1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mmc/sdhci-pxa.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Marvell PXA SDHCI v1/v2/v3
8
9 maintainers:
10 - Ulf Hansson <ulf.hansson@linaro.org>
11
12 allOf:
13 - $ref: mmc-controller.yaml#
14 - if:
15 properties:
16 compatible:
17 contains:
18 const: marvell,armada-380-sdhci
19 then:
20 properties:
21 reg:
22 minItems: 3
23 reg-names:
24 minItems: 3
25 required:
26 - reg-names
27 else:
28 properties:
29 reg:
30 maxItems: 1
31 reg-names:
32 maxItems: 1
33
34 properties:
35 compatible:
36 enum:
37 - mrvl,pxav1-mmc
38 - mrvl,pxav2-mmc
39 - mrvl,pxav3-mmc
40 - marvell,armada-380-sdhci
41
42 reg:
43 minItems: 1
44 maxItems: 3
45
46 reg-names:
47 items:
48 - const: sdhci
49 - const: mbus
50 - const: conf-sdio3
51
52 interrupts:
53 maxItems: 1
54
55 clocks:
56 minItems: 1
57 maxItems: 2
58
59 clock-names:
60 minItems: 1
61 items:
62 - const: io
63 - const: core
64
65 pinctrl-names:
66 description:
67 Optional for supporting PXA168 SDIO IRQ errata to switch CMD pin between
68 SDIO CMD and GPIO mode.
69 items:
70 - const: default
71 - const: state_cmd_gpio
72
73 pinctrl-0:
74 description:
75 Should contain default pinctrl.
76
77 pinctrl-1:
78 description:
79 Should switch CMD pin to GPIO mode as a high output.
80
81 mrvl,clk-delay-cycles:
82 description: Specify a number of cycles to delay for tuning.
83 $ref: /schemas/types.yaml#/definitions/uint32
84
85 required:
86 - compatible
87 - reg
88 - interrupts
89 - clocks
90 - clock-names
91
92 unevaluatedProperties: false
93
94 examples:
95 - |
96 #include <dt-bindings/clock/berlin2.h>
97 mmc@d4280800 {
98 compatible = "mrvl,pxav3-mmc";
99 reg = <0xd4280800 0x800>;
100 bus-width = <8>;
101 interrupts = <27>;
102 clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
103 clock-names = "io", "core";
104 non-removable;
105 mrvl,clk-delay-cycles = <31>;
106 };
107 - |
108 mmc@d8000 {
109 compatible = "marvell,armada-380-sdhci";
110 reg-names = "sdhci", "mbus", "conf-sdio3";
111 reg = <0xd8000 0x1000>,
112 <0xdc000 0x100>,
113 <0x18454 0x4>;
114 interrupts = <0 25 0x4>;
115 clocks = <&gateclk 17>;
116 clock-names = "io";
117 mrvl,clk-delay-cycles = <0x1F>;
118 };
119
120 ...
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