From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- Documentation/driver-api/mei/nfc.rst | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/driver-api/mei/nfc.rst (limited to 'Documentation/driver-api/mei/nfc.rst') 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)"]; + } -- cgit v1.2.3