* [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750
@ 2025-07-28 4:19 Lakshay Piplani
2025-07-28 4:19 ` [PATCH v2 2/2] hwmon: (lm75) Add NXP P3T1750 support Lakshay Piplani
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Lakshay Piplani @ 2025-07-28 4:19 UTC (permalink / raw)
To: linux-kernel, jdelvare, linux, linux-hwmon, corbet, linux-doc,
robh, krzk+dt, conor+dt, devicetree
Cc: vikash.bansal, priyanka.jain, shashank.rebbapragada,
Lakshay Piplani
Add "nxp,p3t1750" to the lm75 compatible list.
Signed-off-by: Lakshay Piplani <lakshay.piplani@nxp.com>
---
Changes in v2:
- Sorted compatible strings alphabetically
Documentation/devicetree/bindings/hwmon/lm75.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/hwmon/lm75.yaml b/Documentation/devicetree/bindings/hwmon/lm75.yaml
index c38255243f57..ecdd09a032e5 100644
--- a/Documentation/devicetree/bindings/hwmon/lm75.yaml
+++ b/Documentation/devicetree/bindings/hwmon/lm75.yaml
@@ -28,6 +28,7 @@ properties:
- maxim,max31725
- maxim,max31726
- maxim,mcp980x
+ - nxp,p3t1750
- nxp,p3t1755
- nxp,pct2075
- st,stds75
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH v2 2/2] hwmon: (lm75) Add NXP P3T1750 support
2025-07-28 4:19 [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750 Lakshay Piplani
@ 2025-07-28 4:19 ` Lakshay Piplani
2025-07-31 23:50 ` Guenter Roeck
2025-07-28 4:54 ` [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750 Krzysztof Kozlowski
2025-07-31 23:49 ` Guenter Roeck
2 siblings, 1 reply; 5+ messages in thread
From: Lakshay Piplani @ 2025-07-28 4:19 UTC (permalink / raw)
To: linux-kernel, jdelvare, linux, linux-hwmon, corbet, linux-doc,
robh, krzk+dt, conor+dt, devicetree
Cc: vikash.bansal, priyanka.jain, shashank.rebbapragada,
Lakshay Piplani
Add support for lm75 compatible NXP P3T1750
temperature sensor.
Signed-off-by: Lakshay Piplani <lakshay.piplani@nxp.com>
---
Changes in v2:
- None. Patch unchanged.
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 c6a54bbca3c5..84e690824fee 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, P3T1755, PCT2075
+ * NXP LM75B, P3T1755, PCT2075, 'P3T1750'
- Prefix: 'lm75b', 'p3t1755', 'pct2075'
+ Prefix: 'lm75b', 'p3t1755', 'pct2075', 'p3t1750'
Addresses scanned: none
@@ -135,6 +135,8 @@ Supported chips:
https://www.nxp.com/docs/en/data-sheet/PCT2075.pdf
+ https://www.nxp.com/docs/en/data-sheet/P3T1750DP.pdf
+
* AMS OSRAM AS6200
Prefix: 'as6200'
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 9b4875e2fd8d..979057f02748 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -40,6 +40,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
max31725,
mcp980x,
p3t1755,
+ p3t1750,
pct2075,
stds75,
stlm75,
@@ -229,6 +230,13 @@ static const struct lm75_params device_params[] = {
.num_sample_times = 4,
.sample_times = (unsigned int []){ 28, 55, 110, 220 },
},
+ [p3t1750] = {
+ .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,
@@ -806,6 +814,7 @@ static const struct i2c_device_id lm75_i2c_ids[] = {
{ "max31726", max31725, },
{ "mcp980x", mcp980x, },
{ "p3t1755", p3t1755, },
+ { "p3t1750", p3t1750, },
{ "pct2075", pct2075, },
{ "stds75", stds75, },
{ "stlm75", stlm75, },
@@ -920,6 +929,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
.compatible = "nxp,p3t1755",
.data = (void *)p3t1755
},
+ {
+ .compatible = "nxp,p3t1750",
+ .data = (void *)p3t1750
+ },
{
.compatible = "nxp,pct2075",
.data = (void *)pct2075
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750
2025-07-28 4:19 [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750 Lakshay Piplani
2025-07-28 4:19 ` [PATCH v2 2/2] hwmon: (lm75) Add NXP P3T1750 support Lakshay Piplani
@ 2025-07-28 4:54 ` Krzysztof Kozlowski
2025-07-31 23:49 ` Guenter Roeck
2 siblings, 0 replies; 5+ messages in thread
From: Krzysztof Kozlowski @ 2025-07-28 4:54 UTC (permalink / raw)
To: Lakshay Piplani, linux-kernel, jdelvare, linux, linux-hwmon,
corbet, linux-doc, robh, krzk+dt, conor+dt, devicetree
Cc: vikash.bansal, priyanka.jain, shashank.rebbapragada
On 28/07/2025 06:19, Lakshay Piplani wrote:
> Add "nxp,p3t1750" to the lm75 compatible list.
>
> Signed-off-by: Lakshay Piplani <lakshay.piplani@nxp.com>
> ---
> Changes in v2:
> - Sorted compatible strings alphabetically
>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750
2025-07-28 4:19 [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750 Lakshay Piplani
2025-07-28 4:19 ` [PATCH v2 2/2] hwmon: (lm75) Add NXP P3T1750 support Lakshay Piplani
2025-07-28 4:54 ` [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750 Krzysztof Kozlowski
@ 2025-07-31 23:49 ` Guenter Roeck
2 siblings, 0 replies; 5+ messages in thread
From: Guenter Roeck @ 2025-07-31 23:49 UTC (permalink / raw)
To: Lakshay Piplani
Cc: linux-kernel, jdelvare, linux-hwmon, corbet, linux-doc, robh,
krzk+dt, conor+dt, devicetree, vikash.bansal, priyanka.jain,
shashank.rebbapragada
On Mon, Jul 28, 2025 at 09:49:12AM +0530, Lakshay Piplani wrote:
> Add "nxp,p3t1750" to the lm75 compatible list.
>
> Signed-off-by: Lakshay Piplani <lakshay.piplani@nxp.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Applied.
Thanks,
Guenter
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2 2/2] hwmon: (lm75) Add NXP P3T1750 support
2025-07-28 4:19 ` [PATCH v2 2/2] hwmon: (lm75) Add NXP P3T1750 support Lakshay Piplani
@ 2025-07-31 23:50 ` Guenter Roeck
0 siblings, 0 replies; 5+ messages in thread
From: Guenter Roeck @ 2025-07-31 23:50 UTC (permalink / raw)
To: Lakshay Piplani
Cc: linux-kernel, jdelvare, linux-hwmon, corbet, linux-doc, robh,
krzk+dt, conor+dt, devicetree, vikash.bansal, priyanka.jain,
shashank.rebbapragada
On Mon, Jul 28, 2025 at 09:49:13AM +0530, Lakshay Piplani wrote:
> Add support for lm75 compatible NXP P3T1750
> temperature sensor.
>
> Signed-off-by: Lakshay Piplani <lakshay.piplani@nxp.com>
> ---
> Changes in v2:
> - None. Patch unchanged.
Alphabetic order applies here too.
Never mind, I fixed that up.
Applied.
Guenter
>
> 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 c6a54bbca3c5..84e690824fee 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, P3T1755, PCT2075
> + * NXP LM75B, P3T1755, PCT2075, 'P3T1750'
>
> - Prefix: 'lm75b', 'p3t1755', 'pct2075'
> + Prefix: 'lm75b', 'p3t1755', 'pct2075', 'p3t1750'
>
> Addresses scanned: none
>
> @@ -135,6 +135,8 @@ Supported chips:
>
> https://www.nxp.com/docs/en/data-sheet/PCT2075.pdf
>
> + https://www.nxp.com/docs/en/data-sheet/P3T1750DP.pdf
> +
> * AMS OSRAM AS6200
>
> Prefix: 'as6200'
> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
> index 9b4875e2fd8d..979057f02748 100644
> --- a/drivers/hwmon/lm75.c
> +++ b/drivers/hwmon/lm75.c
> @@ -40,6 +40,7 @@ enum lm75_type { /* keep sorted in alphabetical order */
> max31725,
> mcp980x,
> p3t1755,
> + p3t1750,
> pct2075,
> stds75,
> stlm75,
> @@ -229,6 +230,13 @@ static const struct lm75_params device_params[] = {
> .num_sample_times = 4,
> .sample_times = (unsigned int []){ 28, 55, 110, 220 },
> },
> + [p3t1750] = {
> + .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,
> @@ -806,6 +814,7 @@ static const struct i2c_device_id lm75_i2c_ids[] = {
> { "max31726", max31725, },
> { "mcp980x", mcp980x, },
> { "p3t1755", p3t1755, },
> + { "p3t1750", p3t1750, },
> { "pct2075", pct2075, },
> { "stds75", stds75, },
> { "stlm75", stlm75, },
> @@ -920,6 +929,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
> .compatible = "nxp,p3t1755",
> .data = (void *)p3t1755
> },
> + {
> + .compatible = "nxp,p3t1750",
> + .data = (void *)p3t1750
> + },
> {
> .compatible = "nxp,pct2075",
> .data = (void *)pct2075
^ permalink raw reply [flat|nested] 5+ messages in thread
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2025-07-28 4:19 [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750 Lakshay Piplani
2025-07-28 4:19 ` [PATCH v2 2/2] hwmon: (lm75) Add NXP P3T1750 support Lakshay Piplani
2025-07-31 23:50 ` Guenter Roeck
2025-07-28 4:54 ` [PATCH v2 1/2] dt-bindings: hwmon: (lm75) Add binding for NXP P3T1750 Krzysztof Kozlowski
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