Messages in this thread | | | Date | Tue, 3 Jul 2018 12:25:59 -0600 | From | Rob Herring <> | Subject | Re: [PATCH v4 1/2] devicetree/bindings: display: Add document for rockchip RGB output |
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On Tue, Jun 26, 2018 at 03:15:39PM +0800, Sandy Huang wrote: > This path add support rv1108 and px30 rgb output interface driver.
Bindings are for h/w, not drivers.
> > Signed-off-by: Sandy Huang <hjc@rock-chips.com> > Link: https://patchwork.freedesktop.org/patch/msgid/1509522765-118759-1-git-send-email-hjc@rock-chips.com > --- > > Changes in v4: Add support px30 > Changes in v3: None > Changes in v2: None > > .../bindings/display/rockchip/rockchip-rgb.txt | 73 ++++++++++++++++++++++ > 1 file changed, 73 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt > > diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt > new file mode 100644 > index 0000000..077b9ad > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-rgb.txt > @@ -0,0 +1,73 @@ > +Rockchip RV1108 RGB interface > +================================ > + > +Required properties: > +- compatible: matching the soc type: > + - "rockchip,px30-rgb"; > + - "rockchip,rv1108-rgb";
This doesn't look right? What (and how) is getting programmed here because you don't have any register interface.
> + > +Optional properties: > +- pinctrl-names: should be a "lcdc" entry or a "default" entry. > +- pinctrl-0: pin control group to be used for this interface. > + > +The rgb has two video ports described by: > + Documentation/devicetree/bindings/media/video-interfaces.txt > +Their connections are modeled using the OF graph bindings specified in > + Documentation/devicetree/bindings/graph.txt. > + > +- video port 0 for the VOP input, the remote endpoint maybe vopb/vopl/vop
So there is a mux for these inputs and they are switched with pinctrl?
Just put the pinctrl nodes of the sources and enable whichever one is active.
Rob
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