Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
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index 000000000..084960fd5
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+++ b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/khadas,mcu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Khadas on-board Microcontroller
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+description: |
+  Khadas embeds a microcontroller on their VIM and Edge boards adding some
+  system feature as PWM Fan control (for VIM2 rev14 or VIM3), User memory
+  storage, IR/Key resume control, system power LED control and more.
+
+properties:
+  compatible:
+    enum:
+      - khadas,mcu # MCU revision is discoverable
+
+  "#cooling-cells": # Only needed for boards having FAN control feature
+    const: 2
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      khadas_mcu: system-controller@18 {
+        compatible = "khadas,mcu";
+        reg = <0x18>;
+        #cooling-cells = <2>;
+      };
+    };