2 * LCD panel support for the TI OMAP H3 board
4 * Copyright (C) 2004 Nokia Corporation
5 * Author: Imre Deak <imre.deak@nokia.com>
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.
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.
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.
22 #include <linux/module.h>
23 #include <linux/platform_device.h>
24 #include <linux/mfd/tps65010.h>
25 #include <linux/gpio.h>
29 #define MODULE_NAME "omapfb-lcd_h3"
31 static int h3_panel_enable(struct lcd_panel *panel)
35 /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
36 r = tps65010_set_gpio_out_value(GPIO1, HIGH);
38 r = tps65010_set_gpio_out_value(GPIO2, HIGH);
40 pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
45 static void h3_panel_disable(struct lcd_panel *panel)
49 /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
50 r = tps65010_set_gpio_out_value(GPIO1, LOW);
52 tps65010_set_gpio_out_value(GPIO2, LOW);
54 pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
57 static struct lcd_panel h3_panel = {
59 .config = OMAP_LCDC_PANEL_TFT,
74 .enable = h3_panel_enable,
75 .disable = h3_panel_disable,
78 static int h3_panel_probe(struct platform_device *pdev)
80 omapfb_register_panel(&h3_panel);
84 static struct platform_driver h3_panel_driver = {
85 .probe = h3_panel_probe,
91 module_platform_driver(h3_panel_driver);