113 lines
2.4 KiB
YAML
113 lines
2.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/amlogic,axg-fifo.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Amlogic AXG Audio FIFO controllers
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maintainers:
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- Jerome Brunet <jbrunet@baylibre.com>
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properties:
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compatible:
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oneOf:
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- enum:
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- amlogic,axg-toddr
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- amlogic,axg-frddr
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- items:
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- enum:
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- amlogic,g12a-toddr
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- amlogic,sm1-toddr
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- const: amlogic,axg-toddr
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- items:
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- enum:
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- amlogic,g12a-frddr
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- amlogic,sm1-frddr
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- const: amlogic,axg-frddr
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reg:
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maxItems: 1
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"#sound-dai-cells":
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const: 0
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clocks:
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items:
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- description: Peripheral clock
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interrupts:
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maxItems: 1
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resets:
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minItems: 1
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maxItems: 2
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reset-names:
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minItems: 1
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maxItems: 2
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amlogic,fifo-depth:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: Size of the controller's fifo in bytes
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required:
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- compatible
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- reg
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- "#sound-dai-cells"
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- clocks
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- interrupts
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- resets
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- amlogic,fifo-depth
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allOf:
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- $ref: dai-common.yaml#
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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,g12a-toddr
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- amlogic,sm1-toddr
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- amlogic,g12a-frddr
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- amlogic,sm1-frddr
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then:
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properties:
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resets:
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minItems: 2
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reset-names:
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items:
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- const: arb
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- const: rst
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required:
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- reset-names
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else:
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properties:
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resets:
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maxItems: 1
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reset-names:
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const: arb
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/axg-audio-clkc.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
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#include <dt-bindings/reset/amlogic,meson-g12a-audio-reset.h>
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audio-controller@1c0 {
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compatible = "amlogic,g12a-frddr", "amlogic,axg-frddr";
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reg = <0x1c0 0x1c>;
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#sound-dai-cells = <0>;
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clocks = <&clkc_audio AUD_CLKID_FRDDR_A>;
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interrupts = <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>;
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resets = <&arb>, <&clkc_audio AUD_RESET_FRDDR_A>;
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reset-names = "arb", "rst";
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amlogic,fifo-depth = <512>;
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};
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