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>

diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
index cfc90621d70adda9ba736e5d4f647f426d9f6fce..df4b231cf3a434c12be80f696db5eb7a8137318d 100644 (file)
--- 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 (file)
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>;
+       };