mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-17 16:53:06 +00:00
70 lines
2.2 KiB
Text
70 lines
2.2 KiB
Text
|
Exynos Display port controller
|
||
|
|
==============================
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
SOC specific:
|
||
|
|
compatible: should be "samsung,exynos5-dp"
|
||
|
|
reg: Base address of DP IP
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
samsung,h-res: X resolution of the panel
|
||
|
|
samsung,h-sync-width: hsync value
|
||
|
|
samsung,h-back-porch: left margin
|
||
|
|
samsung,h-front-porch right margin
|
||
|
|
samsung,v-res: Y resolution of the panel
|
||
|
|
samsung,v-sync-width: vsync value
|
||
|
|
samsung,v-back-porch: upper margin
|
||
|
|
samsung,v-front-porch: lower margin
|
||
|
|
samsung,v-sync-rate: refresh rate
|
||
|
|
|
||
|
|
samsung,lt-status: Link training status
|
||
|
|
0(DP_LT_NONE), 1(DP_LT_START), 2(DP_LT_CR), 3(DP_LT_ET),
|
||
|
|
4(DP_LT_FINISHED), 5(DP_LT_FAIL)
|
||
|
|
|
||
|
|
samsung,master-mode: 1 if you want to run DP as master, else 0
|
||
|
|
samsung,bist-mode: 1 to enable video bist mode, else 0
|
||
|
|
samsung,bist-pattern: bist mode pattern type
|
||
|
|
0(NO_PATTERN), 1(COLOR_RAMP), 2(BALCK_WHITE_V_LINES),
|
||
|
|
3(COLOR_SQUARE), 4(INVALID_PATTERN), 5(COLORBAR_32),
|
||
|
|
6(COLORBAR_64),7(WHITE_GRAY_BALCKBAR_32),
|
||
|
|
8(WHITE_GRAY_BALCKBAR_64),9(MOBILE_WHITEBAR_32),
|
||
|
|
10(MOBILE_WHITEBAR_64)
|
||
|
|
samsung,h-sync-polarity: Horizontal Sync polarity
|
||
|
|
CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
|
||
|
|
samsung,v-sync-polarity: Vertical Sync polarity
|
||
|
|
CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
|
||
|
|
samsung,interlaced: Progressive if 0, else Interlaced
|
||
|
|
samsung,color-space: input video data format
|
||
|
|
COLOR_RGB = 0, COLOR_YCBCR422 = 1, COLOR_YCBCR444 = 2
|
||
|
|
samsung,dynamic-range: dynamic range for input video data
|
||
|
|
VESA = 0, CEA = 1
|
||
|
|
samsung,ycbcr-coeff: YCbCr co-efficients for input video
|
||
|
|
COLOR_YCBCR601 = 0, COLOR_YCBCR709 = 1
|
||
|
|
samsung,color-depth: number of bits per colour component
|
||
|
|
COLOR_6 = 0, COLOR_8 = 1, COLOR_10 = 2, COLOR_12 = 3
|
||
|
|
|
||
|
|
Example:
|
||
|
|
SOC specific part:
|
||
|
|
dp@145b0000 {
|
||
|
|
compatible = "samsung,exynos5-dp";
|
||
|
|
reg = <0x145b0000 0x1000>;
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <1>;
|
||
|
|
};
|
||
|
|
|
||
|
|
Board(panel) specific part:
|
||
|
|
dp@145b0000 {
|
||
|
|
samsung,lt-status = <0>;
|
||
|
|
|
||
|
|
samsung,master-mode = <0>;
|
||
|
|
samsung,bist-mode = <0>;
|
||
|
|
samsung,bist-pattern = <0>;
|
||
|
|
samsung,h-sync-polarity = <0>;
|
||
|
|
samsung,v-sync-polarity = <0>;
|
||
|
|
samsung,interlaced = <0>;
|
||
|
|
samsung,color-space = <0>;
|
||
|
|
samsung,dynamic-range = <0>;
|
||
|
|
samsung,ycbcr-coeff = <0>;
|
||
|
|
samsung,color-depth = <1>;
|
||
|
|
};
|