renesas,usb-dmac.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/dma/renesas,usb-dmac.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Renesas USB DMA Controller
  8
  9maintainers:
 10  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
 11
 12allOf:
 13  - $ref: dma-controller.yaml#
 14
 15properties:
 16  compatible:
 17    items:
 18      - enum:
 19          - renesas,r8a7742-usb-dmac  # RZ/G1H
 20          - renesas,r8a7743-usb-dmac  # RZ/G1M
 21          - renesas,r8a7744-usb-dmac  # RZ/G1N
 22          - renesas,r8a7745-usb-dmac  # RZ/G1E
 23          - renesas,r8a77470-usb-dmac # RZ/G1C
 24          - renesas,r8a774a1-usb-dmac # RZ/G2M
 25          - renesas,r8a774b1-usb-dmac # RZ/G2N
 26          - renesas,r8a774c0-usb-dmac # RZ/G2E
 27          - renesas,r8a774e1-usb-dmac # RZ/G2H
 28          - renesas,r8a7790-usb-dmac  # R-Car H2
 29          - renesas,r8a7791-usb-dmac  # R-Car M2-W
 30          - renesas,r8a7793-usb-dmac  # R-Car M2-N
 31          - renesas,r8a7794-usb-dmac  # R-Car E2
 32          - renesas,r8a7795-usb-dmac  # R-Car H3
 33          - renesas,r8a7796-usb-dmac  # R-Car M3-W
 34          - renesas,r8a77961-usb-dmac # R-Car M3-W+
 35          - renesas,r8a77965-usb-dmac # R-Car M3-N
 36          - renesas,r8a77990-usb-dmac # R-Car E3
 37          - renesas,r8a77995-usb-dmac # R-Car D3
 38      - const: renesas,usb-dmac
 39
 40  reg:
 41    maxItems: 1
 42
 43  interrupts:
 44    minItems: 2
 45    maxItems: 2
 46
 47  interrupt-names:
 48    items:
 49      - pattern: ch0
 50      - pattern: ch1
 51
 52  clocks:
 53    maxItems: 1
 54
 55  '#dma-cells':
 56    const: 1
 57    description:
 58      The cell specifies the channel number of the DMAC port connected to
 59      the DMA client.
 60
 61  dma-channels:
 62    const: 2
 63
 64  iommus:
 65    minItems: 2
 66    maxItems: 2
 67
 68  power-domains:
 69    maxItems: 1
 70
 71  resets:
 72    maxItems: 1
 73
 74required:
 75  - compatible
 76  - reg
 77  - interrupts
 78  - interrupt-names
 79  - clocks
 80  - '#dma-cells'
 81  - dma-channels
 82  - power-domains
 83  - resets
 84
 85additionalProperties: false
 86
 87examples:
 88  - |
 89    #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
 90    #include <dt-bindings/interrupt-controller/arm-gic.h>
 91    #include <dt-bindings/power/r8a7790-sysc.h>
 92
 93    usb_dmac0: dma-controller@e65a0000 {
 94        compatible = "renesas,r8a7790-usb-dmac", "renesas,usb-dmac";
 95        reg = <0xe65a0000 0x100>;
 96        interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
 97                     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
 98        interrupt-names = "ch0", "ch1";
 99        clocks = <&cpg CPG_MOD 330>;
100        power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
101        resets = <&cpg 330>;
102        #dma-cells = <1>;
103        dma-channels = <2>;
104    };