106 lines
1.8 KiB
YAML
106 lines
1.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/marvell,mmp-sspa.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Marvel SSPA Digital Audio Interface
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maintainers:
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- Lubomir Rintel <lkundrak@v3.sk>
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allOf:
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- $ref: dai-common.yaml#
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properties:
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$nodename:
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pattern: "^audio-controller(@.*)?$"
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compatible:
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const: marvell,mmp-sspa
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reg:
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items:
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- description: RX block
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- description: TX block
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: Clock for the Audio block
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- description: I2S bit clock
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clock-names:
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items:
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- const: audio
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- const: bitclk
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power-domains:
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maxItems: 1
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'#sound-dai-cells':
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const: 0
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dmas:
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items:
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- description: TX DMA Channel
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- description: RX DMA Channel
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dma-names:
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items:
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- const: tx
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- const: rx
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port:
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$ref: audio-graph-port.yaml#
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unevaluatedProperties: false
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properties:
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endpoint:
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type: object
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additionalProperties: true
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properties:
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dai-format:
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const: i2s
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required:
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- "#sound-dai-cells"
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- dmas
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- dma-names
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- port
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/marvell,mmp2.h>
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audio-controller@d42a0c00 {
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compatible = "marvell,mmp-sspa";
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reg = <0xd42a0c00 0x30>,
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<0xd42a0c80 0x30>;
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interrupts = <2>;
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clock-names = "audio", "bitclk";
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clocks = <&soc_clocks 127>,
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<&audio_clk 1>;
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#sound-dai-cells = <0>;
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dmas = <&adma0 0>, <&adma0 1>;
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dma-names = "tx", "rx";
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port {
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endpoint {
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remote-endpoint = <&rt5631_0>;
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dai-format = "i2s";
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};
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};
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};
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...
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