summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorFrank Li <Frank.Li@nxp.com>2024-11-12 11:52:00 -0500
committerGuenter Roeck <linux@roeck-us.net>2024-11-12 13:54:55 -0800
commitc40655e3310649866c4ebf7a10f0d53802ebdfa9 (patch)
tree3bc415b0cc8a365f41efc2a5ba2fe5cbad33ef7c /drivers
parent700f3250198d51093884254220a96777a922dd47 (diff)
downloadlinux-stable-c40655e3310649866c4ebf7a10f0d53802ebdfa9.tar.gz
linux-stable-c40655e3310649866c4ebf7a10f0d53802ebdfa9.tar.bz2
linux-stable-c40655e3310649866c4ebf7a10f0d53802ebdfa9.zip
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: Frank Li <Frank.Li@nxp.com> Message-ID: <20241112-p3t1085-v4-2-a1334314b1e6@nxp.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hwmon/Kconfig1
-rw-r--r--drivers/hwmon/tmp108.c35
2 files changed, 35 insertions, 1 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 7b9b52fa731c..ad20dc8506f9 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -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.
diff --git a/drivers/hwmon/tmp108.c b/drivers/hwmon/tmp108.c
index bfbea6349a95..1f36af2cd2d9 100644
--- a/drivers/hwmon/tmp108.c
+++ b/drivers/hwmon/tmp108.c
@@ -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");