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authorAjay Kumar <ajaykumar.rs@samsung.com>2013-02-21 23:53:07 +0000
committerMinkyu Kang <mk7.kang@samsung.com>2013-03-27 21:23:18 +0900
commit71e6ba4655f27a1e6165f4fd54b80b6854159818 (patch)
treedbd71f0e5407c667f6a854abc0c69bc2f260365d
parent9947d13e51aae26903464a3bb7dae727268a3bb6 (diff)
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EXYNOS5: Add device node for DP
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>
-rw-r--r--arch/arm/dts/exynos5250.dtsi7
-rw-r--r--doc/device-tree-bindings/video/exynos-dp.txt69
2 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
index cfc9062..df4b231 100644
--- a/arch/arm/dts/exynos5250.dtsi
+++ b/arch/arm/dts/exynos5250.dtsi
@@ -162,4 +162,11 @@
#address-cells = <1>;
#size-cells = <1>;
};
+
+ dp@145b0000 {
+ compatible = "samsung,exynos5-dp";
+ reg = <0x145b0000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
};
diff --git a/doc/device-tree-bindings/video/exynos-dp.txt b/doc/device-tree-bindings/video/exynos-dp.txt
new file mode 100644
index 0000000..464a853
--- /dev/null
+++ b/doc/device-tree-bindings/video/exynos-dp.txt
@@ -0,0 +1,69 @@
+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>;
+ };