arm: dts: mt7623: add Mali-450 device node

Add a node for Mali-450.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Link: https://lore.kernel.org/r/af7b5a2e00eb3a4b6262807c378e43afd5f74779.1563867856.git.ryder.lee@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm/boot/dts/mt7623.dtsi

@@ -3,6 +3,7 @@
  * Copyright (c) 2017-2018 MediaTek Inc.
  * Author: John Crispin <john@phrozen.org>
  *	   Sean Wang <sean.wang@mediatek.com>
+ *	   Ryder Lee <ryder.lee@mediatek.com>
  *
  */
 
@@ -733,6 +734,30 @@ g3dsys: syscon@13000000 {
 		#reset-cells = <1>;
 	};
 
+	mali: gpu@13040000 {
+		compatible = "mediatek,mt7623-mali", "arm,mali-450";
+		reg = <0 0x13040000 0 0x30000>;
+		interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 171 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 172 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 173 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 174 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 175 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 176 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 177 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 178 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 179 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 180 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "gp", "gpmmu", "pp0", "ppmmu0", "pp1",
+				  "ppmmu1", "pp2", "ppmmu2", "pp3", "ppmmu3",
+				  "pp";
+		clocks = <&topckgen CLK_TOP_MMPLL>,
+			 <&g3dsys CLK_G3DSYS_CORE>;
+		clock-names = "bus", "core";
+		power-domains = <&scpsys MT2701_POWER_DOMAIN_MFG>;
+		resets = <&g3dsys MT2701_G3DSYS_CORE_RST>;
+	};
+
 	mmsys: syscon@14000000 {
 		compatible = "mediatek,mt7623-mmsys",
 			     "mediatek,mt2701-mmsys",