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b39a6b2e9d
"fan-supply" already has a type and shouldn't have a type $ref. Drop the
$ref to fix the warning.
Fixes: 39dd85d924 ("dt-bindings: mfd: khadas: Add new compatible for Khadas VIM4 MCU")
Link: https://patch.msgid.link/20260624133643.4146351-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
62 lines
1.3 KiB
YAML
62 lines
1.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/khadas,mcu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Khadas on-board Microcontroller
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maintainers:
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- Neil Armstrong <neil.armstrong@linaro.org>
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description: |
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Khadas embeds a microcontroller on their VIM and Edge boards adding some
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system feature as PWM Fan control (for VIM2 rev14 or VIM3), User memory
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storage, IR/Key resume control, system power LED control and more.
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properties:
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compatible:
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enum:
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- khadas,mcu # MCU revision is discoverable
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- khadas,vim4-mcu # Different MCU variant, not discoverable
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"#cooling-cells": # Only needed for boards having FAN control feature
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const: 2
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reg:
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maxItems: 1
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fan-supply:
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description: Phandle to the regulator that powers the fan.
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required:
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- compatible
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- reg
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: khadas,vim4-mcu
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then:
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required:
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- fan-supply
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else:
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properties:
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fan-supply: false
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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khadas_mcu: system-controller@18 {
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compatible = "khadas,mcu";
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reg = <0x18>;
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#cooling-cells = <2>;
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};
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};
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