1.. SPDX-License-Identifier: GPL-2.0 2 3MEI NFC 4------- 5 6Some Intel 8 and 9 Series chipsets support NFC devices connected behind 7the Intel Management Engine controller. 8MEI client bus exposes the NFC chips as NFC phy devices and enables 9binding with Microread and NXP PN544 NFC device driver from the Linux NFC 10subsystem. 11 12.. kernel-render:: DOT 13 :alt: MEI NFC digraph 14 :caption: **MEI NFC** Stack 15 16 digraph NFC { 17 cl_nfc -> me_cl_nfc; 18 "drivers/nfc/mei_phy" -> cl_nfc [lhead=bus]; 19 "drivers/nfc/microread/mei" -> cl_nfc; 20 "drivers/nfc/microread/mei" -> "drivers/nfc/mei_phy"; 21 "drivers/nfc/pn544/mei" -> cl_nfc; 22 "drivers/nfc/pn544/mei" -> "drivers/nfc/mei_phy"; 23 "net/nfc" -> "drivers/nfc/microread/mei"; 24 "net/nfc" -> "drivers/nfc/pn544/mei"; 25 "neard" -> "net/nfc"; 26 cl_nfc [label="mei/bus(nfc)"]; 27 me_cl_nfc [label="me fw (nfc)"]; 28 } 29