Commit 1e80a036 authored by Chen-Yu Tsai's avatar Chen-Yu Tsai
Browse files

arm64: dts: allwinner: sun50i-a64: add UART DMA channels 



All the UARTs support DMA and are hooked up to the DMA controller.

Add the DMA channels for the UARTs

Acked-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260324161930.1602083-1-wens@kernel.org


Signed-off-by: default avatarChen-Yu Tsai <wens@kernel.org>
parent b912e48b

arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -1000,6 +1000,8 @@ uart0: serial@1c28000 { 
			reg-io-width = <4>;

			clocks = <&ccu CLK_BUS_UART0>;

			resets = <&ccu RST_BUS_UART0>;

			dmas = <&dma 6>, <&dma 6>;

			dma-names = "tx", "rx";

			status = "disabled";

		};
@@ -1011,6 +1013,8 @@ uart1: serial@1c28400 { 
			reg-io-width = <4>;

			clocks = <&ccu CLK_BUS_UART1>;

			resets = <&ccu RST_BUS_UART1>;

			dmas = <&dma 7>, <&dma 7>;

			dma-names = "tx", "rx";

			status = "disabled";

		};
@@ -1022,6 +1026,8 @@ uart2: serial@1c28800 { 
			reg-io-width = <4>;

			clocks = <&ccu CLK_BUS_UART2>;

			resets = <&ccu RST_BUS_UART2>;

			dmas = <&dma 8>, <&dma 8>;

			dma-names = "tx", "rx";

			status = "disabled";

		};
@@ -1033,6 +1039,8 @@ uart3: serial@1c28c00 { 
			reg-io-width = <4>;

			clocks = <&ccu CLK_BUS_UART3>;

			resets = <&ccu RST_BUS_UART3>;

			dmas = <&dma 9>, <&dma 9>;

			dma-names = "tx", "rx";

			status = "disabled";

		};
@@ -1044,6 +1052,8 @@ uart4: serial@1c29000 { 
			reg-io-width = <4>;

			clocks = <&ccu CLK_BUS_UART4>;

			resets = <&ccu RST_BUS_UART4>;

			dmas = <&dma 10>, <&dma 10>;

			dma-names = "tx", "rx";

			status = "disabled";

		};