| 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/renesas,usb-dmac.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas USB DMA Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: dma-controller.yaml# |
| 14 | |
| 15 | properties: |
| 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 | |
| 74 | required: |
| 75 | - compatible |
| 76 | - reg |
| 77 | - interrupts |
| 78 | - interrupt-names |
| 79 | - clocks |
| 80 | - '#dma-cells' |
| 81 | - dma-channels |
| 82 | - power-domains |
| 83 | - resets |
| 84 | |
| 85 | additionalProperties: false |
| 86 | |
| 87 | examples: |
| 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 | }; |