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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2019 BayLibre, SAS
%YAML 1.2
---
$id: "http://devicetree.org/schemas/media/amlogic,meson-gx-ao-cec.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Amlogic Meson AO-CEC Controller
maintainers:
- Neil Armstrong <narmstrong@baylibre.com>
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
interrupts:
maxItems: 1
hdmi-phandle:
description: phandle to the HDMI controller
allOf:
- $ref: /schemas/types.yaml#/definitions/phandle
allOf:
- if:
properties:
compatible:
contains:
enum:
- amlogic,meson-gx-ao-cec
then:
properties:
clocks:
items:
- description: AO-CEC clock
clock-names:
maxItems: 1
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:
maxItems: 1
items:
- const: oscin
required:
- compatible
- reg
- interrupts
- hdmi-phandle
- clocks
- clock-names
examples:
- |
cec_AO: cec@100 {
compatible = "amlogic,meson-gx-ao-cec";
reg = <0x0 0x00100 0x0 0x14>;
interrupts = <199>;
clocks = <&clkc_cec>;
clock-names = "core";
hdmi-phandle = <&hdmi_tx>;
};
|
