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Documentation: bindings: add doc for the USB2 ChipIdea USB driver

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Document the USB2 ChipIdea driver (ci13xxx) bindings.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Antoine Tenart 2014-11-26 13:44:37 +08:00 committed by Greg Kroah-Hartman
parent 10a062cefc
commit d7d30c911d
1 changed files with 24 additions and 0 deletions
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Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt Normal file
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* USB2 ChipIdea USB controller for ci13xxx
Required properties:
- compatible: should be "chipidea,usb2"
- reg: base address and length of the registers
- interrupts: interrupt for the USB controller
Optional properties:
- clocks: reference to the USB clock
- phys: reference to the USB PHY
- phy-names: should be "usb-phy"
- vbus-supply: reference to the VBUS regulator
Example:
usb@f7ed0000 {
compatible = "chipidea,usb2";
reg = <0xf7ed0000 0x10000>;
interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&chip CLKID_USB0>;
phys = <&usb_phy0>;
phy-names = "usb-phy";
vbus-supply = <&reg_usb0_vbus>;
};