From patchwork Thu May 30 23:11:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vijay Khemka X-Patchwork-Id: 10969333 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 637BF112C for ; Thu, 30 May 2019 23:12:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 55B7028BE3 for ; Thu, 30 May 2019 23:12:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 49C0F28BEE; Thu, 30 May 2019 23:12:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D613528BE3 for ; 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Thu, 30 May 2019 16:12:10 -0700 Received: from mx-out.facebook.com (2620:10d:c081:10::13) by mail.thefacebook.com (2620:10d:c081:35::125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA) id 15.1.1713.5; Thu, 30 May 2019 16:12:07 -0700 Received: by devvm4117.prn2.facebook.com (Postfix, from userid 167582) id 0C898E9320CC; Thu, 30 May 2019 16:12:03 -0700 (PDT) Smtp-Origin-Hostprefix: devvm From: Vijay Khemka Smtp-Origin-Hostname: devvm4117.prn2.facebook.com To: Jean Delvare , Guenter Roeck , Jonathan Corbet , , , CC: , , , , Greg Kroah-Hartman Smtp-Origin-Cluster: prn2c23 Subject: [PATCH v2 2/2] Docs: hwmon: pmbus: Add PXE1610 driver Date: Thu, 30 May 2019 16:11:57 -0700 Message-ID: <20190530231159.222188-2-vijaykhemka@fb.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190530231159.222188-1-vijaykhemka@fb.com> References: <20190530231159.222188-1-vijaykhemka@fb.com> X-FB-Internal: Safe MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-30_14:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905300162 X-FB-Internal: deliver Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Added support for Infenion PXE1610 driver Signed-off-by: Vijay Khemka --- Changes in v2: incorporated all the feedback from Guenter Roeck Documentation/hwmon/pxe1610 | 90 +++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/hwmon/pxe1610 diff --git a/Documentation/hwmon/pxe1610 b/Documentation/hwmon/pxe1610 new file mode 100644 index 000000000000..24825db8736f --- /dev/null +++ b/Documentation/hwmon/pxe1610 @@ -0,0 +1,90 @@ +Kernel driver pxe1610 +===================== + +Supported chips: + * Infinion PXE1610 + Prefix: 'pxe1610' + Addresses scanned: - + Datasheet: Datasheet is not publicly available. + + * Infinion PXE1110 + Prefix: 'pxe1110' + Addresses scanned: - + Datasheet: Datasheet is not publicly available. + + * Infinion PXM1310 + Prefix: 'pxm1310' + Addresses scanned: - + Datasheet: Datasheet is not publicly available. + +Author: Vijay Khemka + + +Description +----------- + +PXE1610/PXE1110 are Multi-rail/Multiphase Digital Controllers +and compliant to + -- Intel VR13 DC-DC converter specifications. + -- Intel SVID protocol. +Used for Vcore power regulation for Intel VR13 based microprocessors + -- Servers, Workstations, and High-end desktops + +PXM1310 is a Multi-rail Controllers and it is compliant to + -- Intel VR13 DC-DC converter specifications. + -- Intel SVID protocol. +Used for DDR3/DDR4 Memory power regulation for Intel VR13 and +IMVP8 based systems + + +Usage Notes +----------- + +This driver does not probe for PMBus devices. You will have +to instantiate devices explicitly. + +Example: the following commands will load the driver for an PXE1610 +at address 0x70 on I2C bus #4: + +# modprobe pxe1610 +# echo pxe1610 0x70 > /sys/bus/i2c/devices/i2c-4/new_device + +It can also be instantiated by declaring in device tree + + +Sysfs attributes +---------------- + +curr1_label "iin" +curr1_input Measured input current +curr1_alarm Current high alarm + +curr[2-4]_label "iout[1-3]" +curr[2-4]_input Measured output current +curr[2-4]_crit Critical maximum current +curr[2-4]_crit_alarm Current critical high alarm + +in1_label "vin" +in1_input Measured input voltage +in1_crit Critical maximum input voltage +in1_crit_alarm Input voltage critical high alarm + +in[2-4]_label "vout[1-3]" +in[2-4]_input Measured output voltage +in[2-4]_lcrit Critical minimum output voltage +in[2-4]_lcrit_alarm Output voltage critical low alarm +in[2-4]_crit Critical maximum output voltage +in[2-4]_crit_alarm Output voltage critical high alarm + +power1_label "pin" +power1_input Measured input power +power1_alarm Input power high alarm + +power[2-4]_label "pout[1-3]" +power[2-4]_input Measured output power + +temp[1-3]_input Measured temperature +temp[1-3]_crit Critical high temperature +temp[1-3]_crit_alarm Chip temperature critical high alarm +temp[1-3]_max Maximum temperature +temp[1-3]_max_alarm Chip temperature high alarm