1 /*
2 * LCD panel support for the TI OMAP H3 board
3 *
4 * Copyright (C) 2004 Nokia Corporation
5 * Author: Imre Deak <imre.deak@nokia.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22 #include <linux/module.h>
23 #include <linux/platform_device.h>
24 #include <linux/mfd/tps65010.h>
25 #include <linux/gpio.h>
26
27 #include "omapfb.h"
28
29 #define MODULE_NAME "omapfb-lcd_h3"
30
h3_panel_enable(struct lcd_panel * panel)31 static int h3_panel_enable(struct lcd_panel *panel)
32 {
33 int r = 0;
34
35 /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
36 r = tps65010_set_gpio_out_value(GPIO1, HIGH);
37 if (!r)
38 r = tps65010_set_gpio_out_value(GPIO2, HIGH);
39 if (r)
40 pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
41
42 return r;
43 }
44
h3_panel_disable(struct lcd_panel * panel)45 static void h3_panel_disable(struct lcd_panel *panel)
46 {
47 int r = 0;
48
49 /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
50 r = tps65010_set_gpio_out_value(GPIO1, LOW);
51 if (!r)
52 tps65010_set_gpio_out_value(GPIO2, LOW);
53 if (r)
54 pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
55 }
56
57 static struct lcd_panel h3_panel = {
58 .name = "h3",
59 .config = OMAP_LCDC_PANEL_TFT,
60
61 .data_lines = 16,
62 .bpp = 16,
63 .x_res = 240,
64 .y_res = 320,
65 .pixel_clock = 12000,
66 .hsw = 12,
67 .hfp = 14,
68 .hbp = 72 - 12,
69 .vsw = 1,
70 .vfp = 1,
71 .vbp = 0,
72 .pcd = 0,
73
74 .enable = h3_panel_enable,
75 .disable = h3_panel_disable,
76 };
77
h3_panel_probe(struct platform_device * pdev)78 static int h3_panel_probe(struct platform_device *pdev)
79 {
80 omapfb_register_panel(&h3_panel);
81 return 0;
82 }
83
84 static struct platform_driver h3_panel_driver = {
85 .probe = h3_panel_probe,
86 .driver = {
87 .name = "lcd_h3",
88 },
89 };
90
91 module_platform_driver(h3_panel_driver);
92
93 MODULE_AUTHOR("Imre Deak");
94 MODULE_DESCRIPTION("LCD panel support for the TI OMAP H3 board");
95 MODULE_LICENSE("GPL");
96
