[U-Boot] 答复: [EXT] Re: Upstreaming usb host drivers for iMX8/iMX8M

Tue Jul 2 01:26:19 UTC 2019

+ Ying

> -----邮件原件-----
> 发件人: Igor Opaniuk <igor.opaniuk at gmail.com>
> 发送时间: 2019年7月1日 19:32
> 收件人: Sherry Sun <sherry.sun at nxp.com>
> 抄送: Peng Fan <peng.fan at nxp.com>; Jun Li <jun.li at nxp.com>; Ye Li
> <ye.li at nxp.com>; U-Boot Mailing List <u-boot at lists.denx.de>; Peter Chen
> <peter.chen at nxp.com>; dl-uboot-imx <uboot-imx at nxp.com>; Marcel Ziswiler
> <marcel.ziswiler at toradex.com>; Max Krummenacher
> <max.krummenacher at toradex.com>; Igor Opaniuk
> <igor.opaniuk at toradex.com>; Frank Li <frank.li at nxp.com>
> 主题: [EXT] Re: Upstreaming usb host drivers for iMX8/iMX8M
> 
> Caution: EXT Email
> 
> Hi Sherry,
> 
> On Fri, Jun 28, 2019 at 8:02 AM Sherry Sun <sherry.sun at nxp.com> wrote:
> >
> > Hi, Igor
> >
> > We have the plan to do the upstream job of cdns3 host/gadget drivers on
> imx8.
> > Now we just have done the DM switch of cdns3 gadget driver, and there
> > also some changes in xhci_imx8.c.
> Thanks for the details!
> 
> > We plan to start our upstream job from next week, and the first
> > version will be send to maintainer within two or three weeks. We hope
> > it will be included in uboot v2019.07 RC2.
> I'm afraid we're a bit late here.
> v2019.07 is going to be released next Monday (there was a release of
> v2019.07-rc4 already in June 11), so the next merge window for
> v2019.10 opens July 9.

Yes, you are right. 
Anyway, I will try my best and finish the upstream job as soon as possible.

> > Do you think this is okay?
> Sounds good! Looking forward to your patches in the mailing list!
> 
> >
> > Best regards
> > Sherry sun
> >
> >
> Just a bit off-topic, but are you aware about similar plans for upstreaming of
> DPU driver for i.MX8 (driver/video/imxdpuv1.c)?

Sorry, I am not quite sure. 
Ying knows more about this. Maybe he can answer you.

Best regards
Sherry sun

> > -----邮件原件-----
> > 发件人: Peng Fan
> > 发送时间: 2019年6月27日 17:58
> > 收件人: Igor Opaniuk <igor.opaniuk at gmail.com>; Sherry Sun
> > <sherry.sun at nxp.com>; Jun Li <jun.li at nxp.com>
> > 抄送: U-Boot Mailing List <u-boot at lists.denx.de>; Ye Li <ye.li at nxp.com>;
> > Peter Chen <peter.chen at nxp.com>; dl-uboot-imx <uboot-imx at nxp.com>;
> > Marcel Ziswiler <marcel.ziswiler at toradex.com>; Max Krummenacher
> > <max.krummenacher at toradex.com>; Igor Opaniuk
> > <igor.opaniuk at toradex.com>; Frank Li <frank.li at nxp.com>
> > 主题: RE: Upstreaming usb host drivers for iMX8/iMX8M
> >
> > + Sherry, Jun
> >
> > > Subject: Re: Upstreaming usb host drivers for iMX8/iMX8M
> > >
> > > Hi Peng,
> > >
> > > On Thu, Jun 27, 2019 at 8:32 AM Peng Fan <peng.fan at nxp.com> wrote:
> > > >
> > > >
> > > > Hi Igor,
> > > >
> > > > > Subject: Upstreaming usb host drivers for iMX8/iMX8M
> > > > >
> > > > > Hi Peng, Ye, Peter,
> > > > >
> > > > > Currently there in no any usb host/gadget support in the
> > > > > mainline U-boot, and seems that no one has posted anything yet
> > > > > to the mailing list (at least I haven't found anything related to this in the
> ML archives).
> > > > >
> > > > > I've spent some time testing (usb host, ums etc.) the one in the
> > > > > downstream NXP U-boot (I'm still not sure where is the official
> > > > > NXP downstream rep, because there are no any updates in [1] for
> > > > > the last two years, so I looked into [2], [3]), and just curious
> > > > > if there any plans to get it upstreamed in the near future?
> > > >
> > > > In NXP downstream, there is work to migrate the i.MX8 usb/gadget to
> DM.
> > > > When that ready, the patches will be posted to community.
> > >
> > > So do you need any help with this?
> >
> > I am not working on that. But I welcome any contribution to make more
> features supported in upstream.
> >
> > Won't you mind if we start up-streaming at
> > > least xhci-imx8.c, which is used in both our SoMs Apalis iMX8 and
> > > Colibri iMX8QXP. Based on what I've seen in [1], the initial
> > > conversion to DM_USB is already done. Is there anything else that is
> > > expected to be changed in xhci-imx8.c (by asking this I just want to avoid
> duplicating the effort)?
> >
> > Sherry, Jun has some work on the driver. So they might have comments to
> avoid duplicating efforts, in case they has plan recently.
> >
> > Regards,
> > Peng.
> >
> > >
> > > Frankly, this is currently a kind of showstopper for us, as it adds
> > > some complications for the next release of our BSP (we would like to
> > > enable usb host/gadget support or iMX8-based SoMS, including all
> > > dependent features like fastboot/usb storage/ums etc.), where we
> > > made a decision to move towards the usage of the mainline U-boot
> > > (with the minimal divergence and minimal amount of legacy downstream
> patches on top of it).
> > >
> > > >
> > > >
> > > > Regards,
> > > > Peng.
> > > >
> > > > >
> > > > > Thanks and looking forward to your reply!
> > > > >
> > > > > [1]
> > > > > https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2
> > > > >
> Fgit.free&data=02%7C01%7Csherry.sun%40nxp.com%7C67623cb689cf
> > > > >
> 479bb27608d6fe17c430%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C
> 0%
> > > > >
> 7C636975775374207078&sdata=FLmaX%2Bg0SGJS%2B0qiFF7Mq%2BAA
> TLc
> > > > > FEnPv%2FRF530WY%2B%2FY%3D&reserved=0
> > > > >
> > >
> scale.com%2Fgit%2Fcgit.cgi%2Fimx%2Fuboot-imx.git&data=02%7C01%
> > > > >
> > >
> 7Cpeng.fan%40nxp.com%7Ccb5c23c8a4764b489d6308d6fa32e9cf%7C686ea
> > > > >
> > >
> 1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636971493909583933&
> > > > >
> > >
> sdata=HcUVX2n%2BdzUNtkuF%2BC4IoFRuMtZpZpJvBpwoqk20Lrk%3D&
> > > > > reserved=0
> > > > > [2]
> > > > > https://source
> > > > > .codeaurora.org%2Fexternal%2Fimx%2Fuboot-imx%2Ftree%2Fdrivers%
> 2F
> > > usb
> > > > > %2Fhost%2Fxhci-imx8m.c%3Fh%3Dimx_v2017.03_4.9.88_imx8qxp_be
> ta
> > > 2&a
> > > > >
> > >
> mp;data=02%7C01%7Cpeng.fan%40nxp.com%7Ccb5c23c8a4764b489d6308d
> > > > >
> > >
> 6fa32e9cf%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C6369714
> > > > >
> > >
> 93909583933&sdata=Dvp5XlU8Zcj9wJJ2cvD8taPCbitVKVjpGyyFHonTF%
> > > > > 2Bs%3D&reserved=0
> > > > > [3]
> > > > > https://source
> > > > > .codeaurora.org%2Fexternal%2Fimx%2Fuboot-imx%2Ftree%2Fdrivers%
> 2F
> > > usb
> > > > > %2Fhost%2Fxhci-imx8.c%3Fh%3Dimx_v2017.03_4.9.88_imx8qxp_beta
> 2
> > > &am
> > > > >
> > >
> p;data=02%7C01%7Cpeng.fan%40nxp.com%7Ccb5c23c8a4764b489d6308d6f
> > > > >
> > >
> a32e9cf%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C63697149
> > > > >
> > >
> 3909583933&sdata=v5%2FiQYxvpLLPjj5QcHQ8dC8RfoFkNVfMbKQ79rW
> > > > > wV4c%3D&reserved=0
> > > > >
> > > > > --
> > > > > Best regards - Freundliche Grüsse - Meilleures salutations
> > > > >
> > > > > Igor Opaniuk
> > > > >
> > > > > mailto: igor.opaniuk at gmail.com
> > > > > skype: igor.opanyuk
> > > > > +380 (93) 836 40 67
> > > > > https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2
> > > > >
> Fua.linke&data=02%7C01%7Csherry.sun%40nxp.com%7C67623cb689cf
> > > > >
> 479bb27608d6fe17c430%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C
> 0%
> > > > >
> 7C636975775374207078&sdata=Qc0lf9KpO%2BVWZ%2B8uReT6q%2FeP
> U2V
> > > > > hYR%2BTGmDgB6tB4RQ%3D&reserved=0
> > > > >
> > >
> din.com%2Fin%2Fiopaniuk&data=02%7C01%7Cpeng.fan%40nxp.com%7
> > > > >
> > >
> Ccb5c23c8a4764b489d6308d6fa32e9cf%7C686ea1d3bc2b4c6fa92cd99c5c30
> > > > >
> > >
> 1635%7C0%7C0%7C636971493909583933&sdata=gwm7kV8EAYWThz3
> > > > > %2FtbvYc9ahqla2OkcR83MRmY5DK%2FI%3D&reserved=0
> > >
> > > [1]
> > > https://sour
> > > ce
> > > .codeaurora.org%2Fexternal%2Fimx%2Fuboot-imx%2Ftree%2Fdrivers%2Fu
> sb
> > > %2Fhost%2Fxhci-imx8.c%3Fh%3Dimx_v2018.03_4.14.98_2.0.0_ga&d
> at
> > >
> a=02%7C01%7Cpeng.fan%40nxp.com%7C90eb5afad5b64cf5cf6508d6fae4b7
> > >
> df%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C6369722575870
> > >
> 57999&sdata=Mx4L36CP4BhQ4%2FwKMmuVxhAU4DwruU7BmMBNsJ3
> > > HTxI%3D&reserved=0
> > >
> > > Thanks!
> > >
> > > --
> > > Best regards - Freundliche Grüsse - Meilleures salutations
> > >
> > > Igor Opaniuk
> > >
> > > mailto: igor.opaniuk at gmail.com
> > > skype: igor.opanyuk
> > > +380 (93) 836 40 67
> > > http://ua.li
> > > nke
> > >
> din.com%2Fin%2Fiopaniuk&data=02%7C01%7Cpeng.fan%40nxp.com%7
> > >
> C90eb5afad5b64cf5cf6508d6fae4b7df%7C686ea1d3bc2b4c6fa92cd99c5c301
> > >
> 635%7C0%7C0%7C636972257587057999&sdata=q1vfYLbOx5FRqz9CV6
> > > ue0rWAb59pa%2FgNUnjQd2fTQwg%3D&reserved=0
> 
> Thanks!
> Regards,
> Igor
> 
> --
> Best regards - Freundliche Grüsse - Meilleures salutations
> 
> Igor Opaniuk
> 
> mailto: igor.opaniuk at gmail.com
> skype: igor.opanyuk
> +380 (93) 836 40 67
> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fua.linke
> din.com%2Fin%2Fiopaniuk&data=02%7C01%7Csherry.sun%40nxp.com%
> 7C67623cb689cf479bb27608d6fe17c430%7C686ea1d3bc2b4c6fa92cd99c5c3
> 01635%7C0%7C0%7C636975775374207078&sdata=ydwXDkAA%2BoqTe
> BPk7MPdzz33avweIWi6eBr5C%2B6HRsQ%3D&reserved=0