diff options
| author | Ronald Claveau <linux-kernel-dev@aliel.fr> | 2026-04-21 13:49:18 +0200 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2026-06-17 11:30:55 +0100 |
| commit | 39dd85d9246ecf880aeea165f594c81c50afaabf (patch) | |
| tree | e68316677efce7642fe965b23cc5dcff81e7160e | |
| parent | 68d574451d20927b38db08369af6bacecf55205a (diff) | |
dt-bindings: mfd: khadas: Add new compatible for Khadas VIM4 MCU
The Khadas VIM4 MCU register is slightly different
from previous boards' MCU.
This board also features a switchable power source for its fan.
Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260421-add-mcu-fan-khadas-vim4-v4-1-447114a28f2d@aliel.fr
Signed-off-by: Lee Jones <lee@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/khadas,mcu.yaml | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml index 084960fd5a1f..1f135618e3b6 100644 --- a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml +++ b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml @@ -18,6 +18,7 @@ properties: compatible: enum: - khadas,mcu # MCU revision is discoverable + - khadas,vim4-mcu # Different MCU variant, not discoverable "#cooling-cells": # Only needed for boards having FAN control feature const: 2 @@ -25,10 +26,27 @@ properties: reg: maxItems: 1 + fan-supply: + description: Phandle to the regulator that powers the fan. + $ref: /schemas/types.yaml#/definitions/phandle + required: - compatible - reg +allOf: + - if: + properties: + compatible: + contains: + const: khadas,vim4-mcu + then: + required: + - fan-supply + else: + properties: + fan-supply: false + additionalProperties: false examples: |