mx53loco_video.c 3.0 KB

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