From: Yangtao Li <frank@allwinnertech.com>
Date: Tue, 30 Aug 2022 02:08:23 +0000 (-0500)
Subject: arm64: dts: allwinner: a100: Add device node for DMA controller
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7072784d97b2b140a9e5507a29fcbc9b70dfc343;p=linux.git

arm64: dts: allwinner: a100: Add device node for DMA controller

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 <frank@allwinnertech.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220830020824.62288-3-samuel@sholland.org
---

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index 548539c93ab0c..5453a3bb7d81a 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -101,6 +101,18 @@
 			#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>,