Re: [PATCH QUESTION 0/2] NFC support in Linux (and support for Qualcomm SDM845 devices)

Konrad Dybcio <[email protected]> Mon, 23 Mar 2026 12:34:21 +0100
Newsgroups dev.linux.lists.oe-linux-nfc,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.netdev,org.kernel.vger.phone-devel
Message-ID <[email protected]>
On 3/22/26 3:24 PM, David Heidelberg via B4 Relay wrote:
> There isn't upstream driver.
> 
> I'm openining this as a starter. We need a NFC drivers I assume. I tried
> quick check, but both of NFC drivers register
> 
> nfc: nfc_init: NFC Core ver 0.1
> NET: Registered PF_NFC protocol family
> 
> but efficiently does nothing. In the See section, there are some ways
> how to make NFC work, but rely on patched vendor libs, missing updates
> etc.
> 
> 1. What hardware is present on Snapdragon 845, is there some
>    documentation? It seems that both sdm845 devices has almost identical
>    setup, thus it's NFC solution integrated? @Qualcomm

As far as I'm able to tell, they're clearly external ICs

Konrad