[PATCH v2 3/4] hwmon: tmp108: Add support for I3C device

[Frank Li <Frank.Li@nxp.com>]

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>
---
 drivers/hwmon/tmp108.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/hwmon/tmp108.c b/drivers/hwmon/tmp108.c
index bfbea6349a95f..83d6847cb542c 100644
--- a/drivers/hwmon/tmp108.c
+++ b/drivers/hwmon/tmp108.c
@@ -13,6 +13,8 @@
 #include <linux/mutex.h>
 #include <linux/of.h>
 #include <linux/i2c.h>
+#include <linux/i3c/device.h>
+#include <linux/i3c/master.h>
 #include <linux/init.h>
 #include <linux/jiffies.h>
 #include <linux/regmap.h>
@@ -442,6 +444,35 @@ static struct i2c_driver tmp108_driver = {
 
 module_i2c_driver(tmp108_driver);
 
+#ifdef CONFIG_REGMAP_I3C
+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 regmap *regmap;
+
+	regmap = devm_regmap_init_i3c(i3cdev, &tmp108_regmap_config);
+	if (IS_ERR(regmap))
+		return dev_err_probe(&i3cdev->dev, PTR_ERR(regmap),
+				     "Failed to register i3c regmap\n");
+
+	return tmp108_common_probe(&i3cdev->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_driver(p3t1085_driver);
+#endif
+
 MODULE_AUTHOR("John Muir <john@jmuir.com>");
 MODULE_DESCRIPTION("Texas Instruments TMP108 temperature sensor driver");
 MODULE_LICENSE("GPL");

-- 
2.34.1