From patchwork Fri Feb 11 17:17:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcello Sylvester Bauer X-Patchwork-Id: 12743681 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 8FBC2C4332F for ; Fri, 11 Feb 2022 17:17:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351987AbiBKRRx (ORCPT ); Fri, 11 Feb 2022 12:17:53 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351980AbiBKRRw (ORCPT ); Fri, 11 Feb 2022 12:17:52 -0500 Received: from mout-p-101.mailbox.org (mout-p-101.mailbox.org [IPv6:2001:67c:2050::465:101]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EBC22E8; Fri, 11 Feb 2022 09:17:50 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [80.241.60.240]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4JwL0W4y0Tz9sTp; Fri, 11 Feb 2022 18:17:47 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sylv.io; s=MBO0001; t=1644599865; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QlxYiSQLXtOgUJhWdCR53g7RwR21q6ocLhh0OLfCWng=; b=Vx3/vOXbz6lHcmYsPp5LIQuGPmqlQVCos+vTM5whOzQGTg8ou9VJ5VtSBHxrw3oDF51m/e ZjeiWviJ30CkBtpura+DHu0IyxWQJ3IzXWNXDzkrnU8djDhHwqlRUr2HI7TsaO4IELJ7vj FKRXUGZFd2j/05+pr+C1nu1EM6gP2fTCDFGMjStS+f5+NMQBZ1risGHyYxYH37iNdxLy/g Vm/69y89QtePjEpjoMZ5ToA/V0Ep6B/OdhehUbbooSU6JeW99ElEiv7qNnaMw9j748oBrE eeIxkn1eiVHN106Lzs4g82q2xxqxhz2Zu30NVoi4BtljItjRxQo7EHORfc0yCA== From: Marcello Sylvester Bauer To: linux-hwmon@vger.kernel.org Cc: Marcello Sylvester Bauer , Guenter Roeck , Jean Delvare , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/4] dt-bindings: vendor-prefixes: add Vicor Corporation Date: Fri, 11 Feb 2022 18:17:10 +0100 Message-Id: <3d5b4029f262a61d75c0c37839e02d67de96fae6.1644597670.git.sylv@sylv.io> In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add vendor prefix for Vicor Corporation. Signed-off-by: Marcello Sylvester Bauer --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 294093d45a23..047a83a089ce 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1298,6 +1298,8 @@ patternProperties: description: Vertexcom Technologies, Inc. "^via,.*": description: VIA Technologies, Inc. + "^vicor,.*": + description: Vicor Corporation "^videostrong,.*": description: Videostrong Technology Co., Ltd. "^virtio,.*": From patchwork Fri Feb 11 17:17:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcello Sylvester Bauer X-Patchwork-Id: 12743680 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 1C9C6C433EF for ; Fri, 11 Feb 2022 17:17:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350166AbiBKRRw (ORCPT ); Fri, 11 Feb 2022 12:17:52 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351978AbiBKRRw (ORCPT ); Fri, 11 Feb 2022 12:17:52 -0500 Received: from mout-p-101.mailbox.org (mout-p-101.mailbox.org [IPv6:2001:67c:2050::465:101]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3ECD1CD0; Fri, 11 Feb 2022 09:17:50 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [80.241.60.240]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4JwL0X3NFnz9sTy; Fri, 11 Feb 2022 18:17:48 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sylv.io; s=MBO0001; t=1644599866; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bXyDWJOi2TMbTegBFxuy90N+VPfjmUO34aZ2XisvdHc=; b=I/wIpm1YI+FPmc3SsDwsYzeEZlpTfz6JW+s2uSIybNLKeZwJ/VfogvisfvTjoJQQIj8c1q 9FmRCGTLH5TPw64ZUBbFKNh6b9GsY1njUkTLr/0VCs9WFre/5XrSuiSXQJVEM/qTFCfrW7 hS+OgKvvcA1IyuXMHSNdk1igonIl53j4PbuWH65bPZV4lq6wb1wtrJlcmq/eyyNCleNbi4 tRvme9N0VnimJ6+5bFVdCUbejTH6f1dS88cyCvOjHMeRngxoKQ2UYKT7zl249FXwELXtdM IBXvfZvbssN/FgA1BdPoHxRJ3loiTvwiS5Qcw/+RWP1Gqu3VEZFIngTBueAH9w== From: Marcello Sylvester Bauer To: linux-hwmon@vger.kernel.org Cc: Marcello Sylvester Bauer , Guenter Roeck , Jean Delvare , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 2/4] dt-bindings:trivial-devices: Add pli1209bc Date: Fri, 11 Feb 2022 18:17:11 +0100 Message-Id: <48fe7d40e6b13631b30403ecc4f70f06eb0a5de2.1644597670.git.sylv@sylv.io> In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add trivial device entry for PLI1209BC Digital Supervisor from Vicor Corporation. Signed-off-by: Marcello Sylvester Bauer --- Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index 091792ba993e..d03d90360aa0 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -354,6 +354,8 @@ properties: - ti,tps544c25 # Winbond/Nuvoton H/W Monitor - winbond,w83793 + # Vicor Corporation Digital Supervisor + - vicor,pli1209bc # i2c trusted platform module (TPM) - winbond,wpct301 From patchwork Fri Feb 11 17:17:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcello Sylvester Bauer X-Patchwork-Id: 12743684 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 EEED1C433FE for ; Fri, 11 Feb 2022 17:18:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351983AbiBKRSD (ORCPT ); Fri, 11 Feb 2022 12:18:03 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:39086 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352045AbiBKRR4 (ORCPT ); Fri, 11 Feb 2022 12:17:56 -0500 Received: from mout-p-202.mailbox.org (mout-p-202.mailbox.org [IPv6:2001:67c:2050::465:202]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D817AD69; Fri, 11 Feb 2022 09:17:54 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [80.241.60.240]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-202.mailbox.org (Postfix) with ESMTPS id 4JwL0d23Chz9smw; Fri, 11 Feb 2022 18:17:53 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sylv.io; s=MBO0001; t=1644599870; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sBrcT1VVd0MrCD6jHRab2kCyy7lTGB8wOZHKqEShfWA=; b=qGsCh/MnV6gTmBDhgqGKv+fILkd6/2X0wTy6E6Kdn7KJnVuGAQ8yJv/FriU0oZOdY+uZfW vFW4/E4bhAorYPutdljhDY7YP1Xp0SSL/lvBrmglXdtYVeWILh8Ihipikh4V06MTWA/xVG gJUYKNz2ZX+Q6RMrGXVdEoiqbKB5B77A/6gR6vCpluLIAoaNOQYTAfwIh/P/VsOAe9fXVX OlzW3D+S5KgF0G6As8Ga53G19xf4bJlbxv8j0vtWXTPx5krIbdm0pAyzqtCEtRlQa6UU5R nJSX24RdokLIYxM8py8xrr29rnUwZyEEpxTlboTVtab8HDe/PcwbAXM6ZtvtXQ== From: Marcello Sylvester Bauer To: linux-hwmon@vger.kernel.org Cc: Marcello Sylvester Bauer , Guenter Roeck , Jean Delvare , linux-kernel@vger.kernel.org Subject: [PATCH v1 3/4] pmbus: Add support for pli1209bc Date: Fri, 11 Feb 2022 18:17:12 +0100 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org PLI1209BC is a Digital Supervisor from Vicor Corporation. Signed-off-by: Marcello Sylvester Bauer Reported-by: kernel test robot --- Documentation/hwmon/pli1209bc.rst | 73 +++++++++++++++++++++ drivers/hwmon/pmbus/Kconfig | 9 +++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/pli1209bc.c | 104 ++++++++++++++++++++++++++++++ 4 files changed, 187 insertions(+) create mode 100644 Documentation/hwmon/pli1209bc.rst create mode 100644 drivers/hwmon/pmbus/pli1209bc.c diff --git a/Documentation/hwmon/pli1209bc.rst b/Documentation/hwmon/pli1209bc.rst new file mode 100644 index 000000000000..a3f686d03cf2 --- /dev/null +++ b/Documentation/hwmon/pli1209bc.rst @@ -0,0 +1,73 @@ +Kernel driver pli1209bc +======================= + +Supported chips: + + * Digital Supervisor PLI1209BC + + Prefix: 'pli1209bc' + + Addresses scanned: 0x50 - 0x5F + + Datasheet: https://www.vicorpower.com/documents/datasheets/ds-PLI1209BCxyzz-VICOR.pdf + +Authors: + - Marcello Sylvester Bauer + +Description +----------- + +The Vicor PLI1209BC is an isolated digital power system supervisor thatprovides +a communication interface between a host processor and one Bus Converter Module +(BCM). The PLI communicates with a system controller via a PMBus compatible +interface over an isolated UART interface. Through the PLI, the host processor +can configure, set protection limits, and monitor the BCM. + +Sysfs entries +------------- + +======================= ======================================================== +in1_label "vin2" +in1_input Input voltage. +in1_rated_min Minimum rated input voltage. +in1_rated_max Maximum rated input voltage. +in1_max Maximum input voltage. +in1_max_alarm Input voltage high alarm. +in1_crit Critical input voltage. +in1_crit_alarm Input voltage critical alarm. + +in2_label "vout2" +in2_input Output voltage. +in2_rated_min Minimum rated output voltage. +in2_rated_max Maximum rated output voltage. +in2_alarm Output voltage alarm + +curr1_label "iin2" +curr1_input Input current. +curr1_max Maximum input current. +curr1_max_alarm Maximum input current high alarm. +curr1_crit Critical input current. +curr1_crit_alarm Input current critical alarm. + +curr2_label "iout2" +curr2_input Output current. +curr2_crit Critical output current. +curr2_crit_alarm Output current critical alarm. +curr2_max Maximum output current. +curr2_max_alarm Output current high alarm. + +power1_label "pin2" +power1_input Input power. +power1_alarm Input power alarm. + +power2_label "pout2" +power2_input Output power. +power2_rated_max Maximum rated output power. + +temp1_input Die temperature. +temp1_alarm Die temperature alarm. +temp1_max Maximum die temperature. +temp1_max_alarm Die temperature high alarm. +temp1_crit Critical die temperature. +temp1_crit_alarm Die temperature critical alarm. +======================= ======================================================== diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index c96f7b7338bd..831db423bea0 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -310,6 +310,15 @@ config SENSORS_PIM4328 This driver can also be built as a module. If so, the module will be called pim4328. +config SENSORS_PLI1209BC + tristate "Vicor PLI1209BC" + help + If you say yes here you get hardware monitoring support for Vicor + PLI1209BC Digital Supervisor. + + This driver can also be built as a module. If so, the module will + be called pli1209bc. + config SENSORS_PM6764TR tristate "ST PM6764TR" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index e5935f70c9e0..7ce74e3b8552 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_SENSORS_MP2888) += mp2888.o obj-$(CONFIG_SENSORS_MP2975) += mp2975.o obj-$(CONFIG_SENSORS_MP5023) += mp5023.o obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o +obj-$(CONFIG_SENSORS_PLI1209BC) += pli1209bc.o obj-$(CONFIG_SENSORS_PXE1610) += pxe1610.o obj-$(CONFIG_SENSORS_Q54SJ108A2) += q54sj108a2.o obj-$(CONFIG_SENSORS_STPDDC60) += stpddc60.o diff --git a/drivers/hwmon/pmbus/pli1209bc.c b/drivers/hwmon/pmbus/pli1209bc.c new file mode 100644 index 000000000000..da345eb105fd --- /dev/null +++ b/drivers/hwmon/pmbus/pli1209bc.c @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Hardware monitoring driver for Vicor PLI1209BC Digital Supervisor + * + * Copyright (c) 2022 9elements GmbH + */ + +#include +#include +#include +#include "pmbus.h" + +/* + * The capability command is only supported at page 0. Probing the device while + * the page register is set to 1 will falsely enable PEC support. Disable + * capability probing accordingly, since the PLI1209BC does not have any + * additional capabilities. + */ +static struct pmbus_platform_data pli1209bc_plat_data = { + .flags = PMBUS_NO_CAPABILITY, +}; + +static int pli1209bc_read_word_data(struct i2c_client *client, int page, + int phase, int reg) +{ + int data; + + switch (reg) { + /* PMBUS_READ_PIN uses a direct format with R=1 */ + case PMBUS_READ_PIN: + data = pmbus_read_word_data(client, page, phase, reg); + if (data < 0) + return data; + return div_s64(data + 5LL, 10L); + default: + return -ENODATA; + } +} + +static struct pmbus_driver_info pli1209bc_info = { + .pages = 2, + .format[PSC_VOLTAGE_IN] = direct, + .format[PSC_VOLTAGE_OUT] = direct, + .format[PSC_CURRENT_IN] = direct, + .format[PSC_CURRENT_OUT] = direct, + .format[PSC_POWER] = linear, + .format[PSC_TEMPERATURE] = linear, + .m[PSC_VOLTAGE_IN] = 1, + .b[PSC_VOLTAGE_IN] = 0, + .R[PSC_VOLTAGE_IN] = 1, + .m[PSC_VOLTAGE_OUT] = 1, + .b[PSC_VOLTAGE_OUT] = 0, + .R[PSC_VOLTAGE_OUT] = 1, + .m[PSC_CURRENT_IN] = 1, + .b[PSC_CURRENT_IN] = 0, + .R[PSC_CURRENT_IN] = 3, + .m[PSC_CURRENT_OUT] = 1, + .b[PSC_CURRENT_OUT] = 0, + .R[PSC_CURRENT_OUT] = 2, + .func[0] = 0, /* supervisor summing page without voltage readings */ + .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT + | PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT + | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP + | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT, + .read_word_data = pli1209bc_read_word_data, +}; + +static int pli1209bc_probe(struct i2c_client *client) +{ + client->dev.platform_data = &pli1209bc_plat_data; + return pmbus_do_probe(client, &pli1209bc_info); +} + +static const struct i2c_device_id pli1209bc_id[] = { + {"pli1209bc", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, pli1209bc_id); + +#ifdef CONFIG_OF +static const struct of_device_id pli1209bc_of_match[] = { + { .compatible = "vicor,pli1209bc" }, + { }, +}; +MODULE_DEVICE_TABLE(of, pli1209bc_of_match); +#endif + +/* This is the driver that will be inserted */ +static struct i2c_driver pli1209bc_driver = { + .driver = { + .name = "pli1209bc", + .of_match_table = of_match_ptr(pli1209bc_of_match), + }, + .probe_new = pli1209bc_probe, + .id_table = pli1209bc_id, +}; + +module_i2c_driver(pli1209bc_driver); + +MODULE_AUTHOR("Marcello Sylvester Bauer "); +MODULE_DESCRIPTION("PMBus driver for Vicor PLI1209BC"); +MODULE_LICENSE("GPL"); From patchwork Fri Feb 11 17:17:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcello Sylvester Bauer X-Patchwork-Id: 12743682 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 C8AB7C43217 for ; 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a=rsa-sha256; c=relaxed/relaxed; d=sylv.io; s=MBO0001; t=1644599868; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cYB9jsEmktbZ+WrieEs2dnr7GDeZou2sHGFwgq6lkRI=; b=wkbn6c2sblqfuisyhLCWm+iVNBBVSnbg1SlLQQXiolFVSlUuUnn6EBlj1fy11K2PWEk5UF HR+0gk9Mkbg4gFvYBX9lDaO4NGdXq1qM8Uo9CepkHLS4OnNTn7IOVuvU2CX+Gwme5/ftK+ 8fJv858HCocr9ZNimV98BW8w0aFDD0SL8MkOvOsTSBPI5d+XfofItHDs1Om2D2YgzomyCx KV6A0N6QR7fPHHXZy9RLd5TzRL/yFjMt5r1Qglu+AMxLro5rizQUvUQWar6Q95z+nvBVLt n2KMDiGmTomYoEAyGI6YE+Fq6STtKHMalaXTVZg3yjmRNVW6vC+/wlbD+HAPKA== From: Marcello Sylvester Bauer To: linux-hwmon@vger.kernel.org Cc: Marcello Sylvester Bauer , Guenter Roeck , Jean Delvare , linux-kernel@vger.kernel.org Subject: [PATCH v1 4/4] pmbus (pli1209bc): Add regulator support Date: Fri, 11 Feb 2022 18:17:13 +0100 Message-Id: <0a657d200809dedc5fdd2095fae8c0f2fceecf1f.1644597670.git.sylv@sylv.io> In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add regulator support for PLI1209BC Digital Supervisor. Signed-off-by: Marcello Sylvester Bauer --- drivers/hwmon/pmbus/Kconfig | 8 ++++++++ drivers/hwmon/pmbus/pli1209bc.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 831db423bea0..e64e0f2d93c9 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -319,6 +319,14 @@ config SENSORS_PLI1209BC This driver can also be built as a module. If so, the module will be called pli1209bc. +config SENSORS_PLI1209BC_REGULATOR + bool "Regulator support for PLI1209BC" + depends on SENSORS_PLI1209BC && REGULATOR + help + If you say yes here you get regulator support for Vicor PLI1209BC + Digital Supervisor. + + config SENSORS_PM6764TR tristate "ST PM6764TR" help diff --git a/drivers/hwmon/pmbus/pli1209bc.c b/drivers/hwmon/pmbus/pli1209bc.c index da345eb105fd..ec479b22aa10 100644 --- a/drivers/hwmon/pmbus/pli1209bc.c +++ b/drivers/hwmon/pmbus/pli1209bc.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "pmbus.h" /* @@ -32,11 +33,39 @@ static int pli1209bc_read_word_data(struct i2c_client *client, int page, if (data < 0) return data; return div_s64(data + 5LL, 10L); +#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR) + /* + * PMBUS_READ_VOUT and PMBUS_READ_TEMPERATURE_1 returns invalid data, + * when the BCM is turned off. Since it is not possible to return + * ENODATA error, return zero instead. + */ + case PMBUS_READ_VOUT: + case PMBUS_READ_TEMPERATURE_1: + data = pmbus_read_word_data(client, page, phase, + PMBUS_STATUS_WORD); + if (data < 0) + return data; + if (data & PB_STATUS_POWER_GOOD_N) + return 0L; + return pmbus_read_word_data(client, page, phase, reg); +#endif default: return -ENODATA; } } +#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR) +static const struct regulator_desc pli1209bc_reg_desc = { + .name = "vout2", + .id = 1, + .of_match = of_match_ptr("vout2"), + .regulators_node = of_match_ptr("regulators"), + .ops = &pmbus_regulator_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, +}; +#endif + static struct pmbus_driver_info pli1209bc_info = { .pages = 2, .format[PSC_VOLTAGE_IN] = direct, @@ -64,6 +93,10 @@ static struct pmbus_driver_info pli1209bc_info = { | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT, .read_word_data = pli1209bc_read_word_data, +#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR) + .num_regulators = 1, + .reg_desc = &pli1209bc_reg_desc, +#endif }; static int pli1209bc_probe(struct i2c_client *client)