From patchwork Mon Feb 21 09:42:04 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: 12753383 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 00EE0C433EF for ; Mon, 21 Feb 2022 10:23:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354403AbiBUKXV (ORCPT ); Mon, 21 Feb 2022 05:23:21 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:56852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353195AbiBUKW5 (ORCPT ); Mon, 21 Feb 2022 05:22:57 -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 5C7CB3E0F7; Mon, 21 Feb 2022 01:42:40 -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 4K2HQl1wDfz9sdR; Mon, 21 Feb 2022 10:42:39 +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=1645436557; 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=iexhAn7a0X6e5+v3BwqI2mZWVusxhQnAGAHeG/vURlR2VQMLKvRt9NtMLLmcdsAzqwHBQ0 twwqiZFdiXU3/dsDxUc9dX2xV6FrWbu086wB5TZC7n0ccpqTA2mstk7XhGHgCuAfaQhr/j EkmiUtLovQEMLOfCfE2mZhw6dRpXv+x0ilyWyRUPJgwlsTttDsgdkkh6sNeEwWW3OUPM7d 3WRjcKNE0tCurcit9dycUuqOQYO/wkIBiF/g2/9JRMbHNLDK/r2QAppFNz0GXqm4qTXOiB KpchcqAICXJXeDjsm1eQslwD9n4W2oOngvzi4hZZsKcZ/Em5AcpjZv72Dhf+Pg== From: Marcello Sylvester Bauer To: Guenter Roeck , Jean Delvare , Rob Herring Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Patrick Rudolph , Marcello Sylvester Bauer , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v4 1/4] dt-bindings: vendor-prefixes: add Vicor Corporation Date: Mon, 21 Feb 2022 10:42:04 +0100 Message-Id: <5b487a0b68d58b64022662f1e527ac80a6ad81ef.1645435888.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 Acked-by: Rob Herring --- 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 Mon Feb 21 09:42:05 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: 12753382 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 73BB7C433EF for ; Mon, 21 Feb 2022 10:23:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353268AbiBUKXT (ORCPT ); Mon, 21 Feb 2022 05:23:19 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:33478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354327AbiBUKW5 (ORCPT ); Mon, 21 Feb 2022 05:22:57 -0500 Received: from mout-p-202.mailbox.org (mout-p-202.mailbox.org [80.241.56.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B73123E5C3; Mon, 21 Feb 2022 01:42:41 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:105:465:1:1:0]) (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 4K2HQm12DYz9sWT; Mon, 21 Feb 2022 10:42:40 +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=1645436558; 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=Qia4g1k8umSG9wQL559MOs+D7uBYG9muc1P29pjVOUXCFZPkHwvLRo48GGJ0gbOsYgXjaw 79eC9WlHc5veBQF0H5NxbuH1+qR2YLsL54XlboU5NOLv04ABACbTJWfumrdYjS5HMIjqI6 ZDahsgTwt1fKpRMwWhpwKuzXUJrsjYw+DidA2bra1IA7aJvARAoNrHik2LJ02IKu71x6L8 Z9t4po56oGcVDHxfLx9MhlghSGyw5mKAGvwM/A4ixOfXHaZqU2pCLKimsLIQrMguytkav8 zggcB/RJfw0onXZ/r4VK0JgJ/TjZ36XPLx1l3EzbAhlegsfb92h7I4joU6soIg== From: Marcello Sylvester Bauer To: Guenter Roeck , Jean Delvare , Rob Herring Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Patrick Rudolph , Marcello Sylvester Bauer , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v4 2/4] dt-bindings:trivial-devices: Add pli1209bc Date: Mon, 21 Feb 2022 10:42:05 +0100 Message-Id: <15a9fcfb5b9592c6d87f12c2a4c77fd069f5cfff.1645435888.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 Acked-by: Rob Herring --- 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 Mon Feb 21 09:42:06 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: 12753381 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 87266C4332F for ; Mon, 21 Feb 2022 10:22:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354513AbiBUKXI (ORCPT ); Mon, 21 Feb 2022 05:23:08 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:57882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354500AbiBUKW6 (ORCPT ); Mon, 21 Feb 2022 05:22:58 -0500 Received: from mout-p-201.mailbox.org (mout-p-201.mailbox.org [80.241.56.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5636060066; Mon, 21 Feb 2022 01:42:45 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:105:465:1:1:0]) (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-201.mailbox.org (Postfix) with ESMTPS id 4K2HQq72Wyz9sQG; Mon, 21 Feb 2022 10:42:43 +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=1645436561; 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=XmCRsFfqKWupKsZhpAsq325oyBah0xqhWui/oax6grU=; b=UKD2jPdKhpwjoGB1+UFwwb2O8Ybqy7HAi5c/NHrCfu2K8PgN5tVUAb9sUlrE893BwPIkBb e2Z7Xs2qt2HFSY1Xz+p2OFjtyQUSJCQjs9aKOf7UfZ5BSzGQOVDREO1iudvC4TWNoZ4vPE gWK0+Q1cYq3ftETmELJj7M2jMyv0ZNrGXSBDdYJMyMGpeHa6XpfaTdpRETpsdeNNodFRn7 YhLX29IFykD+dSLzMwhBvZTsI/ySCxzGxYVKnnZHH270Q9fGamcaJtONLUxI9NMbdzqgYg Dy2jzeviT20Q7xe+gOqoVrvK4s0ommqMhKZX51nURbMZdv2w75FpV9miLfqc4Q== From: Marcello Sylvester Bauer To: Guenter Roeck , Jean Delvare , Jonathan Corbet Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Patrick Rudolph , Marcello Sylvester Bauer , linux-doc@vger.kernel.org Subject: [PATCH v4 3/4] pmbus: Add support for pli1209bc Date: Mon, 21 Feb 2022 10:42:06 +0100 Message-Id: <4e016e66275bc46c90974aec18b150c874e64787.1645435888.git.sylv@sylv.io> 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 --- Documentation/hwmon/index.rst | 1 + Documentation/hwmon/pli1209bc.rst | 75 +++++++++++++++++++ drivers/hwmon/pmbus/Kconfig | 9 +++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/pli1209bc.c | 115 ++++++++++++++++++++++++++++++ 5 files changed, 201 insertions(+) create mode 100644 Documentation/hwmon/pli1209bc.rst create mode 100644 drivers/hwmon/pmbus/pli1209bc.c diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index b69fdaf1af82..075d1defcd20 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -161,6 +161,7 @@ Hardware Monitoring Kernel Drivers pc87427 pcf8591 pim4328 + pli1209bc pm6764tr pmbus powr1220 diff --git a/Documentation/hwmon/pli1209bc.rst b/Documentation/hwmon/pli1209bc.rst new file mode 100644 index 000000000000..ea5b3f68a515 --- /dev/null +++ b/Documentation/hwmon/pli1209bc.rst @@ -0,0 +1,75 @@ +.. SPDX-License-Identifier: GPL-2.0 + +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 that provides +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 c73aa50c7615..f18f67a94697 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -317,6 +317,15 @@ 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..a4a96ac71de7 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_SENSORS_MAX8688) += max8688.o obj-$(CONFIG_SENSORS_MP2888) += mp2888.o obj-$(CONFIG_SENSORS_MP2975) += mp2975.o obj-$(CONFIG_SENSORS_MP5023) += mp5023.o +obj-$(CONFIG_SENSORS_PLI1209BC) += pli1209bc.o obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o obj-$(CONFIG_SENSORS_PXE1610) += pxe1610.o obj-$(CONFIG_SENSORS_Q54SJ108A2) += q54sj108a2.o diff --git a/drivers/hwmon/pmbus/pli1209bc.c b/drivers/hwmon/pmbus/pli1209bc.c new file mode 100644 index 000000000000..5f8847307e55 --- /dev/null +++ b/drivers/hwmon/pmbus/pli1209bc.c @@ -0,0 +1,115 @@ +// 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_POUT uses a direct format with R=0 */ + case PMBUS_READ_POUT: + data = pmbus_read_word_data(client, page, phase, reg); + if (data < 0) + return data; + data = sign_extend32(data, 15) * 10; + return clamp_val(data, -32768, 32767) & 0xffff; + 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] = direct, + .format[PSC_TEMPERATURE] = direct, + .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, + .m[PSC_POWER] = 1, + .b[PSC_POWER] = 0, + .R[PSC_POWER] = 1, + .m[PSC_TEMPERATURE] = 1, + .b[PSC_TEMPERATURE] = 0, + .R[PSC_TEMPERATURE] = 0, + /* + * Page 0 sums up all attributes except voltage readings. + * The pli1209 digital supervisor only contains a single BCM, making + * page 0 redundant. + */ + .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 + +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"); +MODULE_IMPORT_NS(PMBUS); From patchwork Mon Feb 21 09:42:07 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: 12753380 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 D7739C433EF for ; Mon, 21 Feb 2022 10:22:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353961AbiBUKXG (ORCPT ); Mon, 21 Feb 2022 05:23:06 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:56376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353333AbiBUKW6 (ORCPT ); Mon, 21 Feb 2022 05:22:58 -0500 Received: from mout-p-103.mailbox.org (mout-p-103.mailbox.org [80.241.56.161]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BBD26005F; Mon, 21 Feb 2022 01:42:44 -0800 (PST) Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:105:465:1:1:0]) (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-103.mailbox.org (Postfix) with ESMTPS id 4K2HQq30pqz9sdL; Mon, 21 Feb 2022 10:42:43 +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=1645436561; 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=5zDT7vSi9fcWRgO6D47twmIF4dJbZysIxXfi1k5jmWs=; b=mp72uL4RsZOKzUUcOAeA7YA3tRppi+UCeEzQGpK0zJFI75cupAxBshKHQdudW0ZIxIkP4O MUBZZLxecc3apfXag2K6F0vMi52S/ZDcQ+DTws29VfQNkJolj/PZt8ciqyrTcYwvHyGpxr 0hwAfw83zJBAPrJI7RpzFfkQX5CARSihZn6Fvey0WU31KaBlHQ96GlM5T7bO1543W25V+x efqaLcw1urn0bRslc2zojUwEJoDS40MmE78PqvGkX/0gn3hJG6N7juYRo5jeWtfBaLhGl+ Lpx1h0W5JmNmTn/lgMotONO4IdGa8tjRbfjD+buCDexOiwHQQy0wQ1rSV4IZSw== From: Marcello Sylvester Bauer To: Guenter Roeck , Jean Delvare Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Patrick Rudolph , Marcello Sylvester Bauer Subject: [PATCH v4 4/4] pmbus (pli1209bc): Add regulator support Date: Mon, 21 Feb 2022 10:42:07 +0100 Message-Id: <21b0cdb6dd72654effa451d3b1636ecd07b160e9.1645435888.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 | 7 +++++++ drivers/hwmon/pmbus/pli1209bc.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+) diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index f18f67a94697..6552467c588d 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -326,6 +326,13 @@ 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 5f8847307e55..05b4ee35ba27 100644 --- a/drivers/hwmon/pmbus/pli1209bc.c +++ b/drivers/hwmon/pmbus/pli1209bc.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "pmbus.h" /* @@ -33,11 +34,37 @@ static int pli1209bc_read_word_data(struct i2c_client *client, int page, return data; data = sign_extend32(data, 15) * 10; return clamp_val(data, -32768, 32767) & 0xffff; + /* + * PMBUS_READ_VOUT and PMBUS_READ_TEMPERATURE_1 return 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 0; + return pmbus_read_word_data(client, page, phase, reg); 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, @@ -75,6 +102,10 @@ 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)