xref: /linux/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.yaml (revision cbac924200b838cfb8d8b1415113d788089dc50b) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mmc/synopsys-dw-mshc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Synopsys Designware Mobile Storage Host Controller Binding
8
9allOf:
10  - $ref: "synopsys-dw-mshc-common.yaml#"
11
12maintainers:
13  - Ulf Hansson <ulf.hansson@linaro.org>
14
15# Everything else is described in the common file
16properties:
17  compatible:
18    enum:
19      - altr,socfpga-dw-mshc
20      - img,pistachio-dw-mshc
21      - snps,dw-mshc
22
23  reg:
24    maxItems: 1
25
26  interrupts:
27    maxItems: 1
28
29  clocks:
30    minItems: 2
31    maxItems: 2
32    description:
33      Handle to "biu" and "ciu" clocks for the
34      bus interface unit clock and the card interface unit clock.
35
36  clock-names:
37    items:
38      - const: biu
39      - const: ciu
40
41required:
42  - compatible
43  - reg
44  - interrupts
45  - clocks
46  - clock-names
47
48unevaluatedProperties: false
49
50examples:
51  - |
52    mmc@12200000 {
53      compatible = "snps,dw-mshc";
54      reg = <0x12200000 0x1000>;
55      interrupts = <0 75 0>;
56      clocks = <&clock 351>, <&clock 132>;
57      clock-names = "biu", "ciu";
58      dmas = <&pdma 12>;
59      dma-names = "rx-tx";
60      resets = <&rst 20>;
61      reset-names = "reset";
62      vmmc-supply = <&buck8>;
63      #address-cells = <1>;
64      #size-cells = <0>;
65      broken-cd;
66      bus-width = <8>;
67      cap-mmc-highspeed;
68      cap-sd-highspeed;
69      card-detect-delay = <200>;
70      max-frequency = <200000000>;
71      clock-frequency = <400000000>;
72      data-addr = <0x200>;
73      fifo-depth = <0x80>;
74      fifo-watermark-aligned;
75    };
76