diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2024-12-18 08:41:33 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-12-18 16:06:32 +0100 |
| commit | d3506653d01c0df1f1c86cd49fe70c98f00f1aef (patch) | |
| tree | 1e675febb3c91324e5d023b8187d030c2c117062 | |
| parent | dt-bindings: hwmon: lm75: Add NXP P3T1755 (diff) | |
| download | linux-d3506653d01c0df1f1c86cd49fe70c98f00f1aef.tar.xz linux-d3506653d01c0df1f1c86cd49fe70c98f00f1aef.zip | |
hwmon: (lm75) Add NXP P3T1755 support
Add this LM75 compatible sensor which needs a separate entry because of
its default sampling time and SMBusAlert handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20241218074131.4351-7-wsa+renesas@sang-engineering.com
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 6adab608dd05..9877ddbbf7c8 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, PCT2075 + * NXP LM75B, P3T1755, PCT2075 - Prefix: 'lm75b', 'pct2075' + Prefix: 'lm75b', 'p3t1755', 'pct2075' Addresses scanned: none @@ -131,6 +131,8 @@ Supported chips: https://www.nxp.com/documents/data_sheet/LM75B.pdf + https://www.nxp.com/docs/en/data-sheet/P3T1755.pdf + https://www.nxp.com/docs/en/data-sheet/PCT2075.pdf * AMS OSRAM AS6200 diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 2c2205aec7d4..a8f95bef68cb 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -38,6 +38,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ max6626, max31725, mcp980x, + p3t1755, pct2075, stds75, stlm75, @@ -222,6 +223,13 @@ static const struct lm75_params device_params[] = { .default_resolution = 9, .default_sample_time = MSEC_PER_SEC / 18, }, + [p3t1755] = { + .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 }, + }, [pct2075] = { .default_resolution = 11, .default_sample_time = MSEC_PER_SEC / 10, @@ -734,6 +742,7 @@ static const struct i2c_device_id lm75_ids[] = { { "max31725", max31725, }, { "max31726", max31725, }, { "mcp980x", mcp980x, }, + { "p3t1755", p3t1755, }, { "pct2075", pct2075, }, { "stds75", stds75, }, { "stlm75", stlm75, }, @@ -814,6 +823,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = { .data = (void *)mcp980x }, { + .compatible = "nxp,p3t1755", + .data = (void *)p3t1755 + }, + { .compatible = "nxp,pct2075", .data = (void *)pct2075 }, |