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.../devicetree/bindings/phy/phy-cadence-dp.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-cadence-dp.txt diff --git a/Documentation/devicetree/bindings/phy/phy-cadence-dp.txt b/Documentation/devicetree/bindings/phy/phy-cadence-dp.txt new file mode 100644 index 0000000..8de0526 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-cadence-dp.txt @@ -0,0 +1,28 @@ +Cadence MHDP DisplayPort SD0801 PHY binding +=========================================== + +This binding describes the Cadence SD0801 PHY hardware included with +the Cadence MHDP DisplayPort controller. + +------------------------------------------------------------------------------- +Required properties (controller (parent) node): +- compatible : Should be "cdns,dp-phy" +- reg : Defines the following sets of registers in the parent + mhdp device: + - Offset of the DPTX PHY configuration registers + - Offset of the SD0801 PHY configuration registers +- num_lanes : Number of DisplayPort lanes to use (1, 2 or 4) +- max_bit_rate : Maximum DisplayPort link bit rate to use, in Mbps (2160, + 2430, 2700, 3240, 4320, 5400 or 8100) +- #phy-cells : from the generic PHY bindings, must be 0. +------------------------------------------------------------------------------- + +Example: + dp_phy: phy@f0fb030a00 { + compatible = "cdns,dp-phy"; + reg = <0xf0 0xfb030a00 0x0 0x00000040>, + <0xf0 0xfb500000 0x0 0x00100000>; + num_lanes = <4>; + max_bit_rate = <8100>; + #phy-cells = <0>; + }; -- 2.2.2