Re: NXP NFC version and ACPI

From: Sedat Dilek <sedat.dilek@gmail.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
	linux-wireless@vger.kernel.org, linux-nfc@lists.01.org,
	oleg.zhurakivskyy@intel.com, clement.perrochaud@effinnov.com,
	charles.gorand@effinnov.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: NXP NFC version and ACPI
Date: Tue, 14 May 2019 08:56:30 +0200	[thread overview]
Message-ID: <CA+icZUVqqGtKGZQ8YkrwRMfNF91=YRFDdpr0f6xjYv-FEd+4KQ@mail.gmail.com> (raw)
In-Reply-To: <CA+icZUWLBjTtcFS0Fo8M5gSb90GbEUpetUgwr3fy=NxGAVqCyw@mail.gmail.com>

On Tue, May 14, 2019 at 8:52 AM Sedat Dilek <sedat.dilek@gmail.com> wrote:
>
> On Tue, May 14, 2019 at 8:43 AM Daniel Lezcano
> <daniel.lezcano@linaro.org> wrote:
> >
> > On 13/05/2019 22:15, Sedat Dilek wrote:
> > > On Wed, Dec 5, 2018 at 8:38 AM Daniel Lezcano <daniel.lezcano@linaro.org> wrote:
> > >>
> > >>
> > >> Hi,
> > >>
> > >> the discussion reference is on github [1].
> > >>
> > >> I acquired a Lenovo x280 with a NFC chip. It is unclear what chip is it
> > >> really, it is called NXP NPC300 which could be a PN7xxx chip range.
> > >>
> > >> A hacked version of an old deprecated out-of-tree module made the PN5xxx
> > >> to work with my laptop but I suspect it brought some subtle instability
> > >> on my system.
> > >>
> > >> Now it would be nice to have this correctly supported upstream.
> > >>
> > >> I dumped the ACPI DSDT table and got the id NXP1001. This one is not
> > >> listed in the match table of the nxp-nci driver.
> > >>
> > >>  - is the driver missing for the so called NXP NPC300 ?
> > >>  - should the NXP1001 matching string to be added to nxp-nci?
> > >>  - is my firmware sending me garbage ?
> > >>
> > >> Thanks in advance for any input
> > >>
> > >
> > > [ CC Andy ]
> > >
> > > Hi Daniel,
> > >
> > > I was able to get a NXP NPC300 NFC device run on Lenovo ThinkPad T470.
> > >
> > > Look at the patchset "[PATCH v2 00/12] NFC: nxp-nci: clean up and
> > > support new ID".
> > > I have tested on top of Linux v5.1.1.
> >
> > Hi Sedat,
> >
> > yes, I have them see. Thanks for letting me know.
> >
> > > Here I have set...
> > >
> > > scripts/config -m NFC_NCI -m NFC_NXP_NCI -m NFC_NXP_NCI_I2C -e
> > > PINCTRL_SUNRISEPOINT
> > >
> > > Please give this a try and report.
> >
> > My laptop is the first one I have with a NFC reader, so I'm not used to
> > test this as it was not working yet.
> >
> > I booted the machine with a 5.1.1, the series applied on top, and the
> > config options set as mentioned above.
> >
> > The nxp-nci kernel module is loaded and neard is installed.
> >
> > I used the sniffing tool with the command libnfc -d nfc0 -n but when
> > passing my NFC devices on the laptop's NFC mark, nothing happens.
> >
> > Is that correct?
> >
>
> Hi Daniel,
>
> I am new to the topic Linux NFC.
>
> I have installed neard (daemon) v0.16 and neard-tools from Debian/buster AMD64.
>
> root@iniza:~# systemctl is-active neard.service
> active
>
> root@iniza:~# nfctool --list
> nfc0:
>           Tags: [ ]
>           Devices: [ ]
>           Protocols: [ Felica MIFARE Jewel ISO-DEP NFC-DEP ]
>           Powered: No
>           RF Mode: None
>           lto: 150
>           rw: 15
>           miux: 2047
>
> root@iniza:~# nfctool --poll -d nfc0
> Start polling on nfc0 as initiator
>
> ...
>
> Throwing my YubiKey Neo-5 NFC on my ThinkPad T470 NFC sticker shows me...
>
> Targets found for nfc0
>   Tags: [ tag0 ]
>   Devices: [ ]
>
> Hope that helps.
>

[ UN-CC Robert (Email is no more valid) ]

Re-invoking after YubiKey touched...

root@iniza:~# nfctool --list
nfc0:
          Tags: [ tag0 ]
          Devices: [ ]
          Protocols: [ Felica MIFARE Jewel ISO-DEP NFC-DEP ]
          Powered: Yes
          RF Mode: Initiator
          lto: 150
          rw: 15
          miux: 204

...now shows "Powered: Yes".

- Sedat -