# 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 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 hdmi-phandle: description: phandle to the HDMI controller $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: 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 additionalProperties: 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>; };