162306a36Sopenharmony_ci.. SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciMEI NFC 462306a36Sopenharmony_ci------- 562306a36Sopenharmony_ci 662306a36Sopenharmony_ciSome Intel 8 and 9 Series chipsets support NFC devices connected behind 762306a36Sopenharmony_cithe Intel Management Engine controller. 862306a36Sopenharmony_ciMEI client bus exposes the NFC chips as NFC phy devices and enables 962306a36Sopenharmony_cibinding with Microread and NXP PN544 NFC device driver from the Linux NFC 1062306a36Sopenharmony_cisubsystem. 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci.. kernel-render:: DOT 1362306a36Sopenharmony_ci :alt: MEI NFC digraph 1462306a36Sopenharmony_ci :caption: **MEI NFC** Stack 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci digraph NFC { 1762306a36Sopenharmony_ci cl_nfc -> me_cl_nfc; 1862306a36Sopenharmony_ci "drivers/nfc/mei_phy" -> cl_nfc [lhead=bus]; 1962306a36Sopenharmony_ci "drivers/nfc/microread/mei" -> cl_nfc; 2062306a36Sopenharmony_ci "drivers/nfc/microread/mei" -> "drivers/nfc/mei_phy"; 2162306a36Sopenharmony_ci "drivers/nfc/pn544/mei" -> cl_nfc; 2262306a36Sopenharmony_ci "drivers/nfc/pn544/mei" -> "drivers/nfc/mei_phy"; 2362306a36Sopenharmony_ci "net/nfc" -> "drivers/nfc/microread/mei"; 2462306a36Sopenharmony_ci "net/nfc" -> "drivers/nfc/pn544/mei"; 2562306a36Sopenharmony_ci "neard" -> "net/nfc"; 2662306a36Sopenharmony_ci cl_nfc [label="mei/bus(nfc)"]; 2762306a36Sopenharmony_ci me_cl_nfc [label="me fw (nfc)"]; 2862306a36Sopenharmony_ci } 29