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mei: docs: add a short description for nfc behind mei
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -16,7 +16,7 @@ Intel(R) Management Engine Interface (Intel(R) MEI)
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Table of Contents
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Table of Contents
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.. toctree::
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.. toctree::
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:maxdepth: 2
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:maxdepth: 3
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mei
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mei
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mei-client-bus
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mei-client-bus
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@ -158,3 +158,10 @@ process received data.
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}
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}
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MEI Client Bus Drivers
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======================
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.. toctree::
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:maxdepth: 2
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nfc
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28
Documentation/driver-api/mei/nfc.rst
Normal file
28
Documentation/driver-api/mei/nfc.rst
Normal file
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@ -0,0 +1,28 @@
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.. SPDX-License-Identifier: GPL-2.0
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MEI NFC
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-------
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Some Intel 8 and 9 Serieses chipsets supports NFC devices connected behind
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the Intel Management Engine controller.
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MEI client bus exposes the NFC chips as NFC phy devices and enables
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binding with Microread and NXP PN544 NFC device driver from the Linux NFC
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subsystem.
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.. kernel-render:: DOT
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:alt: MEI NFC digraph
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:caption: **MEI NFC** Stack
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digraph NFC {
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cl_nfc -> me_cl_nfc;
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"drivers/nfc/mei_phy" -> cl_nfc [lhead=bus];
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"drivers/nfc/microread/mei" -> cl_nfc;
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"drivers/nfc/microread/mei" -> "drivers/nfc/mei_phy";
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"drivers/nfc/pn544/mei" -> cl_nfc;
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"drivers/nfc/pn544/mei" -> "drivers/nfc/mei_phy";
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"net/nfc" -> "drivers/nfc/microread/mei";
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"net/nfc" -> "drivers/nfc/pn544/mei";
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"neard" -> "net/nfc";
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cl_nfc [label="mei/bus(nfc)"];
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me_cl_nfc [label="me fw (nfc)"];
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}
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