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hwmon: (tmp108) Add support for I3C device

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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: Frank Li <Frank.Li@nxp.com>
Message-ID: <20241112-p3t1085-v4-2-a1334314b1e6@nxp.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Frank Li 2024-11-12 11:52:00 -05:00 committed by Guenter Roeck
parent 700f325019
commit c40655e331
2 changed files with 35 additions and 1 deletions
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1
drivers/hwmon/Kconfig
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@ -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.

35
drivers/hwmon/tmp108.c
View File

@ -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");