| .. SPDX-License-Identifier: GPL-2.0 |
| |
| MEI NFC |
| ------- |
| |
| Some Intel 8 and 9 Series chipsets support 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)"]; |
| } |
