Add this LM75 compatible sensor which needs a separate entry because of
its default sampling time and SMBusAlert handling.
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
Change since v1: reworded patch description
Documentation/hwmon/lm75.rst | 6 ++++--
drivers/hwmon/lm75.c | 13 +++++++++++++
2 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/Documentation/hwmon/lm75.rst b/Documentation/hwmon/lm75.rst
index 6adab608dd05..9877ddbbf7c8 100644
--- a/Documentation/hwmon/lm75.rst
+++ b/Documentation/hwmon/lm75.rst
@@ -121,9 +121,9 @@ Supported chips:
https://www.ti.com/product/TMP1075
- * NXP LM75B, PCT2075
+ * NXP LM75B, P3T1755, PCT2075
- Prefix: 'lm75b', 'pct2075'
+ Prefix: 'lm75b', 'p3t1755', 'pct2075'
Addresses scanned: none
@@ -131,6 +131,8 @@ Supported chips:
https://www.nxp.com/documents/data_sheet/LM75B.pdf
+ https://www.nxp.com/docs/en/data-sheet/P3T1755.pdf
+
https://www.nxp.com/docs/en/data-sheet/PCT2075.pdf
* AMS OSRAM AS6200
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 2c2205aec7d4..a8f95bef68cb 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -38,6 +38,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
max6626,
max31725,
mcp980x,
+ p3t1755,
pct2075,
stds75,
stlm75,
@@ -222,6 +223,13 @@ static const struct lm75_params device_params[] = {
.default_resolution = 9,
.default_sample_time = MSEC_PER_SEC / 18,
},
+ [p3t1755] = {
+ .clr_mask = 1 << 1 | 1 << 7, /* disable SMBAlert and one-shot */
+ .default_resolution = 12,
+ .default_sample_time = 55,
+ .num_sample_times = 4,
+ .sample_times = (unsigned int []){ 28, 55, 110, 220 },
+ },
[pct2075] = {
.default_resolution = 11,
.default_sample_time = MSEC_PER_SEC / 10,
@@ -734,6 +742,7 @@ static const struct i2c_device_id lm75_ids[] = {
{ "max31725", max31725, },
{ "max31726", max31725, },
{ "mcp980x", mcp980x, },
+ { "p3t1755", p3t1755, },
{ "pct2075", pct2075, },
{ "stds75", stds75, },
{ "stlm75", stlm75, },
@@ -813,6 +822,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
.compatible = "maxim,mcp980x",
.data = (void *)mcp980x
},
+ {
+ .compatible = "nxp,p3t1755",
+ .data = (void *)p3t1755
+ },
{
.compatible = "nxp,pct2075",
.data = (void *)pct2075
--
2.45.2
