1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mmc/snps,dwcmshc-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Synopsys Designware Mobile Storage Host Controller
8
9 maintainers:
10 - Ulf Hansson <ulf.hansson@linaro.org>
11 - Jisheng Zhang <Jisheng.Zhang@synaptics.com>
12
13 properties:
14 compatible:
15 oneOf:
16 - items:
17 - const: rockchip,rk3576-dwcmshc
18 - const: rockchip,rk3588-dwcmshc
19 - enum:
20 - rockchip,rk3568-dwcmshc
21 - rockchip,rk3588-dwcmshc
22 - snps,dwcmshc-sdhci
23 - sophgo,cv1800b-dwcmshc
24 - sophgo,sg2002-dwcmshc
25 - sophgo,sg2042-dwcmshc
26 - thead,th1520-dwcmshc
27
28 reg:
29 maxItems: 1
30
31 interrupts:
32 maxItems: 1
33
34 clocks:
35 minItems: 1
36 maxItems: 5
37
38 clock-names:
39 minItems: 1
40 maxItems: 5
41
42 power-domains:
43 maxItems: 1
44
45 resets:
46 maxItems: 5
47
48 reset-names:
49 items:
50 - const: core
51 - const: bus
52 - const: axi
53 - const: block
54 - const: timer
55
56 rockchip,txclk-tapnum:
57 description: Specify the number of delay for tx sampling.
58 $ref: /schemas/types.yaml#/definitions/uint8
59
60 required:
61 - compatible
62 - reg
63 - interrupts
64 - clocks
65 - clock-names
66
67 allOf:
68 - $ref: mmc-controller.yaml#
69
70 - if:
71 properties:
72 compatible:
73 contains:
74 const: sophgo,sg2042-dwcmshc
75
76 then:
77 properties:
78 clocks:
79 items:
80 - description: core clock
81 - description: bus clock
82 - description: timer clock
83 clock-names:
84 items:
85 - const: core
86 - const: bus
87 - const: timer
88 else:
89 properties:
90 clocks:
91 minItems: 1
92 items:
93 - description: core clock
94 - description: bus clock for optional
95 - description: axi clock for rockchip specified
96 - description: block clock for rockchip specified
97 - description: timer clock for rockchip specified
98 clock-names:
99 minItems: 1
100 items:
101 - const: core
102 - const: bus
103 - const: axi
104 - const: block
105 - const: timer
106
107 - if:
108 properties:
109 compatible:
110 contains:
111 const: rockchip,rk3576-dwcmshc
112
113 then:
114 required:
115 - power-domains
116
117 else:
118 properties:
119 power-domains: false
120
121 unevaluatedProperties: false
122
123 examples:
124 - |
125 mmc@fe310000 {
126 compatible = "rockchip,rk3568-dwcmshc";
127 reg = <0xfe310000 0x10000>;
128 interrupts = <0 25 0x4>;
129 clocks = <&cru 17>, <&cru 18>, <&cru 19>, <&cru 20>, <&cru 21>;
130 clock-names = "core", "bus", "axi", "block", "timer";
131 bus-width = <8>;
132 #address-cells = <1>;
133 #size-cells = <0>;
134 };
135 - |
136 mmc@aa0000 {
137 compatible = "snps,dwcmshc-sdhci";
138 reg = <0xaa000 0x1000>;
139 interrupts = <0 25 0x4>;
140 clocks = <&cru 17>, <&cru 18>;
141 clock-names = "core", "bus";
142 bus-width = <8>;
143 #address-cells = <1>;
144 #size-cells = <0>;
145 };
146
147 ...
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