xref: /freebsd/sys/contrib/device-tree/Bindings/dma/renesas,rcar-dmac.yaml (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/dma/renesas,rcar-dmac.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car and RZ/G DMA Controller
8
9maintainers:
10  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
11
12allOf:
13  - $ref: dma-controller.yaml#
14
15properties:
16  compatible:
17    oneOf:
18      - items:
19          - enum:
20              - renesas,dmac-r8a7742  # RZ/G1H
21              - renesas,dmac-r8a7743  # RZ/G1M
22              - renesas,dmac-r8a7744  # RZ/G1N
23              - renesas,dmac-r8a7745  # RZ/G1E
24              - renesas,dmac-r8a77470 # RZ/G1C
25              - renesas,dmac-r8a774a1 # RZ/G2M
26              - renesas,dmac-r8a774b1 # RZ/G2N
27              - renesas,dmac-r8a774c0 # RZ/G2E
28              - renesas,dmac-r8a774e1 # RZ/G2H
29              - renesas,dmac-r8a7790  # R-Car H2
30              - renesas,dmac-r8a7791  # R-Car M2-W
31              - renesas,dmac-r8a7792  # R-Car V2H
32              - renesas,dmac-r8a7793  # R-Car M2-N
33              - renesas,dmac-r8a7794  # R-Car E2
34              - renesas,dmac-r8a7795  # R-Car H3
35              - renesas,dmac-r8a7796  # R-Car M3-W
36              - renesas,dmac-r8a77961 # R-Car M3-W+
37              - renesas,dmac-r8a77965 # R-Car M3-N
38              - renesas,dmac-r8a77970 # R-Car V3M
39              - renesas,dmac-r8a77980 # R-Car V3H
40              - renesas,dmac-r8a77990 # R-Car E3
41              - renesas,dmac-r8a77995 # R-Car D3
42          - const: renesas,rcar-dmac
43
44      - items:
45          - enum:
46              - renesas,dmac-r8a779a0     # R-Car V3U
47              - renesas,dmac-r8a779f0     # R-Car S4-8
48              - renesas,dmac-r8a779g0     # R-Car V4H
49          - const: renesas,rcar-gen4-dmac # R-Car Gen4
50
51  reg: true
52
53  interrupts:
54    minItems: 9
55    maxItems: 17
56
57  interrupt-names:
58    minItems: 9
59    items:
60      - const: error
61      - pattern: "^ch([0-9]|1[0-5])$"
62      - pattern: "^ch([0-9]|1[0-5])$"
63      - pattern: "^ch([0-9]|1[0-5])$"
64      - pattern: "^ch([0-9]|1[0-5])$"
65      - pattern: "^ch([0-9]|1[0-5])$"
66      - pattern: "^ch([0-9]|1[0-5])$"
67      - pattern: "^ch([0-9]|1[0-5])$"
68      - pattern: "^ch([0-9]|1[0-5])$"
69      - pattern: "^ch([0-9]|1[0-5])$"
70      - pattern: "^ch([0-9]|1[0-5])$"
71      - pattern: "^ch([0-9]|1[0-5])$"
72      - pattern: "^ch([0-9]|1[0-5])$"
73      - pattern: "^ch([0-9]|1[0-5])$"
74      - pattern: "^ch([0-9]|1[0-5])$"
75      - pattern: "^ch([0-9]|1[0-5])$"
76      - pattern: "^ch([0-9]|1[0-5])$"
77
78  clocks:
79    maxItems: 1
80
81  clock-names:
82    items:
83      - const: fck
84
85  '#dma-cells':
86    const: 1
87    description:
88      The cell specifies the MID/RID of the DMAC port connected to
89      the DMA client.
90
91  dma-channels:
92    minimum: 8
93    maximum: 16
94
95  dma-channel-mask: true
96
97  iommus:
98    minItems: 8
99    maxItems: 16
100
101  power-domains:
102    maxItems: 1
103
104  resets:
105    maxItems: 1
106
107required:
108  - compatible
109  - reg
110  - interrupts
111  - interrupt-names
112  - clocks
113  - clock-names
114  - '#dma-cells'
115  - dma-channels
116  - power-domains
117  - resets
118
119if:
120  properties:
121    compatible:
122      contains:
123        enum:
124          - renesas,rcar-gen4-dmac
125then:
126  properties:
127    reg:
128      items:
129        - description: Base register block
130        - description: Channel register block
131else:
132  properties:
133    reg:
134      maxItems: 1
135
136additionalProperties: false
137
138examples:
139  - |
140    #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
141    #include <dt-bindings/interrupt-controller/arm-gic.h>
142    #include <dt-bindings/power/r8a7790-sysc.h>
143
144    dmac0: dma-controller@e6700000 {
145        compatible = "renesas,dmac-r8a7790", "renesas,rcar-dmac";
146        reg = <0xe6700000 0x20000>;
147        interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>,
148                     <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>,
149                     <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>,
150                     <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>,
151                     <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>,
152                     <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
153                     <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>,
154                     <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>,
155                     <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
156                     <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>,
157                     <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>,
158                     <GIC_SPI 210 IRQ_TYPE_LEVEL_HIGH>,
159                     <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>,
160                     <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>,
161                     <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>,
162                     <GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH>;
163        interrupt-names = "error",
164                          "ch0", "ch1", "ch2", "ch3",
165                          "ch4", "ch5", "ch6", "ch7",
166                          "ch8", "ch9", "ch10", "ch11",
167                          "ch12", "ch13", "ch14";
168        clocks = <&cpg CPG_MOD 219>;
169        clock-names = "fck";
170        power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
171        resets = <&cpg 219>;
172        #dma-cells = <1>;
173        dma-channels = <15>;
174    };
175