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phy: dt bindings: add NXP LPC18xx/43xx USB OTG PHY bindings 

Add binding documentation for NXP LPC18xx/43xx USB OTG PHY. This
PHY can found on NXP LPC18xx and LPC43xx devices with USB support.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Joachim Eastwood 2015-07-09 22:48:26 +02:00 committed by Kishon Vijay Abraham I
parent cbf919bd32
commit 2d69a115a9
1 changed files with 26 additions and 0 deletions
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Documentation/devicetree/bindings/phy/phy-lpc18xx-usb-otg.txt Normal file
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NXP LPC18xx/43xx internal USB OTG PHY binding
---------------------------------------------
This file contains documentation for the internal USB OTG PHY found
in NXP LPC18xx and LPC43xx SoCs.
Required properties:
- compatible : must be "nxp,lpc1850-usb-otg-phy"
- clocks : must be exactly one entry
See: Documentation/devicetree/bindings/clock/clock-bindings.txt
- #phy-cells : must be 0 for this phy
See: Documentation/devicetree/bindings/phy/phy-bindings.txt
The phy node must be a child of the creg syscon node.
Example:
creg: syscon@40043000 {
compatible = "nxp,lpc1850-creg", "syscon", "simple-mfd";
reg = <0x40043000 0x1000>;
usb0_otg_phy: phy@004 {
compatible = "nxp,lpc1850-usb-otg-phy";
clocks = <&ccu1 CLK_USB0>;
#phy-cells = <0>;
};
};