1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * am335x-sbc-t335.dts - Device Tree file for Compulab SBC-T335
4 *
5 * Copyright (C) 2014 - 2015 CompuLab Ltd. - https://www.compulab.co.il/
6 */
7
8 #include "am335x-cm-t335.dts"
9
10 / {
11 model = "CompuLab CM-T335 on SB-T335";
12 compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";
13
14 /* DRM display driver */
15 panel {
16 compatible = "ti,tilcdc,panel";
17 status = "okay";
18 pinctrl-names = "default", "sleep";
19 pinctrl-0 = <&lcd_pins_default>;
20 pinctrl-1 = <&lcd_pins_sleep>;
21
22 panel-info {
23 ac-bias = <255>;
24 ac-bias-intrpt = <0>;
25 dma-burst-sz = <16>;
26 bpp = <32>;
27 fdd = <0x80>;
28 sync-edge = <0>;
29 sync-ctrl = <1>;
30 raster-order = <0>;
31 fifo-th = <0>;
32 };
33 display-timings {
34 /* Timing selection performed by U-Boot */
35 timing0: lcd {/* 800x480p62 */
36 clock-frequency = <30000000>;
37 hactive = <800>;
38 vactive = <480>;
39 hfront-porch = <39>;
40 hback-porch = <39>;
41 hsync-len = <47>;
42 vback-porch = <29>;
43 vfront-porch = <13>;
44 vsync-len = <2>;
45 hsync-active = <1>;
46 vsync-active = <1>;
47 };
48 timing1: dvi { /* 1024x768p60 */
49 clock-frequency = <65000000>;
50 hactive = <1024>;
51 hfront-porch = <24>;
52 hback-porch = <160>;
53 hsync-len = <136>;
54 vactive = <768>;
55 vfront-porch = <3>;
56 vback-porch = <29>;
57 vsync-len = <6>;
58 hsync-active = <0>;
59 vsync-active = <0>;
60 };
61 };
62 };
63 };
64
65 &am33xx_pinmux {
66 /* Display */
67 lcd_pins_default: lcd-default-pins {
68 pinctrl-single,pins = <
69 /* gpmc_ad8.lcd_data23 */
70 AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_OUTPUT, MUX_MODE1)
71 /* gpmc_ad9.lcd_data22 */
72 AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_OUTPUT, MUX_MODE1)
73 /* gpmc_ad10.lcd_data21 */
74 AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT, MUX_MODE1)
75 /* gpmc_ad11.lcd_data20 */
76 AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_OUTPUT, MUX_MODE1)
77 /* gpmc_ad12.lcd_data19 */
78 AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE1)
79 /* gpmc_ad13.lcd_data18 */
80 AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE1)
81 /* gpmc_ad14.lcd_data17 */
82 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE1)
83 /* gpmc_ad15.lcd_data16 */
84 AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE1)
85 AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT, MUX_MODE0)
86 AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT, MUX_MODE0)
87 AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT, MUX_MODE0)
88 AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT, MUX_MODE0)
89 AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT, MUX_MODE0)
90 AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT, MUX_MODE0)
91 AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT, MUX_MODE0)
92 AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT, MUX_MODE0)
93 AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE0)
94 AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT, MUX_MODE0)
95 AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT, MUX_MODE0)
96 AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE0)
97 AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT, MUX_MODE0)
98 AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE0)
99 AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT, MUX_MODE0)
100 AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT, MUX_MODE0)
101 AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT, MUX_MODE0)
102 AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT, MUX_MODE0)
103 AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT, MUX_MODE0)
104 AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_OUTPUT, MUX_MODE0)
105 >;
106 };
107
108 lcd_pins_sleep: lcd-sleep-pins {
109 pinctrl-single,pins = <
110 /* gpmc_ad8.lcd_data23 */
111 AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT_PULLDOWN, MUX_MODE7)
112 /* gpmc_ad9.lcd_data22 */
113 AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLDOWN, MUX_MODE7)
114 /* gpmc_ad10.lcd_data21 */
115 AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLDOWN, MUX_MODE7)
116 /* gpmc_ad11.lcd_data20 */
117 AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLDOWN, MUX_MODE7)
118 /* gpmc_ad12.lcd_data19 */
119 AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLDOWN, MUX_MODE7)
120 /* gpmc_ad13.lcd_data18 */
121 AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLDOWN, MUX_MODE7)
122 /* gpmc_ad14.lcd_data17 */
123 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7)
124 /* gpmc_ad15.lcd_data16 */
125 AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLDOWN, MUX_MODE7)
126 AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PULL_DISABLE, MUX_MODE7)
127 AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PULL_DISABLE, MUX_MODE7)
128 AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PULL_DISABLE, MUX_MODE7)
129 AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PULL_DISABLE, MUX_MODE7)
130 AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PULL_DISABLE, MUX_MODE7)
131 AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PULL_DISABLE, MUX_MODE7)
132 AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PULL_DISABLE, MUX_MODE7)
133 AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PULL_DISABLE, MUX_MODE7)
134 AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PULL_DISABLE, MUX_MODE7)
135 AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PULL_DISABLE, MUX_MODE7)
136 AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PULL_DISABLE, MUX_MODE7)
137 AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PULL_DISABLE, MUX_MODE7)
138 AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PULL_DISABLE, MUX_MODE7)
139 AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PULL_DISABLE, MUX_MODE7)
140 AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PULL_DISABLE, MUX_MODE7)
141 AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PULL_DISABLE, MUX_MODE7)
142 AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
143 AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)
144 AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
145 AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
146 >;
147 };
148 };
149
150 &i2c0 {
151 /* GPIO extender */
152 gpio_ext: pca9555@26 {
153 compatible = "nxp,pca9555";
154 pinctrl-names = "default";
155 gpio-controller;
156 #gpio-cells = <2>;
157 reg = <0x26>;
158 dvi-ena-hog {
159 gpio-hog;
160 gpios = <13 GPIO_ACTIVE_HIGH>;
161 output-high;
162 line-name = "dvi-enable";
163 };
164 lcd-ena-hog {
165 gpio-hog;
166 gpios = <11 GPIO_ACTIVE_HIGH>;
167 output-high;
168 line-name = "lcd-enable";
169 };
170 };
171 };
172
173 /* Display */
174 &lcdc {
175 status = "okay";
176 };
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