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

Cc: stable@vger.kernel.org Signed-off-by: Kurt Borja kuurtb@gmail.com --- Documentation/hwmon/sht21.rst | 10 ++++++++++ drivers/hwmon/Kconfig | 4 ++-- drivers/hwmon/sht21.c | 2 ++ 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/Documentation/hwmon/sht21.rst b/Documentation/hwmon/sht21.rst index 9f66cd51b45dc4b89ce757d2209445478de046cd..d20e8a460ba6c7c8452bcdce68a1fce963413640 100644 --- a/Documentation/hwmon/sht21.rst +++ b/Documentation/hwmon/sht21.rst @@ -3,6 +3,16 @@ Kernel driver sht21

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

Prefix: 'sht21' diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 9d28fcf7cd2a6f9e2f54694a717bd85ff4047b46..90dc8051418689e7a92293df15ce35cd822c77ff 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1930,8 +1930,8 @@ config SENSORS_SHT21 tristate "Sensiron humidity and temperature sensors. SHT21 and compat." depends on I2C help - If you say yes here you get support for the Sensiron SHT21, SHT25 - humidity and temperature sensors. + If you say yes here you get support for the Sensiron SHT20, SHT21, + SHT25 humidity and temperature sensors.

This driver can also be built as a module. If so, the module will be called sht21. diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c index 97327313529b467ed89d8f6b06c2d78efd54efbf..97d71e3361e9d7f0512880149ba6479601b2fc0c 100644 --- a/drivers/hwmon/sht21.c +++ b/drivers/hwmon/sht21.c @@ -275,7 +275,9 @@ static int sht21_probe(struct i2c_client *client)

/* Device ID table */ static const struct i2c_device_id sht21_id[] = { + { "sht20" }, { "sht21" }, + { "sht25" }, { } }; MODULE_DEVICE_TABLE(i2c, sht21_id);

Add DT support for sht2x chips.

Cc: stable@vger.kernel.org Signed-off-by: Kurt Borja kuurtb@gmail.com --- drivers/hwmon/sht21.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c index 97d71e3361e9d7f0512880149ba6479601b2fc0c..627d35070a420ab9e51634bdc5cf5e3de3853326 100644 --- a/drivers/hwmon/sht21.c +++ b/drivers/hwmon/sht21.c @@ -282,8 +282,19 @@ static const struct i2c_device_id sht21_id[] = { }; MODULE_DEVICE_TABLE(i2c, sht21_id);

+static const struct of_device_id sht21_of_match[] = { + { .compatible = "sensirion,sht20" }, + { .compatible = "sensirion,sht21" }, + { .compatible = "sensirion,sht25" }, + { } +}; +MODULE_DEVICE_TABLE(of, sht21_of_match); + static struct i2c_driver sht21_driver = { - .driver.name = "sht21", + .driver = { + .name = "sht21", + .of_match_table = sht21_of_match, + }, .probe = sht21_probe, .id_table = sht21_id, };

Add sensirion,sht2x trivial sensors.

Cc: stable@vger.kernel.org Signed-off-by: Kurt Borja kuurtb@gmail.com --- Documentation/devicetree/bindings/trivial-devices.yaml | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index f3dd18681aa6f81255141bdda6daf8e45369a2c2..952244a7105591a0095b1ae57da7cb7345bdfc61 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -362,6 +362,9 @@ properties: # Sensirion low power multi-pixel gas sensor with I2C interface - sensirion,sgpc3 # Sensirion temperature & humidity sensor with I2C interface + - sensirion,sht20 + - sensirion,sht21 + - sensirion,sht25 - sensirion,sht4x # Sensortek 3 axis accelerometer - sensortek,stk8312