| # 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>; |
| }; |
| }; |