arm64: dts: imx8qxp: add GPU nodes

Add the DT node for the GPU core found on the i.MX8QXP.

etnaviv-gpu 53100000.gpu: model: GC7000, revision: 6214
[drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 0
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8-ss-gpu0.dtsi

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ *	Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+gpu0_subsys: bus@53000000 {
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x53000000 0x0 0x53000000 0x1000000>;
+
+	gpu_3d0: gpu@53100000 {
+		compatible = "vivante,gc";
+		reg = <0x53100000 0x40000>;
+		interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&clk IMX_SC_R_GPU_0_PID0 IMX_SC_PM_CLK_PER>,
+			 <&clk IMX_SC_R_GPU_0_PID0 IMX_SC_PM_CLK_MISC>;
+		clock-names = "core", "shader";
+		assigned-clocks = <&clk IMX_SC_R_GPU_0_PID0 IMX_SC_PM_CLK_PER>,
+				  <&clk IMX_SC_R_GPU_0_PID0 IMX_SC_PM_CLK_MISC>;
+		assigned-clock-rates = <700000000>, <850000000>;
+		power-domains = <&pd IMX_SC_R_GPU_0_PID0>;
+	};
+};

arch/arm64/boot/dts/freescale/imx8qxp.dtsi

@@ -317,6 +317,7 @@ map0 {
 	/* sorted in register address */
 	#include "imx8-ss-img.dtsi"
 	#include "imx8-ss-vpu.dtsi"
+	#include "imx8-ss-gpu0.dtsi"
 	#include "imx8-ss-adma.dtsi"
 	#include "imx8-ss-conn.dtsi"
 	#include "imx8-ss-ddr.dtsi"