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# 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,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,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>;
};
|
