xref: /linux/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml (revision 172cdcaefea5c297fdb3d20b7d5aff60ae4fbce6) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/mmc/renesas,sdhi.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: Renesas SDHI SD/MMC controller
8
9maintainers:
10  - Wolfram Sang <wsa+renesas@sang-engineering.com>
11
12allOf:
13  - $ref: "mmc-controller.yaml"
14
15properties:
16  compatible:
17    oneOf:
18      - items:
19          - const: renesas,sdhi-sh73a0  # R-Mobile APE6
20      - items:
21          - const: renesas,sdhi-r7s72100 # RZ/A1H
22      - items:
23          - const: renesas,sdhi-r7s9210 # SH-Mobile AG5
24      - items:
25          - const: renesas,sdhi-r8a73a4 # R-Mobile APE6
26      - items:
27          - const: renesas,sdhi-r8a7740 # R-Mobile A1
28      - items:
29          - enum:
30              - renesas,sdhi-r8a7778 # R-Car M1
31              - renesas,sdhi-r8a7779 # R-Car H1
32          - const: renesas,rcar-gen1-sdhi # R-Car Gen1
33      - items:
34          - enum:
35              - renesas,sdhi-r8a7742  # RZ/G1H
36              - renesas,sdhi-r8a7743  # RZ/G1M
37              - renesas,sdhi-r8a7744  # RZ/G1N
38              - renesas,sdhi-r8a7745  # RZ/G1E
39              - renesas,sdhi-r8a77470 # RZ/G1C
40              - renesas,sdhi-r8a7790  # R-Car H2
41              - renesas,sdhi-r8a7791  # R-Car M2-W
42              - renesas,sdhi-r8a7792  # R-Car V2H
43              - renesas,sdhi-r8a7793  # R-Car M2-N
44              - renesas,sdhi-r8a7794  # R-Car E2
45          - const: renesas,rcar-gen2-sdhi # R-Car Gen2 and RZ/G1
46      - items:
47          - const: renesas,sdhi-mmc-r8a77470 # RZ/G1C (SDHI/MMC IP)
48      - items:
49          - enum:
50              - renesas,sdhi-r8a774a1 # RZ/G2M
51              - renesas,sdhi-r8a774b1 # RZ/G2N
52              - renesas,sdhi-r8a774c0 # RZ/G2E
53              - renesas,sdhi-r8a774e1 # RZ/G2H
54              - renesas,sdhi-r8a7795  # R-Car H3
55              - renesas,sdhi-r8a7796  # R-Car M3-W
56              - renesas,sdhi-r8a77961 # R-Car M3-W+
57              - renesas,sdhi-r8a77965 # R-Car M3-N
58              - renesas,sdhi-r8a77970 # R-Car V3M
59              - renesas,sdhi-r8a77980 # R-Car V3H
60              - renesas,sdhi-r8a77990 # R-Car E3
61              - renesas,sdhi-r8a77995 # R-Car D3
62              - renesas,sdhi-r8a779a0 # R-Car V3U
63          - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2
64
65  reg:
66    maxItems: 1
67
68  interrupts:
69    minItems: 1
70    maxItems: 3
71
72  clocks:
73    minItems: 1
74    maxItems: 2
75
76  clock-names:
77    minItems: 1
78    maxItems: 2
79    items:
80      - const: core
81      - const: cd
82
83  dmas:
84    minItems: 4
85    maxItems: 4
86
87  dma-names:
88    minItems: 4
89    maxItems: 4
90    items:
91      enum:
92        - tx
93        - rx
94
95  power-domains:
96    maxItems: 1
97
98  resets:
99    maxItems: 1
100
101  pinctrl-0:
102    minItems: 1
103    maxItems: 2
104
105  pinctrl-1:
106    maxItems: 1
107
108  pinctrl-names:
109    minItems: 1
110    maxItems: 2
111    items:
112      - const: default
113      - const: state_uhs
114
115  max-frequency: true
116
117required:
118  - compatible
119  - reg
120  - interrupts
121  - clocks
122  - power-domains
123
124if:
125  properties:
126    compatible:
127      contains:
128        enum:
129          - renesas,sdhi-r7s72100
130          - renesas,sdhi-r7s9210
131then:
132  required:
133    - clock-names
134  description:
135    The internal card detection logic that exists in these controllers is
136    sectioned off to be run by a separate second clock source to allow
137    the main core clock to be turned off to save power.
138
139unevaluatedProperties: false
140
141examples:
142  - |
143    #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
144    #include <dt-bindings/interrupt-controller/arm-gic.h>
145    #include <dt-bindings/power/r8a7790-sysc.h>
146
147    sdhi0: mmc@ee100000 {
148            compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
149            reg = <0xee100000 0x328>;
150            interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
151            clocks = <&cpg CPG_MOD 314>;
152            dmas = <&dmac0 0xcd>, <&dmac0 0xce>, <&dmac1 0xcd>, <&dmac1 0xce>;
153            dma-names = "tx", "rx", "tx", "rx";
154            max-frequency = <195000000>;
155            power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
156            resets = <&cpg 314>;
157    };
158
159    sdhi1: mmc@ee120000 {
160             compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
161             reg = <0xee120000 0x328>;
162             interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
163             clocks = <&cpg CPG_MOD 313>;
164             dmas = <&dmac0 0xc9>, <&dmac0 0xca>, <&dmac1 0xc9>, <&dmac1 0xca>;
165             dma-names = "tx", "rx", "tx", "rx";
166             max-frequency = <195000000>;
167             power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
168             resets = <&cpg 313>;
169    };
170
171    sdhi2: mmc@ee140000 {
172             compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
173             reg = <0xee140000 0x100>;
174             interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
175             clocks = <&cpg CPG_MOD 312>;
176             dmas = <&dmac0 0xc1>, <&dmac0 0xc2>, <&dmac1 0xc1>, <&dmac1 0xc2>;
177             dma-names = "tx", "rx", "tx", "rx";
178             max-frequency = <97500000>;
179             power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
180             resets = <&cpg 312>;
181     };
182
183     sdhi3: mmc@ee160000 {
184              compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
185              reg = <0xee160000 0x100>;
186              interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
187              clocks = <&cpg CPG_MOD 311>;
188              dmas = <&dmac0 0xd3>, <&dmac0 0xd4>, <&dmac1 0xd3>, <&dmac1 0xd4>;
189              dma-names = "tx", "rx", "tx", "rx";
190              max-frequency = <97500000>;
191              power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
192              resets = <&cpg 311>;
193    };
194