linux-kernel - [PATCH 1/3] arm64: dts: zynqmp: Add DPDMA node

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Message-Id: <3d11015512a085592f2aca76eeddc04178d38bbe.1611232558.git.michal.simek@xilinx.com>
Date:   Thu, 21 Jan 2021 13:36:05 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kalyani Akula <kalyani.akula@...inx.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/3] arm64: dts: zynqmp: Add DPDMA node

From: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Add a DT node for the DisplayPort DMA engine (DPDMA).

Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Acked-by: Michal Simek <michal.simek@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

Changed node possition.
---
 arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi |  4 ++++
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi         | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index 3ca7e4ee51b5..c676afc95f6d 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -227,3 +227,7 @@ &watchdog0 {
 &lpd_watchdog {
 	clocks = <&zynqmp_clk LPD_WDT>;
 };
+
+&zynqmp_dpdma {
+	clocks = <&zynqmp_clk DPDMA_REF>;
+};
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 66d53521ec58..f12cd24adbee 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -847,5 +847,15 @@ lpd_watchdog: watchdog@...50000 {
 			reg = <0x0 0xff150000 0x0 0x1000>;
 			timeout-sec = <10>;
 		};
+
+		zynqmp_dpdma: dma-controller@...c0000 {
+			compatible = "xlnx,zynqmp-dpdma";
+			status = "disabled";
+			reg = <0x0 0xfd4c0000 0x0 0x1000>;
+			interrupts = <0 122 4>;
+			interrupt-parent = <&gic>;
+			clock-names = "axi_clk";
+			#dma-cells = <1>;
+		};
 	};
 };
-- 
2.30.0