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