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hwmon: (pmbus) add support for Delta E50SN12051

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Add the pmbus driver for Delta E50SN12051 600W Non-isolated
1/8th Brick DCDC Power Modules.

Signed-off-by: Colin Huang <u8813345@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20260508-add-e50sn12051-v5-3-abebdcc29665@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Colin Huang 2026-05-08 17:44:30 +08:00 committed by Guenter Roeck
parent c41bc86778
commit 98be2444a6
3 changed files with 62 additions and 0 deletions
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9
drivers/hwmon/pmbus/Kconfig
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@ -161,6 +161,15 @@ config SENSORS_DPS920AB
This driver can also be built as a module. If so, the module will
be called dps920ab.
config SENSORS_E50SN12051
tristate "Delta E50SN12051 Power Modules"
help
If you say yes here you get hardware monitoring support for Delta
E50SN12051 Power Modules.
This driver can also be built as a module. If so, the module will
be called e50sn12051.
config SENSORS_INA233
tristate "Texas Instruments INA233 and compatibles"
help

1
drivers/hwmon/pmbus/Makefile
View File

@ -17,6 +17,7 @@ obj-$(CONFIG_SENSORS_FSP_3Y) += fsp-3y.o
obj-$(CONFIG_SENSORS_HAC300S) += hac300s.o
obj-$(CONFIG_SENSORS_IBM_CFFPS) += ibm-cffps.o
obj-$(CONFIG_SENSORS_DPS920AB) += dps920ab.o
obj-$(CONFIG_SENSORS_E50SN12051) += e50sn12051.o
obj-$(CONFIG_SENSORS_INA233) += ina233.o
obj-$(CONFIG_SENSORS_INSPUR_IPSPS) += inspur-ipsps.o
obj-$(CONFIG_SENSORS_IR35221) += ir35221.o

52
drivers/hwmon/pmbus/e50sn12051.c Normal file
View File

@ -0,0 +1,52 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Hardware monitoring driver for E50SN12051
*/
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include "pmbus.h"
static struct pmbus_driver_info e50sn12051_info = {
.pages = 1,
.format[PSC_VOLTAGE_IN] = linear,
.format[PSC_VOLTAGE_OUT] = linear,
.format[PSC_CURRENT_OUT] = linear,
.format[PSC_TEMPERATURE] = linear,
.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT |
PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
};
static const struct i2c_device_id e50sn12051_id[] = { { "e50sn12051", 0 }, {} };
MODULE_DEVICE_TABLE(i2c, e50sn12051_id);
static const struct of_device_id e50sn12051_of_match[] = {
{ .compatible = "delta,e50sn12051" },
{},
};
MODULE_DEVICE_TABLE(of, e50sn12051_of_match);
static int e50sn12051_probe(struct i2c_client *client)
{
return pmbus_do_probe(client, &e50sn12051_info);
}
static struct i2c_driver e50sn12051_driver = {
.driver = {
.name = "e50sn12051",
.of_match_table = e50sn12051_of_match,
},
.probe = e50sn12051_probe,
.id_table = e50sn12051_id,
};
module_i2c_driver(e50sn12051_driver);
MODULE_AUTHOR("Kevin Chang <kevin.chang2@amd.com>");
MODULE_DESCRIPTION("PMBus driver for E50SN12051");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("PMBUS");