From: Iker Perez del Palomar Sustatxa <iker.perez@xxxxxxxxxxxxxxx>
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 | 7 +++++--
drivers/hwmon/lm75.c | 11 +++++++++++
2 files changed, 16 insertions(+), 2 deletions(-)
Version log:
- v4:
- Correct the sample time to 37 ms.
- v3:
- Bad assignment, missing spaces before and after "=".
- Divide in two lines longer than 80 characters.
- Separate dt-bindings and driver-documentation into different
commits.
- V2:
- Delete empty lines.
- Restore replaced tabs by spaces
diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75
index 010583608f12..0cff924cdbba 100644
--- a/Documentation/hwmon/lm75
+++ b/Documentation/hwmon/lm75
@@ -47,8 +47,10 @@ 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 +58,7 @@ 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 447af07450f1..5673fa541f16 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,
};
@@ -378,6 +379,11 @@ 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;
@@ -438,6 +444,7 @@ static const struct i2c_device_id lm75_ids[] = {
{ "tmp175", tmp175, },
{ "tmp275", tmp275, },
{ "tmp75", tmp75, },
+ { "tmp75b", tmp75b, },
{ "tmp75c", tmp75c, },
{ /* LIST END */ }
};
@@ -537,6 +544,10 @@ 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
