diff options
| author |   Daniel Mack <daniel@zonque.org> | 2019-07-11 14:45:04 +0200 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2019-09-03 12:47:17 -0700 |
| commit | 557c7ffa2f283166fa863aaa415757f5f485aa62 (patch) | |
| tree | 2e2b688ec53341d0418ccae74c64b62061b210ab | |
| parent | device-tree: bindinds: add NXP PCT2075 as compatible device to LM75 (diff) | |
| download | linux-dev-557c7ffa2f283166fa863aaa415757f5f485aa62.tar.xz linux-dev-557c7ffa2f283166fa863aaa415757f5f485aa62.zip | |
hwmon: (lm75) add support for PCT2075
The NXP PCT2075 is largely compatible with other chips already supported
by the LM75 driver. It uses an 11-bit resolution and defaults to 100 ms
sampling period. The datasheet is here:
https://www.nxp.com/docs/en/data-sheet/PCT2075.pdf
Signed-off-by: Daniel Mack <daniel@zonque.org>
Link: https://lore.kernel.org/r/20190711124504.7580-2-daniel@zonque.org
[groeck: Documentation update]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/hwmon/lm75.rst | 6 | ||||
| -rw-r--r-- | drivers/hwmon/lm75.c | 10 |
2 files changed, 14 insertions, 2 deletions
diff --git a/Documentation/hwmon/lm75.rst b/Documentation/hwmon/lm75.rst index ba8acbd2a6cb..e749f827c002 100644 --- a/Documentation/hwmon/lm75.rst +++ b/Documentation/hwmon/lm75.rst @@ -119,9 +119,9 @@ Supported chips: http://www.ti.com/product/tmp275 - * NXP LM75B + * NXP LM75B, PCT2075 - Prefix: 'lm75b' + Prefix: 'lm75b', 'pct2075' Addresses scanned: none @@ -129,6 +129,8 @@ Supported chips: http://www.nxp.com/documents/data_sheet/LM75B.pdf + http://www.nxp.com/docs/en/data-sheet/PCT2075.pdf + Author: Frodo Looijaard <frodol@dds.nl> Description diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index cbabab7ac788..0cd1447718c9 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -36,6 +36,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ max6626, max31725, mcp980x, + pct2075, stds75, stlm75, tcn75, @@ -317,6 +318,10 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) data->resolution = 9; data->sample_time = MSEC_PER_SEC / 8; break; + case pct2075: + data->resolution = 11; + data->sample_time = MSEC_PER_SEC / 10; + break; case mcp980x: data->resolution_limits = 9; /* fall through */ @@ -397,6 +402,7 @@ static const struct i2c_device_id lm75_ids[] = { { "max31725", max31725, }, { "max31726", max31725, }, { "mcp980x", mcp980x, }, + { "pct2075", pct2075, }, { "stds75", stds75, }, { "stlm75", stlm75, }, { "tcn75", tcn75, }, @@ -467,6 +473,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = { .data = (void *)mcp980x }, { + .compatible = "nxp,pct2075", + .data = (void *)pct2075 + }, + { .compatible = "st,stds75", .data = (void *)stds75 }, |