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Commit c32637e0 authored by Stefan Brüns's avatar Stefan Brüns Committed by Maxime Ripard
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arm64: allwinner: a64: Add device node for DMA controller 



The A64 SoC has a DMA controller that supports 8 DMA channels
to and from various peripherals. The last used DRQ port is 27.

Add a device node for it.

Signed-off-by: default avatarStefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent 92d378fb

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

+11 −0
Original line number Diff line number Diff line
@@ -136,6 +136,17 @@ 
			reg = <0x01c00000 0x1000>;

		};



		dma: dma-controller@1c02000 {

			compatible = "allwinner,sun50i-a64-dma";

			reg = <0x01c02000 0x1000>;

			interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&ccu CLK_BUS_DMA>;

			dma-channels = <8>;

			dma-requests = <27>;

			resets = <&ccu RST_BUS_DMA>;

			#dma-cells = <1>;

		};



		mmc0: mmc@1c0f000 {

			compatible = "allwinner,sun50i-a64-mmc";

			reg = <0x01c0f000 0x1000>;