Commit c40655e3 authored by Frank Li's avatar Frank Li Committed by Guenter Roeck
Browse files

hwmon: (tmp108) Add support for I3C device 



Add support for I3C device in the tmp108 driver to handle the P3T1085
sensor. Register the I3C device driver to enable I3C functionality for the
sensor.

Signed-off-by: default avatarFrank Li <Frank.Li@nxp.com>
Message-ID: <20241112-p3t1085-v4-2-a1334314b1e6@nxp.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 700f3250

drivers/hwmon/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -2298,6 +2298,7 @@ config SENSORS_TMP108 
	tristate "Texas Instruments TMP108"

	depends on I2C

	select REGMAP_I2C

	select REGMAP_I3C if I3C

	help

	  If you say yes here you get support for Texas Instruments TMP108

	  sensor chips and NXP P3T1085.

drivers/hwmon/tmp108.c

+34 −1
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/mutex.h>

#include <linux/of.h>

#include <linux/i2c.h>

#include <linux/i3c/device.h>

#include <linux/init.h>

#include <linux/jiffies.h>

#include <linux/regmap.h>
@@ -440,7 +441,39 @@ static struct i2c_driver tmp108_driver = { 
	.id_table	= tmp108_i2c_ids,

};



module_i2c_driver(tmp108_driver);

static const struct i3c_device_id p3t1085_i3c_ids[] = {

	I3C_DEVICE(0x011b, 0x1529, NULL),

	{}

};

MODULE_DEVICE_TABLE(i3c, p3t1085_i3c_ids);



static int p3t1085_i3c_probe(struct i3c_device *i3cdev)

{

	struct device *dev = i3cdev_to_dev(i3cdev);

	struct regmap *regmap;



#ifdef CONFIG_REGMAP_I3C

	regmap = devm_regmap_init_i3c(i3cdev, &tmp108_regmap_config);

#else

	regmap = ERR_PTR(-ENODEV);

#endif



	if (IS_ERR(regmap))

		return dev_err_probe(dev, PTR_ERR(regmap),

				     "Failed to register i3c regmap\n");



	return tmp108_common_probe(dev, regmap, "p3t1085_i3c");

}



static struct i3c_driver p3t1085_driver = {

	.driver = {

		.name = "p3t1085_i3c",

	},

	.probe = p3t1085_i3c_probe,

	.id_table = p3t1085_i3c_ids,

};



module_i3c_i2c_driver(p3t1085_driver, &tmp108_driver)



MODULE_AUTHOR("John Muir <john@jmuir.com>");

MODULE_DESCRIPTION("Texas Instruments TMP108 temperature sensor driver");