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hwmon: (sht21) Add support for SHT20, SHT25 chips 

All sht2x chips share the same communication protocol so add support for
them.

Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250908-sht2x-v4-2-bc15f68af7de@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Kurt Borja 2025-09-08 10:54:50 -05:00 committed by Guenter Roeck
parent 94a28f9ba2
commit a0cce09368
3 changed files with 14 additions and 2 deletions
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10
Documentation/hwmon/sht21.rst
View File

@ -3,6 +3,16 @@ Kernel driver sht21
Supported chips: Supported chips:
* Sensirion SHT20
Prefix: 'sht20'
Addresses scanned: none
Datasheet: Publicly available at the Sensirion website
https://www.sensirion.com/file/datasheet_sht20
* Sensirion SHT21 * Sensirion SHT21
Prefix: 'sht21' Prefix: 'sht21'

4
drivers/hwmon/Kconfig
View File

@ -1930,8 +1930,8 @@ config SENSORS_SHT21
tristate "Sensiron humidity and temperature sensors. SHT21 and compat." tristate "Sensiron humidity and temperature sensors. SHT21 and compat."
depends on I2C depends on I2C
help help
If you say yes here you get support for the Sensiron SHT21, SHT25 If you say yes here you get support for the Sensiron SHT20, SHT21,
humidity and temperature sensors. SHT25 humidity and temperature sensors.
This driver can also be built as a module. If so, the module This driver can also be built as a module. If so, the module
will be called sht21. will be called sht21.

2
drivers/hwmon/sht21.c
View File

@ -275,7 +275,9 @@ static int sht21_probe(struct i2c_client *client)
/* Device ID table */ /* Device ID table */
static const struct i2c_device_id sht21_id[] = { static const struct i2c_device_id sht21_id[] = {
{ "sht20" },
{ "sht21" }, { "sht21" },
{ "sht25" },
{ } { }
}; };
MODULE_DEVICE_TABLE(i2c, sht21_id); MODULE_DEVICE_TABLE(i2c, sht21_id);