Document the bindings used for the Cadence MHDP DPI/DP bridge.
Signed-off-by: Damian Kos <dkos@xxxxxxxxxxx>
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.../bindings/display/bridge/cdns,mhdp.txt | 39 ++++++++++++++++++++
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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 0000000..d872e26
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+Cadence MHDP bridge
+==========================
+
+The Cadence MHDP bridge is a DPI to DP bridge.
+
+Required properties:
+ - compatible: should be "cdns,mhdp",
+ - 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),
+ - clock-names: must be "clk",
+
+Required subnodes:
+ - ports: Ports as described in Documentation/devictree/bindings/graph.txt
+ Currently contains a single input port at address 0 representing the DPI
+ input.
+ Port 0 should be connected to a DPI encoder output.
+
+Example:
+
+ mhdp: mhdp@0xf0fb000000 {
+ compatible = "cdns,mhdp";
+ reg = <0xf0 0xfb000000 0x0 0x1000000>;
+ clocks = <&mhdp_clock>;
+ clock-names = "clk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ mhdp0_dpi_input: endpoint {
+ remote-endpoint = <&xxx_dpi_output>;
+ };
+ };
+ };
+ };
--
1.7.1
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