| Message ID | 1422721984-27782-5-git-send-email-heiko@sntech.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Heiko, Thank you for the patch. On Saturday 31 January 2015 17:32:57 Heiko Stuebner wrote: > From: Mark Yao <yzq@rock-chips.com> > > Add binding documentation for Rockchip SoC LVDS driver. > > Signed-off-by: Mark Yao <yzq@rock-chips.com> > Signed-off-by: Heiko Stuebner <heiko@sntech.de> > --- > .../devicetree/bindings/video/rockchip-lvds.txt | 59 +++++++++++++++++++ > 1 file changed, 59 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/video/rockchip-lvds.txt > > diff --git a/Documentation/devicetree/bindings/video/rockchip-lvds.txt > b/Documentation/devicetree/bindings/video/rockchip-lvds.txt new file mode > 100644 > index 0000000..1616d7e > --- /dev/null > +++ b/Documentation/devicetree/bindings/video/rockchip-lvds.txt > @@ -0,0 +1,59 @@ > +Rockchip RK3288 LVDS interface > +================================ > + > +Required properties: > +- compatible: "rockchip,rk3288-lvds"; > + > +- reg: physical base address of the controller and length > + of memory mapped region. > +- clocks: must include clock specifiers corresponding to entries in the > + clock-names property. > +- clock-names: must contain "pclk_lvds" > + > +- avdd1v0-supply: regulator phandle for 1.0V analog power > +- avdd1v8-supply: regulator phandle for 1.8V analog power > +- avdd3v3-supply: regulator phandle for 3.3V analog power > + > +- rockchip,grf: phandle to the general register files syscon > +- rockchip,panel: phandle to a panel node as described by > + Documentation/devicetree/bindings/panel/* Doesn't this duplicate the information provided by the ports ? > +- rockchip,data-mapping: should be "vesa" or "jeida", > + This describes how the color bits are laid out in the > + serialized LVDS signal. > +- rockchip,data-width : should be <18> or <24>; > +- rockchip,output: should be "rgb", "lvds" or "duallvds", > + This describes the output face. Isn't all this panel-dependent ? Could we query the information from the panel at runtime instead ? > +- ports: contain a port node with endpoint definitions as defined in > + Documentation/devicetree/bindings/media/video-interfaces.txt. > + > +Example: > + lvds: lvds@ff96c000 { > + compatible = "rockchip,rk3288-lvds"; > + rockchip,grf = <&grf>; > + reg = <0xff96c000 0x4000>; > + clocks = <&cru PCLK_LVDS_PHY>; > + clock-names = "pclk_lvds"; > + avdd1v0-supply = <&vdd10_lcd>; > + avdd1v8-supply = <&vcc18_lcd>; > + avdd3v3-supply = <&vcca_33>; > + rockchip,panel = <&panel>; > + rockchip,data-mapping = "jeida"; > + rockchip,data-width = <24>; > + rockchip,output = "rgb"; > + ports { > + lvds_in: port { > + #address-cells = <1>; > + #size-cells = <0>; > + lvds_in_vopb: endpoint@0 { > + reg = <0>; > + remote-endpoint = <&vopb_out_lvds>; > + }; > + lvds_in_vopl: endpoint@1 { > + reg = <1>; > + remote-endpoint = <&vopl_out_lvds>; > + }; > + }; > + }; > + };
diff --git a/Documentation/devicetree/bindings/video/rockchip-lvds.txt b/Documentation/devicetree/bindings/video/rockchip-lvds.txt new file mode 100644 index 0000000..1616d7e --- /dev/null +++ b/Documentation/devicetree/bindings/video/rockchip-lvds.txt @@ -0,0 +1,59 @@ +Rockchip RK3288 LVDS interface +================================ + +Required properties: +- compatible: "rockchip,rk3288-lvds"; + +- reg: physical base address of the controller and length + of memory mapped region. +- clocks: must include clock specifiers corresponding to entries in the + clock-names property. +- clock-names: must contain "pclk_lvds" + +- avdd1v0-supply: regulator phandle for 1.0V analog power +- avdd1v8-supply: regulator phandle for 1.8V analog power +- avdd3v3-supply: regulator phandle for 3.3V analog power + +- rockchip,grf: phandle to the general register files syscon +- rockchip,panel: phandle to a panel node as described by + Documentation/devicetree/bindings/panel/* + +- rockchip,data-mapping: should be "vesa" or "jeida", + This describes how the color bits are laid out in the + serialized LVDS signal. +- rockchip,data-width : should be <18> or <24>; +- rockchip,output: should be "rgb", "lvds" or "duallvds", + This describes the output face. + +- ports: contain a port node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: + lvds: lvds@ff96c000 { + compatible = "rockchip,rk3288-lvds"; + rockchip,grf = <&grf>; + reg = <0xff96c000 0x4000>; + clocks = <&cru PCLK_LVDS_PHY>; + clock-names = "pclk_lvds"; + avdd1v0-supply = <&vdd10_lcd>; + avdd1v8-supply = <&vcc18_lcd>; + avdd3v3-supply = <&vcca_33>; + rockchip,panel = <&panel>; + rockchip,data-mapping = "jeida"; + rockchip,data-width = <24>; + rockchip,output = "rgb"; + ports { + lvds_in: port { + #address-cells = <1>; + #size-cells = <0>; + lvds_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_lvds>; + }; + lvds_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_lvds>; + }; + }; + }; + };