linux-kernel - [PATCH v3 1/7] ARM: dts: sun8i: v3s: add DMA controller to v3s dts

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Date:   Fri, 14 May 2021 15:43:59 +0200
From:   Tobias Schramm <t.schramm@...jaro.org>
To:     Jernej Škrabec <jernej.skrabec@...il.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Tobias Schramm <t.schramm@...jaro.org>
Subject: [PATCH v3 1/7] ARM: dts: sun8i: v3s: add DMA controller to v3s dts

The Allwinner V3s and V3 feature a DMA controller.
This commit adds it to the V3s dtsi.

Signed-off-by: Tobias Schramm <t.schramm@...jaro.org>
---
 arch/arm/boot/dts/sun8i-v3s.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
index eb4cb63fef13..f0296ab46137 100644
--- a/arch/arm/boot/dts/sun8i-v3s.dtsi
+++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2016 Icenowy Zheng <icenowy@...c.xyz>
+ * Copyright (C) 2021 Tobias Schramm <t.schramm@...jaro.org>
  *
  * This file is dual-licensed: you can use it either under the terms
  * of the GPL or the X11 license, at your option. Note that this dual
@@ -172,6 +173,15 @@ nmi_intc: interrupt-controller@...00d0 {
 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		dma: dma-controller@...2000 {
+			compatible = "allwinner,sun8i-v3s-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>;
+		};
+
 		tcon0: lcd-controller@...c000 {
 			compatible = "allwinner,sun8i-v3s-tcon";
 			reg = <0x01c0c000 0x1000>;
-- 
2.31.1