| 1 | .. SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | MEI NFC |
| 4 | ------- |
| 5 | |
| 6 | Some Intel 8 and 9 Series chipsets support NFC devices connected behind |
| 7 | the Intel Management Engine controller. |
| 8 | MEI client bus exposes the NFC chips as NFC phy devices and enables |
| 9 | binding with Microread and NXP PN544 NFC device driver from the Linux NFC |
| 10 | subsystem. |
| 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 | } |