On 05/25/2012 02:49 AM, Alexander Shishkin wrote:
Richard Zhao<richard.zhao@xxxxxxxxxxxxx> writes:
I'm not clear with the history. Does Chipidea only have one IP?
As far as their USB controllers go, there are several versions with
different features and register layouts, but essentially similar. I want
to support all of them with this driver. As for the other IPs designed
by chipidea -- I have no idea about those, but I don't think we should
care.
Regards,
--
Alex
As far as I know ARC created the IP and sold the IP for a few years
Then Transdimension bought the IP and sold it for years
Then Chipidea bought the IP
Then Mips bought Chipidea including the IP
and Mips sold the IP to Synopsys
It is a very nice ehci core, follows the intel spec very well, with
extensions to support high speed gadgets and otg. Several IP versions
were done and are in several SOC cores, especially ARM. I don't have a list.
Regards, Steve
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