1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mmc/socionext,uniphier-sd.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: UniPhier SD/SDIO/eMMC controller
8
9 maintainers:
10 - Masahiro Yamada <yamada.masahiro@socionext.com>
11
12 properties:
13 compatible:
14 description: version 2.91, 3.1, 3.1.1, respectively
15 enum:
16 - socionext,uniphier-sd-v2.91
17 - socionext,uniphier-sd-v3.1
18 - socionext,uniphier-sd-v3.1.1
19
20 reg:
21 maxItems: 1
22
23 interrupts:
24 maxItems: 1
25
26 clocks:
27 maxItems: 1
28
29 dmas:
30 maxItems: 1
31
32 dma-names:
33 const: rx-tx
34
35 reset-names:
36 description: |
37 There are three reset signals at maximum
38 host: mandatory for all variants
39 bridge: exist only for version 2.91
40 hw: optional. exist if eMMC hw reset line is available
41 oneOf:
42 - const: host
43 - items:
44 - const: host
45 - const: bridge
46 - items:
47 - const: host
48 - const: hw
49 - items:
50 - const: host
51 - const: bridge
52 - const: hw
53
54 resets:
55 minItems: 1
56 maxItems: 3
57
58 allOf:
59 - $ref: mmc-controller.yaml
60
61 - if:
62 properties:
63 compatible:
64 contains:
65 const: socionext,uniphier-sd-v2.91
66 then:
67 properties:
68 reset-names:
69 contains:
70 const: bridge
71 else:
72 properties:
73 reset-names:
74 not:
75 contains:
76 const: bridge
77
78 required:
79 - compatible
80 - reg
81 - interrupts
82 - clocks
83 - reset-names
84 - resets
85
86 unevaluatedProperties: false
87
88 examples:
89 - |
90 sd: mmc@5a400000 {
91 compatible = "socionext,uniphier-sd-v2.91";
92 reg = <0x5a400000 0x200>;
93 interrupts = <0 76 4>;
94 pinctrl-names = "default", "uhs";
95 pinctrl-0 = <&pinctrl_sd>;
96 pinctrl-1 = <&pinctrl_sd_uhs>;
97 clocks = <&mio_clk 0>;
98 reset-names = "host", "bridge";
99 resets = <&mio_rst 0>, <&mio_rst 3>;
100 dma-names = "rx-tx";
101 dmas = <&dmac 4>;
102 bus-width = <4>;
103 cap-sd-highspeed;
104 sd-uhs-sdr12;
105 sd-uhs-sdr25;
106 sd-uhs-sdr50;
107 };
Cache object: 643f79ddb96cf964b7351fca23789a94
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