xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/dma/renesas,usb-dmac.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/dma/renesas,usb-dmac.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Renesas USB DMA Controller
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
11*4882a593Smuzhiyun
12*4882a593SmuzhiyunallOf:
13*4882a593Smuzhiyun  - $ref: "dma-controller.yaml#"
14*4882a593Smuzhiyun
15*4882a593Smuzhiyunproperties:
16*4882a593Smuzhiyun  compatible:
17*4882a593Smuzhiyun    items:
18*4882a593Smuzhiyun      - enum:
19*4882a593Smuzhiyun          - renesas,r8a7742-usb-dmac  # RZ/G1H
20*4882a593Smuzhiyun          - renesas,r8a7743-usb-dmac  # RZ/G1M
21*4882a593Smuzhiyun          - renesas,r8a7744-usb-dmac  # RZ/G1N
22*4882a593Smuzhiyun          - renesas,r8a7745-usb-dmac  # RZ/G1E
23*4882a593Smuzhiyun          - renesas,r8a77470-usb-dmac # RZ/G1C
24*4882a593Smuzhiyun          - renesas,r8a774a1-usb-dmac # RZ/G2M
25*4882a593Smuzhiyun          - renesas,r8a774b1-usb-dmac # RZ/G2N
26*4882a593Smuzhiyun          - renesas,r8a774c0-usb-dmac # RZ/G2E
27*4882a593Smuzhiyun          - renesas,r8a774e1-usb-dmac # RZ/G2H
28*4882a593Smuzhiyun          - renesas,r8a7790-usb-dmac  # R-Car H2
29*4882a593Smuzhiyun          - renesas,r8a7791-usb-dmac  # R-Car M2-W
30*4882a593Smuzhiyun          - renesas,r8a7793-usb-dmac  # R-Car M2-N
31*4882a593Smuzhiyun          - renesas,r8a7794-usb-dmac  # R-Car E2
32*4882a593Smuzhiyun          - renesas,r8a7795-usb-dmac  # R-Car H3
33*4882a593Smuzhiyun          - renesas,r8a7796-usb-dmac  # R-Car M3-W
34*4882a593Smuzhiyun          - renesas,r8a77961-usb-dmac # R-Car M3-W+
35*4882a593Smuzhiyun          - renesas,r8a77965-usb-dmac # R-Car M3-N
36*4882a593Smuzhiyun          - renesas,r8a77990-usb-dmac # R-Car E3
37*4882a593Smuzhiyun          - renesas,r8a77995-usb-dmac # R-Car D3
38*4882a593Smuzhiyun      - const: renesas,usb-dmac
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  reg:
41*4882a593Smuzhiyun    maxItems: 1
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun  interrupts:
44*4882a593Smuzhiyun    minItems: 2
45*4882a593Smuzhiyun    maxItems: 2
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun  interrupt-names:
48*4882a593Smuzhiyun    items:
49*4882a593Smuzhiyun      - pattern: ch0
50*4882a593Smuzhiyun      - pattern: ch1
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun  clocks:
53*4882a593Smuzhiyun    maxItems: 1
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun  '#dma-cells':
56*4882a593Smuzhiyun    const: 1
57*4882a593Smuzhiyun    description:
58*4882a593Smuzhiyun      The cell specifies the channel number of the DMAC port connected to
59*4882a593Smuzhiyun      the DMA client.
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun  dma-channels:
62*4882a593Smuzhiyun    const: 2
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun  iommus:
65*4882a593Smuzhiyun    minItems: 2
66*4882a593Smuzhiyun    maxItems: 2
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun  power-domains:
69*4882a593Smuzhiyun    maxItems: 1
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun  resets:
72*4882a593Smuzhiyun    maxItems: 1
73*4882a593Smuzhiyun
74*4882a593Smuzhiyunrequired:
75*4882a593Smuzhiyun  - compatible
76*4882a593Smuzhiyun  - reg
77*4882a593Smuzhiyun  - interrupts
78*4882a593Smuzhiyun  - interrupt-names
79*4882a593Smuzhiyun  - clocks
80*4882a593Smuzhiyun  - '#dma-cells'
81*4882a593Smuzhiyun  - dma-channels
82*4882a593Smuzhiyun  - power-domains
83*4882a593Smuzhiyun  - resets
84*4882a593Smuzhiyun
85*4882a593SmuzhiyunadditionalProperties: false
86*4882a593Smuzhiyun
87*4882a593Smuzhiyunexamples:
88*4882a593Smuzhiyun  - |
89*4882a593Smuzhiyun    #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
90*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
91*4882a593Smuzhiyun    #include <dt-bindings/power/r8a7790-sysc.h>
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun    usb_dmac0: dma-controller@e65a0000 {
94*4882a593Smuzhiyun        compatible = "renesas,r8a7790-usb-dmac", "renesas,usb-dmac";
95*4882a593Smuzhiyun        reg = <0xe65a0000 0x100>;
96*4882a593Smuzhiyun        interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
97*4882a593Smuzhiyun                     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
98*4882a593Smuzhiyun        interrupt-names = "ch0", "ch1";
99*4882a593Smuzhiyun        clocks = <&cpg CPG_MOD 330>;
100*4882a593Smuzhiyun        power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
101*4882a593Smuzhiyun        resets = <&cpg 330>;
102*4882a593Smuzhiyun        #dma-cells = <1>;
103*4882a593Smuzhiyun        dma-channels = <2>;
104*4882a593Smuzhiyun    };
105