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Commit af91b745 authored by Dov Levenglick's avatar Dov Levenglick
Browse files

usb: phy-msm: add ssusb-qmp device tree binding spec 



Add a device tree binding spec for the usb-ssphy-qmp phy.

Change-Id: I203edd9a86896b46540fa64f57772695b4becbdb
Signed-off-by: default avatarDov Levenglick <dovl@codeaurora.org>
parent 8479023b

Documentation/devicetree/bindings/usb/msm-phy.txt

+28 −0
Original line number Diff line number Diff line
@@ -75,3 +75,31 @@ Example: 
		qcom,vdd-voltage-level = <1 5 7>;

		qcom,deemphasis-value = <26>;

	};



SSUSB-QMP PHY



Required properties:

 - compatible: Should be "qcom,usb-ssphy-qmp"

 - reg: Address and length of the register set for the device

 - <supply-name>-supply: phandle to the regulator device tree node

   Required "supply-name" examples are:

	"vdd" : vdd supply for SSPHY digital circuit operation

	"vdda18" : 1.8v high-voltage analog supply for SSPHY

 - qcom,vdd-voltage-level: This property must be a list of three integer

   values (no, min, max) where each value represents either a voltage in

   microvolts or a value corresponding to voltage corner



Optional properties:

 - qcom,vbus-valid-override: If present, indicates VBUS pin is not connected to

   the USB PHY and the controller must rely on external VBUS notification in

   order to manually relay the notification to the SSPHY.



Example:

	ssphy0: ssphy@f9b38000 {

		compatible = "qcom,usb-ssphy-qmp";

		reg = <0xf9b38000 0x16c>;

		vdd-supply = <&pmd9635_l4>;

		vdda18-supply = <&pmd9635_l8>;

		qcom,vdd-voltage-level = <0 900000 1050000>;

		qcom,vbus-valid-override;

	};