162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/mfd/khadas,mcu.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: Khadas on-board Microcontroller 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Neil Armstrong <neil.armstrong@linaro.org> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cidescription: | 1362306a36Sopenharmony_ci Khadas embeds a microcontroller on their VIM and Edge boards adding some 1462306a36Sopenharmony_ci system feature as PWM Fan control (for VIM2 rev14 or VIM3), User memory 1562306a36Sopenharmony_ci storage, IR/Key resume control, system power LED control and more. 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ciproperties: 1862306a36Sopenharmony_ci compatible: 1962306a36Sopenharmony_ci enum: 2062306a36Sopenharmony_ci - khadas,mcu # MCU revision is discoverable 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci "#cooling-cells": # Only needed for boards having FAN control feature 2362306a36Sopenharmony_ci const: 2 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci reg: 2662306a36Sopenharmony_ci maxItems: 1 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_cirequired: 2962306a36Sopenharmony_ci - compatible 3062306a36Sopenharmony_ci - reg 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ciadditionalProperties: false 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ciexamples: 3562306a36Sopenharmony_ci - | 3662306a36Sopenharmony_ci i2c { 3762306a36Sopenharmony_ci #address-cells = <1>; 3862306a36Sopenharmony_ci #size-cells = <0>; 3962306a36Sopenharmony_ci khadas_mcu: system-controller@18 { 4062306a36Sopenharmony_ci compatible = "khadas,mcu"; 4162306a36Sopenharmony_ci reg = <0x18>; 4262306a36Sopenharmony_ci #cooling-cells = <2>; 4362306a36Sopenharmony_ci }; 4462306a36Sopenharmony_ci }; 45