83 lines
1.6 KiB
YAML
83 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/sound/cirrus,ep9301-i2s.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Cirrus EP93xx I2S Controller
|
|
|
|
description: |
|
|
The I2S controller is used to stream serial audio data between the external
|
|
I2S CODECs’, ADCs/DACs, and the ARM Core. The controller supports I2S, Left-
|
|
and Right-Justified DSP formats.
|
|
|
|
maintainers:
|
|
- Alexander Sverdlin <alexander.sverdlin@gmail.com>
|
|
|
|
allOf:
|
|
- $ref: dai-common.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
const: cirrus,ep9301-i2s
|
|
|
|
'#sound-dai-cells':
|
|
const: 0
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
minItems: 3
|
|
maxItems: 3
|
|
|
|
clock-names:
|
|
items:
|
|
- const: mclk
|
|
- const: sclk
|
|
- const: lrclk
|
|
|
|
dmas:
|
|
items:
|
|
- description: out DMA channel
|
|
- description: in DMA channel
|
|
|
|
dma-names:
|
|
items:
|
|
- const: tx
|
|
- const: rx
|
|
|
|
port:
|
|
$ref: audio-graph-port.yaml#
|
|
unevaluatedProperties: false
|
|
|
|
required:
|
|
- compatible
|
|
- '#sound-dai-cells'
|
|
- reg
|
|
- clocks
|
|
- clock-names
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
i2s: i2s@80820000 {
|
|
compatible = "cirrus,ep9301-i2s";
|
|
#sound-dai-cells = <0>;
|
|
reg = <0x80820000 0x100>;
|
|
interrupt-parent = <&vic1>;
|
|
interrupts = <28>;
|
|
clocks = <&syscon 29>,
|
|
<&syscon 30>,
|
|
<&syscon 31>;
|
|
clock-names = "mclk", "sclk", "lrclk";
|
|
dmas = <&dma0 0 1>, <&dma0 0 2>;
|
|
dma-names = "tx", "rx";
|
|
};
|
|
|
|
...
|