[PATCH 1/2] dt-bindings: embedded-controller: Add HP OmniBook 5 16 EC

From: Rahul Pon

Date: Mon Nov 09 2026 - 05:50:08 EST


The HP OmniBook 5 16 (Snapdragon X2) has an embedded controller on I2C
at address 0x76. It runs the fan and the keyboard backlight and reports
the fan speed and its thermistor temperatures.

Signed-off-by: Rahul Pon <theflyingrahul@xxxxxxxxx>
---
.../hp,omnibook-5-16-bf1xxx-ec.yaml | 49 +++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644 Documentation/devicetree/bindings/embedded-controller/hp,omnibook-5-16-bf1xxx-ec.yaml

diff --git a/Documentation/devicetree/bindings/embedded-controller/hp,omnibook-5-16-bf1xxx-ec.yaml b/Documentation/devicetree/bindings/embedded-controller/hp,omnibook-5-16-bf1xxx-ec.yaml
new file mode 100644
index 0000000000..be4c845067
--- /dev/null
+++ b/Documentation/devicetree/bindings/embedded-controller/hp,omnibook-5-16-bf1xxx-ec.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/hp,omnibook-5-16-bf1xxx-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HP OmniBook 5 16 Embedded Controller
+
+maintainers:
+ - Rahul Pon <theflyingrahul@xxxxxxxxx>
+
+description:
+ The embedded controller of the HP OmniBook 5 16 (Snapdragon X2), on an
+ I2C bus. It runs the fan and the keyboard backlight and reports the fan
+ speed and its thermistor temperatures. Its four thermistors can serve
+ as thermal sensors, indexed 0 to 3.
+
+properties:
+ compatible:
+ const: hp,omnibook-5-16-bf1xxx-ec
+
+ reg:
+ const: 0x76
+
+ interrupts:
+ maxItems: 1
+
+ "#thermal-sensor-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ embedded-controller@76 {
+ compatible = "hp,omnibook-5-16-bf1xxx-ec";
+ reg = <0x76>;
+ #thermal-sensor-cells = <1>;
+ };
+ };
+...
--
2.53.0