1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mmc/renesas,mmcif.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Renesas Multi Media Card Interface (MMCIF) Controller
8
9 maintainers:
10 - Wolfram Sang <wsa+renesas@sang-engineering.com>
11
12 allOf:
13 - $ref: mmc-controller.yaml
14
15 properties:
16 compatible:
17 items:
18 - enum:
19 - renesas,mmcif-r7s72100 # RZ/A1H
20 - renesas,mmcif-r8a73a4 # R-Mobile APE6
21 - renesas,mmcif-r8a7740 # R-Mobile A1
22 - renesas,mmcif-r8a7742 # RZ/G1H
23 - renesas,mmcif-r8a7743 # RZ/G1M
24 - renesas,mmcif-r8a7744 # RZ/G1N
25 - renesas,mmcif-r8a7745 # RZ/G1E
26 - renesas,mmcif-r8a7778 # R-Car M1A
27 - renesas,mmcif-r8a7790 # R-Car H2
28 - renesas,mmcif-r8a7791 # R-Car M2-W
29 - renesas,mmcif-r8a7793 # R-Car M2-N
30 - renesas,mmcif-r8a7794 # R-Car E2
31 - renesas,mmcif-sh73a0 # SH-Mobile AG5
32 - const: renesas,sh-mmcif
33
34 reg:
35 maxItems: 1
36
37 interrupts: true
38
39 clocks:
40 maxItems: 1
41
42 power-domains:
43 maxItems: 1
44
45 resets:
46 maxItems: 1
47
48 dmas:
49 minItems: 2
50 maxItems: 4
51 description:
52 Must contain a list of pairs of references to DMA specifiers, one for
53 transmission, and one for reception.
54
55 dma-names:
56 minItems: 2
57 maxItems: 4
58 items:
59 enum:
60 - tx
61 - rx
62
63 max-frequency: true
64
65 required:
66 - compatible
67 - reg
68 - interrupts
69 - clocks
70 - power-domains
71
72 if:
73 properties:
74 compatible:
75 contains:
76 const: renesas,mmcif-r7s72100
77 then:
78 properties:
79 interrupts:
80 items:
81 - description: Error interrupt
82 - description: Normal operation interrupt
83 - description: Card detection interrupt
84 else:
85 if:
86 properties:
87 compatible:
88 contains:
89 enum:
90 - renesas,mmcif-r8a7740
91 - renesas,mmcif-sh73a0
92 then:
93 properties:
94 interrupts:
95 items:
96 - description: Error interrupt
97 - description: Normal operation interrupt
98 else:
99 if:
100 properties:
101 compatible:
102 contains:
103 enum:
104 - renesas,mmcif-r8a73a4
105 - renesas,mmcif-r8a7778
106 then:
107 properties:
108 interrupts:
109 maxItems: 1
110 else:
111 properties:
112 interrupts:
113 maxItems: 1
114 required:
115 - resets
116
117 unevaluatedProperties: false
118
119 examples:
120 - |
121 #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
122 #include <dt-bindings/interrupt-controller/arm-gic.h>
123 #include <dt-bindings/power/r8a7790-sysc.h>
124
125 mmcif0: mmc@ee200000 {
126 compatible = "renesas,mmcif-r8a7790", "renesas,sh-mmcif";
127 reg = <0xee200000 0x80>;
128 interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
129 clocks = <&cpg CPG_MOD 315>;
130 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
131 resets = <&cpg 315>;
132 dmas = <&dmac0 0xd1>, <&dmac0 0xd2>, <&dmac1 0xd1>, <&dmac1 0xd2>;
133 dma-names = "tx", "rx", "tx", "rx";
134 max-frequency = <97500000>;
135 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.