Documentation/driver-api/mei/nfc.rst

Source file repositories/reference/linux-study-clean/Documentation/driver-api/mei/nfc.rst

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Linux kernel
Corpus path
Documentation/driver-api/mei/nfc.rst
Extension
.rst
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876 bytes
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29
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: documentation
Status
atlas-only

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Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

.. SPDX-License-Identifier: GPL-2.0

MEI NFC
-------

Some Intel 8 and 9 Series chipsets support 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)"];
   }

Annotation

Implementation Notes