On 9/6/26 11:32 PM, David Heidelberg wrote:
> On 06/09/2026 23:11, Paul Sajna wrote:
>> Add the i2c and tlmm nodes to support the NXP PN547 NFC chip
>>
>> Downstream dtsi for reference:
>> https://github.com/LineageOS/android_kernel_lge_sdm845/blob/lineage-22.2/arch/arm64/boot/dts/lge/sdm845-judy/sdm845-judyln_lao_com/sdm845-judyln_lao_com-nfc.dtsi
>>
>> Signed-off-by: Paul Sajna <[email protected]>
>> ---
[...]
>> + nfc_default: nfc-default-state {
>> + pins = "gpio12", "gpio62", "gpio63", "gpio116";
>
> here the verbosity may not be bad (device-tree functions as documentation too)
> gpio116 is associated with eSE NFC part (just guessing, but... it worked
> before, so), and generally the pn547 doesn't need it at all to work.
>
> TBH not sure if there or what consensus is here about this. The eSE needs it,
> but we don't have the driver thus also no integration with NFC part.
The eSE driver would still be acting on the NFC node, right?
Konrad
