David Venhoff cfcea9ee67 Initial commit
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
2025-08-11 13:05:09 +02:00

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ReStructuredText

.. SPDX-License-Identifier: GPL-2.0
MEI NFC
-------
Some Intel 8 and 9 Serieses chipsets supports NFC devices connected behind
the Intel Management Engine controller.
MEI client bus exposes the NFC chips as NFC phy devices and enables
binding with Microread and NXP PN544 NFC device driver from the Linux NFC
subsystem.
.. kernel-render:: DOT
:alt: MEI NFC digraph
:caption: **MEI NFC** Stack
digraph NFC {
cl_nfc -> me_cl_nfc;
"drivers/nfc/mei_phy" -> cl_nfc [lhead=bus];
"drivers/nfc/microread/mei" -> cl_nfc;
"drivers/nfc/microread/mei" -> "drivers/nfc/mei_phy";
"drivers/nfc/pn544/mei" -> cl_nfc;
"drivers/nfc/pn544/mei" -> "drivers/nfc/mei_phy";
"net/nfc" -> "drivers/nfc/microread/mei";
"net/nfc" -> "drivers/nfc/pn544/mei";
"neard" -> "net/nfc";
cl_nfc [label="mei/bus(nfc)"];
me_cl_nfc [label="me fw (nfc)"];
}