[PATCH 6.12.y-cip 15/19] hwmon: (tmp108) Add NXP p3t1085 support

Tommaso Merciai
2026-01-08T09:31:40Z

From: Frank Li <Frank.Li@nxp.com>

commit 11d35624d7696a64724160199fc94587010d7cb2 upstream.

Add compatible string 'nxp,p3t1085' since p3t1085's register layout is the
same as tmp108.

The p3t1085 supports I3C interface.

Update document tmp108.rst and Kconfig's help context.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Message-ID: <20241111-p3t1085-v3-2-bff511550aad@nxp.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
---
Documentation/hwmon/tmp108.rst | 8 ++++++++
drivers/hwmon/Kconfig | 2 +-
drivers/hwmon/tmp108.c | 1 +
3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/hwmon/tmp108.rst b/Documentation/hwmon/tmp108.rst
index 6df7cf1b42f4..bc4941d98268 100644
--- a/Documentation/hwmon/tmp108.rst
+++ b/Documentation/hwmon/tmp108.rst
@@ -3,6 +3,14 @@ Kernel driver tmp108

Supported chips:

+ * NXP P3T1085
+
+ Prefix: 'p3t1085'
+
+ Addresses scanned: none
+
+ Datasheet: https://www.nxp.com/docs/en/data-sheet/P3T1085UK.pdf
+
* Texas Instruments TMP108

Prefix: 'tmp108'
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 58480a3f4683..6cb831da6048 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -2277,7 +2277,7 @@ config SENSORS_TMP108
select REGMAP_I2C
help
If you say yes here you get support for Texas Instruments TMP108
- sensor chips.
+ sensor chips and NXP P3T1085.

This driver can also be built as a module. If so, the module
will be called tmp108.
diff --git a/drivers/hwmon/tmp108.c b/drivers/hwmon/tmp108.c
index a82bbc959eb1..b561b452d8d3 100644
--- a/drivers/hwmon/tmp108.c
+++ b/drivers/hwmon/tmp108.c
@@ -420,6 +420,7 @@ MODULE_DEVICE_TABLE(i2c, tmp108_i2c_ids);

#ifdef CONFIG_OF
static const struct of_device_id tmp108_of_ids[] = {
+ { .compatible = "nxp,p3t1085", },
{ .compatible = "ti,tmp108", },
{}
};
--
2.43.0