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Viewing changes to roms/u-boot/doc/device-tree-bindings/video/exynos-fb.txt

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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Lines of Context:
roms/u-boot/doc/device-tree-bindings/video/exynos-fb.txt
 
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Exynos Display Controller
 
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=========================
 
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Required properties:
 
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SOC specific:
 
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        compatible: should be "samsung,exynos-fimd"
 
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        reg: Base address of FIMD IP.
 
7
 
 
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Board(panel specific):
 
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        samsung,vl-col: X resolution of the panel
 
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        samsung,vl-row: Y resolution of the panel
 
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        samsung,vl-freq: Refresh rate
 
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        samsung,vl-bpix: Bits per pixel
 
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        samsung,vl-hspw: Hsync value
 
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        samsung,vl-hfpd: Right margin
 
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        samsung,vl-hbpd: Left margin
 
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        samsung,vl-vspw: Vsync value
 
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        samsung,vl-vfpd: Lower margin
 
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        samsung,vl-vbpd: Upper margin
 
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Optional properties:
 
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Board(panel specific):
 
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        samsung,vl-width: width of display area in mm
 
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        samsung,vl-height: Height of display area in mm
 
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        samsung,vl-clkp: Clock polarity
 
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                CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
 
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        samsung,vl-oep: Output Enable polarity
 
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                CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
 
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        samsung,vl-hsp: Horizontal Sync polarity
 
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                CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
 
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        samsung,vl-vsp: Vertical Sync polarity
 
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                CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
 
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        samsung,vl-dp: Data polarity
 
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                CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
 
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        samsung,vl-cmd-allow-len: Wait end of frame
 
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        samsung,winid: Window number on which data is to be displayed
 
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        samsung,init-delay: Delay before LCD initialization starts
 
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        samsung,power-on-delay: Delay after LCD is powered on
 
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        samsung,reset-delay: Delay after LCD is reset
 
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        samsung,interface-mode: 1(FIMD_RGB_INTERFACE), 2(FIMD_CPU_INTERFACE)
 
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        samsung,mipi-enabled: 1 if you want to use MIPI, else 0
 
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        samsung,dp-enabled: 1is you want to use DP, else 0
 
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        samsung,cs-setup: cs_setup value in FIMD_CPU_INTERFACE mode.
 
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        samsung,wr-setup: wr_setup value in FIMD_CPU_INTERFACE mode.
 
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        samsung,wr-act: wr_act value in FIMD_CPU_INTERFACE mode.
 
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        samsung,wr-hold: wr_hold value in FIMD_CPU_INTERFACE mode.
 
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        samsung,logo-on: 1 if you want to use custom logo.
 
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                         0 if you want LCD console.
 
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        samsung,logo-width: pixel width of logo image. Valid if logo_on = 1
 
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        samsung,logo-height: pixel height of logo image. Valid if logo_on = 1
 
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        samsung,logo-addr: Address of logo image. Valid if logo_on = 1
 
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        samsung,rgb-mode: 0(MODE_RGB_P), 1(MODE_BGR_P),
 
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                          2(MODE_RGB_S), 3(MODE_BGR_S)
 
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        samsung,pclk-name: parent clock identifier: 1(MPLL), 2(EPLL), 3(VPLL)
 
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        samsung,sclk-div: parent_clock/source_clock ratio
 
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        samsung,dual-lcd-enabled: 1 if you support two LCD, else 0
 
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Example:
 
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SOC specific part:
 
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        fimd@14400000 {
 
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                compatible = "samsung,exynos-fimd";
 
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                reg = <0x14400000 0x10000>;
 
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                #address-cells = <1>;
 
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                #size-cells = <1>;
 
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        };
 
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Board specific part:
 
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        fimd@14400000 {
 
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                samsung,vl-freq = <60>;
 
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                samsung,vl-col = <2560>;
 
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                samsung,vl-row = <1600>;
 
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                samsung,vl-width = <2560>;
 
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                samsung,vl-height = <1600>;
 
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                samsung,vl-clkp;
 
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                samsung,vl-dp;
 
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                samsung,vl-bpix = <4>;
 
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                samsung,vl-hspw = <32>;
 
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                samsung,vl-hbpd = <80>;
 
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                samsung,vl-hfpd = <48>;
 
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                samsung,vl-vspw = <6>;
 
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                samsung,vl-vbpd = <37>;
 
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                samsung,vl-vfpd = <3>;
 
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                samsung,vl-cmd-allow-len = <0xf>;
 
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                samsung,winid = <3>;
 
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                samsung,interface-mode = <1>;
 
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                samsung,dp-enabled = <1>;
 
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                samsung,dual-lcd-enabled = <0>;
 
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        };