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dt-bindings: usb: add DT binding for s3c2410 USB OHCI controller 

Adds the device tree bindings description for Samsung S3C2410 and
compatible USB OHCI controller.

Signed-off-by: Sergio Prado <sergio.prado@e-labworks.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Prado 2016-11-25 12:47:28 -02:00 committed by Greg Kroah-Hartman
parent 640308b72f
commit 4000188bda
1 changed files with 22 additions and 0 deletions
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Documentation/devicetree/bindings/usb/s3c2410-usb.txt Normal file
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Samsung S3C2410 and compatible SoC USB controller
OHCI
Required properties:
- compatible: should be "samsung,s3c2410-ohci" for USB host controller
- reg: address and lenght of the controller memory mapped region
- interrupts: interrupt number for the USB OHCI controller
- clocks: Should reference the bus and host clocks
- clock-names: Should contain two strings
"usb-bus-host" for the USB bus clock
"usb-host" for the USB host clock
Example:
usb0: ohci@49000000 {
compatible = "samsung,s3c2410-ohci";
reg = <0x49000000 0x100>;
interrupts = <0 0 26 3>;
clocks = <&clocks UCLK>, <&clocks HCLK_USBH>;
clock-names = "usb-bus-host", "usb-host";
};