[PATCH 09/10] arm64: allwinner: a64: Add device node for DMA controller
From: Stefan Brüns <hidden>
Date: 2017-09-03 22:41:35
Also in:
linux-arm-kernel, lkml
Subsystem:
arm/allwinner sunxi soc support, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Linus Torvalds
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 <redacted> --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 882e2155f0aa..ccec81c4e9d2 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@01c02000 { + 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>;
--
2.14.1