arm64: dts: allwinner: sun50i-h6: 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 <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260324161930.1602083-2-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index 73e8604315c510b70f43cd7ee2a5607abba66682..72ce1a75647bf47908a1cc411fcbbe269582987d 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -540,6 +540,8 @@
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART0>;
                        resets = <&ccu RST_BUS_UART0>;
+                       dmas = <&dma 14>, <&dma 14>;
+                       dma-names = "tx", "rx";
                        status = "disabled";
                };
 
@@ -551,6 +553,8 @@
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART1>;
                        resets = <&ccu RST_BUS_UART1>;
+                       dmas = <&dma 15>, <&dma 15>;
+                       dma-names = "tx", "rx";
                        status = "disabled";
                };
 
@@ -562,6 +566,8 @@
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART2>;
                        resets = <&ccu RST_BUS_UART2>;
+                       dmas = <&dma 16>, <&dma 16>;
+                       dma-names = "tx", "rx";
                        status = "disabled";
                };
 
@@ -573,6 +579,8 @@
                        reg-io-width = <4>;
                        clocks = <&ccu CLK_BUS_UART3>;
                        resets = <&ccu RST_BUS_UART3>;
+                       dmas = <&dma 17>, <&dma 17>;
+                       dma-names = "tx", "rx";
                        status = "disabled";
                };