On Mon, Aug 18, 2014 at 10:07:10PM +0200, Stefan Agner wrote: > This patchset adds USB support for Vybrid VF610 SoC. It extends the > clock framework to support the USB PHY cocks, extends the device > tree files and adds support for the non-core registers in the > usbmisc_imx driver. > > This patchset needs the eSDHC registers length fix available in > Shawn's for-next branch, since that overlapped by chance the USB > areas. > > The whole patchset proved to be working on a Colibri VF61 and > Freescale Tower VF65GS10. The first USB controller runs in > peripheral mode. I could successfully use RNDIS, however with some > stability issues: Suddenly the other side was not reachable anymore > and the interface needed to brought down and back up again. I'm > still investigating this. > > The second USB controller, running in USB host mode, showed errors > when connecting devices behind a USB hub: > > [ 215.163507] usb usb1-port1: cannot reset (err = -32) > [ 215.170498] usb usb1-port1: cannot reset (err = -32) > [ 215.185120] usb usb1-port1: cannot reset (err = -32) > [ 215.191345] usb usb1-port1: cannot reset (err = -32) > [ 215.202487] usb usb1-port1: cannot reset (err = -32) > [ 215.207718] usb usb1-port1: Cannot enable. Maybe the USB cable is bad? > [ 215.219317] usb usb1-port1: unable to enumerate USB device > > By extending the PHY driver with the MXS_PHY_NEED_IP_FIX flag, this > issue is resolved. > > Resend, also added Felipe Balbi this time, sorry about that. I think > I only miss the Ack/Review from you here and then things should be > fine. > > Changes in v2: > - Extended usbmisc_imx to support multiple instances > - Update DT documentation and compatible strings where necessary > - Add USB PHY flag MXS_PHY_NEED_IP_FIX > - Added patches to enable USB on Tower > > Stefan Agner (7): > ARM: dts: vf610: Add USB PHY and controller > ARM: imx: clk-vf610: Add USBPHY clocks > usb: phy: mxs: Add VF610 USB PHY support > ARM: dts: vf610: Add usbmisc for non-core registers > chipidea: usbmisc_imx: Add USB support for VF610 SoCs This driver change is already at my tree, but it is too late for 3.17-rc1 when you sent, so I sent it to greg for v3.18. Peter > ARM: dts: vf610-colibri: Add USB support > ARM: dts: vf610-twr: Add USB support > > Documentation/devicetree/bindings/usb/mxs-phy.txt | 1 + > .../devicetree/bindings/usb/usbmisc-imx.txt | 1 + > arch/arm/boot/dts/vf610-colibri.dts | 10 ++++ > arch/arm/boot/dts/vf610-twr.dts | 10 ++++ > arch/arm/boot/dts/vf610.dtsi | 60 ++++++++++++++++++++-- > arch/arm/mach-imx/clk-vf610.c | 12 ++++- > drivers/usb/chipidea/ci_hdrc_imx.c | 8 +++ > drivers/usb/chipidea/ci_hdrc_imx.h | 1 + > drivers/usb/chipidea/usbmisc_imx.c | 52 +++++++++++++++---- > drivers/usb/phy/phy-mxs-usb.c | 6 +++ > include/dt-bindings/clock/vf610-clock.h | 5 +- > 11 files changed, 149 insertions(+), 17 deletions(-) > > -- > 2.0.4 > -- Best Regards, Peter Chen -- 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
