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Re: [linux-nfc] ThinkPad T470 and NXP PN5xx (PN547 or PN548)

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On Fri, May 10, 2019 at 8:56 PM Oleg Zhurakivskyy
<oleg.zhurakivskyy@xxxxxxxxx> wrote:
>
>
> Hi Sedat,
>
> I would like to help you, but at the same time not to mislead, as it’s been a time since I touched that.
>
> So take everything with a grain of salt and correct me where I might be wrong/forgot.
>
> > I am not sure if I need to load the PN544 (I2C) driver?
>
> Yes, the driver is needed, for PN547 it’s NXP NPC100, the driver is drivers/nfc/nxp-nci.
>
> > Do I need these firmware files installed?
>
> To start with, i.e. for a simple signal through like reading a tag, most likely not (the chip is usually provisioned with some FW).
>

Hi Oleg,

thanks for all the informations...

# modprobe -v nxp-nci_i2c

...gives me...

# lsmod | egrep 'nfc|rfkill|pn544|i2c|gpio|mei|nxp|nci' | sort
i2c_algo_bit           24576  1 i915
i2c_dev                24576  0
i2c_i801               32768  0
mei                   118784  1 mei_me
mei_me                 36864  0
nci                    77824  2 nxp_nci,nxp_nci_i2c
nfc                   122880  2 nci,nxp_nci
nxp_nci                16384  1 nxp_nci_i2c
nxp_nci_i2c            16384  0
rfkill                 32768  10 nfc,bluetooth,thinkpad_acpi,cfg80211

What userspace do I need?

I tried...

# rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
        Soft blocked: no
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
2: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no

# nfc-list
nfc-list uses libnfc 1.7.1
No NFC device found.

# nfc-scan-device
nfc-scan-device uses libnfc 1.7.1
No NFC device found.

> To start with, i.e. for a simple signal through like reading a tag, most likely not (the chip is usually provisioned with some FW).

Can you guide me how to do that?

Thanks!

Regards,
- Sedat -




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