71e6ba4655
Add DT node and bindings documentaion for DP. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
70 lines
2.2 KiB
Plaintext
70 lines
2.2 KiB
Plaintext
Exynos Display port 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,exynos5-dp"
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reg: Base address of DP IP
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Optional properties:
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samsung,h-res: X resolution of the panel
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samsung,h-sync-width: hsync value
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samsung,h-back-porch: left margin
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samsung,h-front-porch right margin
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samsung,v-res: Y resolution of the panel
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samsung,v-sync-width: vsync value
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samsung,v-back-porch: upper margin
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samsung,v-front-porch: lower margin
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samsung,v-sync-rate: refresh rate
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samsung,lt-status: Link training status
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0(DP_LT_NONE), 1(DP_LT_START), 2(DP_LT_CR), 3(DP_LT_ET),
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4(DP_LT_FINISHED), 5(DP_LT_FAIL)
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samsung,master-mode: 1 if you want to run DP as master, else 0
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samsung,bist-mode: 1 to enable video bist mode, else 0
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samsung,bist-pattern: bist mode pattern type
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0(NO_PATTERN), 1(COLOR_RAMP), 2(BALCK_WHITE_V_LINES),
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3(COLOR_SQUARE), 4(INVALID_PATTERN), 5(COLORBAR_32),
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6(COLORBAR_64),7(WHITE_GRAY_BALCKBAR_32),
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8(WHITE_GRAY_BALCKBAR_64),9(MOBILE_WHITEBAR_32),
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10(MOBILE_WHITEBAR_64)
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samsung,h-sync-polarity: Horizontal Sync polarity
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CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
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samsung,v-sync-polarity: Vertical Sync polarity
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CONFIG_SYS_LOW if defined, else CONFIG_SYS_HIGH
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samsung,interlaced: Progressive if 0, else Interlaced
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samsung,color-space: input video data format
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COLOR_RGB = 0, COLOR_YCBCR422 = 1, COLOR_YCBCR444 = 2
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samsung,dynamic-range: dynamic range for input video data
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VESA = 0, CEA = 1
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samsung,ycbcr-coeff: YCbCr co-efficients for input video
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COLOR_YCBCR601 = 0, COLOR_YCBCR709 = 1
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samsung,color-depth: number of bits per colour component
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COLOR_6 = 0, COLOR_8 = 1, COLOR_10 = 2, COLOR_12 = 3
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Example:
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SOC specific part:
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dp@145b0000 {
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compatible = "samsung,exynos5-dp";
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reg = <0x145b0000 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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};
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Board(panel) specific part:
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dp@145b0000 {
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samsung,lt-status = <0>;
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samsung,master-mode = <0>;
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samsung,bist-mode = <0>;
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samsung,bist-pattern = <0>;
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samsung,h-sync-polarity = <0>;
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samsung,v-sync-polarity = <0>;
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samsung,interlaced = <0>;
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samsung,color-space = <0>;
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samsung,dynamic-range = <0>;
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samsung,ycbcr-coeff = <0>;
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samsung,color-depth = <1>;
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};
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