board/freescale/mx53loco/mx53loco_video.c

   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 }