From patchwork Tue Jan 24 11:01:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naresh Solanki X-Patchwork-Id: 646176 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 CCD36C25B4E for ; Tue, 24 Jan 2023 11:02:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233451AbjAXLBn (ORCPT ); Tue, 24 Jan 2023 06:01:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233239AbjAXLBi (ORCPT ); Tue, 24 Jan 2023 06:01:38 -0500 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1EC8A6A6A for ; Tue, 24 Jan 2023 03:01:37 -0800 (PST) Received: by mail-wr1-x436.google.com with SMTP id q5so8823420wrv.0 for ; Tue, 24 Jan 2023 03:01:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=9elements.com; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Diba07ViOeI4wEotQ3miGeT+MgDEwdMPT+7cnpc7+uQ=; b=hdp8oo/fUcR6XBjX1xguZjy7WC9HxTC3SEGl5XuL1VYwFqWAVC76aOuaMbWBX+wvAN FUoB1fXraWV8TFn4MIF320lKbU2rJqUWEEeBdS8pnC5lAcPXbHcI0aIBUSlMI3D+Sdn7 06ZEoRf1PAa95/S6L1k8OuQhZkWt/6hiHouHVvw1/qIbd/Vg0F4XNF+Y9uJKh7NHWJR3 uT/4J+WWR5GTwB6fqqo85OBd902mcR8Qy2plpXsVCdKcu0KpteK0f8EUc5euNjyewHyW rBtb4/EV26DWFhEHW0PB3MvtE5BFtl7Sfk4oGIUGo26e1PJdVdd2NCkZCYL+Kew5xz9b uBoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Diba07ViOeI4wEotQ3miGeT+MgDEwdMPT+7cnpc7+uQ=; b=D1H7woZjE01Lgi1CN7PZmGKuL8lruY4X7CLgWLbgRsSFrOlmkxJKhQYWIYCaX0ev1g sYwZW/u+uHSt0mU7duMIMHQpXve71mrGElzGW4O20HCwZWrT+WNc13j5pO9kJTZbgGxI mZdH9fhxAx1n0LUhCso+6clELnagdl6F2/Jn1d3zdFyk7u+DEBaVbLAdiwlJ/LoKdm3+ 8o0497crdjOuJVtCO57pamnYMyx3NVw48asZmVieRq+f0LJIxnszLzYBy3bJ4sdz/SDA QPTc8eWvVZrBUbhNdoaRqnuGT8bPNY/2WFgyYYrbmq5RYYjuVyt3K3oAnwiIhFqfHHjm jU1Q== X-Gm-Message-State: AFqh2kofq25vGfjxARJ4CORHFntczsDlKviCBPTq/LEYm/01jaKtec/+ eJM2jL9C2bdhfRUZE4xAToN/Ew== X-Google-Smtp-Source: AMrXdXurQ9dgqy4d6gZMB2MpKM4y/VSKWdvMjQa5viPyjthVLnhd6qbbXkVTGHHlpyaqUVoM3u2bDQ== X-Received: by 2002:a05:6000:689:b0:2bd:ffad:1bce with SMTP id bo9-20020a056000068900b002bdffad1bcemr27235891wrb.59.1674558095580; Tue, 24 Jan 2023 03:01:35 -0800 (PST) Received: from stroh80.sec.9e.network (ip-078-094-000-051.um19.pools.vodafone-ip.de. [78.94.0.51]) by smtp.gmail.com with ESMTPSA id j20-20020a5d6e54000000b002b9b9445149sm1935328wrz.54.2023.01.24.03.01.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Jan 2023 03:01:35 -0800 (PST) From: Naresh Solanki X-Google-Original-From: Naresh Solanki To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Jean Delvare Cc: linux-hwmon@vger.kernel.org, Patrick Rudolph , Naresh Solanki , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] hwmon: (pmbus/tda38640) Add driver for Infineon TDA38640 Voltage Regulator Date: Tue, 24 Jan 2023 12:01:11 +0100 Message-Id: <20230124110111.3965317-1-Naresh.Solanki@9elements.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Patrick Rudolph Add the pmbus driver for the Infineon TDA38640 voltage regulator. Signed-off-by: Patrick Rudolph Signed-off-by: Naresh Solanki --- .../devicetree/bindings/trivial-devices.yaml | 2 + drivers/hwmon/pmbus/Kconfig | 16 ++++ drivers/hwmon/pmbus/Makefile | 1 + drivers/hwmon/pmbus/tda38640.c | 78 +++++++++++++++++++ 4 files changed, 97 insertions(+) create mode 100644 drivers/hwmon/pmbus/tda38640.c base-commit: 4d891f76a30d3be4194a805c5e4277786140ef05 diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index f5c0a6283e61..a28b02036489 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -141,6 +141,8 @@ properties: - infineon,slb9645tt # Infineon SLB9673 I2C TPM 2.0 - infineon,slb9673 + # Infineon TDA38640 Voltage Regulator + - infineon,tda38640 # Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor - infineon,tlv493d-a1b6 # Infineon Multi-phase Digital VR Controller xdpe11280 diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 30448e049486..9f4bbb9c487a 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -395,6 +395,22 @@ config SENSORS_STPDDC60 This driver can also be built as a module. If so, the module will be called stpddc60. +config SENSORS_TDA38640 + tristate "Infineon TDA38640" + help + If you say yes here you get hardware monitoring support for Infineon + TDA38640. + + This driver can also be built as a module. If so, the module will + be called tda38640. + +config SENSORS_TDA38640_REGULATOR + bool "Regulator support for TDA38640 and compatibles" + depends on SENSORS_TDA38640 && REGULATOR + help + If you say yes here you get regulator support for Infineon + TDA38640 as regulator. + config SENSORS_TPS40422 tristate "TI TPS40422" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index d9d2fa4bd6f7..3ae019916267 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -40,6 +40,7 @@ obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o obj-$(CONFIG_SENSORS_PXE1610) += pxe1610.o obj-$(CONFIG_SENSORS_Q54SJ108A2) += q54sj108a2.o obj-$(CONFIG_SENSORS_STPDDC60) += stpddc60.o +obj-$(CONFIG_SENSORS_TDA38640) += tda38640.o obj-$(CONFIG_SENSORS_TPS40422) += tps40422.o obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o obj-$(CONFIG_SENSORS_TPS546D24) += tps546d24.o diff --git a/drivers/hwmon/pmbus/tda38640.c b/drivers/hwmon/pmbus/tda38640.c new file mode 100644 index 000000000000..31e17a936b8c --- /dev/null +++ b/drivers/hwmon/pmbus/tda38640.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Hardware monitoring driver for Infineon TDA38640 + * + * Copyright (c) 2023 9elements GmbH + * + */ + +#include +#include +#include +#include +#include +#include +#include "pmbus.h" + +#if IS_ENABLED(CONFIG_SENSORS_TDA38640_REGULATOR) +static const struct regulator_desc tda38640_reg_desc[] = { + PMBUS_REGULATOR("vout", 0), +}; +#endif /* CONFIG_SENSORS_TDA38640_REGULATOR */ + +static struct pmbus_driver_info tda38640_info = { + .pages = 1, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = linear, + .format[PSC_CURRENT_OUT] = linear, + .format[PSC_CURRENT_IN] = linear, + .format[PSC_POWER] = linear, + .format[PSC_TEMPERATURE] = linear, + + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP + | PMBUS_HAVE_IIN + | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN, +#if IS_ENABLED(CONFIG_SENSORS_TDA38640_REGULATOR) + .num_regulators = 1, + .reg_desc = tda38640_reg_desc, +#endif +}; + +static int tda38640_probe(struct i2c_client *client) +{ + return pmbus_do_probe(client, &tda38640_info); +} + +static const struct i2c_device_id tda38640_id[] = { + {"tda38640", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, tda38640_id); + +#ifdef CONFIG_OF +static const struct of_device_id tda38640_of_match[] = { + { .compatible = "infineon,tda38640"}, + { }, +}; +MODULE_DEVICE_TABLE(of, tda38640_of_match); +#endif + +/* This is the driver that will be inserted */ +static struct i2c_driver tda38640_driver = { + .driver = { + .name = "tda38640", + }, + .probe_new = tda38640_probe, + .id_table = tda38640_id, +}; + +module_i2c_driver(tda38640_driver); + +MODULE_AUTHOR("Patrick Rudolph "); +MODULE_DESCRIPTION("PMBus driver for Infineon TDA38640"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(PMBUS);