89 lines
1.5 KiB
YAML
89 lines
1.5 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/dma/allwinner,sun50i-a64-dma.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Allwinner A64 DMA Controller Device Tree Bindings
|
|
|
|
maintainers:
|
|
- Chen-Yu Tsai <wens@csie.org>
|
|
- Maxime Ripard <maxime.ripard@bootlin.com>
|
|
|
|
allOf:
|
|
- $ref: "dma-controller.yaml#"
|
|
|
|
properties:
|
|
"#dma-cells":
|
|
const: 1
|
|
description: The cell is the request line number.
|
|
|
|
compatible:
|
|
enum:
|
|
- allwinner,sun50i-a64-dma
|
|
- allwinner,sun50i-h6-dma
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
minItems: 1
|
|
maxItems: 2
|
|
|
|
clock-names:
|
|
items:
|
|
- const: bus
|
|
- const: mbus
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
required:
|
|
- "#dma-cells"
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clocks
|
|
- resets
|
|
- dma-channels
|
|
|
|
if:
|
|
properties:
|
|
compatible:
|
|
const: allwinner,sun50i-h6-dma
|
|
|
|
then:
|
|
properties:
|
|
clocks:
|
|
maxItems: 2
|
|
|
|
required:
|
|
- clock-names
|
|
|
|
else:
|
|
properties:
|
|
clocks:
|
|
maxItems: 1
|
|
|
|
# FIXME: We should set it, but it would report all the generic
|
|
# properties as additional properties.
|
|
# additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
dma: dma-controller@1c02000 {
|
|
compatible = "allwinner,sun50i-a64-dma";
|
|
reg = <0x01c02000 0x1000>;
|
|
interrupts = <0 50 4>;
|
|
clocks = <&ccu 30>;
|
|
dma-channels = <8>;
|
|
dma-requests = <27>;
|
|
resets = <&ccu 7>;
|
|
#dma-cells = <1>;
|
|
};
|
|
|
|
...
|