-off-by: default avatarZong Li <zong.li@sifive.com>
Reviewed-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
Acked-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
Acked-by: default avatarConor Dooley <conor.dooley@microchip.com>
Reviewed-by: default avatarBin Meng <bmeng.cn@gmail.com>
Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 7da9ca3f

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

+2 −1
Original line number Diff line number Diff line
@@ -168,11 +168,12 @@ uart0: serial@10010000 { 
			status = "disabled";

		};

		dma: dma@3000000 {

			compatible = "sifive,fu540-c000-pdma";

			compatible = "sifive,fu540-c000-pdma", "sifive,pdma0";

			reg = <0x0 0x3000000 0x0 0x8000>;

			interrupt-parent = <&plic0>;

			interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>,

				     <30>;

			dma-channels = <4>;

			#dma-cells = <1>;

		};

		uart1: serial@10011000 {