[PATCH 1/2] dt-bindings: iio: temperature: add ADI MAX30210

From: John Erasmus Mari Geronimo

Date: Thu Feb 26 2026 - 13:04:48 EST


Add device tree binding documentation for the Analog Devices
MAX30210 temperature sensor.

Signed-off-by: John Erasmus Mari Geronimo <johnerasmusmari.geronimo@xxxxxxxxxx>
---
.../iio/temperature/adi,max30210.yaml | 71 +++++++++++++++++++
1 file changed, 71 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/temperature/adi,max30210.yaml

diff --git a/Documentation/devicetree/bindings/iio/temperature/adi,max30210.yaml b/Documentation/devicetree/bindings/iio/temperature/adi,max30210.yaml
new file mode 100644
index 000000000000..80aeae23e0a5
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/temperature/adi,max30210.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2026 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/temperature/adi,max30210.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX30210 Low-Power I2C Digital Temperature Sensor
+
+maintainers:
+ - John Erasmus Mari Geronimo <johnerasmusmari.geronimo@xxxxxxxxxx>
+
+description: |
+ The MAX30210 operates from 1.7V to 2.0V supply voltage, and is a low-power,
+ high-accuracy digital temperature sensor with ±0.1°C accuracy from +20°C to
+ +50°C and ±0.15°C accuracy from -20°C to +85°C.
+ https://www.analog.com/media/en/technical-documentation/data-sheets/max30210.pdf
+
+properties:
+ compatible:
+ enum:
+ - adi,max30210
+
+ reg:
+ maxItems: 1
+
+ vdd-supply:
+ description: |
+ Analog Supply Voltage Input. Must have values in the interval (1.7V; 5.5V)
+ in order for the device to function correctly.
+
+ powerdown-gpios:
+ description: |
+ GPIO spec for CVT/PDB pin. Should be configured with GPIO_ACTIVE_LOW.
+ maxItems: 1
+
+ interrupts:
+ description: |
+ Connected to INT pin. Should be configured with type IRQ_TYPE_EDGE_BOTH.
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - vdd-supply
+ - powerdown-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/pwm/pwm.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ temperature-sensor@40 {
+ compatible = "adi,max30210";
+ reg = <0x40>;
+ vdd-supply = <&vdd>;
+ powerdown-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+
+ interrupt-parent = <&gpio>;
+ interrupts = <17 IRQ_TYPE_EDGE_BOTH>;
+ };
+ };
+...
--
2.34.1