| Message ID | 801a02c2-b31f-4f1d-a3e9-8ded8ab6f1aa@rwthex-w2-a.rwth-ad.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index e9a9d7fb01c8..cbffefce0e71 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>;
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> --- Changes in v3: - Drop leading 0 from dma controller unit name Changes in v2: None arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+)