mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-06 13:14:27 +00:00
9018efa7e2
Add support to configure PWM_OUT(PWM output) GPIO and BL_EN(backlight enable) GPIO, if provided in FIMD DT node. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
100 lines
3.4 KiB
Text
100 lines
3.4 KiB
Text
Exynos Display Controller
|
|
=========================
|
|
Required properties:
|
|
SOC specific:
|
|
compatible: should be "samsung,exynos-fimd"
|
|
reg: Base address of FIMD IP.
|
|
|
|
Board(panel specific):
|
|
samsung,vl-col: X resolution of the panel
|
|
samsung,vl-row: Y resolution of the panel
|
|
samsung,vl-freq: Refresh rate
|
|
samsung,vl-bpix: Bits per pixel
|
|
samsung,vl-hspw: Hsync value
|
|
samsung,vl-hfpd: Right margin
|
|
samsung,vl-hbpd: Left margin
|
|
samsung,vl-vspw: Vsync value
|
|
samsung,vl-vfpd: Lower margin
|
|
samsung,vl-vbpd: Upper margin
|
|
|
|
Optional properties:
|
|
Board(panel specific):
|
|
samsung,vl-width: width of display area in mm
|
|
samsung,vl-height: Height of display area in mm
|
|
|
|
samsung,vl-clkp: Clock polarity
|
|
CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
|
|
samsung,vl-oep: Output Enable polarity
|
|
CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
|
|
samsung,vl-hsp: Horizontal Sync polarity
|
|
CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
|
|
samsung,vl-vsp: Vertical Sync polarity
|
|
CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
|
|
samsung,vl-dp: Data polarity
|
|
CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
|
|
|
|
samsung,vl-cmd-allow-len: Wait end of frame
|
|
samsung,winid: Window number on which data is to be displayed
|
|
samsung,init-delay: Delay before LCD initialization starts
|
|
samsung,power-on-delay: Delay after LCD is powered on
|
|
samsung,reset-delay: Delay after LCD is reset
|
|
samsung,interface-mode: 1(FIMD_RGB_INTERFACE), 2(FIMD_CPU_INTERFACE)
|
|
samsung,mipi-enabled: 1 if you want to use MIPI, else 0
|
|
samsung,dp-enabled: 1is you want to use DP, else 0
|
|
samsung,cs-setup: cs_setup value in FIMD_CPU_INTERFACE mode.
|
|
samsung,wr-setup: wr_setup value in FIMD_CPU_INTERFACE mode.
|
|
samsung,wr-act: wr_act value in FIMD_CPU_INTERFACE mode.
|
|
samsung,wr-hold: wr_hold value in FIMD_CPU_INTERFACE mode.
|
|
samsung,logo-on: 1 if you want to use custom logo.
|
|
0 if you want LCD console.
|
|
samsung,logo-width: pixel width of logo image. Valid if logo_on = 1
|
|
samsung,logo-height: pixel height of logo image. Valid if logo_on = 1
|
|
samsung,logo-addr: Address of logo image. Valid if logo_on = 1
|
|
samsung,rgb-mode: 0(MODE_RGB_P), 1(MODE_BGR_P),
|
|
2(MODE_RGB_S), 3(MODE_BGR_S)
|
|
samsung,pclk-name: parent clock identifier: 1(MPLL), 2(EPLL), 3(VPLL)
|
|
samsung,sclk-div: parent_clock/source_clock ratio
|
|
samsung,dual-lcd-enabled: 1 if you support two LCD, else 0
|
|
samsung,disable-sysmmu: Define this if you want to disable FIMD sysmmu.
|
|
(needed for Exynos5420 and newer versions)
|
|
Add the required FIMD sysmmu nodes to be
|
|
disabled with compatible string
|
|
"samsung,sysmmu-v3.3", with a "reg" property
|
|
holding the register address of FIMD sysmmu.
|
|
samsung,pwm-out-gpio: PWM output GPIO.
|
|
samsung,bl-en-gpio: backlight enable GPIO.
|
|
|
|
Example:
|
|
SOC specific part:
|
|
fimd@14400000 {
|
|
compatible = "samsung,exynos-fimd";
|
|
reg = <0x14400000 0x10000>;
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
};
|
|
|
|
Board specific part:
|
|
fimd@14400000 {
|
|
samsung,vl-freq = <60>;
|
|
samsung,vl-col = <2560>;
|
|
samsung,vl-row = <1600>;
|
|
samsung,vl-width = <2560>;
|
|
samsung,vl-height = <1600>;
|
|
|
|
samsung,vl-clkp;
|
|
samsung,vl-dp;
|
|
samsung,vl-bpix = <4>;
|
|
|
|
samsung,vl-hspw = <32>;
|
|
samsung,vl-hbpd = <80>;
|
|
samsung,vl-hfpd = <48>;
|
|
samsung,vl-vspw = <6>;
|
|
samsung,vl-vbpd = <37>;
|
|
samsung,vl-vfpd = <3>;
|
|
samsung,vl-cmd-allow-len = <0xf>;
|
|
|
|
samsung,winid = <3>;
|
|
samsung,interface-mode = <1>;
|
|
samsung,dp-enabled = <1>;
|
|
samsung,dual-lcd-enabled = <0>;
|
|
};
|