diff options
| author | Lakshay Piplani <lakshay.piplani@nxp.com> | 2025-07-28 09:49:13 +0530 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2025-09-07 16:33:47 -0700 |
| commit | 83b3354a4ad9a784a3335a2c303c693f521d1e47 (patch) | |
| tree | 407ec8b02e0fae083b6ad3a31c1cecb7e70f087b | |
| parent | 6a9b2fb8411e1bc9345f048c8061cfa96f45151f (diff) | |
| download | net-83b3354a4ad9a784a3335a2c303c693f521d1e47.tar.gz | |
hwmon: (lm75) Add NXP P3T1750 support
Add support for lm75 compatible NXP P3T1750
temperature sensor.
Signed-off-by: Lakshay Piplani <lakshay.piplani@nxp.com>
Link: https://lore.kernel.org/r/20250728041913.3754236-2-lakshay.piplani@nxp.com
[groeck: Fixed alphabetic order for new chip entries]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/hwmon/lm75.rst | 6 | ||||
| -rw-r--r-- | drivers/hwmon/lm75.c | 13 |
2 files changed, 17 insertions, 2 deletions
diff --git a/Documentation/hwmon/lm75.rst b/Documentation/hwmon/lm75.rst index c6a54bbca3c51c..908b3a9df06e82 100644 --- a/Documentation/hwmon/lm75.rst +++ b/Documentation/hwmon/lm75.rst @@ -121,9 +121,9 @@ Supported chips: https://www.ti.com/product/TMP1075 - * NXP LM75B, P3T1755, PCT2075 + * NXP LM75B, P3T1750, P3T1755, PCT2075 - Prefix: 'lm75b', 'p3t1755', 'pct2075' + Prefix: 'lm75b', 'p3t1750', 'p3t1755', 'pct2075' Addresses scanned: none @@ -131,6 +131,8 @@ Supported chips: https://www.nxp.com/docs/en/data-sheet/LM75B.pdf + https://www.nxp.com/docs/en/data-sheet/P3T1750DP.pdf + https://www.nxp.com/docs/en/data-sheet/P3T1755.pdf https://www.nxp.com/docs/en/data-sheet/PCT2075.pdf diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 9b4875e2fd8d84..3c23b6e8e1bf5c 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -39,6 +39,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ max6626, max31725, mcp980x, + p3t1750, p3t1755, pct2075, stds75, @@ -222,6 +223,13 @@ static const struct lm75_params device_params[] = { .default_resolution = 9, .default_sample_time = MSEC_PER_SEC / 18, }, + [p3t1750] = { + .clr_mask = 1 << 1 | 1 << 7, /* disable SMBAlert and one-shot */ + .default_resolution = 12, + .default_sample_time = 55, + .num_sample_times = 4, + .sample_times = (unsigned int []){ 28, 55, 110, 220 }, + }, [p3t1755] = { .clr_mask = 1 << 1 | 1 << 7, /* disable SMBAlert and one-shot */ .default_resolution = 12, @@ -805,6 +813,7 @@ static const struct i2c_device_id lm75_i2c_ids[] = { { "max31725", max31725, }, { "max31726", max31725, }, { "mcp980x", mcp980x, }, + { "p3t1750", p3t1750, }, { "p3t1755", p3t1755, }, { "pct2075", pct2075, }, { "stds75", stds75, }, @@ -917,6 +926,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = { .data = (void *)mcp980x }, { + .compatible = "nxp,p3t1750", + .data = (void *)p3t1750 + }, + { .compatible = "nxp,p3t1755", .data = (void *)p3t1755 }, |