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 void setup_iomux_lcd(void) 50 { 51 mxc_request_iomux(MX53_PIN_DI0_DISP_CLK, IOMUX_CONFIG_ALT0); 52 mxc_request_iomux(MX53_PIN_DI0_PIN15, IOMUX_CONFIG_ALT0); 53 mxc_request_iomux(MX53_PIN_DI0_PIN2, IOMUX_CONFIG_ALT0); 54 mxc_request_iomux(MX53_PIN_DI0_PIN3, IOMUX_CONFIG_ALT0); 55 mxc_request_iomux(MX53_PIN_DISP0_DAT0, IOMUX_CONFIG_ALT0); 56 mxc_request_iomux(MX53_PIN_DISP0_DAT1, IOMUX_CONFIG_ALT0); 57 mxc_request_iomux(MX53_PIN_DISP0_DAT2, IOMUX_CONFIG_ALT0); 58 mxc_request_iomux(MX53_PIN_DISP0_DAT3, IOMUX_CONFIG_ALT0); 59 mxc_request_iomux(MX53_PIN_DISP0_DAT4, IOMUX_CONFIG_ALT0); 60 mxc_request_iomux(MX53_PIN_DISP0_DAT5, IOMUX_CONFIG_ALT0); 61 mxc_request_iomux(MX53_PIN_DISP0_DAT6, IOMUX_CONFIG_ALT0); 62 mxc_request_iomux(MX53_PIN_DISP0_DAT7, IOMUX_CONFIG_ALT0); 63 mxc_request_iomux(MX53_PIN_DISP0_DAT8, IOMUX_CONFIG_ALT0); 64 mxc_request_iomux(MX53_PIN_DISP0_DAT9, IOMUX_CONFIG_ALT0); 65 mxc_request_iomux(MX53_PIN_DISP0_DAT10, IOMUX_CONFIG_ALT0); 66 mxc_request_iomux(MX53_PIN_DISP0_DAT11, IOMUX_CONFIG_ALT0); 67 mxc_request_iomux(MX53_PIN_DISP0_DAT12, IOMUX_CONFIG_ALT0); 68 mxc_request_iomux(MX53_PIN_DISP0_DAT13, IOMUX_CONFIG_ALT0); 69 mxc_request_iomux(MX53_PIN_DISP0_DAT14, IOMUX_CONFIG_ALT0); 70 mxc_request_iomux(MX53_PIN_DISP0_DAT15, IOMUX_CONFIG_ALT0); 71 mxc_request_iomux(MX53_PIN_DISP0_DAT16, IOMUX_CONFIG_ALT0); 72 mxc_request_iomux(MX53_PIN_DISP0_DAT17, IOMUX_CONFIG_ALT0); 73 mxc_request_iomux(MX53_PIN_DISP0_DAT18, IOMUX_CONFIG_ALT0); 74 mxc_request_iomux(MX53_PIN_DISP0_DAT19, IOMUX_CONFIG_ALT0); 75 mxc_request_iomux(MX53_PIN_DISP0_DAT20, IOMUX_CONFIG_ALT0); 76 mxc_request_iomux(MX53_PIN_DISP0_DAT21, IOMUX_CONFIG_ALT0); 77 mxc_request_iomux(MX53_PIN_DISP0_DAT22, IOMUX_CONFIG_ALT0); 78 mxc_request_iomux(MX53_PIN_DISP0_DAT23, IOMUX_CONFIG_ALT0); 79 80 /* Turn on GPIO backlight */ 81 mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT1); 82 gpio_direction_output(MX53LOCO_LCD_POWER, 1); 83 84 /* Turn on display contrast */ 85 mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1); 86 gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), 1); 87 } 88 89 void lcd_enable(void) 90 { 91 int ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565); 92 if (ret) 93 printf("LCD cannot be configured: %d\n", ret); 94 } 95