linux-kernel - [PATCH v4] arm64: dts: allwinner: h6: Add DMA node

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Date:   Tue, 11 Jun 2019 23:40:55 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Dan Williams <dan.j.williams@...el.com>
Cc:     dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Clément Péron <peron.clem@...il.com>
Subject: [PATCH v4] arm64: dts: allwinner: h6: Add DMA node

From: Jernej Skrabec <jernej.skrabec@...l.net>

H6 has DMA controller which supports 16 channels.

Add a node for it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
Signed-off-by: Clément Péron <peron.clem@...il.com>
---

Changes since v3:
 - Rebase on top of sunxi/for-next
 - Sort by physical address

 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index b9a7dc8d2a40..7628a7c83096 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -203,6 +203,18 @@
 			#reset-cells = <1>;
 		};
 
+		dma: dma-controller@...2000 {
+			compatible = "allwinner,sun50i-h6-dma";
+			reg = <0x03002000 0x1000>;
+			interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>;
+			clock-names = "bus", "mbus";
+			dma-channels = <16>;
+			dma-requests = <46>;
+			resets = <&ccu RST_BUS_DMA>;
+			#dma-cells = <1>;
+		};
+
 		sid: sid@...6000 {
 			compatible = "allwinner,sun50i-h6-sid";
 			reg = <0x03006000 0x400>;
-- 
2.20.1