10.2. Features
The MUSB OTG and EHCI drivers supports a significant subset of all the features
provided by the USB controller. The following section discusses the supported
and unsupported features in this release.
10.2.1. Supported
The Driver supports the following features for MUSB OTG port:
•
•
•
•
•
•
•
•
•
•
10.2.2. Not supported
The following features are not currently supported by driver:
•
10.2.2.1. Limitations
•
•
Version 02.01.01.08
Can be built in-kernel (part of vmlinux) as well as a driver module
(musb_hdrc.ko).
Audio Class in Host mode.
Video Class in Host mode.
Mass Storage Class in Host mode.
Mass Storage Class in Gadget mode.
Hub Class in Host mode.
Human Interface Devices (HID) in Host mode.
Communication Device Class (CDC) in Gadget mode.
Remote Network Driver Interface Specification (RNDIS) Gadget support.
OTG support which includes support for Host Negotiation Protocol (HNP)
and Session Request Protocol (SRP).
OHCI support as Mistral daughter card doesn't have OHCI port.
There is a limitation in the power that is supplied by the charge pump.
Driver doesn't behave as expected when power management is enabled.
Platform Support Products
USB Driver
Features
185