linux-kernel - [PATCH v2 06/10] arm64: dts: actions: Add DMA Controller for S700

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Date:   Tue, 19 May 2020 23:49:24 +0530
From:   Amit Singh Tomar <amittomer25@...il.com>
To:     andre.przywara@....com, afaerber@...e.de, vkoul@...nel.org,
        manivannan.sadhasivam@...aro.org, robh+dt@...nel.org
Cc:     dan.j.williams@...el.com, cristian.ciocaltea@...il.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-actions@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH v2 06/10] arm64: dts: actions: Add DMA Controller for S700

This commit adds DAM controller present on Actions S700, it differs from
S900 in terms of number of dma channels and requests.

Signed-off-by: Amit Singh Tomar <amittomer25@...il.com>
---
Changes since v1:
        * No Change.
Changes since RFC:
        * No Change.
---
 arch/arm64/boot/dts/actions/s700.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/actions/s700.dtsi b/arch/arm64/boot/dts/actions/s700.dtsi
index 0397c5dd3dec..56f2f84812cb 100644
--- a/arch/arm64/boot/dts/actions/s700.dtsi
+++ b/arch/arm64/boot/dts/actions/s700.dtsi
@@ -245,5 +245,18 @@
 				     <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
 		};
+
+		dma: dma-controller@...30000 {
+			compatible = "actions,s700-dma";
+			reg = <0x0 0xe0230000 0x0 0x1000>;
+			interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
+			#dma-cells = <1>;
+			dma-channels = <10>;
+			dma-requests = <44>;
+			clocks = <&cmu CLK_DMAC>;
+		};
 	};
 };
-- 
2.7.4