96 lines
1.9 KiB
YAML
96 lines
1.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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# Copyright 2019 BayLibre, SAS
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/media/amlogic,meson-gx-ao-cec.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Amlogic Meson AO-CEC Controller
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maintainers:
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- Neil Armstrong <narmstrong@baylibre.com>
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description: |
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The Amlogic Meson AO-CEC module is present is Amlogic SoCs and its purpose is
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to handle communication between HDMI connected devices over the CEC bus.
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properties:
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compatible:
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enum:
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- amlogic,meson-gx-ao-cec # GXBB, GXL, GXM, G12A and SM1 AO_CEC_A module
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- amlogic,meson-g12a-ao-cec # G12A AO_CEC_B module
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- amlogic,meson-sm1-ao-cec # SM1 AO_CEC_B module
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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maxItems: 1
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interrupts:
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maxItems: 1
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hdmi-phandle:
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description: phandle to the HDMI controller
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$ref: /schemas/types.yaml#/definitions/phandle
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- amlogic,meson-gx-ao-cec
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then:
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properties:
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clocks:
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items:
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- description: AO-CEC clock
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clock-names:
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items:
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- const: core
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- if:
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properties:
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compatible:
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contains:
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enum:
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- amlogic,meson-g12a-ao-cec
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- amlogic,meson-sm1-ao-cec
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then:
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properties:
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clocks:
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items:
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- description: AO-CEC clock generator source
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clock-names:
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items:
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- const: oscin
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required:
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- compatible
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- reg
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- interrupts
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- hdmi-phandle
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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cec_AO: cec@100 {
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compatible = "amlogic,meson-gx-ao-cec";
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reg = <0x00100 0x14>;
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interrupts = <199>;
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clocks = <&clkc_cec>;
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clock-names = "core";
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hdmi-phandle = <&hdmi_tx>;
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};
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