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| -rw-r--r-- | Documentation/hwmon/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/hwmon/xdpe152c4.rst | 118 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/xdpe152c4.c | 75 |
5 files changed, 204 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 863b76289159..355c682f9ec4 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -223,6 +223,7 @@ Hardware Monitoring Kernel Drivers wm8350 xgene-hwmon xdpe12284 + xdpe152c4 zl6100 .. only:: subproject and html diff --git a/Documentation/hwmon/xdpe152c4.rst b/Documentation/hwmon/xdpe152c4.rst new file mode 100644 index 000000000000..ab92c32d4d69 --- /dev/null +++ b/Documentation/hwmon/xdpe152c4.rst @@ -0,0 +1,118 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver xdpe152 +===================== + +Supported chips: + + * Infineon XDPE152C4 + + Prefix: 'xdpe152c4' + + * Infineon XDPE15284 + + Prefix: 'xdpe15284' + +Authors: + + Greg Schwendimann <greg.schwendimann@infineon.com> + +Description +----------- + +This driver implements support for Infineon Digital Multi-phase Controller +XDPE152C4 and XDPE15284 dual loop voltage regulators. +The devices are compliant with: + +- Intel VR13, VR13HC and VR14 rev 1.86 + converter specification. +- Intel SVID rev 1.93. protocol. +- PMBus rev 1.3.1 interface. + +Devices support linear format for reading input and output voltage, input +and output current, input and output power and temperature. + +Devices support two pages for telemetry. + +The driver provides for current: input, maximum and critical thresholds +and maximum and critical alarms. Low Critical thresholds and Low 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[1-4]_crit** + +**curr[1-4]_crit_alarm** + +**curr[1-4]_input** + +**curr[1-4]_label** + +**curr[1-4]_max** + +**curr[1-4]_max_alarm** + +**curr[3-4]_lcrit** + +**curr[3-4]_lcrit_alarm** + +**curr[3-4]_rated_max** + +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]_min** + +**in[1-4]_crit** + +**in[1-4_crit_alarm** + +**in[1-4]_input** + +**in[1-4]_label** + +**in[1-4]_max** + +**in[1-4]_max_alarm** + +**in[1-4]_min** + +**in[1-4]_min_alarm** + +**in[3-4]_lcrit** + +**in[3-4]_lcrit_alarm** + +**in[3-4]_rated_max** + +**in[3-4]_rated_min** + +The driver provides for power: input and alarms. +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** + +**power[1-4]_max** + +**power[1-4]_rated_max** + +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** diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 53683d2d0fb2..dfae76db65ae 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -408,6 +408,15 @@ config SENSORS_UCD9200 This driver can also be built as a module. If so, the module will be called ucd9200. +config SENSORS_XDPE152 + tristate "Infineon XDPE152 family" + help + If you say yes here you get hardware monitoring support for Infineon + XDPE15284, XDPE152C4, device. + + This driver can also be built as a module. If so, the module will + be called xdpe152c4. + config SENSORS_XDPE122 tristate "Infineon XDPE122 family" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index a4a96ac71de7..4678fba5012c 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -43,5 +43,6 @@ obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o obj-$(CONFIG_SENSORS_UCD9000) += ucd9000.o obj-$(CONFIG_SENSORS_UCD9200) += ucd9200.o obj-$(CONFIG_SENSORS_XDPE122) += xdpe12284.o +obj-$(CONFIG_SENSORS_XDPE152) += xdpe152c4.o obj-$(CONFIG_SENSORS_ZL6100) += zl6100.o obj-$(CONFIG_SENSORS_PIM4328) += pim4328.o diff --git a/drivers/hwmon/pmbus/xdpe152c4.c b/drivers/hwmon/pmbus/xdpe152c4.c new file mode 100644 index 000000000000..b8a36ef73e45 --- /dev/null +++ b/drivers/hwmon/pmbus/xdpe152c4.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers + * + * Copyright (c) 2022 Infineon Technologies. All rights reserved. + */ + +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include "pmbus.h" + +#define XDPE152_PAGE_NUM 2 + +static struct pmbus_driver_info xdpe152_info = { + .pages = XDPE152_PAGE_NUM, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = linear, + .format[PSC_TEMPERATURE] = linear, + .format[PSC_CURRENT_IN] = linear, + .format[PSC_CURRENT_OUT] = linear, + .format[PSC_POWER] = linear, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | + PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, + .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | + PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, +}; + +static int xdpe152_probe(struct i2c_client *client) +{ + struct pmbus_driver_info *info; + + info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info), + GFP_KERNEL); + if (!info) + return -ENOMEM; + + return pmbus_do_probe(client, info); +} + +static const struct i2c_device_id xdpe152_id[] = { + {"xdpe152c4", 0}, + {"xdpe15284", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, xdpe152_id); + +static const struct of_device_id __maybe_unused xdpe152_of_match[] = { + {.compatible = "infineon,xdpe152c4"}, + {.compatible = "infineon,xdpe15284"}, + {} +}; +MODULE_DEVICE_TABLE(of, xdpe152_of_match); + +static struct i2c_driver xdpe152_driver = { + .driver = { + .name = "xdpe152c4", + .of_match_table = of_match_ptr(xdpe152_of_match), + }, + .probe_new = xdpe152_probe, + .id_table = xdpe152_id, +}; + +module_i2c_driver(xdpe152_driver); + +MODULE_AUTHOR("Greg Schwendimann <greg.schwendimann@infineon.com>"); +MODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(PMBUS); |