> > > > On 17.04.2012 12:15, Marek Vasut wrote: > > > This patchset introduces the USB Host driver for i.MX28 CPU, > utilising > > > the generic USB PHY infrastructure. > > > > Great, many thanks! > > Hey, this is still RFC and will need a great discussion. > > > > > Unfortunately, I lost the overview over the i.MXxx USB discussion ;) > > Well I put parts together from the old patchset, did some coding on my > own ... I > still have a few places where I'm very uncertain about so please, review > thoroughly. > > > > > Could this be used to add support for the mx53 and mx6, too? If yes, > > what do you think would be needed for this? > > Yes, that's the plan actually. But, isn't mx53 supported by ehci-mxc? I > thought > the USB PHY core from mx28 was then reused only in mx6q. > mx53 is still not supported by ehci-mxc. Yes, the mx28 and mx6q use the same PHY. > You'd have to add support for some clock handling probably (enabling the > USB > clock on mx53 and maybe some other clock, I'm not quite sure now without > the > manual), but that should be about it. The MX6q PHY on the other hand > looks quite > similar to mx28 so it should be easy hacking. > > > > > Best regards > > > > Dirk > > > > P.S.: What I read from the discussion: > > > > -- cut -- > > All recent Freescale SoC's USB controller are the same, they are mx23, > > mx25, mx28, mx31, mx35, mx37, mx50, mx51, mx53, and mx6. But, the > > transceiver is different between them > > * mx23, mx28, mx6 (Transceiver A) > > * mx25 mx31, mx35,mx37, mx50, mx51, mx53 (Transceiver B) > > -- cut -- > > > > > Marek Vasut (8): > > > MXS: Make clk_disable return integer > > > MXS: Add USB EHCI and USB PHY clock handling > > > MXS: Fixup i.MX233 USB base address name > > > MXS: Add platform registration hooks for USB EHCI > > > MXS: Add USB PHY driver > > > MXS: Add separate MXS EHCI HCD driver > > > MXS: Enable USB on M28EVK > > > MXS: Enable USB on MX28EVK > > > > > > arch/arm/mach-mxs/Kconfig | 4 + > > > arch/arm/mach-mxs/clock-mx28.c | 28 +- > > > arch/arm/mach-mxs/devices-mx28.h | 4 + > > > arch/arm/mach-mxs/devices/Kconfig | 3 + > > > arch/arm/mach-mxs/devices/Makefile | 1 + > > > arch/arm/mach-mxs/devices/platform-usb.c | 79 ++++++ > > > arch/arm/mach-mxs/include/mach/clock.h | 2 +- > > > arch/arm/mach-mxs/include/mach/devices-common.h | 9 + > > > arch/arm/mach-mxs/include/mach/mx23.h | 8 +- > > > arch/arm/mach-mxs/mach-m28evk.c | 10 + > > > arch/arm/mach-mxs/mach-mx28evk.c | 10 + > > > drivers/usb/host/Kconfig | 7 + > > > drivers/usb/host/ehci-hcd.c | 5 + > > > drivers/usb/host/ehci-mxs.c | 309 > > > +++++++++++++++++++++++ drivers/usb/otg/Kconfig > > > | 9 + > > > drivers/usb/otg/Makefile | 1 + > > > drivers/usb/otg/mxs-phy.c | 256 > > > +++++++++++++++++++ 17 files changed, 736 insertions(+), 9 > deletions(-) > > > create mode 100644 arch/arm/mach-mxs/devices/platform-usb.c > > > create mode 100644 drivers/usb/host/ehci-mxs.c > > > create mode 100644 drivers/usb/otg/mxs-phy.c > > > > > > Cc: Chen Peter-B29397 <B29397@xxxxxxxxxxxxx> > > > Cc: Detlev Zundel <dzu@xxxxxxx> > > > Cc: Fabio Estevam <festevam@xxxxxxxxx> > > > Cc: Li Frank-B20596 <B20596@xxxxxxxxxxxxx> > > > Cc: Lin Tony-B19295 <B19295@xxxxxxxxxxxxx> > > > Cc: Linux USB <linux-usb@xxxxxxxxxxxxxxx> > > > Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > > Cc: Shawn Guo <shawn.guo@xxxxxxxxxxxxx> > > > Cc: Shawn Guo <shawn.guo@xxxxxxxxxx> > > > Cc: Stefano Babic <sbabic@xxxxxxx> > > > Cc: Subodh Nijsure <snijsure@xxxxxxxxxxxx> > > > Cc: Tony Lin <tony.lin@xxxxxxxxxxxxx> > > > Cc: Wolfgang Denk <wd@xxxxxxx> > > Best regards, > Marek Vasut -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
