1/* 2 * LCD panel support for the TI OMAP3 Beagle board 3 * 4 * Author: Koen Kooi <koen@openembedded.org> 5 * 6 * Derived from drivers/video/omap/lcd-omap3evm.c 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License along 19 * with this program; if not, write to the Free Software Foundation, Inc., 20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21 */ 22 23#include <linux/module.h> 24#include <linux/platform_device.h> 25#include <linux/gpio.h> 26#include <linux/i2c/twl.h> 27 28#include <plat/mux.h> 29#include <plat/mux.h> 30#include <asm/mach-types.h> 31 32#include "omapfb.h" 33 34#define LCD_PANEL_ENABLE_GPIO 170 35 36static int omap3beagle_panel_init(struct lcd_panel *panel, 37 struct omapfb_device *fbdev) 38{ 39 gpio_request(LCD_PANEL_ENABLE_GPIO, "LCD enable"); 40 return 0; 41} 42 43static void omap3beagle_panel_cleanup(struct lcd_panel *panel) 44{ 45 gpio_free(LCD_PANEL_ENABLE_GPIO); 46} 47 48static int omap3beagle_panel_enable(struct lcd_panel *panel) 49{ 50 gpio_set_value(LCD_PANEL_ENABLE_GPIO, 1); 51 return 0; 52} 53 54static void omap3beagle_panel_disable(struct lcd_panel *panel) 55{ 56 gpio_set_value(LCD_PANEL_ENABLE_GPIO, 0); 57} 58 59static unsigned long omap3beagle_panel_get_caps(struct lcd_panel *panel) 60{ 61 return 0; 62} 63 64struct lcd_panel omap3beagle_panel = { 65 .name = "omap3beagle", 66 .config = OMAP_LCDC_PANEL_TFT, 67 68 .bpp = 16, 69 .data_lines = 24, 70 .x_res = 1024, 71 .y_res = 768, 72 .hsw = 3, /* hsync_len (4) - 1 */ 73 .hfp = 3, /* right_margin (4) - 1 */ 74 .hbp = 39, /* left_margin (40) - 1 */ 75 .vsw = 1, /* vsync_len (2) - 1 */ 76 .vfp = 2, /* lower_margin */ 77 .vbp = 7, /* upper_margin (8) - 1 */ 78 79 .pixel_clock = 64000, 80 81 .init = omap3beagle_panel_init, 82 .cleanup = omap3beagle_panel_cleanup, 83 .enable = omap3beagle_panel_enable, 84 .disable = omap3beagle_panel_disable, 85 .get_caps = omap3beagle_panel_get_caps, 86}; 87 88static int omap3beagle_panel_probe(struct platform_device *pdev) 89{ 90 omapfb_register_panel(&omap3beagle_panel); 91 return 0; 92} 93 94static int omap3beagle_panel_remove(struct platform_device *pdev) 95{ 96 return 0; 97} 98 99static int omap3beagle_panel_suspend(struct platform_device *pdev, 100 pm_message_t mesg) 101{ 102 return 0; 103} 104 105static int omap3beagle_panel_resume(struct platform_device *pdev) 106{ 107 return 0; 108} 109 110struct platform_driver omap3beagle_panel_driver = { 111 .probe = omap3beagle_panel_probe, 112 .remove = omap3beagle_panel_remove, 113 .suspend = omap3beagle_panel_suspend, 114 .resume = omap3beagle_panel_resume, 115 .driver = { 116 .name = "omap3beagle_lcd", 117 .owner = THIS_MODULE, 118 }, 119}; 120 121static int __init omap3beagle_panel_drv_init(void) 122{ 123 return platform_driver_register(&omap3beagle_panel_driver); 124} 125 126static void __exit omap3beagle_panel_drv_exit(void) 127{ 128 platform_driver_unregister(&omap3beagle_panel_driver); 129} 130 131module_init(omap3beagle_panel_drv_init); 132module_exit(omap3beagle_panel_drv_exit); 133