From: Quentin Schulz quentin.schulz@free-electrons.com
Document the bindings used for the Cadence MHDP DPI/DP bridge.
Signed-off-by: Quentin Schulz quentin.schulz@free-electrons.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
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>; + }; + }; + }; + };