133 lines
2.9 KiB
YAML
133 lines
2.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-i2s.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Allwinner A10 I2S Controller Device Tree Bindings
|
|
|
|
maintainers:
|
|
- Chen-Yu Tsai <wens@csie.org>
|
|
- Maxime Ripard <maxime.ripard@bootlin.com>
|
|
|
|
properties:
|
|
"#sound-dai-cells":
|
|
const: 0
|
|
|
|
compatible:
|
|
oneOf:
|
|
- const: allwinner,sun4i-a10-i2s
|
|
- const: allwinner,sun6i-a31-i2s
|
|
- const: allwinner,sun8i-a83t-i2s
|
|
- const: allwinner,sun8i-h3-i2s
|
|
- const: allwinner,sun50i-a64-codec-i2s
|
|
- items:
|
|
- const: allwinner,sun50i-a64-i2s
|
|
- const: allwinner,sun8i-h3-i2s
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
items:
|
|
- description: Bus Clock
|
|
- description: Module Clock
|
|
|
|
clock-names:
|
|
items:
|
|
- const: apb
|
|
- const: mod
|
|
|
|
# Even though it only applies to subschemas under the conditionals,
|
|
# not listing them here will trigger a warning because of the
|
|
# additionalsProperties set to false.
|
|
dmas: true
|
|
dma-names: true
|
|
resets:
|
|
maxItems: 1
|
|
|
|
allOf:
|
|
- if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
enum:
|
|
- allwinner,sun6i-a31-i2s
|
|
- allwinner,sun8i-a83t-i2s
|
|
- allwinner,sun8i-h3-i2s
|
|
- allwinner,sun50i-a64-codec-i2s
|
|
|
|
then:
|
|
required:
|
|
- resets
|
|
|
|
- if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
const: allwinner,sun8i-a83t-i2s
|
|
|
|
then:
|
|
properties:
|
|
dmas:
|
|
minItems: 1
|
|
maxItems: 2
|
|
items:
|
|
- description: RX DMA Channel
|
|
- description: TX DMA Channel
|
|
description:
|
|
Some controllers cannot receive but can only transmit
|
|
data. In such a case, the RX DMA channel is to be omitted.
|
|
|
|
dma-names:
|
|
oneOf:
|
|
- items:
|
|
- const: rx
|
|
- const: tx
|
|
- const: tx
|
|
description:
|
|
Some controllers cannot receive but can only transmit
|
|
data. In such a case, the RX name is to be omitted.
|
|
|
|
else:
|
|
properties:
|
|
dmas:
|
|
items:
|
|
- description: RX DMA Channel
|
|
- description: TX DMA Channel
|
|
|
|
dma-names:
|
|
items:
|
|
- const: rx
|
|
- const: tx
|
|
|
|
required:
|
|
- "#sound-dai-cells"
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clocks
|
|
- clock-names
|
|
- dmas
|
|
- dma-names
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
i2s0: i2s@1c22400 {
|
|
#sound-dai-cells = <0>;
|
|
compatible = "allwinner,sun4i-a10-i2s";
|
|
reg = <0x01c22400 0x400>;
|
|
interrupts = <0 16 4>;
|
|
clocks = <&apb0_gates 3>, <&i2s0_clk>;
|
|
clock-names = "apb", "mod";
|
|
dmas = <&dma 0 3>, <&dma 0 3>;
|
|
dma-names = "rx", "tx";
|
|
};
|
|
|
|
...
|