From: Chen-Yu Tsai Date: Tue, 24 Mar 2026 16:19:28 +0000 (+0800) Subject: arm64: dts: allwinner: sun50i-a64: add UART DMA channels X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e80a0367bca7ffe3dfff41948474fe3c3ad3587;p=thirdparty%2Fkernel%2Fstable.git 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: Jernej Skrabec Link: https://patch.msgid.link/20260324161930.1602083-1-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 0fecf0abb204..04a26762a19a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -1000,6 +1000,8 @@ 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 @@ 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 @@ 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 @@ 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 @@ 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"; };