diff options
| author | Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk> | 2019-05-03 17:15:00 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2019-05-03 13:16:18 -0700 |
| commit | 39abe9d88b30a51029b0b29a708a4f4459034565 (patch) | |
| tree | e50009f761b3b5d82ab7a12b1edc67dff7257cac | |
| parent | be889be7785d21d8958d51d35cf52b73826657df (diff) | |
| download | linux-39abe9d88b30a51029b0b29a708a4f4459034565.tar.bz2 | |
hwmon: (lm75) Add support for TMP75B
The TMP75B has a different control register, supports 12-bit
resolution and the default conversion rate is 37 Hz.
Signed-off-by: Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/hwmon/lm75.rst | 6 | ||||
| -rw-r--r-- | drivers/hwmon/lm75.c | 11 |
2 files changed, 15 insertions, 2 deletions
diff --git a/Documentation/hwmon/lm75.rst b/Documentation/hwmon/lm75.rst index 6fd4d2df5420..ba8acbd2a6cb 100644 --- a/Documentation/hwmon/lm75.rst +++ b/Documentation/hwmon/lm75.rst @@ -93,9 +93,9 @@ Supported chips: https://www.st.com/resource/en/datasheet/stlm75.pdf - * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75C, TMP175, TMP275 + * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75B, TMP75C, TMP175, TMP275 - Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp75c', 'tmp275' + Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp75b', 'tmp75c', 'tmp275' Addresses scanned: none @@ -111,6 +111,8 @@ Supported chips: http://www.ti.com/product/tmp75 + http://www.ti.com/product/tmp75b + http://www.ti.com/product/tmp75c http://www.ti.com/product/tmp175 diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index f307743edc25..423a382420b9 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -59,6 +59,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ tmp175, tmp275, tmp75, + tmp75b, tmp75c, }; @@ -354,6 +355,11 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) data->resolution = 12; data->sample_time = MSEC_PER_SEC / 2; break; + case tmp75b: /* not one-shot mode, Conversion rate 37Hz */ + clr_mask |= 1 << 15 | 0x3 << 13; + data->resolution = 12; + data->sample_time = MSEC_PER_SEC / 37; + break; case tmp75c: clr_mask |= 1 << 5; /* not one-shot mode */ data->resolution = 12; @@ -414,6 +420,7 @@ static const struct i2c_device_id lm75_ids[] = { { "tmp175", tmp175, }, { "tmp275", tmp275, }, { "tmp75", tmp75, }, + { "tmp75b", tmp75b, }, { "tmp75c", tmp75c, }, { /* LIST END */ } }; @@ -513,6 +520,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = { .data = (void *)tmp75 }, { + .compatible = "ti,tmp75b", + .data = (void *)tmp75b + }, + { .compatible = "ti,tmp75c", .data = (void *)tmp75c }, |