| Message ID | 1350074859-23226-2-git-send-email-ajaykumar.rs@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Saturday, October 13, 2012 5:48 AM Ajay kumar wrote > > Add documentation for the DT bindings in exynos display port driver. > > Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> > --- > .../devicetree/bindings/video/exynos_dp.txt | 80 ++++++++++++++++++++ > 1 files changed, 80 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/video/exynos_dp.txt > > diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt > b/Documentation/devicetree/bindings/video/exynos_dp.txt > new file mode 100644 > index 0000000..e19594b > --- /dev/null > +++ b/Documentation/devicetree/bindings/video/exynos_dp.txt > @@ -0,0 +1,80 @@ > +The Exynos display port interface should be configured based on the > +based on the type of panel connected to it. 'based on' is duplicated. So, please fix it as bellows: +The Exynos display port interface should be configured based on +the type of panel connected to it. > + > +We use two nodes: > + -display-port-controller node > + -dptx-phy node(defined inside display-port-controller node) > + > +For the DP-PHY initialization, we use the dptx-phy node. > +Required properties for dptx-phy: > + -reg: > + Base address of DP PHY register. > + -samsung,enable-mask: > + The bit-mask used to enable/disable DP PHY. > + > +For the Panel initialization, we read data from display-port-controller node. > +Required properties for display-port-controller: > + -compatible: > + should be "samsung,exynos5-dp". > + -reg: > + physical base address of the controller and length > + of memory mapped region. > + -interrupts: > + interrupt combiner values. > + -interrupt-parent: > + phandle to Interrupt combiner node. > + -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 > + > +Optional properties for display-port-controller: > + -interlaced: > + interlace scan mode. > + Progressive if defined, Interlaced if not defined > + -vsync-active-high: > + VSYNC polarity configuration. > + High if defined, Low if not defined > + -hsync-active-high: > + HSYNC polarity configuration. > + High if defined, Low if not defined > + > +Example: > + > +SOC specific portion: > + display-port-controller { > + compatible = "samsung,exynos5-dp"; > + reg = <0x145b0000 0x10000>; > + interrupts = <10 3>; > + interrupt-parent = <&combiner>; > + > + dptx-phy { > + reg = <0x10040720>; > + samsung,enable-mask = <1>; > + }; > + > + }; > + > +Board Specific portion: > + display-port-controller { > + samsung,color-space = <0>; > + samsung,dynamic-range = <0>; > + samsung,ycbcr-coeff = <0>; > + samsung,color-depth = <1>; > + samsung,link-rate = <0x0a>; > + samsung,lane-count = <2>; > + }; > -- > 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt new file mode 100644 index 0000000..e19594b --- /dev/null +++ b/Documentation/devicetree/bindings/video/exynos_dp.txt @@ -0,0 +1,80 @@ +The Exynos display port interface should be configured based on the +based on the type of panel connected to it. + +We use two nodes: + -display-port-controller node + -dptx-phy node(defined inside display-port-controller node) + +For the DP-PHY initialization, we use the dptx-phy node. +Required properties for dptx-phy: + -reg: + Base address of DP PHY register. + -samsung,enable-mask: + The bit-mask used to enable/disable DP PHY. + +For the Panel initialization, we read data from display-port-controller node. +Required properties for display-port-controller: + -compatible: + should be "samsung,exynos5-dp". + -reg: + physical base address of the controller and length + of memory mapped region. + -interrupts: + interrupt combiner values. + -interrupt-parent: + phandle to Interrupt combiner node. + -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 + +Optional properties for display-port-controller: + -interlaced: + interlace scan mode. + Progressive if defined, Interlaced if not defined + -vsync-active-high: + VSYNC polarity configuration. + High if defined, Low if not defined + -hsync-active-high: + HSYNC polarity configuration. + High if defined, Low if not defined + +Example: + +SOC specific portion: + display-port-controller { + compatible = "samsung,exynos5-dp"; + reg = <0x145b0000 0x10000>; + interrupts = <10 3>; + interrupt-parent = <&combiner>; + + dptx-phy { + reg = <0x10040720>; + samsung,enable-mask = <1>; + }; + + }; + +Board Specific portion: + display-port-controller { + samsung,color-space = <0>; + samsung,dynamic-range = <0>; + samsung,ycbcr-coeff = <0>; + samsung,color-depth = <1>; + samsung,link-rate = <0x0a>; + samsung,lane-count = <2>; + };
Add documentation for the DT bindings in exynos display port driver. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> --- .../devicetree/bindings/video/exynos_dp.txt | 80 ++++++++++++++++++++ 1 files changed, 80 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/video/exynos_dp.txt