arm64: dts: rockchip: add isp1 node on rk3399

ISP1 is supplied by the tx1rx1 dphy, that is controlled from
inside the dsi1 controller, so include the necessary phy-link
for it.
Signed-off-by: NHeiko Stuebner <heiko.stuebner@theobroma-systems.com>
Tested-by: NSebastian Fricke <sebastian.fricke@posteo.net>
Acked-by: NHelen Koike <helen.koike@collabora.com>
Link: https://lore.kernel.org/r/20210210111020.2476369-7-heiko@sntech.deSigned-off-by: NHeiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399.dtsi

@@ -1762,6 +1762,32 @@
 		rockchip,disable-mmu-reset;
 	};
 
+	isp1: isp1@ff920000 {
+		compatible = "rockchip,rk3399-cif-isp";
+		reg = <0x0 0xff920000 0x0 0x4000>;
+		interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH 0>;
+		clocks = <&cru SCLK_ISP1>,
+			 <&cru ACLK_ISP1_WRAPPER>,
+			 <&cru HCLK_ISP1_WRAPPER>;
+		clock-names = "isp", "aclk", "hclk";
+		iommus = <&isp1_mmu>;
+		phys = <&mipi_dsi1>;
+		phy-names = "dphy";
+		power-domains = <&power RK3399_PD_ISP1>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+	};
+
 	isp1_mmu: iommu@ff924000 {
 		compatible = "rockchip,iommu";
 		reg = <0x0 0xff924000 0x0 0x100>, <0x0 0xff925000 0x0 0x100>;