1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/dma/socionext,uniphier-xdmac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Socionext UniPhier external DMA controller
10 This describes the devicetree bindings for an external DMA engine to perform
11 memory-to-memory or peripheral-to-memory data transfer capable of supporting
12 16 channels, implemented in Socionext UniPhier SoCs.
15 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
18 - $ref: "dma-controller.yaml#"
22 const: socionext,uniphier-xdmac
33 DMA request from clients consists of 2 cells:
35 2. Transfer request factor number, If no transfer factor, use 0.
36 The number is SoC-specific, and this should be specified with
37 relation to the device to use the DMA controller.
43 additionalProperties: false
54 xdmac: dma-controller@5fc10000 {
55 compatible = "socionext,uniphier-xdmac";
56 reg = <0x5fc10000 0x5300>;
57 interrupts = <0 188 4>;