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@xxxxxxxxxxxxxxx>
---
Documentation/hwmon/lm75 | 5 +++--
drivers/hwmon/lm75.c | 13 +++++++++++++
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
index 010583608f12..baf052935761 100644
--- a/Documentation/hwmon/lm75
+++ b/Documentation/hwmon/lm75
@@ -47,8 +47,8 @@ Supported chips:
Addresses scanned: none
Datasheet: Publicly available at the ST website
https://www.st.com/resource/en/datasheet/stlm75.pdf
- * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75C,
TMP175, TMP275
- Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175',
'tmp75', 'tmp75c', 'tmp275'
+ * Texas Instruments TMP100, TMP101, TMP105, TMP112, TMP75, TMP75B,
TMP75C, TMP175, TMP275
+ Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp112', 'tmp175',
'tmp75', 'tmp75b', 'tmp75c', 'tmp275'
Addresses scanned: none
Datasheet: Publicly available at the Texas Instruments website
http://www.ti.com/product/tmp100
@@ -56,6 +56,7 @@ 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/tmp75b
http://www.ti.com/product/tmp75c
http://www.ti.com/product/tmp175
http://www.ti.com/product/tmp275
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 62acb9f16ec5..1b5c32cbdc62 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -32,6 +32,7 @@
#include "lm75.h"
+
/*
* This driver handles the LM75 and compatible digital temperature
sensors.
*/
@@ -59,6 +60,7 @@ enum lm75_type { /* keep sorted in alphabetical
order */
tmp175,
tmp275,
tmp75,
+ tmp75b,
tmp75c,
};
@@ -378,6 +380,12 @@ 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:
+ clr_mask |= 1 << 15; /* not one-shot mode */
+ data->resolution = 12;
+ data->sample_time = MSEC_PER_SEC / 32;
+ break;
+
case tmp75c:
clr_mask |= 1 << 5; /* not one-shot mode */
data->resolution = 12;
@@ -438,6 +446,7 @@ static const struct i2c_device_id lm75_ids[] = {
{ "tmp175", tmp175, },
{ "tmp275", tmp275, },
{ "tmp75", tmp75, },
+ { "tmp75b", tmp75b,},
{ "tmp75c", tmp75c, },
{ /* LIST END */ }
};
@@ -537,6 +546,10 @@ static const struct of_device_id lm75_of_match[] = {
.data = (void *)tmp75
},
{
+ .compatible = "ti,tmp75b",
+ .data = (void *)tmp75b
+ },
+ {
.compatible = "ti,tmp75c",
.data = (void *)tmp75c
},
--
2.11.0
--
Iker Perez del Palomar, Software Engineer
Codethink Ltd 35 Dale St, Manchester M1 2HF
http://www.codethink.co.uk/ Manchester, M1 2JW, United Kingdom
We respect your privacy. See https://www.codethink.co.uk/privacy.html
