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| author | Stefan Brüns <stefan.bruens@rwth-aachen.de> | 2017-09-28 04:49:26 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-09-28 19:23:50 +0300 |
| commit | c32637e0e0f501ff85f0f1db541862e5fe27c4ee (patch) | |
| tree | ef4bc39964135cd8bcb4466ed1a6c89d9e3930dc /arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | |
| parent | 92d378fbb6e213fca6e54d71b28326879af6df28 (diff) | |
| download | linux-c32637e0e0f501ff85f0f1db541862e5fe27c4ee.tar.xz | |
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: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index a9f3a907d612..053c465c9ae2 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -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>; |