From patchwork Wed Jan 13 07:08:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Troy Lee X-Patchwork-Id: 12015909 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 57271C43331 for ; Wed, 13 Jan 2021 07:12:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22BB023359 for ; Wed, 13 Jan 2021 07:12:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726541AbhAMHLo (ORCPT ); Wed, 13 Jan 2021 02:11:44 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:52880 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726490AbhAMHLo (ORCPT ); Wed, 13 Jan 2021 02:11:44 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 10D73x3g005383; Wed, 13 Jan 2021 15:03:59 +0800 (GMT-8) (envelope-from troy_lee@aspeedtech.com) Received: from localhost.localdomain (192.168.100.253) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 13 Jan 2021 15:08:59 +0800 From: Troy Lee To: , Jean Delvare , "Guenter Roeck" , Rob Herring , Joel Stanley , Andrew Jeffery , Jonathan Corbet , Philipp Zabel , Ryan Chen , "open list:HARDWARE MONITORING" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/ASPEED MACHINE SUPPORT" , "moderated list:ARM/ASPEED MACHINE SUPPORT" , open list , "open list:DOCUMENTATION" CC: , , Subject: [PATCH v2 2/4] hwmon: Add Aspeed AST2600 support Date: Wed, 13 Jan 2021 07:08:46 +0000 Message-ID: <20210113070850.1184506-3-troy_lee@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210113070850.1184506-1-troy_lee@aspeedtech.com> References: <20210113070850.1184506-1-troy_lee@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.100.253] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 10D73x3g005383 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Updating index.rst and adding aspeed2600-pwm-tachometer.rst to address the driver. Changes since v1: - rename to aspeed2600-pwm-tachometer.rst - add license identifier Signed-off-by: Troy Lee --- .../hwmon/aspeed2600-pwm-tachometer.rst | 27 +++++++++++++++++++ Documentation/hwmon/index.rst | 1 + 2 files changed, 28 insertions(+) create mode 100644 Documentation/hwmon/aspeed2600-pwm-tachometer.rst diff --git a/Documentation/hwmon/aspeed2600-pwm-tachometer.rst b/Documentation/hwmon/aspeed2600-pwm-tachometer.rst new file mode 100644 index 000000000000..cf0d31a19597 --- /dev/null +++ b/Documentation/hwmon/aspeed2600-pwm-tachometer.rst @@ -0,0 +1,27 @@ +.. SPDX-License-Identifier: GPL-2.0 + +=================================== +Kernel driver aspeed2600-pwm-tachometer +=================================== + +Supported chips: + ASPEED AST2600 + +Authors: + Ryan Chen + +Description: +------------ +This driver implements support for ASPEED AST2600 PWM and Fan Tacho +controller. The PWM controller supports upto 16 PWM outputs. The Fan tacho +controller supports up to 16 tachometer inputs. + +The driver provides the following sensor accesses in sysfs: + +=============== ======= ===================================================== +fanX_input ro provide current fan rotation value in RPM as reported + by the fan to the device. + +pwmX rw get or set PWM fan control value. This is an integer + value between 0(off) and 255(full speed). +=============== ======= ===================================================== diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index fcb870ce6286..02020c282549 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -44,6 +44,7 @@ Hardware Monitoring Kernel Drivers asb100 asc7621 aspeed-pwm-tacho + aspeed2600-pwm-tachometer bcm54140 bel-pfe bt1-pvt