diff options
| author | Akhilesh Patil <akhilesh@ee.iitb.ac.in> | 2025-11-02 15:13:20 +0530 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2026-03-12 07:09:46 -0400 |
| commit | 9c1984180260b81650e075ab30d57e800f6a6fd2 (patch) | |
| tree | 2cc33307d688ad90a1be4e98a5b9494d5418f59b /Documentation | |
| parent | e159eb852aeee95443a9458ecb7d072bbb689913 (diff) | |
hwmon: (aht10) Add support for dht20
[ Upstream commit 3eaf1b631506e8de2cb37c278d5bc042521e82c1 ]
Add support for dht20 temperature and humidity sensor from Aosong.
Modify aht10 driver to handle different init command for dht20 sensor by
adding init_cmd entry in the driver data. dht20 sensor is compatible with
aht10 hwmon driver with this change.
Tested on TI am62x SK board with dht20 sensor connected at i2c-2 port.
Signed-off-by: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
Link: https://lore.kernel.org/r/2025112-94320-906858@bhairav-test.ee.iitb.ac.in
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Stable-dep-of: b7497b5a99f5 ("hwmon: (aht10) Fix initialization commands for AHT20")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/hwmon/aht10.rst | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/hwmon/aht10.rst b/Documentation/hwmon/aht10.rst index 213644b4ecba..7903b6434326 100644 --- a/Documentation/hwmon/aht10.rst +++ b/Documentation/hwmon/aht10.rst @@ -20,6 +20,14 @@ Supported chips: English: http://www.aosong.com/userfiles/files/media/Data%20Sheet%20AHT20.pdf + * Aosong DHT20 + + Prefix: 'dht20' + + Addresses scanned: None + + Datasheet: https://www.digikey.co.nz/en/htmldatasheets/production/9184855/0/0/1/101020932 + Author: Johannes Cornelis Draaijer <jcdra1@gmail.com> @@ -33,7 +41,7 @@ The address of this i2c device may only be 0x38 Special Features ---------------- -AHT20 has additional CRC8 support which is sent as the last byte of the sensor +AHT20, DHT20 has additional CRC8 support which is sent as the last byte of the sensor values. Usage Notes |