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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/khadas,mcu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Khadas on-board Microcontroller Device Tree Bindings
maintainers:
- Neil Armstrong <narmstrong@baylibre.com>
description: |
Khadas embeds a microcontroller on their VIM and Edge boards adding some
system feature as PWM Fan control (for VIM2 rev14 or VIM3), User memory
storage, IR/Key resume control, system power LED control and more.
properties:
compatible:
enum:
- khadas,mcu # MCU revision is discoverable
"#cooling-cells": # Only needed for boards having FAN control feature
const: 2
reg:
maxItems: 1
required:
- compatible
- reg
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
khadas_mcu: system-controller@18 {
compatible = "khadas,mcu";
reg = <0x18>;
#cooling-cells = <2>;
};
};
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