summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/mmc/renesas,mmcif.yaml
blob: 024313b79ec93a53a58967338a3c70b67d107ca9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/renesas,mmcif.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas Multi Media Card Interface (MMCIF) Controller

maintainers:
  - Wolfram Sang <wsa+renesas@sang-engineering.com>

allOf:
  - $ref: mmc-controller.yaml

properties:
  compatible:
    items:
      - enum:
          - renesas,mmcif-r7s72100 # RZ/A1H
          - renesas,mmcif-r8a73a4  # R-Mobile APE6
          - renesas,mmcif-r8a7740  # R-Mobile A1
          - renesas,mmcif-r8a7742  # RZ/G1H
          - renesas,mmcif-r8a7743  # RZ/G1M
          - renesas,mmcif-r8a7744  # RZ/G1N
          - renesas,mmcif-r8a7745  # RZ/G1E
          - renesas,mmcif-r8a7778  # R-Car M1A
          - renesas,mmcif-r8a7790  # R-Car H2
          - renesas,mmcif-r8a7791  # R-Car M2-W
          - renesas,mmcif-r8a7793  # R-Car M2-N
          - renesas,mmcif-r8a7794  # R-Car E2
          - renesas,mmcif-sh73a0   # SH-Mobile AG5
      - const: renesas,sh-mmcif

  reg:
    maxItems: 1

  interrupts: true

  clocks:
    maxItems: 1

  power-domains:
    maxItems: 1

  resets:
    maxItems: 1

  dmas:
    minItems: 2
    maxItems: 4
    description:
      Must contain a list of pairs of references to DMA specifiers, one for
      transmission, and one for reception.

  dma-names:
    minItems: 2
    maxItems: 4
    items:
      enum:
        - tx
        - rx

  max-frequency: true

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - power-domains

if:
  properties:
    compatible:
      contains:
        const: renesas,mmcif-r7s72100
then:
  properties:
    interrupts:
      items:
        - description: Error interrupt
        - description: Normal operation interrupt
        - description: Card detection interrupt
else:
  if:
    properties:
      compatible:
        contains:
          enum:
            - renesas,mmcif-r8a7740
            - renesas,mmcif-sh73a0
  then:
    properties:
      interrupts:
        items:
          - description: Error interrupt
          - description: Normal operation interrupt
  else:
    if:
      properties:
        compatible:
          contains:
            enum:
              - renesas,mmcif-r8a73a4
              - renesas,mmcif-r8a7778
    then:
      properties:
        interrupts:
          maxItems: 1
    else:
      properties:
        interrupts:
          maxItems: 1
      required:
        - resets

unevaluatedProperties: 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>

    mmcif0: mmc@ee200000 {
            compatible = "renesas,mmcif-r8a7790", "renesas,sh-mmcif";
            reg = <0xee200000 0x80>;
            interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
            clocks = <&cpg CPG_MOD 315>;
            power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
            resets = <&cpg 315>;
            dmas = <&dmac0 0xd1>, <&dmac0 0xd2>, <&dmac1 0xd1>, <&dmac1 0xd2>;
            dma-names = "tx", "rx", "tx", "rx";
            max-frequency = <97500000>;
    };