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.