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

   1 Exynos Display Controller
   2 =========================
   3 Required properties:
   4 SOC specific:
   5         compatible: should be "samsung,exynos-fimd"
   6         reg: Base address of FIMD IP.
   7
   8 Board(panel specific):
   9         samsung,vl-col: X resolution of the panel
  10         samsung,vl-row: Y resolution of the panel
  11         samsung,vl-freq: Refresh rate
  12         samsung,vl-bpix: Bits per pixel
  13         samsung,vl-hspw: Hsync value
  14         samsung,vl-hfpd: Right margin
  15         samsung,vl-hbpd: Left margin
  16         samsung,vl-vspw: Vsync value
  17         samsung,vl-vfpd: Lower margin
  18         samsung,vl-vbpd: Upper margin
  19
  20 Optional properties:
  21 Board(panel specific):
  22         samsung,vl-width: width of display area in mm
  23         samsung,vl-height: Height of display area in mm
  24
  25         samsung,vl-clkp: Clock polarity
  26                 CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
  27         samsung,vl-oep: Output Enable polarity
  28                 CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
  29         samsung,vl-hsp: Horizontal Sync polarity
  30                 CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
  31         samsung,vl-vsp: Vertical Sync polarity
  32                 CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
  33         samsung,vl-dp: Data polarity
  34                 CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
  35
  36         samsung,vl-cmd-allow-len: Wait end of frame
  37         samsung,winid: Window number on which data is to be displayed
  38         samsung,init-delay: Delay before LCD initialization starts
  39         samsung,power-on-delay: Delay after LCD is powered on
  40         samsung,reset-delay: Delay after LCD is reset
  41         samsung,interface-mode: 1(FIMD_RGB_INTERFACE), 2(FIMD_CPU_INTERFACE)
  42         samsung,mipi-enabled: 1 if you want to use MIPI, else 0
  43         samsung,dp-enabled: 1is you want to use DP, else 0
  44         samsung,cs-setup: cs_setup value in FIMD_CPU_INTERFACE mode.
  45         samsung,wr-setup: wr_setup value in FIMD_CPU_INTERFACE mode.
  46         samsung,wr-act: wr_act value in FIMD_CPU_INTERFACE mode.
  47         samsung,wr-hold: wr_hold value in FIMD_CPU_INTERFACE mode.
  48         samsung,logo-on: 1 if you want to use custom logo.
  49                          0 if you want LCD console.
  50         samsung,logo-width: pixel width of logo image. Valid if logo_on = 1
  51         samsung,logo-height: pixel height of logo image. Valid if logo_on = 1
  52         samsung,logo-addr: Address of logo image. Valid if logo_on = 1
  53         samsung,rgb-mode: 0(MODE_RGB_P), 1(MODE_BGR_P),
  54                           2(MODE_RGB_S), 3(MODE_BGR_S)
  55         samsung,pclk-name: parent clock identifier: 1(MPLL), 2(EPLL), 3(VPLL)
  56         samsung,sclk-div: parent_clock/source_clock ratio
  57         samsung,dual-lcd-enabled: 1 if you support two LCD, else 0
  58
  59 Example:
  60 SOC specific part:
  61         fimd@14400000 {
  62                 compatible = "samsung,exynos-fimd";
  63                 reg = <0x14400000 0x10000>;
  64                 #address-cells = <1>;
  65                 #size-cells = <1>;
  66         };
  67
  68 Board specific part:
  69         fimd@14400000 {
  70                 samsung,vl-freq = <60>;
  71                 samsung,vl-col = <2560>;
  72                 samsung,vl-row = <1600>;
  73                 samsung,vl-width = <2560>;
  74                 samsung,vl-height = <1600>;
  75
  76                 samsung,vl-clkp;
  77                 samsung,vl-dp;
  78                 samsung,vl-bpix = <4>;
  79
  80                 samsung,vl-hspw = <32>;
  81                 samsung,vl-hbpd = <80>;
  82                 samsung,vl-hfpd = <48>;
  83                 samsung,vl-vspw = <6>;
  84                 samsung,vl-vbpd = <37>;
  85                 samsung,vl-vfpd = <3>;
  86                 samsung,vl-cmd-allow-len = <0xf>;
  87
  88                 samsung,winid = <3>;
  89                 samsung,interface-mode = <1>;
  90                 samsung,dp-enabled = <1>;
  91                 samsung,dual-lcd-enabled = <0>;
  92         };