From patchwork Thu Mar 23 17:21:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 667086 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 76402C761AF for ; Thu, 23 Mar 2023 17:21:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231841AbjCWRVm (ORCPT ); Thu, 23 Mar 2023 13:21:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229508AbjCWRVi (ORCPT ); Thu, 23 Mar 2023 13:21:38 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7AA9274BF; Thu, 23 Mar 2023 10:21:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1679592089; x=1711128089; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JOjP3peX0ZEQlt5bUy6rekVF3QLzY7oGXCu8avzeStM=; b=RTuMT+c3vJv0PUd3N4w7xuXwjRQSnfXa6Hm0RZ3TE81DcUF2/pE3G4zV sC+47LMmIr5gDUExxbCAcM4KTqlmompBpoWCQvd3Ku1FNkquf/dHAMv9X +j7WdPcTm5BNeNg3yjQrHBB1NqQO80dK6SBh1dd/dLY3cU1ZYAl2a3dlO dlBSwsbm8Pmi6HtK71bVCutp51dYC7w90JgW9RKI/yGZ/pcrxHmD51QUh +Wq5X9i5GfaHGJ9XUFZ3HmL4U8qB5Y4odJzCFg4mox2UOob/XTMWvjX6n GUBnk8ZCVUBaQebUZX8kcku5nHYC70QJSp83jSZRmrgnAFjE8br0dGmpN A==; X-IronPort-AV: E=McAfee;i="6600,9927,10658"; a="425840253" X-IronPort-AV: E=Sophos;i="5.98,285,1673942400"; d="scan'208";a="425840253" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2023 10:21:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10658"; a="712748305" X-IronPort-AV: E=Sophos;i="5.98,285,1673942400"; d="scan'208";a="712748305" Received: from ye-nuc7i7dnhe.sh.intel.com ([10.239.154.52]) by orsmga008.jf.intel.com with ESMTP; 23 Mar 2023 10:21:23 -0700 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 v6 3/6] Documentation: Add ABI doc for attributes of LJCA device Date: Fri, 24 Mar 2023 01:21:10 +0800 Message-Id: <20230323172113.1231050-4-xiang.ye@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230323172113.1231050-1-xiang.ye@intel.com> References: <20230323172113.1231050-1-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 + == ==========