On 11/11/24 09:32, Frank Li wrote:
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@xxxxxxx> --- change from v2 to v3 - change kconfig to select REGMAP_I3C if enable i3c - remove i3c/master.h - remove , after {} - use #ifdef CONFIG_I3C about i3c register code I2C I3C Y Y support both Y N i3c part code will not be compiled N Y whole TPM108 will not be compiled N N whole TPM108 will not be compiled --- drivers/hwmon/Kconfig | 1 + drivers/hwmon/tmp108.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index d43ca7aa4a548..9579db7849e1f 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 bfbea6349a95f..deb1505321335 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> @@ -442,6 +443,36 @@ static struct i2c_driver tmp108_driver = {module_i2c_driver(tmp108_driver); +#ifdef CONFIG_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 device *dev = i3cdev_to_dev(i3cdev); + struct regmap *regmap; + + regmap = devm_regmap_init_i3c(i3cdev, &tmp108_regmap_config); + 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_driver(p3t1085_driver); +#endif
While looking at i3c code, I found module_i3c_i2c_driver(). Can we use that function to register both i2c and i3c in one call ? Thanks, Guenter
