Commit 7072784d authored by Yangtao Li's avatar Yangtao Li Committed by Jernej Skrabec
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arm64: dts: allwinner: a100: Add device node for DMA controller 



The A100 SoC has a DMA controller that supports 8 DMA channels
to and from various peripherals.

Add a device node for it.

Signed-off-by: default avatarYangtao Li <frank@allwinnertech.com>
Signed-off-by: default avatarSamuel Holland <samuel@sholland.org>
Reviewed-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220830020824.62288-3-samuel@sholland.org
parent 568035b0

arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi

+12 −0
Original line number Diff line number Diff line
@@ -101,6 +101,18 @@ ccu: clock@3001000 { 
			#reset-cells = <1>;

		};



		dma: dma-controller@3002000 {

			compatible = "allwinner,sun50i-a100-dma";

			reg = <0x03002000 0x1000>;

			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>;

			clock-names = "bus", "mbus";

			resets = <&ccu RST_BUS_DMA>;

			dma-channels = <8>;

			dma-requests = <52>;

			#dma-cells = <1>;

		};



		gic: interrupt-controller@3021000 {

			compatible = "arm,gic-400";

			reg = <0x03021000 0x1000>, <0x03022000 0x2000>,