Commit 4e3d3b78 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
Browse files

mei: docs: add a short description for nfc behind mei 



Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6080e0cf

Documentation/driver-api/mei/index.rst

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@@ -16,7 +16,7 @@ Intel(R) Management Engine Interface (Intel(R) MEI) 
        Table of Contents



.. toctree::

   :maxdepth: 2

   :maxdepth: 3



   mei

   mei-client-bus

Documentation/driver-api/mei/mei-client-bus.rst

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@@ -158,3 +158,10 @@ process received data. 


        }



MEI Client Bus Drivers

======================



.. toctree::

   :maxdepth: 2



   nfc

Documentation/driver-api/mei/nfc.rst

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.. 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)"];

   }