Commit 95b80c48 authored by Patrick Rudolph's avatar Patrick Rudolph Committed by Guenter Roeck
Browse files

hwmon: (pmbus/tda38640) Add driver for Infineon TDA38640 Voltage Regulator 



Add the pmbus driver for the Infineon TDA38640 voltage regulator.

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/20230124202317.3704963-2-Naresh.Solanki@9elements.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent af499400

drivers/hwmon/pmbus/Kconfig

+16 −0
Original line number Diff line number Diff line
@@ -395,6 +395,22 @@ config SENSORS_STPDDC60 
	  This driver can also be built as a module. If so, the module will

	  be called stpddc60.



config SENSORS_TDA38640

	tristate "Infineon TDA38640"

	help

	  If you say yes here you get hardware monitoring support for Infineon

	  TDA38640.



	  This driver can also be built as a module. If so, the module will

	  be called tda38640.



config SENSORS_TDA38640_REGULATOR

	bool "Regulator support for TDA38640 and compatibles"

	depends on SENSORS_TDA38640 && REGULATOR

	help

	  If you say yes here you get regulator support for Infineon

	  TDA38640 as regulator.



config SENSORS_TPS40422

	tristate "TI TPS40422"

	help

drivers/hwmon/pmbus/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o 
obj-$(CONFIG_SENSORS_PXE1610)	+= pxe1610.o

obj-$(CONFIG_SENSORS_Q54SJ108A2)	+= q54sj108a2.o

obj-$(CONFIG_SENSORS_STPDDC60)	+= stpddc60.o

obj-$(CONFIG_SENSORS_TDA38640)	+= tda38640.o

obj-$(CONFIG_SENSORS_TPS40422)	+= tps40422.o

obj-$(CONFIG_SENSORS_TPS53679)	+= tps53679.o

obj-$(CONFIG_SENSORS_TPS546D24)	+= tps546d24.o

drivers/hwmon/pmbus/tda38640.c

0 → 100644
+74 −0
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// SPDX-License-Identifier: GPL-2.0+

/*

 * Hardware monitoring driver for Infineon TDA38640

 *

 * Copyright (c) 2023 9elements GmbH

 *

 */



#include <linux/err.h>

#include <linux/i2c.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/regulator/driver.h>

#include "pmbus.h"



static const struct regulator_desc __maybe_unused tda38640_reg_desc[] = {

	PMBUS_REGULATOR("vout", 0),

};



static struct pmbus_driver_info tda38640_info = {

	.pages = 1,

	.format[PSC_VOLTAGE_IN] = linear,

	.format[PSC_VOLTAGE_OUT] = linear,

	.format[PSC_CURRENT_OUT] = linear,

	.format[PSC_CURRENT_IN] = linear,

	.format[PSC_POWER] = linear,

	.format[PSC_TEMPERATURE] = linear,



	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT

	    | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP

	    | PMBUS_HAVE_IIN

	    | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT

	    | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT

	    | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN,

#if IS_ENABLED(CONFIG_SENSORS_TDA38640_REGULATOR)

	.num_regulators = 1,

	.reg_desc = tda38640_reg_desc,

#endif

};



static int tda38640_probe(struct i2c_client *client)

{

	return pmbus_do_probe(client, &tda38640_info);

}



static const struct i2c_device_id tda38640_id[] = {

	{"tda38640", 0},

	{}

};

MODULE_DEVICE_TABLE(i2c, tda38640_id);



static const struct of_device_id __maybe_unused tda38640_of_match[] = {

	{ .compatible = "infineon,tda38640"},

	{ },

};

MODULE_DEVICE_TABLE(of, tda38640_of_match);



/* This is the driver that will be inserted */

static struct i2c_driver tda38640_driver = {

	.driver = {

		.name = "tda38640",

		.of_match_table = of_match_ptr(tda38640_of_match),

	},

	.probe_new = tda38640_probe,

	.id_table = tda38640_id,

};



module_i2c_driver(tda38640_driver);



MODULE_AUTHOR("Patrick Rudolph <patrick.rudolph@9elements.com>");

MODULE_DESCRIPTION("PMBus driver for Infineon TDA38640");

MODULE_LICENSE("GPL");

MODULE_IMPORT_NS(PMBUS);