arm64: dts: rockchip: Add PX30 DSI DPHY

Add the PHY which outputs MIPI DSI and LVDS.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20191224143900.23567-11-miquel.raynal@bootlin.com
[added dsi power-domain, following vendor-kernel]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/px30.dtsi

@@ -820,6 +820,18 @@ u2phy_otg: otg-port {
 		};
 	};
 
+	dsi_dphy: phy@ff2e0000 {
+		compatible = "rockchip,px30-dsi-dphy";
+		reg = <0x0 0xff2e0000 0x0 0x10000>;
+		clocks = <&pmucru SCLK_MIPIDSIPHY_REF>, <&cru PCLK_MIPIDSIPHY>;
+		clock-names = "ref", "pclk";
+		resets = <&cru SRST_MIPIDSIPHY_P>;
+		reset-names = "apb";
+		#phy-cells = <0>;
+		power-domains = <&power PX30_PD_VO>;
+		status = "disabled";
+	};
+
 	usb20_otg: usb@ff300000 {
 		compatible = "rockchip,px30-usb", "rockchip,rk3066-usb",
 			     "snps,dwc2";