1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/khadas,mcu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Khadas on-board Microcontroller
8
9 maintainers:
10 - Neil Armstrong <neil.armstrong@linaro.org>
11
12 description: |
13 Khadas embeds a microcontroller on their VIM and Edge boards adding some
14 system feature as PWM Fan control (for VIM2 rev14 or VIM3), User memory
15 storage, IR/Key resume control, system power LED control and more.
16
17 properties:
18 compatible:
19 enum:
20 - khadas,mcu # MCU revision is discoverable
21
22 "#cooling-cells": # Only needed for boards having FAN control feature
23 const: 2
24
25 reg:
26 maxItems: 1
27
28 required:
29 - compatible
30 - reg
31
32 additionalProperties: false
33
34 examples:
35 - |
36 i2c {
37 #address-cells = <1>;
38 #size-cells = <0>;
39 khadas_mcu: system-controller@18 {
40 compatible = "khadas,mcu";
41 reg = <0x18>;
42 #cooling-cells = <2>;
43 };
44 };
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