summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/khadas,mcu.yaml')
-rw-r--r--Documentation/devicetree/bindings/mfd/khadas,mcu.yaml44
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
new file mode 100644
index 000000000..084960fd5
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
@@ -0,0 +1,44 @@
+# 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>;
+ };
+ };