new file mode 100644
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/apple,smc-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple Mac System Management Controller GPIO
+
+maintainers:
+ - Sven Peter <sven@svenpeter.dev>
+
+description:
+ Apple Mac System Management Controller GPIO block.
+
+properties:
+ compatible:
+ const: apple,smc-gpio
+
+ gpio-controller: true
+
+ '#gpio-cells':
+ const: 2
+
+required:
+ - compatible
+ - gpio-controller
+ - '#gpio-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ gpio {
+ compatible = "apple,smc-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
@@ -2267,6 +2267,7 @@ F: Documentation/devicetree/bindings/arm/apple/*
F: Documentation/devicetree/bindings/clock/apple,nco.yaml
F: Documentation/devicetree/bindings/cpufreq/apple,cluster-cpufreq.yaml
F: Documentation/devicetree/bindings/dma/apple,admac.yaml
+F: Documentation/devicetree/bindings/gpio/apple,smc-gpio.yaml
F: Documentation/devicetree/bindings/i2c/apple,i2c.yaml
F: Documentation/devicetree/bindings/input/touchscreen/apple,z2-multitouch.yaml
F: Documentation/devicetree/bindings/interrupt-controller/apple,*