ARM: dts: rockchip: add rk3188 lcd controller nodes

Add the core display subsystem and vop nodes to rk3188.
Vop0 has a fully dedicated set of pins and only vop1 needs to
do pinctrl to have display output, so also add the necessary
pinctrl entries for it.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by Sandy Huang <hjc@rock-chips.com>

arch/arm/boot/dts/rk3188.dtsi

@@ -56,6 +56,11 @@ cpu@3 {
 		};
 	};
 
+	display-subsystem {
+		compatible = "rockchip,display-subsystem";
+		ports = <&vop0_out>, <&vop1_out>;
+	};
+
 	sram: sram@10080000 {
 		compatible = "mmio-sram";
 		reg = <0x10080000 0x8000>;
@@ -69,6 +74,38 @@ smp-sram@0 {
 		};
 	};
 
+	vop0: vop@1010c000 {
+		compatible = "rockchip,rk3188-vop";
+		reg = <0x1010c000 0x1000>;
+		interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru ACLK_LCDC0>, <&cru DCLK_LCDC0>, <&cru HCLK_LCDC0>;
+		clock-names = "aclk_vop", "dclk_vop", "hclk_vop";
+		resets = <&cru SRST_LCDC0_AXI>, <&cru SRST_LCDC0_AHB>, <&cru SRST_LCDC0_DCLK>;
+		reset-names = "axi", "ahb", "dclk";
+		status = "disabled";
+
+		vop0_out: port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+
+	vop1: vop@1010e000 {
+		compatible = "rockchip,rk3188-vop";
+		reg = <0x1010e000 0x1000>;
+		interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru ACLK_LCDC1>, <&cru DCLK_LCDC1>, <&cru HCLK_LCDC1>;
+		clock-names = "aclk_vop", "dclk_vop", "hclk_vop";
+		resets = <&cru SRST_LCDC1_AXI>, <&cru SRST_LCDC1_AHB>, <&cru SRST_LCDC1_DCLK>;
+		reset-names = "axi", "ahb", "dclk";
+		status = "disabled";
+
+		vop1_out: port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+
 	timer3: timer@2000e000 {
 		compatible = "rockchip,rk3188-timer", "rockchip,rk3288-timer";
 		reg = <0x2000e000 0x20>;
@@ -309,6 +346,51 @@ i2c4_xfer: i2c4-xfer {
 			};
 		};
 
+		lcdc1 {
+			lcdc1_dclk: lcdc1-dclk {
+				rockchip,pins = <2 RK_PD0 RK_FUNC_1 &pcfg_pull_none>;
+			};
+
+			lcdc1_den: lcdc1-den {
+				rockchip,pins = <2 RK_PD1 RK_FUNC_1 &pcfg_pull_none>;
+			};
+
+			lcdc1_hsync: lcdc1-hsync {
+				rockchip,pins = <2 RK_PD2 RK_FUNC_1 &pcfg_pull_none>;
+			};
+
+			lcdc1_vsync: lcdc1-vsync {
+				rockchip,pins = <2 RK_PD3 RK_FUNC_1 &pcfg_pull_none>;
+			};
+
+			lcdc1_rgb24: ldcd1-rgb24 {
+				rockchip,pins = <2 RK_PA0 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PA1 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PA2 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PA3 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PA4 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PA5 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PA6 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PA7 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB0 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB1 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB2 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB3 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB4 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB5 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB6 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PB7 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC0 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC1 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC2 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC3 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC4 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC5 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC6 RK_FUNC_1 &pcfg_pull_none>,
+						<2 RK_PC7 RK_FUNC_1 &pcfg_pull_none>;
+			};
+		};
+
 		pwm0 {
 			pwm0_out: pwm0-out {
 				rockchip,pins = <RK_GPIO3 27 RK_FUNC_1 &pcfg_pull_none>;