xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mmc/sdhci-pxa.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/mmc/sdhci-pxa.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Marvell PXA SDHCI v2/v3 bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Ulf Hansson <ulf.hansson@linaro.org>
11*4882a593Smuzhiyun
12*4882a593SmuzhiyunallOf:
13*4882a593Smuzhiyun  - $ref: mmc-controller.yaml#
14*4882a593Smuzhiyun  - if:
15*4882a593Smuzhiyun      properties:
16*4882a593Smuzhiyun        compatible:
17*4882a593Smuzhiyun          contains:
18*4882a593Smuzhiyun            const: marvell,armada-380-sdhci
19*4882a593Smuzhiyun    then:
20*4882a593Smuzhiyun      properties:
21*4882a593Smuzhiyun        regs:
22*4882a593Smuzhiyun          minItems: 3
23*4882a593Smuzhiyun        reg-names:
24*4882a593Smuzhiyun          minItems: 3
25*4882a593Smuzhiyun      required:
26*4882a593Smuzhiyun        - reg-names
27*4882a593Smuzhiyun    else:
28*4882a593Smuzhiyun      properties:
29*4882a593Smuzhiyun        regs:
30*4882a593Smuzhiyun          maxItems: 1
31*4882a593Smuzhiyun        reg-names:
32*4882a593Smuzhiyun          maxItems: 1
33*4882a593Smuzhiyun
34*4882a593Smuzhiyunproperties:
35*4882a593Smuzhiyun  compatible:
36*4882a593Smuzhiyun    enum:
37*4882a593Smuzhiyun      - mrvl,pxav2-mmc
38*4882a593Smuzhiyun      - mrvl,pxav3-mmc
39*4882a593Smuzhiyun      - marvell,armada-380-sdhci
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun  reg:
42*4882a593Smuzhiyun    minItems: 1
43*4882a593Smuzhiyun    maxItems: 3
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun  reg-names:
46*4882a593Smuzhiyun    items:
47*4882a593Smuzhiyun      - const: sdhci
48*4882a593Smuzhiyun      - const: mbus
49*4882a593Smuzhiyun      - const: conf-sdio3
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun  interrupts:
52*4882a593Smuzhiyun    maxItems: 1
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun  clocks:
55*4882a593Smuzhiyun    minItems: 1
56*4882a593Smuzhiyun    maxItems: 2
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun  clock-names:
59*4882a593Smuzhiyun    minItems: 1
60*4882a593Smuzhiyun    maxItems: 2
61*4882a593Smuzhiyun    items:
62*4882a593Smuzhiyun      - const: io
63*4882a593Smuzhiyun      - const: core
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun  mrvl,clk-delay-cycles:
66*4882a593Smuzhiyun    description: Specify a number of cycles to delay for tuning.
67*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
68*4882a593Smuzhiyun
69*4882a593Smuzhiyunrequired:
70*4882a593Smuzhiyun  - compatible
71*4882a593Smuzhiyun  - reg
72*4882a593Smuzhiyun  - interrupts
73*4882a593Smuzhiyun  - clocks
74*4882a593Smuzhiyun  - clock-names
75*4882a593Smuzhiyun
76*4882a593SmuzhiyununevaluatedProperties: false
77*4882a593Smuzhiyun
78*4882a593Smuzhiyunexamples:
79*4882a593Smuzhiyun  - |
80*4882a593Smuzhiyun    #include <dt-bindings/clock/berlin2.h>
81*4882a593Smuzhiyun    mmc@d4280800 {
82*4882a593Smuzhiyun        compatible = "mrvl,pxav3-mmc";
83*4882a593Smuzhiyun        reg = <0xd4280800 0x800>;
84*4882a593Smuzhiyun        bus-width = <8>;
85*4882a593Smuzhiyun        interrupts = <27>;
86*4882a593Smuzhiyun        clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
87*4882a593Smuzhiyun        clock-names = "io", "core";
88*4882a593Smuzhiyun        non-removable;
89*4882a593Smuzhiyun        mrvl,clk-delay-cycles = <31>;
90*4882a593Smuzhiyun    };
91*4882a593Smuzhiyun  - |
92*4882a593Smuzhiyun    mmc@d8000 {
93*4882a593Smuzhiyun        compatible = "marvell,armada-380-sdhci";
94*4882a593Smuzhiyun        reg-names = "sdhci", "mbus", "conf-sdio3";
95*4882a593Smuzhiyun        reg = <0xd8000 0x1000>,
96*4882a593Smuzhiyun              <0xdc000 0x100>,
97*4882a593Smuzhiyun              <0x18454 0x4>;
98*4882a593Smuzhiyun        interrupts = <0 25 0x4>;
99*4882a593Smuzhiyun        clocks = <&gateclk 17>;
100*4882a593Smuzhiyun        clock-names = "io";
101*4882a593Smuzhiyun        mrvl,clk-delay-cycles = <0x1F>;
102*4882a593Smuzhiyun    };
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun...
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