| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |