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Documentation / devicetree / bindings / usb / nvidia,tegra20-ehci.txt




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Based on kernel version 3.15.4. Page generated on 2014-07-07 09:02 EST.

1	Tegra SOC USB controllers
2	
3	The device node for a USB controller that is part of a Tegra
4	SOC is as described in the document "Open Firmware Recommended
5	Practice : Universal Serial Bus" with the following modifications
6	and additions :
7	
8	Required properties :
9	 - compatible : Should be "nvidia,tegra20-ehci".
10	 - nvidia,phy : phandle of the PHY that the controller is connected to.
11	 - clocks : Must contain one entry, for the module clock.
12	   See ../clocks/clock-bindings.txt for details.
13	 - resets : Must contain an entry for each entry in reset-names.
14	   See ../reset/reset.txt for details.
15	 - reset-names : Must include the following entries:
16	   - usb
17	
18	Optional properties:
19	 - nvidia,needs-double-reset : boolean is to be set for some of the Tegra20
20	   USB ports, which need reset twice due to hardware issues.
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