Support for Qualcomm QSD/MSM on-chip EHCI USB controller

modulename: ehci-msm.ko

configname: CONFIG_USB_EHCI_MSM

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>Support for Qualcomm QSD/MSM on-chip EHCI USB controller
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
Enables support for the USB Host controller present on the
Qualcomm chipsets. Root Hub has inbuilt TT.
This driver depends on OTG driver for PHY initialization,
clock management, powering up VBUS, and power management.
This driver is not supported on boards like trout which
has an external PHY.

source code: