doc/device-tree-bindings/video/exynos-dp.txt

   1 Exynos Display port controller
   2 ==============================
   3
   4 Required properties:
   5 SOC specific:
   6         compatible: should be "samsung,exynos5-dp"
   7         reg: Base address of DP IP
   8
   9 Optional properties:
  10         samsung,h-res: X resolution of the panel
  11         samsung,h-sync-width: hsync value
  12         samsung,h-back-porch: left margin
  13         samsung,h-front-porch right margin
  14         samsung,v-res: Y resolution of the panel
  15         samsung,v-sync-width: vsync value
  16         samsung,v-back-porch: upper margin
  17         samsung,v-front-porch: lower margin
  18         samsung,v-sync-rate: refresh rate
  19
  20         samsung,lt-status: Link training status
  21                 0(DP_LT_NONE), 1(DP_LT_START), 2(DP_LT_CR), 3(DP_LT_ET),
  22                 4(DP_LT_FINISHED), 5(DP_LT_FAIL)
  23
  24         samsung,master-mode: 1 if you want to run DP as master, else 0
  25         samsung,bist-mode: 1 to enable video bist mode, else 0
  26         samsung,bist-pattern: bist mode pattern type
  27                 0(NO_PATTERN), 1(COLOR_RAMP), 2(BALCK_WHITE_V_LINES),
  28                 3(COLOR_SQUARE), 4(INVALID_PATTERN), 5(COLORBAR_32),
  29                 6(COLORBAR_64),7(WHITE_GRAY_BALCKBAR_32),
  30                 8(WHITE_GRAY_BALCKBAR_64),9(MOBILE_WHITEBAR_32),
  31                 10(MOBILE_WHITEBAR_64)
  32         samsung,h-sync-polarity: Horizontal Sync polarity
  33                         CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
  34         samsung,v-sync-polarity: Vertical Sync polarity
  35                         CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
  36         samsung,interlaced: Progressive if 0, else Interlaced
  37         samsung,color-space: input video data format
  38                 COLOR_RGB = 0, COLOR_YCBCR422 = 1, COLOR_YCBCR444 = 2
  39         samsung,dynamic-range: dynamic range for input video data
  40                 VESA = 0, CEA = 1
  41         samsung,ycbcr-coeff: YCbCr co-efficients for input video
  42                 COLOR_YCBCR601 = 0, COLOR_YCBCR709 = 1
  43         samsung,color-depth: number of bits per colour component
  44                 COLOR_6 = 0, COLOR_8 = 1, COLOR_10 = 2, COLOR_12 = 3
  45
  46 Example:
  47 SOC specific part:
  48         dp@145b0000 {
  49                 compatible = "samsung,exynos5-dp";
  50                 reg = <0x145b0000 0x1000>;
  51                 #address-cells = <1>;
  52                 #size-cells = <1>;
  53         };
  54
  55 Board(panel) specific part:
  56         dp@145b0000 {
  57                 samsung,lt-status = <0>;
  58
  59                 samsung,master-mode = <0>;
  60                 samsung,bist-mode = <0>;
  61                 samsung,bist-pattern = <0>;
  62                 samsung,h-sync-polarity = <0>;
  63                 samsung,v-sync-polarity = <0>;
  64                 samsung,interlaced = <0>;
  65                 samsung,color-space = <0>;
  66                 samsung,dynamic-range = <0>;
  67                 samsung,ycbcr-coeff = <0>;
  68                 samsung,color-depth = <1>;
  69         };