1 /*
2  * Copyright 2017 Lothar Waßmann <LW@KARO-electronics.de>
3  *
4  * This file is dual-licensed: you can use it either under the terms
5  * of the GPL or the X11 license, at your option. Note that this dual
6  * licensing only applies to this file, and not this project as a
7  * whole.
8  *
9  *  a) This file is free software; you can redistribute it and/or
10  *     modify it under the terms of the GNU General Public License
11  *     version 2 as published by the Free Software Foundation.
12  *
13  *     This file is distributed in the hope that it will be useful,
14  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *     GNU General Public License for more details.
17  *
18  * Or, alternatively,
19  *
20  *  b) Permission is hereby granted, free of charge, to any person
21  *     obtaining a copy of this software and associated documentation
22  *     files (the "Software"), to deal in the Software without
23  *     restriction, including without limitation the rights to use,
24  *     copy, modify, merge, publish, distribute, sublicense, and/or
25  *     sell copies of the Software, and to permit persons to whom the
26  *     Software is furnished to do so, subject to the following
27  *     conditions:
28  *
29  *     The above copyright notice and this permission notice shall be
30  *     included in all copies or substantial portions of the Software.
31  *
32  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
34  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
35  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
36  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
37  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
38  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
39  *     OTHER DEALINGS IN THE SOFTWARE.
40  */
41 
42 / {
43 	aliases {
44 		display = &display;
45 	};
46 
47 	backlight: backlight {
48 		compatible = "pwm-backlight";
49 		pwms = <&pwm2 0 500000 PWM_POLARITY_INVERTED>;
50 		pinctrl-names = "default";
51 		pinctrl-0 = <&pinctrl_lcd1_pwr>;
52 		enable-gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;
53 		power-supply = <&reg_3v3>;
54 		turn-on-delay-ms = <35>;
55 		/*
56 		 * a poor man's way to create a 1:1 relationship between
57 		 * the PWM value and the actual duty cycle
58 		 */
59 		brightness-levels = < 0  1  2  3  4  5  6  7  8  9
60 				     10 11 12 13 14 15 16 17 18 19
61 				     20 21 22 23 24 25 26 27 28 29
62 				     30 31 32 33 34 35 36 37 38 39
63 				     40 41 42 43 44 45 46 47 48 49
64 				     50 51 52 53 54 55 56 57 58 59
65 				     60 61 62 63 64 65 66 67 68 69
66 				     70 71 72 73 74 75 76 77 78 79
67 				     80 81 82 83 84 85 86 87 88 89
68 				     90 91 92 93 94 95 96 97 98 99
69 				    100>;
70 		default-brightness-level = <50>;
71 	};
72 
73 	lcd_panel: lcd-panel {
74 		compatible = "edt,etm0700g0dh6";
75 		pinctrl-names = "default";
76 		pinctrl-0 = <&pinctrl_lcd0_pwr>;
77 		enable-gpios = <&gpio3 29 GPIO_ACTIVE_HIGH>;
78 		power-supply = <&reg_3v3>;
79 		backlight = <&backlight>;
80 
81 		port {
82 			lcd_panel_in: endpoint {
83 				remote-endpoint = <&lcd_out>;
84 			};
85 		};
86 	};
87 
88 	display: disp0 {
89 		compatible = "fsl,imx-parallel-display";
90 		#address-cells = <1>;
91 		#size-cells = <0>;
92 		pinctrl-names = "default";
93 		pinctrl-0 = <&pinctrl_disp0_1>;
94 		status = "okay";
95 
96 		port@0 {
97 			reg = <0>;
98 
99 			lcd_in: endpoint {
100 				remote-endpoint = <&ipu1_di0_disp0>;
101 			};
102 		};
103 
104 		port@1 {
105 			reg = <1>;
106 
107 			lcd_out: endpoint {
108 				remote-endpoint = <&lcd_panel_in>;
109 			};
110 		};
111 
112 		display-timings {
113 			timing-vga {
114 				clock-frequency = <25200000>;
115 				hactive = <640>;
116 				vactive = <480>;
117 				hback-porch = <48>;
118 				hsync-len = <96>;
119 				hfront-porch = <16>;
120 				vback-porch = <31>;
121 				vsync-len = <2>;
122 				vfront-porch = <12>;
123 				hsync-active = <0>;
124 				vsync-active = <0>;
125 				de-active = <1>;
126 				pixelclk-active = <0>;
127 			};
128 
129 			timing-etv570 {
130 				clock-frequency = <25200000>;
131 				hactive = <640>;
132 				vactive = <480>;
133 				hback-porch = <114>;
134 				hsync-len = <30>;
135 				hfront-porch = <16>;
136 				vback-porch = <32>;
137 				vsync-len = <3>;
138 				vfront-porch = <10>;
139 				hsync-active = <0>;
140 				vsync-active = <0>;
141 				de-active = <1>;
142 				pixelclk-active = <0>;
143 			};
144 
145 			timing-et0350 {
146 				clock-frequency = <6413760>;
147 				hactive = <320>;
148 				vactive = <240>;
149 				hback-porch = <34>;
150 				hsync-len = <34>;
151 				hfront-porch = <20>;
152 				vback-porch = <15>;
153 				vsync-len = <3>;
154 				vfront-porch = <4>;
155 				hsync-active = <0>;
156 				vsync-active = <0>;
157 				de-active = <1>;
158 				pixelclk-active = <0>;
159 			};
160 
161 			timing-et0430 {
162 				clock-frequency = <9009000>;
163 				hactive = <480>;
164 				vactive = <272>;
165 				hback-porch = <2>;
166 				hsync-len = <41>;
167 				hfront-porch = <2>;
168 				vback-porch = <2>;
169 				vsync-len = <10>;
170 				vfront-porch = <2>;
171 				hsync-active = <0>;
172 				vsync-active = <0>;
173 				de-active = <1>;
174 				pixelclk-active = <1>;
175 			};
176 
177 			timing-et0500 {
178 				clock-frequency = <33264000>;
179 				hactive = <800>;
180 				vactive = <480>;
181 				hback-porch = <88>;
182 				hsync-len = <128>;
183 				hfront-porch = <40>;
184 				vback-porch = <33>;
185 				vsync-len = <2>;
186 				vfront-porch = <10>;
187 				hsync-active = <0>;
188 				vsync-active = <0>;
189 				de-active = <1>;
190 				pixelclk-active = <0>;
191 			};
192 
193 			timing-et0700 { /* same as ET0500 */
194 				clock-frequency = <33264000>;
195 				hactive = <800>;
196 				vactive = <480>;
197 				hback-porch = <88>;
198 				hsync-len = <128>;
199 				hfront-porch = <40>;
200 				vback-porch = <33>;
201 				vsync-len = <2>;
202 				vfront-porch = <10>;
203 				hsync-active = <0>;
204 				vsync-active = <0>;
205 				de-active = <1>;
206 				pixelclk-active = <0>;
207 			};
208 
209 			timing-etq570 {
210 				clock-frequency = <6596040>;
211 				hactive = <320>;
212 				vactive = <240>;
213 				hback-porch = <38>;
214 				hsync-len = <30>;
215 				hfront-porch = <30>;
216 				vback-porch = <16>;
217 				vsync-len = <3>;
218 				vfront-porch = <4>;
219 				hsync-active = <0>;
220 				vsync-active = <0>;
221 				de-active = <1>;
222 				pixelclk-active = <0>;
223 			};
224 
225 			timing-comtft { /* same as ET0700 but with inverted pixel clock */
226 				clock-frequency = <33264000>;
227 				hactive = <800>;
228 				vactive = <480>;
229 				hback-porch = <88>;
230 				hsync-len = <128>;
231 				hfront-porch = <40>;
232 				vback-porch = <33>;
233 				vsync-len = <2>;
234 				vfront-porch = <10>;
235 				hsync-active = <0>;
236 				vsync-active = <0>;
237 				de-active = <1>;
238 				pixelclk-active = <1>;
239 			};
240 		};
241 	};
242 };
243 
244 &ipu1_di0_disp0 {
245 	remote-endpoint = <&lcd_in>;
246 };
247