Messages in this thread | | | Date | Tue, 31 Mar 2015 20:56:54 +0530 | From | Kishon Vijay Abraham I <> | Subject | Re: [PATCH 2/2] phy: driver for Conexant Digicolor internal USB PHY |
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Hi,
On Tuesday 31 March 2015 05:04 PM, Baruch Siach wrote: > Hi Marek, > > On Sat, Mar 28, 2015 at 04:33:02PM +0100, Marek Vasut wrote: >> On Friday, March 27, 2015 at 05:36:29 AM, Baruch Siach wrote: >>> Add a driver for the USB PHY on the Conexant CX92755 SoC, from the >>> Digicolor series of SoCs. The PHY is connected to the on-chip chipidea >>> usb2 host. >>> >>> The hardware is somewhat similar to the phy-mxs-usb.c usb_phy, but it is >>> different enough to merit its own driver. Also, this driver uses the >>> generic phy infrastructure. >> >> the register set looks very similar to MXS one indeed. How is it different >> please ? > > Almost of the bits that are defined in the MXS USBPHY_CTRL register are not > defined in the Digicolor one. Some have different meaning, and some are > reserved. OTOH, the Digicolor USBPHY_CTRL register uses all bits in the 1-13 > range. Also, the Digicolor phy does not have anatop registers.
I think we should try adding support for this in the same driver.
Thanks Kishon
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