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

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

Add the DMA channels for the UARTs

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260324161930.1602083-1-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
This commit is contained in:
Chen-Yu Tsai 2026-03-25 00:19:28 +08:00
parent b912e48bee
commit 1e80a0367b
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
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@ -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";
};