Linux-6.18.2/Documentation/devicetree/bindings/embedded-controller/lenovo,thinkpad-t14s-ec.yaml
2025-12-23 20:06:59 +08:00

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YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/embedded-controller/lenovo,thinkpad-t14s-ec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Lenovo Thinkpad T14s Embedded Controller
maintainers:
- Sebastian Reichel <sre@kernel.org>
description:
The Qualcomm Snapdragon-based Lenovo Thinkpad T14s has an Embedded Controller
(EC) which handles things such as keyboard backlight, LEDs or non-standard
keys.
properties:
compatible:
const: lenovo,thinkpad-t14s-ec
reg:
const: 0x28
interrupts:
maxItems: 1
wakeup-source: true
required:
- compatible
- reg
- interrupts
additionalProperties: false
examples:
- |+
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
embedded-controller@28 {
compatible = "lenovo,thinkpad-t14s-ec";
reg = <0x28>;
interrupts-extended = <&tlmm 66 IRQ_TYPE_LEVEL_LOW>;
wakeup-source;
};
};
...