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         samsung,disable-sysmmu: Define this if you want to disable FIMD sysmmu.
  59                                 (needed for Exynos5420 and newer versions)
  60                                 Add the required FIMD sysmmu nodes to be
  61                                 disabled with compatible string
  62                                 "samsung,sysmmu-v3.3", with a "reg" property
  63                                 holding the register address of FIMD sysmmu.
  64         samsung,pwm-out-gpio: PWM output GPIO.
  65         samsung,bl-en-gpio: backlight enable GPIO.
  66
  67 Example:
  68 SOC specific part:
  69         fimd@14400000 {
  70                 compatible = "samsung,exynos-fimd";
  71                 reg = <0x14400000 0x10000>;
  72                 #address-cells = <1>;
  73                 #size-cells = <1>;
  74         };
  75
  76 Board specific part:
  77         fimd@14400000 {
  78                 samsung,vl-freq = <60>;
  79                 samsung,vl-col = <2560>;
  80                 samsung,vl-row = <1600>;
  81                 samsung,vl-width = <2560>;
  82                 samsung,vl-height = <1600>;
  83
  84                 samsung,vl-clkp;
  85                 samsung,vl-dp;
  86                 samsung,vl-bpix = <4>;
  87
  88                 samsung,vl-hspw = <32>;
  89                 samsung,vl-hbpd = <80>;
  90                 samsung,vl-hfpd = <48>;
  91                 samsung,vl-vspw = <6>;
  92                 samsung,vl-vbpd = <37>;
  93                 samsung,vl-vfpd = <3>;
  94                 samsung,vl-cmd-allow-len = <0xf>;
  95
  96                 samsung,winid = <3>;
  97                 samsung,interface-mode = <1>;
  98                 samsung,dp-enabled = <1>;
  99                 samsung,dual-lcd-enabled = <0>;
 100         };