From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07163C2BB86 for ; Mon, 13 Apr 2020 22:30:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD8B6206DA for ; Mon, 13 Apr 2020 22:30:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389645AbgDMWaU (ORCPT ); Mon, 13 Apr 2020 18:30:20 -0400 Received: from mga09.intel.com ([134.134.136.24]:8320 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389640AbgDMWaT (ORCPT ); Mon, 13 Apr 2020 18:30:19 -0400 IronPort-SDR: 71KRODS1DmKs14YIOf4w/XSc6CEE2MtGqNC+JKlwTh2N+8OOUycYZr/KaHAuSiVtjjcVCLScpV NnHpLwQ/s84A== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Apr 2020 15:30:17 -0700 IronPort-SDR: a9DLrLUPB5LEHN/yIh8etgbMCYe5+mBzqUQHtKnxfofF0OIeyFD6XqVg6rbZ8ztxJoleTvUyA0 4KIYF6pMT4ww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,380,1580803200"; d="scan'208";a="399760856" Received: from epcorona-mobl.amr.corp.intel.com (HELO epcorona-moblu.amr.corp.intel.com) ([10.254.189.204]) by orsmga004.jf.intel.com with ESMTP; 13 Apr 2020 15:30:04 -0700 From: Ernesto Corona To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org Cc: Ernesto Corona , Oleksandr Shamray , Jonathan Corbet , Greg Kroah-Hartman , Gustavo Pimentel , Lorenzo Pieralisi , Kishon Vijay Abraham I , "Darrick J . Wong" , "Bryant G . Ly" , Eric Sandeen , Randy Dunlap , Tomohiro Kusumi , Arnd Bergmann , Mauro Carvalho Chehab , Alexandre Belloni , "Theodore Ts'o" , Eric Biggers , Steven Filary , Jiri Pirko , Vadim Pasternak , Amithash Prasad , Patrick Williams , Rgrs Subject: [PATCH v29 5/6] Documentation jtag: Add JTAG core driver ioctl number Date: Mon, 13 Apr 2020 15:29:19 -0700 Message-Id: <20200413222920.4722-6-ernesto.corona@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200413222920.4722-1-ernesto.corona@intel.com> References: <20200413222920.4722-1-ernesto.corona@intel.com> Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org JTAG class driver provide infrastructure to support hardware/software JTAG platform drivers. It provide user layer API interface for flashing and debugging external devices which equipped with JTAG interface using standard transactions. Driver exposes set of IOCTL to user space for: - XFER: SIR (Scan Instruction Register, IEEE 1149.1 Data Register scan); SDR (Scan Data Register, IEEE 1149.1 Instruction Register scan); - GIOCSTATUS read the current TAPC state of the JTAG controller - SIOCSTATE Forces the JTAG TAPC to go into a particular state. - SIOCFREQ/GIOCFREQ for setting and reading JTAG frequency. - IOCBITBANG for low level control of JTAG signals. Signed-off-by: Oleksandr Shamray Signed-off-by: Ernesto Corona Acked-by: Philippe Ombredanne Cc: Jonathan Corbet Cc: Greg Kroah-Hartman Cc: Gustavo Pimentel Cc: Lorenzo Pieralisi Cc: Kishon Vijay Abraham I Cc: Darrick J. Wong Cc: Bryant G. Ly Cc: Eric Sandeen Cc: Randy Dunlap Cc: Tomohiro Kusumi Cc: Arnd Bergmann Cc: Mauro Carvalho Chehab Cc: Alexandre Belloni Cc: "Theodore Ts'o" Cc: Eric Biggers Cc: Steven Filary Cc: Jiri Pirko Cc: Vadim Pasternak Cc: Amithash Prasad Cc: Patrick Williams Cc: Rgrs v28->v29 Move ioctl number to userspace-api/ioctl/ioctl-number.rst --- Documentation/userspace-api/ioctl/ioctl-number.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst index f759edafd938..7c005fc9a1c2 100644 --- a/Documentation/userspace-api/ioctl/ioctl-number.rst +++ b/Documentation/userspace-api/ioctl/ioctl-number.rst @@ -332,6 +332,8 @@ Code Seq# Include File Comments 0xB1 00-1F PPPoX +0xB2 00-0F linux/jtag.h JTAG driver + 0xB3 00 linux/mmc/ioctl.h 0xB4 00-0F linux/gpio.h 0xB5 00-0F uapi/linux/rpmsg.h -- 2.17.1