1 /* 2 * Copyright (C) 2012 Freescale Semiconductor, Inc. 3 * Fabio Estevam <fabio.estevam@freescale.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <linux/list.h> 10 #include <asm/gpio.h> 11 #include <asm/arch/iomux-mx53.h> 12 #include <linux/fb.h> 13 #include <ipu_pixfmt.h> 14 15 #define MX53LOCO_LCD_POWER IMX_GPIO_NR(3, 24) 16 17 static struct fb_videomode const claa_wvga = { 18 .name = "CLAA07LC0ACW", 19 .refresh = 57, 20 .xres = 800, 21 .yres = 480, 22 .pixclock = 37037, 23 .left_margin = 40, 24 .right_margin = 60, 25 .upper_margin = 10, 26 .lower_margin = 10, 27 .hsync_len = 20, 28 .vsync_len = 10, 29 .sync = 0, 30 .vmode = FB_VMODE_NONINTERLACED 31 }; 32 33 static struct fb_videomode const seiko_wvga = { 34 .name = "Seiko-43WVF1G", 35 .refresh = 60, 36 .xres = 800, 37 .yres = 480, 38 .pixclock = 29851, /* picosecond (33.5 MHz) */ 39 .left_margin = 89, 40 .right_margin = 164, 41 .upper_margin = 23, 42 .lower_margin = 10, 43 .hsync_len = 10, 44 .vsync_len = 10, 45 .sync = 0, 46 }; 47 48 void setup_iomux_lcd(void) 49 { 50 static const iomux_v3_cfg_t lcd_pads[] = { 51 MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK, 52 MX53_PAD_DI0_PIN15__IPU_DI0_PIN15, 53 MX53_PAD_DI0_PIN2__IPU_DI0_PIN2, 54 MX53_PAD_DI0_PIN3__IPU_DI0_PIN3, 55 MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0, 56 MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1, 57 MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2, 58 MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3, 59 MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4, 60 MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5, 61 MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6, 62 MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7, 63 MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8, 64 MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9, 65 MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10, 66 MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11, 67 MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12, 68 MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13, 69 MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14, 70 MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15, 71 MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16, 72 MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17, 73 MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18, 74 MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19, 75 MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20, 76 MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21, 77 MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22, 78 MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23, 79 }; 80 81 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); 82 83 /* Turn on GPIO backlight */ 84 imx_iomux_v3_setup_pad(MX53_PAD_EIM_D24__GPIO3_24); 85 gpio_direction_output(MX53LOCO_LCD_POWER, 1); 86 87 /* Turn on display contrast */ 88 imx_iomux_v3_setup_pad(MX53_PAD_GPIO_1__GPIO1_1); 89 gpio_direction_output(IMX_GPIO_NR(1, 1), 1); 90 } 91 92 int board_video_skip(void) 93 { 94 int ret; 95 char const *e = getenv("panel"); 96 97 if (e) { 98 if (strcmp(e, "seiko") == 0) { 99 ret = ipuv3_fb_init(&seiko_wvga, 0, IPU_PIX_FMT_RGB24); 100 if (ret) 101 printf("Seiko cannot be configured: %d\n", ret); 102 return ret; 103 } 104 } 105 106 /* 107 * 'panel' env variable not found or has different value than 'seiko' 108 * Defaulting to claa lcd. 109 */ 110 ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565); 111 if (ret) 112 printf("CLAA cannot be configured: %d\n", ret); 113 return ret; 114 } 115