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