ARM: dts: sun8i: r40: Add DMA node

Allwinner R40 SoC has DMA with 16 channels and 31 request sources.

Add a node for it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200825100030.1145356-3-jernej.skrabec@siol.net

diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index b82031b..d481fe7 100644 (file)
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -198,6 +198,18 @@
                        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";