| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/dma/renesas,usb-dmac.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Renesas USB DMA Controller |
| |
| maintainers: |
| - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
| |
| allOf: |
| - $ref: dma-controller.yaml# |
| |
| properties: |
| compatible: |
| items: |
| - enum: |
| - renesas,r8a7742-usb-dmac # RZ/G1H |
| - renesas,r8a7743-usb-dmac # RZ/G1M |
| - renesas,r8a7744-usb-dmac # RZ/G1N |
| - renesas,r8a7745-usb-dmac # RZ/G1E |
| - renesas,r8a77470-usb-dmac # RZ/G1C |
| - renesas,r8a774a1-usb-dmac # RZ/G2M |
| - renesas,r8a774b1-usb-dmac # RZ/G2N |
| - renesas,r8a774c0-usb-dmac # RZ/G2E |
| - renesas,r8a774e1-usb-dmac # RZ/G2H |
| - renesas,r8a7790-usb-dmac # R-Car H2 |
| - renesas,r8a7791-usb-dmac # R-Car M2-W |
| - renesas,r8a7793-usb-dmac # R-Car M2-N |
| - renesas,r8a7794-usb-dmac # R-Car E2 |
| - renesas,r8a7795-usb-dmac # R-Car H3 |
| - renesas,r8a7796-usb-dmac # R-Car M3-W |
| - renesas,r8a77961-usb-dmac # R-Car M3-W+ |
| - renesas,r8a77965-usb-dmac # R-Car M3-N |
| - renesas,r8a77990-usb-dmac # R-Car E3 |
| - renesas,r8a77995-usb-dmac # R-Car D3 |
| - const: renesas,usb-dmac |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| minItems: 2 |
| maxItems: 2 |
| |
| interrupt-names: |
| items: |
| - pattern: ch0 |
| - pattern: ch1 |
| |
| clocks: |
| maxItems: 1 |
| |
| '#dma-cells': |
| const: 1 |
| description: |
| The cell specifies the channel number of the DMAC port connected to |
| the DMA client. |
| |
| dma-channels: |
| const: 2 |
| |
| iommus: |
| minItems: 2 |
| maxItems: 2 |
| |
| power-domains: |
| maxItems: 1 |
| |
| resets: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - interrupt-names |
| - clocks |
| - '#dma-cells' |
| - dma-channels |
| - power-domains |
| - resets |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/r8a7790-cpg-mssr.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| #include <dt-bindings/power/r8a7790-sysc.h> |
| |
| usb_dmac0: dma-controller@e65a0000 { |
| compatible = "renesas,r8a7790-usb-dmac", "renesas,usb-dmac"; |
| reg = <0xe65a0000 0x100>; |
| interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>, |
| <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>; |
| interrupt-names = "ch0", "ch1"; |
| clocks = <&cpg CPG_MOD 330>; |
| power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; |
| resets = <&cpg 330>; |
| #dma-cells = <1>; |
| dma-channels = <2>; |
| }; |
