Re: [PATCH v10 09/17] dt-bindings: add document for rockchip variant of analogix_dp

[Yakir Yang]

On 11/01/2015 02:37 AM, Rob Herring wrote:
> On Sat, Oct 31, 2015 at 1:42 AM, Yakir Yang <ykk@xxxxxxxxxxxxxx> wrote:
> > Rockchip DP driver is a helper driver of analogix_dp coder driver,
> > so most of the DT property should be descriped in analogix_dp document.
> >
> > Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
> > Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
Thanks,

- Yakir
> > ---
> > Changes in v10:
> > - Removed the duplicated signed-of.
> >
> > Changes in v9:
> > - Document more details for 'ports' property.
> >
> > Changes in v8:
> > - Modify the commit subject name. (Heiko)
> >
> > Changes in v7: None
> > Changes in v6: None
> > Changes in v5:
> > - Split binding doc's from driver changes. (Rob)
> > - Add eDP hotplug pinctrl property. (Heiko)
> >
> > Changes in v4: None
> > Changes in v3: None
> > Changes in v2: None
> >
> >   .../display/rockchip/analogix_dp-rockchip.txt      | 91 ++++++++++++++++++++++
> >   1 file changed, 91 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
> >
> > diff --git a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
> > new file mode 100644
> > index 0000000..dae86c4
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
> > @@ -0,0 +1,91 @@
> > +Rockchip RK3288 specific extensions to the Analogix Display Port
> > +================================
> > +
> > +Required properties:
> > +- compatible: "rockchip,rk3288-edp";
> > +
> > +- reg: physical base address of the controller and length
> > +
> > +- clocks: from common clock binding: handle to dp clock.
> > +         of memory mapped region.
> > +
> > +- clock-names: from common clock binding:
> > +              Required elements: "dp" "pclk"
> > +
> > +- resets: Must contain an entry for each entry in reset-names.
> > +         See ../reset/reset.txt for details.
> > +
> > +- pinctrl-names: Names corresponding to the chip hotplug pinctrl states.
> > +- pinctrl-0: pin-control mode. should be <&edp_hpd>
> > +
> > +- reset-names: Must include the name "dp"
> > +
> > +- rockchip,grf: this soc should set GRF regs, so need get grf here.
> > +
> > +- ports: there are 2 port nodes with endpoint definitions as defined in
> > +  Documentation/devicetree/bindings/media/video-interfaces.txt.
> > +    Port 0: contained 2 endpoints, connecting to the ouput of vop.
> > +    Port 1: contained 1 endpoint, connecting to the input of panel.
> > +
> > +For the below properties, please refer to Analogix DP binding document:
> > + * Documentation/devicetree/bindings/drm/bridge/analogix_dp.txt
> > +- phys (required)
> > +- phy-names (required)
> > +- hpd-gpios (optional)
> > +-------------------------------------------------------------------------------
> > +
> > +Example:
> > +       dp-controller: dp@ff970000 {
> > +               compatible = "rockchip,rk3288-dp";
> > +               reg = <0xff970000 0x4000>;
> > +               interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
> > +               clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>;
> > +               clock-names = "dp", "pclk";
> > +               phys = <&dp_phy>;
> > +               phy-names = "dp";
> > +
> > +               rockchip,grf = <&grf>;
> > +               resets = <&cru 111>;
> > +               reset-names = "dp";
> > +
> > +               pinctrl-names = "default";
> > +               pinctrl-0 = <&edp_hpd>;
> > +
> > +               status = "disabled";
> > +
> > +               ports {
> > +                       #address-cells = <1>;
> > +                       #size-cells = <0>;
> > +                       edp_in: port@0 {
> > +                               reg = <0>;
> > +                               #address-cells = <1>;
> > +                               #size-cells = <0>;
> > +                               edp_in_vopb: endpoint@0 {
> > +                                       reg = <0>;
> > +                                       remote-endpoint = <&vopb_out_edp>;
> > +                               };
> > +                               edp_in_vopl: endpoint@1 {
> > +                                       reg = <1>;
> > +                                       remote-endpoint = <&vopl_out_edp>;
> > +                               };
> > +                       };
> > +
> > +                       edp_out: port@1 {
> > +                               reg = <1>;
> > +                               #address-cells = <1>;
> > +                               #size-cells = <0>;
> > +                               edp_out_panel: endpoint {
> > +                                       reg = <0>;
> > +                                       remote-endpoint = <&panel_in_edp>
> > +                               };
> > +                       };
> > +               };
> > +       };
> > +
> > +       pinctrl {
> > +               edp {
> > +                       edp_hpd: edp-hpd {
> > +                               rockchip,pins = <7 11 RK_FUNC_2 &pcfg_pull_none>;
> > +                       };
> > +               };
> > +       };
> > --
> > 1.9.1


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