arm64: dts: rockchip: Add RGA2 support to rk356x

The rk3568 also features a RGA2 block. Add the necessary device tree
node.
Acked-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Link: https://lore.kernel.org/r/20230119-rk3568-rga-v1-2-43d4d14365e6@pengutronix.deSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk356x.dtsi

@@ -613,6 +613,17 @@ vdpu_mmu: iommu@fdea0800 {
 		#iommu-cells = <0>;
 	};
 
+	rga: rga@fdeb0000 {
+		compatible = "rockchip,rk3568-rga", "rockchip,rk3288-rga";
+		reg = <0x0 0xfdeb0000 0x0 0x180>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru CLK_RGA_CORE>;
+		clock-names = "aclk", "hclk", "sclk";
+		resets = <&cru SRST_RGA_CORE>, <&cru SRST_A_RGA>, <&cru SRST_H_RGA>;
+		reset-names = "core", "axi", "ahb";
+		power-domains = <&power RK3568_PD_RGA>;
+	};
+
 	vepu: video-codec@fdee0000 {
 		compatible = "rockchip,rk3568-vepu";
 		reg = <0x0 0xfdee0000 0x0 0x800>;