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diff --git a/Documentation/devicetree/bindings/pinctrl/amlogic,meson8-pinctrl-aobus.yaml b/Documentation/devicetree/bindings/pinctrl/amlogic,meson8-pinctrl-aobus.yaml
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+++ b/Documentation/devicetree/bindings/pinctrl/amlogic,meson8-pinctrl-aobus.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/amlogic,meson8-pinctrl-aobus.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson8 AOBUS pinmux controller
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+allOf:
+  - $ref: amlogic,meson-pinctrl-common.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - amlogic,meson8-aobus-pinctrl
+          - amlogic,meson8b-aobus-pinctrl
+          - amlogic,meson-gxbb-aobus-pinctrl
+          - amlogic,meson-gxl-aobus-pinctrl
+          - amlogic,meson-axg-aobus-pinctrl
+      - items:
+          - const: amlogic,meson8m2-aobus-pinctrl
+          - const: amlogic,meson8-aobus-pinctrl
+
+required:
+  - compatible
+
+patternProperties:
+  "^bank@[0-9a-z]+$":
+    $ref: amlogic,meson-pinctrl-common.yaml#/$defs/meson-gpio
+
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        maxItems: 3
+
+      reg-names:
+        items:
+          - const: mux
+          - const: pull
+          - const: gpio
+
+      gpio-line-names:
+        minItems: 11 # GXL
+        maxItems: 16 # Meson8
+
+unevaluatedProperties:
+  type: object
+  $ref: amlogic,meson-pinctrl-common.yaml#/$defs/meson-pins
+
+examples:
+  - |
+    pinctrl_aobus: pinctrl {
+      compatible = "amlogic,meson8-aobus-pinctrl";
+      #address-cells = <1>;
+      #size-cells = <1>;
+      ranges;
+
+      bank@14 {
+        reg = <0x14 0x4>,
+              <0x2c 0x4>,
+              <0x24 0x8>;
+        reg-names = "mux", "pull", "gpio";
+        gpio-controller;
+        #gpio-cells = <2>;
+        gpio-ranges = <&pinctrl_aobus 0 0 16>;
+      };
+
+      cec_ao_a_h_pins: cec_ao_a_h {
+        mux {
+          groups = "cec_ao_a_h";
+          function = "cec_ao_a_h";
+          bias-disable;
+        };
+      };
+    };