rockchip: dts: evb_rk3288: Add mipi display support

Add mipi dsi configuration for evb-rk3288 device tree.

Signed-off-by: Eric Gao <eric.gao@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/rk3288-evb.dtsi

@@ -85,6 +85,59 @@
 		regulator-always-on;
 		vin-supply = <&vcc_5v>;
 	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		power-supply = <&vcc_sys>;
+		enable-gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
+		brightness-levels = <
+			  0   1   2   3   4   5   6   7
+			  8   9  10  11  12  13  14  15
+			 16  17  18  19  20  21  22  23
+			 24  25  26  27  28  29  30  31
+			 32  33  34  35  36  37  38  39
+			 40  41  42  43  44  45  46  47
+			 48  49  50  51  52  53  54  55
+			 56  57  58  59  60  61  62  63
+			 64  65  66  67  68  69  70  71
+			 72  73  74  75  76  77  78  79
+			 80  81  82  83  84  85  86  87
+			 88  89  90  91  92  93  94  95
+			 96  97  98  99 100 101 102 103
+			104 105 106 107 108 109 110 111
+			112 113 114 115 116 117 118 119
+			120 121 122 123 124 125 126 127
+			128 129 130 131 132 133 134 135
+			136 137 138 139 140 141 142 143
+			144 145 146 147 148 149 150 151
+			152 153 154 155 156 157 158 159
+			160 161 162 163 164 165 166 167
+			168 169 170 171 172 173 174 175
+			176 177 178 179 180 181 182 183
+			184 185 186 187 188 189 190 191
+			192 193 194 195 196 197 198 199
+			200 201 202 203 204 205 206 207
+			208 209 210 211 212 213 214 215
+			216 217 218 219 220 221 222 223
+			224 225 226 227 228 229 230 231
+			232 233 234 235 236 237 238 239
+			240 241 242 243 244 245 246 247
+			248 249 250 251 252 253 254 255>;
+		default-brightness-level = <50>;
+		pwms = <&pwm0 0 25000 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm0_pin>;
+		pwm-delay-us = <10000>;
+		status = "disabled";
+	};
+
+	panel: panel {
+		compatible = "simple-panel";
+		power-supply = <&vcc_io>;
+		backlight = <&backlight>;
+		enable-gpios = <&gpio7 3 GPIO_ACTIVE_HIGH>;
+		status = "disabled";
+	};
 };
 
 &cpu0 {
@@ -318,6 +371,10 @@
 	};
 };
 
+&pwm0 {
+	status = "okay";
+};
+
 &saradc {
 	vref-supply = <&vcc_18>;
 	status = "okay";
@@ -396,6 +453,29 @@
 	status = "okay";
 };
 
+&mipi_dsi0 {
+	status = "disabled";
+	rockchip,panel = <&panel>;
+	display-timings {
+		timing0 {
+		bits-per-pixel = <24>;
+		clock-frequency = <160000000>;
+		hfront-porch = <120>;
+		hsync-len = <20>;
+		hback-porch = <21>;
+		hactive = <1200>;
+		vfront-porch = <21>;
+		vsync-len = <3>;
+		vback-porch = <18>;
+		vactive = <1920>;
+		hsync-active = <0>;
+		vsync-active = <0>;
+		de-active = <1>;
+		pixelclk-active = <0>;
+		};
+	};
+};
+
 &wdt {
 	status = "okay";
 };

arch/arm/dts/rk3288.dtsi

@@ -664,6 +664,7 @@
 	};
 
 	vopb: vop@ff930000 {
+		u-boot,dm-pre-reloc;
 		compatible = "rockchip,rk3288-vop";
 		reg = <0xff930000 0x19c>;
 		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
@@ -689,6 +690,11 @@
 				reg = <2>;
 				remote-endpoint = <&lvds_in_vopb>;
 			};
+			vopb_out_mipi: endpoint@3 {
+				reg = <3>;
+				remote-endpoint = <&mipi_in_vopb>;
+			};
+
 		};
 	};
 
@@ -729,6 +735,11 @@
 				reg = <2>;
 				remote-endpoint = <&lvds_in_vopl>;
 			};
+			vopl_out_mipi: endpoint@3 {
+				reg = <3>;
+				remote-endpoint = <&mipi_in_vopl>;
+			};
+
 		};
 	};
 
@@ -823,6 +834,36 @@
 		};
 	};
 
+	mipi_dsi0: mipi@ff960000 {
+		compatible = "rockchip,rk3288_mipi_dsi";
+		reg = <0xff960000 0x4000>;
+		clocks = <&cru PCLK_MIPI_DSI0>;
+		clock-names = "pclk_mipi";
+		/*pinctrl-names = "default";
+		pinctrl-0 = <&lcdc0_ctl>;*/
+		rockchip,grf = <&grf>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			mipi_in: port {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				mipi_in_vopb: endpoint@0 {
+					reg = <0>;
+					remote-endpoint = <&vopb_out_mipi>;
+				};
+				mipi_in_vopl: endpoint@1 {
+					reg = <1>;
+					remote-endpoint = <&vopl_out_mipi>;
+				};
+			};
+		};
+	};
+
 	hdmi_audio: hdmi_audio {
 		compatible = "rockchip,rk3288-hdmi-audio";
 		i2s-controller = <&i2s>;