mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
93 lines
3 KiB
Text
93 lines
3 KiB
Text
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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.
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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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};
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