1 Exynos Display port controller 2 ============================== 3 4 Required properties: 5 SOC specific: 6 compatible: should be "samsung,exynos5-dp" 7 reg: Base address of DP IP 8 9 Optional properties: 10 samsung,h-res: X resolution of the panel 11 samsung,h-sync-width: hsync value 12 samsung,h-back-porch: left margin 13 samsung,h-front-porch right margin 14 samsung,v-res: Y resolution of the panel 15 samsung,v-sync-width: vsync value 16 samsung,v-back-porch: upper margin 17 samsung,v-front-porch: lower margin 18 samsung,v-sync-rate: refresh rate 19 20 samsung,lt-status: Link training status 21 0(DP_LT_NONE), 1(DP_LT_START), 2(DP_LT_CR), 3(DP_LT_ET), 22 4(DP_LT_FINISHED), 5(DP_LT_FAIL) 23 24 samsung,master-mode: 1 if you want to run DP as master, else 0 25 samsung,bist-mode: 1 to enable video bist mode, else 0 26 samsung,bist-pattern: bist mode pattern type 27 0(NO_PATTERN), 1(COLOR_RAMP), 2(BALCK_WHITE_V_LINES), 28 3(COLOR_SQUARE), 4(INVALID_PATTERN), 5(COLORBAR_32), 29 6(COLORBAR_64),7(WHITE_GRAY_BALCKBAR_32), 30 8(WHITE_GRAY_BALCKBAR_64),9(MOBILE_WHITEBAR_32), 31 10(MOBILE_WHITEBAR_64) 32 samsung,h-sync-polarity: Horizontal Sync polarity 33 CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH 34 samsung,v-sync-polarity: Vertical Sync polarity 35 CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH 36 samsung,interlaced: Progressive if 0, else Interlaced 37 samsung,color-space: input video data format 38 COLOR_RGB = 0, COLOR_YCBCR422 = 1, COLOR_YCBCR444 = 2 39 samsung,dynamic-range: dynamic range for input video data 40 VESA = 0, CEA = 1 41 samsung,ycbcr-coeff: YCbCr co-efficients for input video 42 COLOR_YCBCR601 = 0, COLOR_YCBCR709 = 1 43 samsung,color-depth: number of bits per colour component 44 COLOR_6 = 0, COLOR_8 = 1, COLOR_10 = 2, COLOR_12 = 3 45 46 Example: 47 SOC specific part: 48 dp@145b0000 { 49 compatible = "samsung,exynos5-dp"; 50 reg = <0x145b0000 0x1000>; 51 #address-cells = <1>; 52 #size-cells = <1>; 53 }; 54 55 Board(panel) specific part: 56 dp@145b0000 { 57 samsung,lt-status = <0>; 58 59 samsung,master-mode = <0>; 60 samsung,bist-mode = <0>; 61 samsung,bist-pattern = <0>; 62 samsung,h-sync-polarity = <0>; 63 samsung,v-sync-polarity = <0>; 64 samsung,interlaced = <0>; 65 samsung,color-space = <0>; 66 samsung,dynamic-range = <0>; 67 samsung,ycbcr-coeff = <0>; 68 samsung,color-depth = <1>; 69 }; 70
