diff options
Diffstat (limited to 'Documentation/devicetree/bindings/display/exynos/exynos_dp.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/display/exynos/exynos_dp.txt | 93 |
1 files changed, 27 insertions, 66 deletions
diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_dp.txt b/Documentation/devicetree/bindings/display/exynos/exynos_dp.txt index fe4a7a2dea9c..ade5d8eebf85 100644 --- a/Documentation/devicetree/bindings/display/exynos/exynos_dp.txt +++ b/Documentation/devicetree/bindings/display/exynos/exynos_dp.txt @@ -1,20 +1,3 @@ -Device-Tree bindings for Samsung Exynos Embedded DisplayPort Transmitter(eDP) - -DisplayPort is industry standard to accommodate the growing board adoption -of digital display technology within the PC and CE industries. -It consolidates the internal and external connection methods to reduce device -complexity and cost. It also supports necessary features for important cross -industry applications and provides performance scalability to enable the next -generation of displays that feature higher color depths, refresh rates, and -display resolutions. - -eDP (embedded display port) device is compliant with Embedded DisplayPort -standard as follows, -- DisplayPort standard 1.1a for Exynos5250 and Exynos5260. -- DisplayPort standard 1.3 for Exynos5422s and Exynos5800. - -eDP resides between FIMD and panel or FIMD and bridge such as LVDS. - The Exynos display port interface should be configured based on the type of panel connected to it. @@ -48,26 +31,6 @@ Required properties for dp-controller: from general PHY binding: the phandle for the PHY device. -phy-names: from general PHY binding: Should be "dp". - -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 - -samsung,link-rate: - link rate supported by the panel. - LINK_RATE_1_62GBPS = 0x6, LINK_RATE_2_70GBPS = 0x0A - -samsung,lane-count: - number of lanes supported by the panel. - LANE_COUNT1 = 1, LANE_COUNT2 = 2, LANE_COUNT4 = 4 - - display-timings: timings for the connected panel as described by - Documentation/devicetree/bindings/display/display-timing.txt Optional properties for dp-controller: -interlaced: @@ -83,17 +46,31 @@ Optional properties for dp-controller: Hotplug detect GPIO. Indicates which GPIO should be used for hotplug detection -Video interfaces: - Device node can contain video interface port nodes according to [1]. - The following are properties specific to those nodes: - - endpoint node connected to bridge or panel node: - - remote-endpoint: specifies the endpoint in panel or bridge node. - This node is required in all kinds of exynos dp - to represent the connection between dp and bridge - or dp and panel. - -[1]: Documentation/devicetree/bindings/media/video-interfaces.txt + -video interfaces: Device node can contain video interface port + nodes according to [1]. + - display-timings: timings for the connected panel as described by + Documentation/devicetree/bindings/display/panel/display-timing.txt + +For the below properties, please refer to Analogix DP binding document: + * Documentation/devicetree/bindings/display/bridge/analogix_dp.txt + -phys (required) + -phy-names (required) + -hpd-gpios (optional) + force-hpd (optional) + +Deprecated properties for DisplayPort: +-interlaced: deprecated prop that can parsed from drm_display_mode. +-vsync-active-high: deprecated prop that can parsed from drm_display_mode. +-hsync-active-high: deprecated prop that can parsed from drm_display_mode. +-samsung,ycbcr-coeff: deprecated prop that can parsed from drm_display_mode. +-samsung,dynamic-range: deprecated prop that can parsed from drm_display_mode. +-samsung,color-space: deprecated prop that can parsed from drm_display_info. +-samsung,color-depth: deprecated prop that can parsed from drm_display_info. +-samsung,link-rate: deprecated prop that can reading from monitor by dpcd method. +-samsung,lane-count: deprecated prop that can reading from monitor by dpcd method. +-samsung,hpd-gpio: deprecated name for hpd-gpios. + +------------------------------------------------------------------------------- Example: @@ -112,13 +89,6 @@ SOC specific portion: Board Specific portion: dp-controller { - samsung,color-space = <0>; - samsung,dynamic-range = <0>; - samsung,ycbcr-coeff = <0>; - samsung,color-depth = <1>; - samsung,link-rate = <0x0a>; - samsung,lane-count = <4>; - display-timings { native-mode = <&lcd_timing>; lcd_timing: 1366x768 { @@ -135,18 +105,9 @@ Board Specific portion: }; ports { - port { + port@0 { dp_out: endpoint { - remote-endpoint = <&dp_in>; - }; - }; - }; - - panel { - ... - port { - dp_in: endpoint { - remote-endpoint = <&dp_out>; + remote-endpoint = <&bridge_in>; }; }; }; |