Based on kernel version 3.12. Page generated on 2013-11-13 21:57 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 : Contains a single entry which defines the USB controller's clock. 12 13 Optional properties: 14 - nvidia,needs-double-reset : boolean is to be set for some of the Tegra20 15 USB ports, which need reset twice due to hardware issues.