| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/dma/fsl,mxs-dma.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Freescale Direct Memory Access (DMA) Controller from i.MX23/i.MX28 |
| 8 | |
| 9 | maintainers: |
| 10 | - Marek Vasut <marex@denx.de> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: dma-controller.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | oneOf: |
| 18 | - items: |
| 19 | - enum: |
| 20 | - fsl,imx6q-dma-apbh |
| 21 | - fsl,imx6sx-dma-apbh |
| 22 | - fsl,imx7d-dma-apbh |
| 23 | - const: fsl,imx28-dma-apbh |
| 24 | - enum: |
| 25 | - fsl,imx23-dma-apbh |
| 26 | - fsl,imx23-dma-apbx |
| 27 | - fsl,imx28-dma-apbh |
| 28 | - fsl,imx28-dma-apbx |
| 29 | reg: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | clocks: |
| 33 | maxItems: 1 |
| 34 | |
| 35 | interrupts: |
| 36 | minItems: 4 |
| 37 | maxItems: 16 |
| 38 | |
| 39 | "#dma-cells": |
| 40 | const: 1 |
| 41 | |
| 42 | dma-channels: |
| 43 | enum: [4, 8, 16] |
| 44 | |
| 45 | required: |
| 46 | - compatible |
| 47 | - reg |
| 48 | - "#dma-cells" |
| 49 | - dma-channels |
| 50 | - interrupts |
| 51 | |
| 52 | additionalProperties: false |
| 53 | |
| 54 | examples: |
| 55 | - | |
| 56 | interrupt-parent = <&irqc>; |
| 57 | |
| 58 | dma-controller@80004000 { |
| 59 | compatible = "fsl,imx28-dma-apbh"; |
| 60 | reg = <0x80004000 0x2000>; |
| 61 | interrupts = <82 83 84 85 |
| 62 | 88 88 88 88 |
| 63 | 88 88 88 88 |
| 64 | 87 86 0 0>; |
| 65 | #dma-cells = <1>; |
| 66 | dma-channels = <16>; |
| 67 | }; |
| 68 | |
| 69 | dma-controller@80024000 { |
| 70 | compatible = "fsl,imx28-dma-apbx"; |
| 71 | reg = <0x80024000 0x2000>; |
| 72 | interrupts = <78 79 66 0 |
| 73 | 80 81 68 69 |
| 74 | 70 71 72 73 |
| 75 | 74 75 76 77>; |
| 76 | #dma-cells = <1>; |
| 77 | dma-channels = <16>; |
| 78 | }; |
| 79 | |
| 80 | ... |