| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/dma/nxp,lpc3220-dmamux.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: DMA multiplexer for LPC32XX SoC (DMA request router) |
| |
| maintainers: |
| - J.M.B. Downing <jonathan.downing@nautel.com> |
| - Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com> |
| |
| allOf: |
| - $ref: dma-router.yaml# |
| |
| properties: |
| compatible: |
| const: nxp,lpc3220-dmamux |
| |
| reg: |
| maxItems: 1 |
| |
| dma-masters: |
| description: phandle to a dma node compatible with arm,pl080 |
| maxItems: 1 |
| |
| "#dma-cells": |
| const: 3 |
| description: | |
| First two cells same as for device pointed in dma-masters. |
| Third cell represents mux value for the request. |
| |
| required: |
| - compatible |
| - reg |
| - dma-masters |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| dma-router@7c { |
| compatible = "nxp,lpc3220-dmamux"; |
| reg = <0x7c 0x8>; |
| dma-masters = <&dma>; |
| #dma-cells = <3>; |
| }; |
| |
| ... |
