18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 28c2ecf20Sopenharmony_ci%YAML 1.2 38c2ecf20Sopenharmony_ci--- 48c2ecf20Sopenharmony_ci$id: http://devicetree.org/schemas/mfd/khadas,mcu.yaml# 58c2ecf20Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_cititle: Khadas on-board Microcontroller Device Tree Bindings 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_cimaintainers: 108c2ecf20Sopenharmony_ci - Neil Armstrong <narmstrong@baylibre.com> 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_cidescription: | 138c2ecf20Sopenharmony_ci Khadas embeds a microcontroller on their VIM and Edge boards adding some 148c2ecf20Sopenharmony_ci system feature as PWM Fan control (for VIM2 rev14 or VIM3), User memory 158c2ecf20Sopenharmony_ci storage, IR/Key resume control, system power LED control and more. 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciproperties: 188c2ecf20Sopenharmony_ci compatible: 198c2ecf20Sopenharmony_ci enum: 208c2ecf20Sopenharmony_ci - khadas,mcu # MCU revision is discoverable 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci "#cooling-cells": # Only needed for boards having FAN control feature 238c2ecf20Sopenharmony_ci const: 2 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci reg: 268c2ecf20Sopenharmony_ci maxItems: 1 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_cirequired: 298c2ecf20Sopenharmony_ci - compatible 308c2ecf20Sopenharmony_ci - reg 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ciadditionalProperties: false 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ciexamples: 358c2ecf20Sopenharmony_ci - | 368c2ecf20Sopenharmony_ci i2c { 378c2ecf20Sopenharmony_ci #address-cells = <1>; 388c2ecf20Sopenharmony_ci #size-cells = <0>; 398c2ecf20Sopenharmony_ci khadas_mcu: system-controller@18 { 408c2ecf20Sopenharmony_ci compatible = "khadas,mcu"; 418c2ecf20Sopenharmony_ci reg = <0x18>; 428c2ecf20Sopenharmony_ci #cooling-cells = <2>; 438c2ecf20Sopenharmony_ci }; 448c2ecf20Sopenharmony_ci }; 45