Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-25 20:32:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

hwmon: (lm75) Add support for TMP75C

Browse Source 
The TMP75C has a different control register layout and only supports
12-bit temperature samples (0.0625 deg C).
The continuous sample rate is ~12 Hz.

Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Ben Gardner 2015-10-07 21:55:20 -05:00 committed by Guenter Roeck
parent 0b056b29f2
commit 9c32e815cf
2 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/hwmon/lm75
View File

@ -42,8 +42,8 @@ Supported chips:
Addresses scanned: none
Datasheet: Publicly available at the ST website
http://www.st.com/internet/analog/product/121769.jsp
* Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP175, TMP275
Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp275'
* Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75C, TMP175, TMP275
Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175', 'tmp75', 'tmp75c', 'tmp275'
Addresses scanned: none
Datasheet: Publicly available at the Texas Instruments website
http://www.ti.com/product/tmp100
@ -51,6 +51,7 @@ Supported chips:
http://www.ti.com/product/tmp105
http://www.ti.com/product/tmp112
http://www.ti.com/product/tmp75
http://www.ti.com/product/tmp75c
http://www.ti.com/product/tmp175
http://www.ti.com/product/tmp275
* NXP LM75B

7
drivers/hwmon/lm75.c
View File

@ -57,6 +57,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
tmp175,
tmp275,
tmp75,
tmp75c,
};
/* Addresses scanned */
@ -280,6 +281,11 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
data->resolution = 12;
data->sample_time = HZ / 2;
break;
case tmp75c:
clr_mask |= 1 << 5; /* not one-shot mode */
data->resolution = 12;
data->sample_time = HZ / 4;
break;
}
/* configure as specified */
@ -343,6 +349,7 @@ static const struct i2c_device_id lm75_ids[] = {
{ "tmp175", tmp175, },
{ "tmp275", tmp275, },
{ "tmp75", tmp75, },
{ "tmp75c", tmp75c, },
{ /* LIST END */ }
};
MODULE_DEVICE_TABLE(i2c, lm75_ids);