From patchwork Thu Mar 9 07:11:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 661296 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEE3DC74A44 for ; Thu, 9 Mar 2023 07:11:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229970AbjCIHLx (ORCPT ); Thu, 9 Mar 2023 02:11:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229966AbjCIHLv (ORCPT ); Thu, 9 Mar 2023 02:11:51 -0500 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16A92C083C; Wed, 8 Mar 2023 23:11:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678345910; x=1709881910; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BP2bXE/lj12e2qlD1IN4mt1PlpUOPgNqQR5Qy9flS0M=; b=gE9QNbSywiaf8HwwOi1MR8S66fnHA+x6SZobYN+z4FesBATRNNUneGJx OU495hd2p3XCUHWwL+HZy9Exiw3dGvWJnNU9tkiIH/SvwB+zztW1B63tU ybJI1w7qtE2QfT3eu1wyKO8OJnqnkyeKqtIKgY509ppOdwzKNY+MZHY8A y4tXMOnFSm6FYlwHAaZbZNZ4Ad87ByVcHTD/UmACEIjsbTt1UVCzzB5HN l8RphImPgHvy1p2qz1vSeuqsWUQvFhCLYIKme/U++LruA2B74kl/fAzQb BmgrEU10ONySXZ0LvhmHoN3Z0pqjX+k3wQtJEK8Ggy3ftu5iPNZTNBJo5 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10643"; a="316767835" X-IronPort-AV: E=Sophos;i="5.98,245,1673942400"; d="scan'208";a="316767835" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2023 23:11:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10643"; a="923126491" X-IronPort-AV: E=Sophos;i="5.98,245,1673942400"; d="scan'208";a="923126491" Received: from ye-nuc7i7dnhe.sh.intel.com ([10.239.154.52]) by fmsmga006.fm.intel.com with ESMTP; 08 Mar 2023 23:11:43 -0800 From: Ye Xiang To: Greg Kroah-Hartman , Arnd Bergmann , Matthias Kaehlcke , Lee Jones , Wolfram Sang , Tyrone Ting , Mark Brown , Linus Walleij , Bartosz Golaszewski , linux-usb@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-gpio@vger.kernel.org Cc: srinivas.pandruvada@intel.com, heikki.krogerus@linux.intel.com, andriy.shevchenko@linux.intel.com, sakari.ailus@linux.intel.com, zhifeng.wang@intel.com, wentong.wu@intel.com, lixu.zhang@intel.com, Ye Xiang Subject: [PATCH v4 5/5] Documentation: Add ABI doc for attributes of LJCA device Date: Thu, 9 Mar 2023 15:11:00 +0800 Message-Id: <20230309071100.2856899-6-xiang.ye@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230309071100.2856899-1-xiang.ye@intel.com> References: <20230309071100.2856899-1-xiang.ye@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add sysfs attributes Documentation entries for LJCA device Signed-off-by: Ye Xiang Reviewed-by: Sakari Ailus --- .../ABI/testing/sysfs-bus-usb-devices-ljca | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-usb-devices-ljca diff --git a/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca new file mode 100644 index 000000000000..e12fe78ae58b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca @@ -0,0 +1,22 @@ +What: /sys/bus/usb/.../version +Date: July 2023 +KernelVersion: 6.4 +Contact: Ye Xiang +Description: + Provides the current firmware version of LJCA device. + The format is Major.Minor.Patch.Build, where + Major, Minor, Patch, and Build are decimal numbers. + For example: 1.0.0.256 + +What: /sys/bus/usb/.../cmd +Date: July 2023 +KernelVersion: 6.4 +Contact: Ye Xiang +Description: + Commands supported by LJCA device. + When read, it will return valid commands. + When write with a command, it will execute the command. + Valid commands are [dfu, debug] + - Writing "dfu" to this file so as to put the device into + DFU mode so the firmware can be updated. + - Writing "debug" to this file to enable debug logging.