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[209.132.180.67]) by mx.google.com with ESMTP id h5si17100560pgs.486.2019.06.03.02.25.37; Mon, 03 Jun 2019 02:25:53 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728220AbfFCJYW (ORCPT + 99 others); Mon, 3 Jun 2019 05:24:22 -0400 Received: from mga14.intel.com ([192.55.52.115]:54536 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728153AbfFCJYT (ORCPT ); Mon, 3 Jun 2019 05:24:19 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jun 2019 02:24:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,546,1549958400"; d="scan'208";a="181096371" Received: from twinkler-lnx.jer.intel.com ([10.12.91.48]) by fmsmga002.fm.intel.com with ESMTP; 03 Jun 2019 02:24:18 -0700 From: Tomas Winkler To: Greg Kroah-Hartman Cc: Alexander Usyskin , linux-kernel@vger.kernel.org, Tomas Winkler , Jonathan Corbet , linux-doc@vger.kernel.org Subject: [char-misc-next 5/7] mei: docs: add a short description for nfc behind mei Date: Mon, 3 Jun 2019 12:14:04 +0300 Message-Id: <20190603091406.28915-6-tomas.winkler@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190603091406.28915-1-tomas.winkler@intel.com> References: <20190603091406.28915-1-tomas.winkler@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Tomas Winkler --- Documentation/driver-api/mei/index.rst | 2 +- .../driver-api/mei/mei-client-bus.rst | 7 +++++ Documentation/driver-api/mei/nfc.rst | 28 +++++++++++++++++++ 3 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 Documentation/driver-api/mei/nfc.rst diff --git a/Documentation/driver-api/mei/index.rst b/Documentation/driver-api/mei/index.rst index d261afac6852..3a22b522ee78 100644 --- a/Documentation/driver-api/mei/index.rst +++ b/Documentation/driver-api/mei/index.rst @@ -16,7 +16,7 @@ Intel(R) Management Engine Interface (Intel(R) MEI) Table of Contents .. toctree:: - :maxdepth: 2 + :maxdepth: 3 mei mei-client-bus diff --git a/Documentation/driver-api/mei/mei-client-bus.rst b/Documentation/driver-api/mei/mei-client-bus.rst index 7310dd45c484..bfe28ebc3ca8 100644 --- a/Documentation/driver-api/mei/mei-client-bus.rst +++ b/Documentation/driver-api/mei/mei-client-bus.rst @@ -158,3 +158,10 @@ process received data. } +MEI Client Bus Drivers +====================== + +.. toctree:: + :maxdepth: 2 + + nfc diff --git a/Documentation/driver-api/mei/nfc.rst b/Documentation/driver-api/mei/nfc.rst new file mode 100644 index 000000000000..b5b6fc96f85e --- /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)"]; + } -- 2.20.1