1 /* 2 * Copyright (C) 2012 Freescale Semiconductor, Inc. 3 * Fabio Estevam <fabio.estevam@freescale.com> 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #include <common.h> 25 #include <linux/list.h> 26 #include <asm/gpio.h> 27 #include <asm/arch/iomux.h> 28 #include <linux/fb.h> 29 #include <ipu_pixfmt.h> 30 31 #define MX53LOCO_LCD_POWER IMX_GPIO_NR(3, 24) 32 33 static struct fb_videomode const claa_wvga = { 34 .name = "CLAA07LC0ACW", 35 .refresh = 57, 36 .xres = 800, 37 .yres = 480, 38 .pixclock = 37037, 39 .left_margin = 40, 40 .right_margin = 60, 41 .upper_margin = 10, 42 .lower_margin = 10, 43 .hsync_len = 20, 44 .vsync_len = 10, 45 .sync = 0, 46 .vmode = FB_VMODE_NONINTERLACED 47 }; 48 49 static struct fb_videomode const seiko_wvga = { 50 .name = "Seiko-43WVF1G", 51 .refresh = 60, 52 .xres = 800, 53 .yres = 480, 54 .pixclock = 29851, /* picosecond (33.5 MHz) */ 55 .left_margin = 89, 56 .right_margin = 164, 57 .upper_margin = 23, 58 .lower_margin = 10, 59 .hsync_len = 10, 60 .vsync_len = 10, 61 .sync = 0, 62 }; 63 64 void setup_iomux_lcd(void) 65 { 66 mxc_request_iomux(MX53_PIN_DI0_DISP_CLK, IOMUX_CONFIG_ALT0); 67 mxc_request_iomux(MX53_PIN_DI0_PIN15, IOMUX_CONFIG_ALT0); 68 mxc_request_iomux(MX53_PIN_DI0_PIN2, IOMUX_CONFIG_ALT0); 69 mxc_request_iomux(MX53_PIN_DI0_PIN3, IOMUX_CONFIG_ALT0); 70 mxc_request_iomux(MX53_PIN_DISP0_DAT0, IOMUX_CONFIG_ALT0); 71 mxc_request_iomux(MX53_PIN_DISP0_DAT1, IOMUX_CONFIG_ALT0); 72 mxc_request_iomux(MX53_PIN_DISP0_DAT2, IOMUX_CONFIG_ALT0); 73 mxc_request_iomux(MX53_PIN_DISP0_DAT3, IOMUX_CONFIG_ALT0); 74 mxc_request_iomux(MX53_PIN_DISP0_DAT4, IOMUX_CONFIG_ALT0); 75 mxc_request_iomux(MX53_PIN_DISP0_DAT5, IOMUX_CONFIG_ALT0); 76 mxc_request_iomux(MX53_PIN_DISP0_DAT6, IOMUX_CONFIG_ALT0); 77 mxc_request_iomux(MX53_PIN_DISP0_DAT7, IOMUX_CONFIG_ALT0); 78 mxc_request_iomux(MX53_PIN_DISP0_DAT8, IOMUX_CONFIG_ALT0); 79 mxc_request_iomux(MX53_PIN_DISP0_DAT9, IOMUX_CONFIG_ALT0); 80 mxc_request_iomux(MX53_PIN_DISP0_DAT10, IOMUX_CONFIG_ALT0); 81 mxc_request_iomux(MX53_PIN_DISP0_DAT11, IOMUX_CONFIG_ALT0); 82 mxc_request_iomux(MX53_PIN_DISP0_DAT12, IOMUX_CONFIG_ALT0); 83 mxc_request_iomux(MX53_PIN_DISP0_DAT13, IOMUX_CONFIG_ALT0); 84 mxc_request_iomux(MX53_PIN_DISP0_DAT14, IOMUX_CONFIG_ALT0); 85 mxc_request_iomux(MX53_PIN_DISP0_DAT15, IOMUX_CONFIG_ALT0); 86 mxc_request_iomux(MX53_PIN_DISP0_DAT16, IOMUX_CONFIG_ALT0); 87 mxc_request_iomux(MX53_PIN_DISP0_DAT17, IOMUX_CONFIG_ALT0); 88 mxc_request_iomux(MX53_PIN_DISP0_DAT18, IOMUX_CONFIG_ALT0); 89 mxc_request_iomux(MX53_PIN_DISP0_DAT19, IOMUX_CONFIG_ALT0); 90 mxc_request_iomux(MX53_PIN_DISP0_DAT20, IOMUX_CONFIG_ALT0); 91 mxc_request_iomux(MX53_PIN_DISP0_DAT21, IOMUX_CONFIG_ALT0); 92 mxc_request_iomux(MX53_PIN_DISP0_DAT22, IOMUX_CONFIG_ALT0); 93 mxc_request_iomux(MX53_PIN_DISP0_DAT23, IOMUX_CONFIG_ALT0); 94 95 /* Turn on GPIO backlight */ 96 mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT1); 97 gpio_direction_output(MX53LOCO_LCD_POWER, 1); 98 99 /* Turn on display contrast */ 100 mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1); 101 gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), 1); 102 } 103 104 int board_video_skip(void) 105 { 106 int ret; 107 char const *e = getenv("panel"); 108 109 if (e) { 110 if (strcmp(e, "seiko") == 0) { 111 ret = ipuv3_fb_init(&seiko_wvga, 0, IPU_PIX_FMT_RGB24); 112 if (ret) 113 printf("Seiko cannot be configured: %d\n", ret); 114 return ret; 115 } 116 } 117 118 /* 119 * 'panel' env variable not found or has different value than 'seiko' 120 * Defaulting to claa lcd. 121 */ 122 ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565); 123 if (ret) 124 printf("CLAA cannot be configured: %d\n", ret); 125 return ret; 126 } 127