[PATCH v5 3/6] arm64: dts: allwinner: a100: Add device node for DMA controller
From: Samuel Holland <samuel@sholland.org>
Date: 2022-08-26 05:10:15
Also in:
linux-devicetree, linux-leds, linux-riscv, linux-sunxi, lkml
Subsystem:
arm/allwinner sunxi soc support, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Linus Torvalds
From: Yangtao Li <redacted> The A100 SoC has a DMA controller that supports 8 DMA channels to and from various peripherals. Add a device node for it. Signed-off-by: Yangtao Li <redacted> Signed-off-by: Samuel Holland <samuel@sholland.org> --- Changes in v5: - New patch for v5, needed since the LEDC binding requires DMA - From previous submission: fixed off-by-one in dma-requests property arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index 548539c93ab0..5453a3bb7d81 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi@@ -101,6 +101,18 @@ ccu: clock@3001000 { #reset-cells = <1>; }; + dma: dma-controller@3002000 { + compatible = "allwinner,sun50i-a100-dma"; + reg = <0x03002000 0x1000>; + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>; + clock-names = "bus", "mbus"; + resets = <&ccu RST_BUS_DMA>; + dma-channels = <8>; + dma-requests = <52>; + #dma-cells = <1>; + }; + gic: interrupt-controller@3021000 { compatible = "arm,gic-400"; reg = <0x03021000 0x1000>, <0x03022000 0x2000>,
--
2.35.1
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