From patchwork Thu May 11 17:58:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 681454 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 30483C7EE31 for ; Thu, 11 May 2023 18:02:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239089AbjEKSCB (ORCPT ); Thu, 11 May 2023 14:02:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239021AbjEKSBx (ORCPT ); Thu, 11 May 2023 14:01:53 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9ECEF5246; Thu, 11 May 2023 11:01:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683828110; x=1715364110; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JOjP3peX0ZEQlt5bUy6rekVF3QLzY7oGXCu8avzeStM=; b=fjx2ymldCaHVfv75LCbNFOM4bluau6ItGkz7n3iJlUOUfi27b8uiJzRi nd1yRV1Kfo6mp+YTEYwc2HcPNEuDJjJ0P27XW5jZlPz4H0ldltAUargNb 7qpMovAWia4GdvZYY5EwUgzRSFWIO1gqIfs0Rvsn6K1I70HGhI6BCGAn5 72NJ4Rkn+JlYJ1jcTLLeHkcgxUvIDNqcfMf5BBsOB37uVW+F3kxnHl2sK HICdhauYl+bSE2p0GQQIqnIVgmdTVogAkF0LXeWxtHstMKJkV2bRgM0qa hIr37OiXPEv0g28MSFJG80C7Lp9FQl2Momcsl/ksaYzgVxySC2c6eIEDy g==; X-IronPort-AV: E=McAfee;i="6600,9927,10707"; a="413942758" X-IronPort-AV: E=Sophos;i="5.99,268,1677571200"; d="scan'208";a="413942758" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2023 11:01:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10707"; a="874061630" X-IronPort-AV: E=Sophos;i="5.99,268,1677571200"; d="scan'208";a="874061630" Received: from ye-nuc7i7dnhe.sh.intel.com ([10.239.153.70]) by orsmga005.jf.intel.com with ESMTP; 11 May 2023 11:01:01 -0700 From: Ye Xiang To: Greg Kroah-Hartman , Arnd Bergmann , Matthias Kaehlcke , Lee Jones , Wolfram Sang , Tyrone Ting , Mark Brown , Linus Walleij , Marc Zyngier , 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 v8 3/6] Documentation: Add ABI doc for attributes of LJCA device Date: Fri, 12 May 2023 01:58:41 +0800 Message-Id: <20230511175844.185070-4-xiang.ye@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230511175844.185070-1-xiang.ye@intel.com> References: <20230511175844.185070-1-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 --- .../ABI/testing/sysfs-bus-usb-devices-ljca | 36 +++++++++++++++++++ 1 file changed, 36 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..16eecaf870e2 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca @@ -0,0 +1,36 @@ +What: /sys/bus/usb/.../ljca_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/.../ljca_enable_dfu +Date: July 2023 +KernelVersion: 6.4 +Contact: Ye Xiang +Description: + Writing 1 to this file to force the LJCA device into DFU + mode so the firmware can be updated. After firmware + updating has been done, the device will back to normal + working mode. + +What: /sys/bus/usb/.../ljca_trace_level +Date: July 2023 +KernelVersion: 6.4 +Contact: Ye Xiang +Description: + Writing N to this file to set firmware log level of LJCA + device. The log can be printed to another computer through + UART ports in LJCA device. Valid values: + + == ========== + 0 LEVEL_ERROR + 1 LEVEL_WARNING + 2 LEVEL_INFO + 3 LEVEL_DEBUG + 4 LEVEL_OFF + == ==========