Commit 88fc1efc authored by Patrick Rudolph's avatar Patrick Rudolph Committed by Guenter Roeck
Browse files

hwmon: (pmbus/mp2975) Add regulator support 



Add support to expose the PMBUS regulator.

Tested on MP2973 and MP2971.

Signed-off-by: default avatarPatrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: default avatarNaresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230714135124.2645339-7-Naresh.Solanki@9elements.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 5239277e

drivers/hwmon/pmbus/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -317,6 +317,13 @@ config SENSORS_MP2975 
	  This driver can also be built as a module. If so, the module will

	  be called mp2975.



config SENSORS_MP2975_REGULATOR

	depends on SENSORS_MP2975 && REGULATOR

	bool "Regulator support for MPS MP2975"

	help

	  If you say yes here you get regulator support for MPS MP2975

	  Dual Loop Digital Multi-Phase Controller.



config SENSORS_MP5023

	tristate "MPS MP5023"

	help

drivers/hwmon/pmbus/mp2975.c

+15 −0
Original line number Diff line number Diff line
@@ -115,6 +115,11 @@ static const struct i2c_device_id mp2975_id[] = { 


MODULE_DEVICE_TABLE(i2c, mp2975_id);



static const struct regulator_desc __maybe_unused mp2975_reg_desc[] = {

	PMBUS_REGULATOR("vout", 0),

	PMBUS_REGULATOR("vout", 1),

};



#define to_mp2975_data(x)  container_of(x, struct mp2975_data, info)



static int
@@ -806,6 +811,10 @@ static struct pmbus_driver_info mp2975_info = { 
		PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_POUT |

		PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT | PMBUS_PHASE_VIRTUAL,

	.read_word_data = mp2975_read_word_data,

#if IS_ENABLED(CONFIG_SENSORS_MP2975_REGULATOR)

	.num_regulators = 1,

	.reg_desc = mp2975_reg_desc,

#endif

};



static struct pmbus_driver_info mp2973_info = {
@@ -823,6 +832,10 @@ static struct pmbus_driver_info mp2973_info = { 
		PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_POUT |

		PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT,

	.read_word_data = mp2973_read_word_data,

#if IS_ENABLED(CONFIG_SENSORS_MP2975_REGULATOR)

	.num_regulators = 1,

	.reg_desc = mp2975_reg_desc,

#endif

};



static int mp2975_probe(struct i2c_client *client)
@@ -861,6 +874,8 @@ static int mp2975_probe(struct i2c_client *client) 
		data->info.pages = MP2975_PAGE_NUM;

		data->info.phases[1] = ret;

		data->info.func[1] = MP2975_RAIL2_FUNC;

		if (IS_ENABLED(CONFIG_SENSORS_MP2975_REGULATOR))

			data->info.num_regulators = MP2975_PAGE_NUM;

	}



	if (data->chip_id == mp2975) {