95 lines
1.7 KiB
YAML
95 lines
1.7 KiB
YAML
|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/sound/snps,designware-i2s.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: DesignWare I2S controller
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Jose Abreu <joabreu@synopsys.com>
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
oneOf:
|
||
|
|
- items:
|
||
|
|
- const: canaan,k210-i2s
|
||
|
|
- const: snps,designware-i2s
|
||
|
|
- enum:
|
||
|
|
- snps,designware-i2s
|
||
|
|
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
interrupts:
|
||
|
|
description: |
|
||
|
|
The interrupt line number for the I2S controller. Add this
|
||
|
|
parameter if the I2S controller that you are using does not
|
||
|
|
support DMA.
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
clocks:
|
||
|
|
description: Sampling rate reference clock
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
clock-names:
|
||
|
|
const: i2sclk
|
||
|
|
|
||
|
|
resets:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
dmas:
|
||
|
|
items:
|
||
|
|
- description: TX DMA Channel
|
||
|
|
- description: RX DMA Channel
|
||
|
|
minItems: 1
|
||
|
|
|
||
|
|
dma-names:
|
||
|
|
items:
|
||
|
|
- const: tx
|
||
|
|
- const: rx
|
||
|
|
minItems: 1
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- $ref: dai-common.yaml#
|
||
|
|
- if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
const: canaan,k210-i2s
|
||
|
|
then:
|
||
|
|
properties:
|
||
|
|
"#sound-dai-cells":
|
||
|
|
const: 1
|
||
|
|
else:
|
||
|
|
properties:
|
||
|
|
"#sound-dai-cells":
|
||
|
|
const: 0
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- reg
|
||
|
|
- clocks
|
||
|
|
- clock-names
|
||
|
|
|
||
|
|
oneOf:
|
||
|
|
- required:
|
||
|
|
- dmas
|
||
|
|
- dma-names
|
||
|
|
- required:
|
||
|
|
- interrupts
|
||
|
|
|
||
|
|
unevaluatedProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
soc_i2s: i2s@7ff90000 {
|
||
|
|
compatible = "snps,designware-i2s";
|
||
|
|
reg = <0x7ff90000 0x1000>;
|
||
|
|
clocks = <&scpi_i2sclk 0>;
|
||
|
|
clock-names = "i2sclk";
|
||
|
|
#sound-dai-cells = <0>;
|
||
|
|
dmas = <&dma0 5>;
|
||
|
|
dma-names = "tx";
|
||
|
|
};
|