[PATCH v4 2/4] hwmon: lm75: Add nxp,lm75a to of_match list
From: Matwey V. Kornilov
Date: Sat Feb 06 2021 - 04:53:47 EST
NXP LM75A is compatible with original LM75A while it has improved
11-bit precision.
https://www.nxp.com/docs/en/data-sheet/LM75A.pdf
Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx>
---
Documentation/devicetree/bindings/hwmon/lm75.yaml | 1 +
drivers/hwmon/lm75.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwmon/lm75.yaml b/Documentation/devicetree/bindings/hwmon/lm75.yaml
index aec8edd1e0c6..8c3848f4c277 100644
--- a/Documentation/devicetree/bindings/hwmon/lm75.yaml
+++ b/Documentation/devicetree/bindings/hwmon/lm75.yaml
@@ -22,6 +22,7 @@ properties:
- national,lm75
- national,lm75a
- national,lm75b
+ - nxp,lm75a
- maxim,max6625
- maxim,max6626
- maxim,max31725
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 08cde1c446db..9c54c7d86771 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -33,6 +33,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
lm75,
lm75a,
lm75b,
+ nxp_lm75,
max6625,
max6626,
max31725,
@@ -182,6 +183,11 @@ static const struct lm75_params device_params[] = {
.default_resolution = 11,
.default_sample_time = MSEC_PER_SEC / 10,
},
+ [nxp_lm75] = {
+ .default_resolution = 11,
+ .default_sample_time = MSEC_PER_SEC / 10,
+ .resolution_limits = 9,
+ },
[max6625] = {
.default_resolution = 9,
.default_sample_time = MSEC_PER_SEC / 7,
@@ -644,6 +650,7 @@ static const struct i2c_device_id lm75_ids[] = {
{ "lm75", lm75, },
{ "lm75a", lm75a, },
{ "lm75b", lm75b, },
+ { "nxp_lm75a", nxp_lm75, },
{ "max6625", max6625, },
{ "max6626", max6626, },
{ "max31725", max31725, },
@@ -703,6 +710,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
.compatible = "national,lm75b",
.data = (void *)lm75b
},
+ {
+ .compatible = "nxp,lm75a",
+ .data = (void *)nxp_lm75
+ },
{
.compatible = "maxim,max6625",
.data = (void *)max6625
--
2.26.2