diff options
| author | Howard Chiu (邱冠睿) <Howard.Chiu@quantatw.com> | 2021-12-09 07:48:54 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2022-01-13 09:37:30 +0300 |
| commit | dedb1a25f2096152c9ea1d461b8b374a099a4627 (patch) | |
| tree | bc345aefcd67bd95277bfebdd9b213292fbf1d19 /drivers/hwmon | |
| parent | dd1e40cecc7ca43ce22552e380bbc00b720575f5 (diff) | |
| download | linux-dedb1a25f2096152c9ea1d461b8b374a099a4627.tar.xz | |
hwmon: (pmbus) Add support for MPS Multi-phase mp5023
Add support for mp5023 device from Monolithic Power Systems, Inc. (MPS)
vendor. This is a Hot-Swap Controller.
OpenBMC-Staging-Count: 1
Signed-off-by: Howard Chiu <howard.chiu@quantatw.com>
Link: https://lore.kernel.org/r/HKAPR04MB400349AA406694FB976D78D096709@HKAPR04MB4003.apcprd04.prod.outlook.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/mp5023.c | 66 |
3 files changed, 76 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index ffb609cee3a4..b56bd8542864 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -276,6 +276,15 @@ config SENSORS_MP2975 This driver can also be built as a module. If so, the module will be called mp2975. +config SENSORS_MP5023 + tristate "MPS MP5023" + help + If you say yes here you get hardware monitoring support for MPS + MP5023. + + This driver can also be built as a module. If so, the module will + be called mp5023. + config SENSORS_PIM4328 tristate "Flex PIM4328 and compatibles" help diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index 0ed4d596a948..61cdc24b1309 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_SENSORS_MAX34440) += max34440.o obj-$(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_PM6764TR) += pm6764tr.o obj-$(CONFIG_SENSORS_PXE1610) += pxe1610.o obj-$(CONFIG_SENSORS_Q54SJ108A2) += q54sj108a2.o diff --git a/drivers/hwmon/pmbus/mp5023.c b/drivers/hwmon/pmbus/mp5023.c new file mode 100644 index 000000000000..14d3934aa099 --- /dev/null +++ b/drivers/hwmon/pmbus/mp5023.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for MPS MP5023 Hot-Swap Controller + */ + +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include "pmbus.h" + +static struct pmbus_driver_info mp5023_info = { + .pages = 1, + + .format[PSC_VOLTAGE_IN] = direct, + .format[PSC_VOLTAGE_OUT] = direct, + .format[PSC_CURRENT_OUT] = direct, + .format[PSC_POWER] = direct, + .format[PSC_TEMPERATURE] = direct, + + .m[PSC_VOLTAGE_IN] = 32, + .b[PSC_VOLTAGE_IN] = 0, + .R[PSC_VOLTAGE_IN] = 0, + .m[PSC_VOLTAGE_OUT] = 32, + .b[PSC_VOLTAGE_OUT] = 0, + .R[PSC_VOLTAGE_OUT] = 0, + .m[PSC_CURRENT_OUT] = 16, + .b[PSC_CURRENT_OUT] = 0, + .R[PSC_CURRENT_OUT] = 0, + .m[PSC_POWER] = 1, + .b[PSC_POWER] = 0, + .R[PSC_POWER] = 0, + .m[PSC_TEMPERATURE] = 2, + .b[PSC_TEMPERATURE] = 0, + .R[PSC_TEMPERATURE] = 0, + + .func[0] = + PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_PIN | + PMBUS_HAVE_TEMP | PMBUS_HAVE_IOUT | + PMBUS_HAVE_STATUS_INPUT | PMBUS_HAVE_STATUS_TEMP, +}; + +static int mp5023_probe(struct i2c_client *client) +{ + return pmbus_do_probe(client, &mp5023_info); +} + +static const struct of_device_id __maybe_unused mp5023_of_match[] = { + { .compatible = "mps,mp5023", }, + {} +}; + +MODULE_DEVICE_TABLE(of, mp5023_of_match); + +static struct i2c_driver mp5023_driver = { + .driver = { + .name = "mp5023", + .of_match_table = of_match_ptr(mp5023_of_match), + }, + .probe_new = mp5023_probe, +}; + +module_i2c_driver(mp5023_driver); + +MODULE_AUTHOR("Howard Chiu <howard.chiu@quantatw.com>"); +MODULE_DESCRIPTION("PMBus driver for MPS MP5023 HSC"); +MODULE_LICENSE("GPL"); |