| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/dma/fsl,mxs-dma.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Freescale Direct Memory Access (DMA) Controller from i.MX23/i.MX28 |
| |
| maintainers: |
| - Marek Vasut <marex@denx.de> |
| |
| allOf: |
| - $ref: dma-controller.yaml# |
| - if: |
| properties: |
| compatible: |
| contains: |
| const: fsl,imx8qxp-dma-apbh |
| then: |
| required: |
| - power-domains |
| else: |
| properties: |
| power-domains: false |
| |
| properties: |
| compatible: |
| oneOf: |
| - items: |
| - enum: |
| - fsl,imx6q-dma-apbh |
| - fsl,imx6sx-dma-apbh |
| - fsl,imx7d-dma-apbh |
| - fsl,imx8qxp-dma-apbh |
| - const: fsl,imx28-dma-apbh |
| - enum: |
| - fsl,imx23-dma-apbh |
| - fsl,imx23-dma-apbx |
| - fsl,imx28-dma-apbh |
| - fsl,imx28-dma-apbx |
| reg: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| |
| interrupts: |
| minItems: 4 |
| maxItems: 16 |
| |
| "#dma-cells": |
| const: 1 |
| |
| dma-channels: |
| enum: [4, 8, 16] |
| |
| power-domains: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - "#dma-cells" |
| - dma-channels |
| - interrupts |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| interrupt-parent = <&irqc>; |
| |
| dma-controller@80004000 { |
| compatible = "fsl,imx28-dma-apbh"; |
| reg = <0x80004000 0x2000>; |
| interrupts = <82 83 84 85 |
| 88 88 88 88 |
| 88 88 88 88 |
| 87 86 0 0>; |
| #dma-cells = <1>; |
| dma-channels = <16>; |
| }; |
| |
| dma-controller@80024000 { |
| compatible = "fsl,imx28-dma-apbx"; |
| reg = <0x80024000 0x2000>; |
| interrupts = <78 79 66 0 |
| 80 81 68 69 |
| 70 71 72 73 |
| 74 75 76 77>; |
| #dma-cells = <1>; |
| dma-channels = <16>; |
| }; |
| |
| ... |
