From patchwork Mon Jan 13 15:08:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vadim Pasternak X-Patchwork-Id: 11330387 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0D17E92A for ; Mon, 13 Jan 2020 15:09:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E72BE214AF for ; Mon, 13 Jan 2020 15:09:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728871AbgAMPJA (ORCPT ); Mon, 13 Jan 2020 10:09:00 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:58678 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728933AbgAMPJA (ORCPT ); Mon, 13 Jan 2020 10:09:00 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from vadimp@mellanox.com) with ESMTPS (AES256-SHA encrypted); 13 Jan 2020 17:08:55 +0200 Received: from r-build-lowlevel.mtr.labs.mlnx. (r-build-lowlevel.mtr.labs.mlnx [10.209.0.190]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 00DF8hqf006851; Mon, 13 Jan 2020 17:08:55 +0200 From: Vadim Pasternak To: linux@roeck-us.net, robh+dt@kernel.org, vijaykhemka@fb.com Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, Vadim Pasternak Subject: [PATCH hwmon-next v1 6/6] docs: hwmon: Include 'xdpe12284.rst' into docs Date: Mon, 13 Jan 2020 15:08:41 +0000 Message-Id: <20200113150841.17670-7-vadimp@mellanox.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20200113150841.17670-1-vadimp@mellanox.com> References: <20200113150841.17670-1-vadimp@mellanox.com> Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add documentation for 'xdpe122' devices. Signed-off-by: Vadim Pasternak --- Documentation/hwmon/xdpe12284.rst | 101 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 Documentation/hwmon/xdpe12284.rst diff --git a/Documentation/hwmon/xdpe12284.rst b/Documentation/hwmon/xdpe12284.rst new file mode 100644 index 000000000000..6b7ae98cc536 --- /dev/null +++ b/Documentation/hwmon/xdpe12284.rst @@ -0,0 +1,101 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver xdpe122 +===================== + +Supported chips: + + * Infineon XDPE12254 + + Prefix: 'xdpe12254' + + * Infineon XDPE12284 + + Prefix: 'xdpe12284' + +Authors: + + Vadim Pasternak + +Description +----------- + +This driver implements support for Infineon Multi-phase XDPE122 family +dual loop voltage regulators. +The family includes XDPE12284 and XDPE12254 devices. +The devices from this family complaint with: +- Intel VR13 and VR13HC rev 1.3, IMVP8 rev 1.2 and IMPVP9 rev 1.3 DC-DC + converter specification. +- Intel SVID rev 1.9. protocol. +- PMBus rev 1.3 interface. + +Devices support linear format for reading input voltage, input and output current, +input and output power and temperature. +Device supports VID format for reading output voltage. The below modes are +supported: +- VR12.0 mode, 5-mV DAC - 0x01. +- VR12.5 mode, 10-mV DAC - 0x02. +- IMVP9 mode, 5-mV DAC - 0x03. +- AMD mode 6.25mV - 0x10. + +Devices support two pages for telemetry. + +The driver provides for current: input, maximum and critical thresholds +and maximum and critical alarms. Critical thresholds and critical alarm are +supported only for current output. +The driver exports the following attributes for via the sysfs files, where +indexes 1, 2 are for "iin" and 3, 4 for "iout": + +**curr[3-4]_crit** + +**curr[3-4]_crit_alarm** + +**curr[1-4]_input** + +**curr[1-4]_label** + +**curr[1-4]_max** + +**curr[1-4]_max_alarm** + +The driver provides for voltage: input, critical and low critical thresholds +and critical and low critical alarms. +The driver exports the following attributes for via the sysfs files, where +indexes 1, 2 are for "vin" and 3, 4 for "vout": + +**in[1-4]_crit** + +**in[1-4_crit_alarm** + +**in[1-4]_input** + +**in[1-4_label** + +**in[1-4]_lcrit** + +**in[1-41_lcrit_alarm** + +The driver provides for power: input and alarms. Power alarm is supported only +for power input. +The driver exports the following attributes for via the sysfs files, where +indexes 1, 2 are for "pin" and 3, 4 for "pout": + +**power[1-2]_alarm** + +**power[1-4]_input** + +**power[1-4]_label** + +The driver provides for temperature: input, maximum and critical thresholds +and maximum and critical alarms. +The driver exports the following attributes for via the sysfs files: + +**temp[1-2]_crit** + +**temp[1-2]_crit_alarm** + +**temp[1-2]_input** + +**temp[1-2]_max** + +**temp[1-2]_max_alarm**