fsl,mxs-dma.yaml

  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
  7title: Freescale Direct Memory Access (DMA) Controller from i.MX23/i.MX28
  8
  9maintainers:
 10  - Marek Vasut <marex@denx.de>
 11
 12allOf:
 13  - $ref: dma-controller.yaml#
 14  - if:
 15      properties:
 16        compatible:
 17          contains:
 18            const: fsl,imx8qxp-dma-apbh
 19    then:
 20      required:
 21        - power-domains
 22    else:
 23      properties:
 24        power-domains: false
 25
 26  - if:
 27      properties:
 28        compatible:
 29          contains:
 30            const: fsl,imx23-dma-apbx
 31    then:
 32      properties:
 33        interrupt-names:
 34          items:
 35            - const: audio-adc
 36            - const: audio-dac
 37            - const: spdif-tx
 38            - const: i2c
 39            - const: saif0
 40            - const: empty0
 41            - const: auart0-rx
 42            - const: auart0-tx
 43            - const: auart1-rx
 44            - const: auart1-tx
 45            - const: saif1
 46            - const: empty1
 47            - const: empty2
 48            - const: empty3
 49            - const: empty4
 50            - const: empty5
 51    else:
 52      properties:
 53        interrupt-names: false
 54
 55properties:
 56  compatible:
 57    oneOf:
 58      - items:
 59          - enum:
 60              - fsl,imx6q-dma-apbh
 61              - fsl,imx6sx-dma-apbh
 62              - fsl,imx7d-dma-apbh
 63              - fsl,imx8dxl-dma-apbh
 64              - fsl,imx8mm-dma-apbh
 65              - fsl,imx8mn-dma-apbh
 66              - fsl,imx8mp-dma-apbh
 67              - fsl,imx8mq-dma-apbh
 68              - fsl,imx8qm-dma-apbh
 69              - fsl,imx8qxp-dma-apbh
 70          - const: fsl,imx28-dma-apbh
 71      - enum:
 72          - fsl,imx23-dma-apbh
 73          - fsl,imx23-dma-apbx
 74          - fsl,imx28-dma-apbh
 75          - fsl,imx28-dma-apbx
 76  reg:
 77    maxItems: 1
 78
 79  clocks:
 80    maxItems: 1
 81
 82  interrupts:
 83    minItems: 4
 84    maxItems: 16
 85
 86  interrupt-names:
 87    minItems: 4
 88    maxItems: 16
 89
 90  "#dma-cells":
 91    const: 1
 92
 93  dma-channels:
 94    enum: [4, 8, 16]
 95
 96  power-domains:
 97    maxItems: 1
 98
 99required:
100  - compatible
101  - reg
102  - "#dma-cells"
103  - dma-channels
104  - interrupts
105
106additionalProperties: false
107
108examples:
109  - |
110    interrupt-parent = <&irqc>;
111
112    dma-controller@80004000 {
113      compatible = "fsl,imx28-dma-apbh";
114      reg = <0x80004000 0x2000>;
115      interrupts = <82 83 84 85
116                    88 88 88 88
117                    88 88 88 88
118                    87 86 0 0>;
119      #dma-cells = <1>;
120      dma-channels = <16>;
121    };
122
123    dma-controller@80024000 {
124      compatible = "fsl,imx28-dma-apbx";
125      reg = <0x80024000 0x2000>;
126      interrupts = <78 79 66 0
127                    80 81 68 69
128                    70 71 72 73
129                    74 75 76 77>;
130      #dma-cells = <1>;
131      dma-channels = <16>;
132    };
133
134...