[U-Boot] [PATCH 0/3] USB: Add cadence USB3 gadget driver and host driver

[Peng Fan]

Igor,

> Subject: Re: [U-Boot] [PATCH 0/3] USB: Add cadence USB3 gadget driver and
> host driver
> 
> Hi Sherry,
> 
> On Tue, Jul 16, 2019 at 4:15 PM sherry sun <sherry.sun at nxp.com> wrote:
> >
> > From: Sherry Sun <sherry.sun at nxp.com>
> >
> > These patches introduce new Cadence USBSS driver to U-Boot.
> >
> > The first patch is to add the Cadence USB3 IP(CDNS3) driver for the
> > usb gadget, but the host mode is not supported now. The second patch
> > introduce the xhci-imx8 usb host driver separately. The cdns3 usb
> > gadget driver and xhci-imx8 host driver both use DM mode.
> >
> > The current driver has been validated on i.MX8 platform.
> >
> > Sherry Sun (3):
> >   USB: gadget: Add the cadence USB3 gadget driver
> >   USB: host: Add the USB3 host driver
> >   USB: gadget: core: introduce ->udc_set_speed() method
> >
> >  Makefile                              |    1 +
> >  drivers/usb/Kconfig                   |    2 +
> >  drivers/usb/cdns3/Kconfig             |   20 +
> >  drivers/usb/cdns3/Makefile            |    5 +
> >  drivers/usb/cdns3/cdns3-generic.c     |  176 ++
> >  drivers/usb/cdns3/cdns3-nxp-reg-def.h |  158 ++
> >  drivers/usb/cdns3/core.c              |  408 +++++
> >  drivers/usb/cdns3/core.h              |  129 ++
> >  drivers/usb/cdns3/dev-regs-macro.h    |  116 ++
> >  drivers/usb/cdns3/dev-regs-map.h      |  117 ++
> >  drivers/usb/cdns3/gadget-export.h     |   26 +
> >  drivers/usb/cdns3/gadget.c            | 2278
> +++++++++++++++++++++++++
> >  drivers/usb/cdns3/gadget.h            |  238 +++
> >  drivers/usb/cdns3/io.h                |   30 +
> >  drivers/usb/cdns3/linux-compat.h      |   16 +
> >  drivers/usb/gadget/epautoconf.c       |    4 +
> >  drivers/usb/gadget/gadget_chips.h     |    7 +
> >  drivers/usb/gadget/udc/Makefile       |    1 +
> >  drivers/usb/gadget/udc/udc-core.c     |   23 +
> >  drivers/usb/host/Kconfig              |    9 +
> >  drivers/usb/host/Makefile             |    1 +
> >  drivers/usb/host/xhci-imx8.c          |  311 ++++
> >  include/cdns3-uboot.h                 |   26 +
> >  include/linux/usb/gadget.h            |    5 +
> >  include/usb/imx8_usb3_reg_def.h       |  455 +++++
> >  scripts/Makefile.spl                  |    1 +
> >  26 files changed, 4563 insertions(+)
> >  create mode 100644 drivers/usb/cdns3/Kconfig  create mode 100644
> > drivers/usb/cdns3/Makefile  create mode 100644
> > drivers/usb/cdns3/cdns3-generic.c  create mode 100644
> > drivers/usb/cdns3/cdns3-nxp-reg-def.h
> >  create mode 100644 drivers/usb/cdns3/core.c  create mode 100644
> > drivers/usb/cdns3/core.h  create mode 100644
> > drivers/usb/cdns3/dev-regs-macro.h
> >  create mode 100644 drivers/usb/cdns3/dev-regs-map.h  create mode
> > 100644 drivers/usb/cdns3/gadget-export.h  create mode 100644
> > drivers/usb/cdns3/gadget.c  create mode 100644
> > drivers/usb/cdns3/gadget.h  create mode 100644 drivers/usb/cdns3/io.h
> > create mode 100644 drivers/usb/cdns3/linux-compat.h  create mode
> > 100644 drivers/usb/host/xhci-imx8.c  create mode 100644
> > include/cdns3-uboot.h  create mode 100644
> > include/usb/imx8_usb3_reg_def.h
> >
> > --
> > 2.17.1
> >
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> 
> Thanks for your patches!
> Taking into account that this series introduces a brand new driver, it would be
> really nice to also have proper device tree bindings in
> doc/device-tree-bindings (so I can at least quickly enable it for my board, test
> it and leave my T-b tags).

Currently there is also no linux upstream bindings for the new IP, so this
will be dedicated for U-Boot. In future when Linux is ready, need to migrate
to use Linux bindings.

To let you test the patchset, suggest Sherry to create a branch on github
or somewhere.

Regards,
Peng.

> 
> Thanks
> 
> --
> Best regards - Freundliche Grüsse - Meilleures salutations
> 
> Igor Opaniuk
> 
> mailto: igor.opaniuk at gmail.com
> skype: igor.opanyuk
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