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[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: linux-hwmon@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);