Linux-6.18.2/Documentation/devicetree/bindings/dma/spacemit,k1-pdma.yaml
2025-12-23 20:06:59 +08:00

69 lines
1.2 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/dma/spacemit,k1-pdma.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SpacemiT K1 PDMA Controller
maintainers:
- Guodong Xu <guodong@riscstar.com>
allOf:
- $ref: dma-controller.yaml#
properties:
compatible:
const: spacemit,k1-pdma
reg:
maxItems: 1
interrupts:
description: Shared interrupt for all DMA channels
maxItems: 1
clocks:
maxItems: 1
resets:
maxItems: 1
dma-channels:
maximum: 16
'#dma-cells':
const: 1
description:
The DMA request number for the peripheral device.
required:
- compatible
- reg
- interrupts
- clocks
- resets
- dma-channels
- '#dma-cells'
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/spacemit,k1-syscon.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
dma-controller@d4000000 {
compatible = "spacemit,k1-pdma";
reg = <0x0 0xd4000000 0x0 0x4000>;
interrupts = <72>;
clocks = <&syscon_apmu CLK_DMA>;
resets = <&syscon_apmu RESET_DMA>;
dma-channels = <16>;
#dma-cells = <1>;
};
};