LXR uboot/board/freescale/mx53loco/mx53loco

   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 <env.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
  17static 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
  33static 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
  48void 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
  92int board_video_skip(void)
  93{
  94        int ret;
  95        char const *e = env_get("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