1 files changed, 92 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/cec/amlogic,meson-gx-ao-cec.yaml b/Documentation/devicetree/bindings/media/cec/amlogic,meson-gx-ao-cec.yaml
new file mode 100644
index 000000000000..b1fab53418f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/cec/amlogic,meson-gx-ao-cec.yaml
@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 BayLibre, SAS
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/cec/amlogic,meson-gx-ao-cec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson AO-CEC Controller
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+description: |
+  The Amlogic Meson AO-CEC module is present is Amlogic SoCs and its purpose is
+  to handle communication between HDMI connected devices over the CEC bus.
+
+properties:
+  compatible:
+    enum:
+      - amlogic,meson-gx-ao-cec # GXBB, GXL, GXM, G12A and SM1 AO_CEC_A module
+      - amlogic,meson-g12a-ao-cec # G12A AO_CEC_B module
+      - amlogic,meson-sm1-ao-cec # SM1 AO_CEC_B module
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+allOf:
+  - $ref: cec-common.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - amlogic,meson-gx-ao-cec
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: AO-CEC clock
+
+        clock-names:
+          items:
+            - const: core
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - amlogic,meson-g12a-ao-cec
+              - amlogic,meson-sm1-ao-cec
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: AO-CEC clock generator source
+
+        clock-names:
+          items:
+            - const: oscin
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - hdmi-phandle
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    cec_AO: cec@100 {
+        compatible = "amlogic,meson-gx-ao-cec";
+        reg = <0x00100 0x14>;
+        interrupts = <199>;
+        clocks = <&clkc_cec>;
+        clock-names = "core";
+        hdmi-phandle = <&hdmi_tx>;
+    };