blob: fd0ac997fb8cd963137ef56fb8a46142d926668e [file] [log] [blame]
Imre Deak65316c92007-07-17 04:06:04 -07001/*
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>
Wolfram Sang97870762017-08-14 18:34:23 +020024#include <linux/mfd/tps65010.h>
Bjorn Helgaas288e6ea2016-02-02 13:53:23 -060025#include <linux/gpio.h>
Imre Deak65316c92007-07-17 04:06:04 -070026
Tomi Valkeinen91773a02009-08-03 15:06:36 +030027#include "omapfb.h"
Imre Deak65316c92007-07-17 04:06:04 -070028
29#define MODULE_NAME "omapfb-lcd_h3"
30
Imre Deak65316c92007-07-17 04:06:04 -070031static 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)
Emil Medve1f7c8232007-10-16 23:29:48 -070040 pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
Imre Deak65316c92007-07-17 04:06:04 -070041
42 return r;
43}
44
45static 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)
Emil Medve1f7c8232007-10-16 23:29:48 -070054 pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
Imre Deak65316c92007-07-17 04:06:04 -070055}
56
Lars-Peter Clausenb2c1e8a2017-01-30 17:39:49 +010057static struct lcd_panel h3_panel = {
Imre Deak65316c92007-07-17 04:06:04 -070058 .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
Imre Deak65316c92007-07-17 04:06:04 -070074 .enable = h3_panel_enable,
75 .disable = h3_panel_disable,
Imre Deak65316c92007-07-17 04:06:04 -070076};
77
78static int h3_panel_probe(struct platform_device *pdev)
79{
80 omapfb_register_panel(&h3_panel);
81 return 0;
82}
83
Axel Linf9905442011-12-09 09:37:57 +080084static struct platform_driver h3_panel_driver = {
Imre Deak65316c92007-07-17 04:06:04 -070085 .probe = h3_panel_probe,
Imre Deak65316c92007-07-17 04:06:04 -070086 .driver = {
87 .name = "lcd_h3",
Imre Deak65316c92007-07-17 04:06:04 -070088 },
89};
90
Axel Linf806f9b2011-12-09 09:59:56 +080091module_platform_driver(h3_panel_driver);
Arnd Bergmann1bde9f22018-06-08 18:08:12 +020092
93MODULE_AUTHOR("Imre Deak");
94MODULE_DESCRIPTION("LCD panel support for the TI OMAP H3 board");
95MODULE_LICENSE("GPL");