arm64: dts: imx8mp: add GPU nodes

Add the DT nodes for both the 3D and 2D GPU cores found on the i.MX8MP.

etnaviv-gpu 38000000.gpu: model: GC7000, revision: 6204
etnaviv-gpu 38008000.gpu: model: GC520, revision: 5341
[drm] Initialized etnaviv 1.3.0 20151214 for etnaviv on minor 0
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Tested-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp.dtsi

@@ -933,6 +933,37 @@ eqos: ethernet@30bf0000 {
 			};
 		};
 
+		gpu3d: gpu@38000000 {
+			compatible = "vivante,gc";
+			reg = <0x38000000 0x8000>;
+			interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk IMX8MP_CLK_GPU3D_ROOT>,
+				 <&clk IMX8MP_CLK_GPU3D_SHADER_CORE>,
+				 <&clk IMX8MP_CLK_GPU_ROOT>,
+				 <&clk IMX8MP_CLK_GPU_AHB>;
+			clock-names = "core", "shader", "bus", "reg";
+			assigned-clocks = <&clk IMX8MP_CLK_GPU3D_CORE>,
+					  <&clk IMX8MP_CLK_GPU3D_SHADER_CORE>;
+			assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_800M>,
+						 <&clk IMX8MP_SYS_PLL1_800M>;
+			assigned-clock-rates = <800000000>, <800000000>;
+			power-domains = <&pgc_gpu3d>;
+		};
+
+		gpu2d: gpu@38008000 {
+			compatible = "vivante,gc";
+			reg = <0x38008000 0x8000>;
+			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk IMX8MP_CLK_GPU2D_ROOT>,
+				 <&clk IMX8MP_CLK_GPU_ROOT>,
+				 <&clk IMX8MP_CLK_GPU_AHB>;
+			clock-names = "core", "bus", "reg";
+			assigned-clocks = <&clk IMX8MP_CLK_GPU2D_CORE>;
+			assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_800M>;
+			assigned-clock-rates = <800000000>;
+			power-domains = <&pgc_gpu2d>;
+		};
+
 		gic: interrupt-controller@38800000 {
 			compatible = "arm,gic-v3";
 			reg = <0x38800000 0x10000>,