diff options
author | Robert Hancock <hancock@sedsystems.ca> | 2019-06-05 13:49:01 -0600 |
---|---|---|
committer | Guenter Roeck <linux@roeck-us.net> | 2019-06-23 18:33:01 -0700 |
commit | 9158411b96b14d9d448e978b0fc8a1cffcb8a1c6 (patch) | |
tree | edb49377eaed532976c38cb4135284ef5ec9183e /drivers/hwmon/pmbus | |
parent | b67b7356135a4f969a33cde46359ab1068a75117 (diff) | |
download | linux-9158411b96b14d9d448e978b0fc8a1cffcb8a1c6.tar.bz2 |
hwmon: (pmbus) Add Infineon IRPS5401 driver
Add a driver to support the Infineon IRPS5401 PMIC. This chip has 5
pages corresponding to 4 switching outputs and one linear (LDO) output.
The switching and LDO outputs have slightly different supported
parameters.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/pmbus')
-rw-r--r-- | drivers/hwmon/pmbus/Kconfig | 9 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/Makefile | 1 | ||||
-rw-r--r-- | drivers/hwmon/pmbus/irps5401.c | 67 |
3 files changed, 77 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 338ef9b5a395..b6588483fae1 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -64,6 +64,15 @@ config SENSORS_IR38064 This driver can also be built as a module. If so, the module will be called ir38064. +config SENSORS_IRPS5401 + tristate "Infineon IRPS5401" + help + If you say yes here you get hardware monitoring support for the + Infineon IRPS5401 controller. + + This driver can also be built as a module. If so, the module will + be called irps5401. + config SENSORS_ISL68137 tristate "Intersil ISL68137" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index b0fbd017a91a..c950ea9a5d00 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o obj-$(CONFIG_SENSORS_IBM_CFFPS) += ibm-cffps.o obj-$(CONFIG_SENSORS_IR35221) += ir35221.o obj-$(CONFIG_SENSORS_IR38064) += ir38064.o +obj-$(CONFIG_SENSORS_IRPS5401) += irps5401.o obj-$(CONFIG_SENSORS_ISL68137) += isl68137.o obj-$(CONFIG_SENSORS_LM25066) += lm25066.o obj-$(CONFIG_SENSORS_LTC2978) += ltc2978.o diff --git a/drivers/hwmon/pmbus/irps5401.c b/drivers/hwmon/pmbus/irps5401.c new file mode 100644 index 000000000000..d37daa001fb3 --- /dev/null +++ b/drivers/hwmon/pmbus/irps5401.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Hardware monitoring driver for the Infineon IRPS5401M PMIC. + * + * Copyright (c) 2019 SED Systems, a division of Calian Ltd. + * + * The device supports VOUT_PEAK, IOUT_PEAK, and TEMPERATURE_PEAK, however + * this driver does not currently support them. + */ + +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include "pmbus.h" + +#define IRPS5401_SW_FUNC (PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | \ + PMBUS_HAVE_STATUS_INPUT | \ + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \ + PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \ + PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \ + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP) + +#define IRPS5401_LDO_FUNC (PMBUS_HAVE_VIN | \ + PMBUS_HAVE_STATUS_INPUT | \ + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \ + PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \ + PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \ + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP) + +static struct pmbus_driver_info irps5401_info = { + .pages = 5, + .func[0] = IRPS5401_SW_FUNC, + .func[1] = IRPS5401_SW_FUNC, + .func[2] = IRPS5401_SW_FUNC, + .func[3] = IRPS5401_SW_FUNC, + .func[4] = IRPS5401_LDO_FUNC, +}; + +static int irps5401_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + return pmbus_do_probe(client, id, &irps5401_info); +} + +static const struct i2c_device_id irps5401_id[] = { + {"irps5401", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, irps5401_id); + +static struct i2c_driver irps5401_driver = { + .driver = { + .name = "irps5401", + }, + .probe = irps5401_probe, + .remove = pmbus_do_remove, + .id_table = irps5401_id, +}; + +module_i2c_driver(irps5401_driver); + +MODULE_AUTHOR("Robert Hancock"); +MODULE_DESCRIPTION("PMBus driver for Infineon IRPS5401"); +MODULE_LICENSE("GPL"); |