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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/driver-api/mei/nfc.rst | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/driver-api/mei/nfc.rst | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/driver-api/mei/nfc.rst b/Documentation/driver-api/mei/nfc.rst new file mode 100644 index 000000000..b5b6fc96f --- /dev/null +++ b/Documentation/driver-api/mei/nfc.rst @@ -0,0 +1,28 @@ +.. 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)"]; + } |