| Message ID | 20170830233609.13855-3-stefan.bruens@rwth-aachen.de |
|---|---|
| State | New |
| Headers | show |
| Series | dmaengine: Fix DMA on current allwinner SoCs, add A64 support | expand |
On Thu, Aug 31, 2017 at 01:36:08AM +0200, Stefan Brüns wrote: > The A64 SoC has a DMA controller that supports 8 DMA channels > to and from various peripherals. > > Add a device node for it. > > Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> > --- > Documentation/devicetree/bindings/dma/sun6i-dma.txt | 1 + > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 9 +++++++++ > 2 files changed, 10 insertions(+) Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/dma/sun6i-dma.txt b/Documentation/devicetree/bindings/dma/sun6i-dma.txt index 6b267045f522..4398b990250c 100644 --- a/Documentation/devicetree/bindings/dma/sun6i-dma.txt +++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt @@ -9,6 +9,7 @@ Required properties: "allwinner,sun8i-a23-dma" "allwinner,sun8i-a83t-dma" "allwinner,sun8i-h3-dma" + "allwinner,sun50i-a64-dma" - reg: Should contain the registers base address and length - interrupts: Should contain a reference to the interrupt used by this device - clocks: Should contain a reference to the parent AHB clock diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 7be9eb2ad83c..f96287d3043a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -136,6 +136,15 @@ 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>; + 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. Add a device node for it. Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> --- Documentation/devicetree/bindings/dma/sun6i-dma.txt | 1 + arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 9 +++++++++ 2 files changed, 10 insertions(+)