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arm64: allwinner: a64: Add device node for DMA controller

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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: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Stefan Brüns 2017-09-28 03:49:26 +02:00 committed by Maxime Ripard
parent 92d378fbb6
commit c32637e0e0
1 changed files with 11 additions and 0 deletions
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11
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
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@ -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>;