xref: /freebsd/sys/contrib/device-tree/Bindings/mmc/sdhci-pxa.yaml (revision 25ecdc7d52770caf1c9b44b5ec11f468f6b636f3) 
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
7title: Marvell PXA SDHCI v2/v3 bindings
8
9maintainers:
10  - Ulf Hansson <ulf.hansson@linaro.org>
11
12allOf:
13  - $ref: mmc-controller.yaml#
14  - if:
15      properties:
16        compatible:
17          contains:
18            const: marvell,armada-380-sdhci
19    then:
20      properties:
21        regs:
22          minItems: 3
23        reg-names:
24          minItems: 3
25      required:
26        - reg-names
27    else:
28      properties:
29        regs:
30          maxItems: 1
31        reg-names:
32          maxItems: 1
33
34properties:
35  compatible:
36    enum:
37      - mrvl,pxav2-mmc
38      - mrvl,pxav3-mmc
39      - marvell,armada-380-sdhci
40
41  reg:
42    minItems: 1
43    maxItems: 3
44
45  reg-names:
46    items:
47      - const: sdhci
48      - const: mbus
49      - const: conf-sdio3
50
51  interrupts:
52    maxItems: 1
53
54  clocks:
55    minItems: 1
56    maxItems: 2
57
58  clock-names:
59    minItems: 1
60    maxItems: 2
61    items:
62      - const: io
63      - const: core
64
65  mrvl,clk-delay-cycles:
66    description: Specify a number of cycles to delay for tuning.
67    $ref: /schemas/types.yaml#/definitions/uint32
68
69required:
70  - compatible
71  - reg
72  - interrupts
73  - clocks
74  - clock-names
75
76unevaluatedProperties: false
77
78examples:
79  - |
80    #include <dt-bindings/clock/berlin2.h>
81    mmc@d4280800 {
82        compatible = "mrvl,pxav3-mmc";
83        reg = <0xd4280800 0x800>;
84        bus-width = <8>;
85        interrupts = <27>;
86        clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
87        clock-names = "io", "core";
88        non-removable;
89        mrvl,clk-delay-cycles = <31>;
90    };
91  - |
92    mmc@d8000 {
93        compatible = "marvell,armada-380-sdhci";
94        reg-names = "sdhci", "mbus", "conf-sdio3";
95        reg = <0xd8000 0x1000>,
96              <0xdc000 0x100>,
97              <0x18454 0x4>;
98        interrupts = <0 25 0x4>;
99        clocks = <&gateclk 17>;
100        clock-names = "io";
101        mrvl,clk-delay-cycles = <0x1F>;
102    };
103
104...
105