Document the bindings used for the Cadence DSI bridge.
Signed-off-by: Boris Brezillon boris.brezillon@free-electrons.com --- .../bindings/display/bridge/cdns,dsi.txt | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt new file mode 100644 index 000000000000..770c5c5b1e93 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt @@ -0,0 +1,55 @@ +Cadence DSI bridge +================== + +The Cadence DSI bridge is a DPI to DSI bridge supporting up to 4 DSI lanes. + +Required properties: +- compatible: should be set to "cdns,dsi". +- reg: physical base address and length of the controller's registers. +- interrupts: interrupt line connected to the DSI bridge. +- clocks: DSI bridge clocks. +- clock-names: must contain "pclk" and "sysclk". +- phys: phandle link to the MIPI D-PHY controller. +- phy-names: must contain "dphy". +- #address-cells: must be set to 1. +- #size-cells: must be set to 0. + +Required subnodes: +- ports: Ports as described in Documentation/devicetree/bindings/graph.txt. + Currently contains a single input port at address 0 representing the DPI + input. Other ports will be added later to support the SDI inputs. + Port 0 should be connected to a DPI encoder output. +- one subnode per DSI device connected on the DSI bus. Each DSI device should + contain a reg property encoding its address on the bus. + +Example: + + dsi0: dsi@fd0c0000 { + compatible = "cdns,dsi"; + reg = <0x0 0xfd0c0000 0x0 0x1000>; + clocks = <&pclk>, <&sysclk>; + clock-names = "pclk", "hclk"; + interrupts = <1>; + phys = <&dphy1>; + phy-names = "dphy"; + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi0_dpi_input: endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + }; + + panel: dsi-dev@0 { + compatible = "<vendor,panel>"; + reg = <0>; + }; + }; +