[PATCH 2/2] ARM: dts: sun8i: r40: Add DMA node
From: Jernej Skrabec <hidden>
Date: 2020-08-25 10:00:52
Also in:
dmaengine, linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Allwinner R40 SoC has DMA with 16 channels and 31 request sources. Add a node for it. Signed-off-by: Jernej Skrabec <redacted> --- arch/arm/boot/dts/sun8i-r40.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index b82031b19893..d481fe7989b8 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi@@ -198,6 +198,18 @@ nmi_intc: interrupt-controller@1c00030 { interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; }; + dma: dma-controller@1c02000 { + compatible = "allwinner,sun8i-r40-dma", + "allwinner,sun50i-a64-dma"; + reg = <0x01c02000 0x1000>; + interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_DMA>; + dma-channels = <16>; + dma-requests = <31>; + resets = <&ccu RST_BUS_DMA>; + #dma-cells = <1>; + }; + spi0: spi@1c05000 { compatible = "allwinner,sun8i-r40-spi", "allwinner,sun8i-h3-spi";
--
2.28.0
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