| Message ID | 1535451894-2518-5-git-send-email-dkos@cadence.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | drm: add support for Cadence MHDP DPI/DP bridge. | expand |
On Tue, 28 Aug 2018 11:24:47 +0100, Damian Kos wrote: > From: Quentin Schulz <quentin.schulz@bootlin.com> > > Signed-off-by: Damian Kos <dkos@cadence.com> > --- > .../bindings/display/bridge/cdns,mhdp.txt | 43 +++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt > Reviewed-by: Rob Herring <robh@kernel.org>
On 28.08.2018 12:24, Damian Kos wrote: > From: Quentin Schulz <quentin.schulz@bootlin.com> > > Signed-off-by: Damian Kos <dkos@cadence.com> No commit message, no author's signoff. -- Regards Andrzej > --- > .../bindings/display/bridge/cdns,mhdp.txt | 43 +++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt > > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt > new file mode 100644 > index 000000000000..f8334c520b98 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt > @@ -0,0 +1,43 @@ > +Cadence MHDP bridge > +========================== > + > +The Cadence MHDP bridge is a DPI to DP bridge. > + > +Required properties: > +- compatible: should be "cdns,mhdp8546", > +- reg: physical base address and length of the controller's registers, > +- clocks: DP bridge clock, it's used by the IP to know how to translate > + a number of clock cycles into a time (which is used to comply > + with DP standard timings and delays), > + > +Required subnodes: > +- ports: Ports as described in Documentation/devictree/bindings/graph.txt > + Port 0 - input port representing the DP bridge input > + Port 1 - output port representing the DP bridge output > + > +Example: > + > + mhdp: dp-bridge@f0fb000000 { > + compatible = "cdns,mhdp8546"; > + reg = <0xf0 0xfb000000 0x0 0x1000000>; > + clocks = <&mhdp_clock>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dp_bridge_input: endpoint { > + remote-endpoint = <&xxx_dpi_output>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dp_bridge_output: endpoint { > + remote-endpoint = <&xxx_dp_connector_input>; > + }; > + }; > + }; > + };
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt new file mode 100644 index 000000000000..f8334c520b98 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.txt @@ -0,0 +1,43 @@ +Cadence MHDP bridge +========================== + +The Cadence MHDP bridge is a DPI to DP bridge. + +Required properties: +- compatible: should be "cdns,mhdp8546", +- reg: physical base address and length of the controller's registers, +- clocks: DP bridge clock, it's used by the IP to know how to translate + a number of clock cycles into a time (which is used to comply + with DP standard timings and delays), + +Required subnodes: +- ports: Ports as described in Documentation/devictree/bindings/graph.txt + Port 0 - input port representing the DP bridge input + Port 1 - output port representing the DP bridge output + +Example: + + mhdp: dp-bridge@f0fb000000 { + compatible = "cdns,mhdp8546"; + reg = <0xf0 0xfb000000 0x0 0x1000000>; + clocks = <&mhdp_clock>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dp_bridge_input: endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + + port@1 { + reg = <1>; + dp_bridge_output: endpoint { + remote-endpoint = <&xxx_dp_connector_input>; + }; + }; + }; + };