xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/mmc/microchip,dw-sparx5-sdhci.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Microchip Sparx5 Mobile Storage Host Controller Binding
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunallOf:
10*4882a593Smuzhiyun  - $ref: "mmc-controller.yaml"
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunmaintainers:
13*4882a593Smuzhiyun  - Lars Povlsen <lars.povlsen@microchip.com>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun# Everything else is described in the common file
16*4882a593Smuzhiyunproperties:
17*4882a593Smuzhiyun  compatible:
18*4882a593Smuzhiyun    const: microchip,dw-sparx5-sdhci
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  reg:
21*4882a593Smuzhiyun    maxItems: 1
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun  interrupts:
24*4882a593Smuzhiyun    maxItems: 1
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun  clocks:
27*4882a593Smuzhiyun    maxItems: 1
28*4882a593Smuzhiyun    description:
29*4882a593Smuzhiyun      Handle to "core" clock for the sdhci controller.
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun  clock-names:
32*4882a593Smuzhiyun    items:
33*4882a593Smuzhiyun      - const: core
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun  microchip,clock-delay:
36*4882a593Smuzhiyun    description: Delay clock to card to meet setup time requirements.
37*4882a593Smuzhiyun      Each step increase by 1.25ns.
38*4882a593Smuzhiyun    $ref: "/schemas/types.yaml#/definitions/uint32"
39*4882a593Smuzhiyun    minimum: 1
40*4882a593Smuzhiyun    maximum: 15
41*4882a593Smuzhiyun
42*4882a593Smuzhiyunrequired:
43*4882a593Smuzhiyun  - compatible
44*4882a593Smuzhiyun  - reg
45*4882a593Smuzhiyun  - interrupts
46*4882a593Smuzhiyun  - clocks
47*4882a593Smuzhiyun  - clock-names
48*4882a593Smuzhiyun
49*4882a593SmuzhiyununevaluatedProperties: false
50*4882a593Smuzhiyun
51*4882a593Smuzhiyunexamples:
52*4882a593Smuzhiyun  - |
53*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
54*4882a593Smuzhiyun    #include <dt-bindings/clock/microchip,sparx5.h>
55*4882a593Smuzhiyun    sdhci0: mmc@600800000 {
56*4882a593Smuzhiyun        compatible = "microchip,dw-sparx5-sdhci";
57*4882a593Smuzhiyun        reg = <0x00800000 0x1000>;
58*4882a593Smuzhiyun        pinctrl-0 = <&emmc_pins>;
59*4882a593Smuzhiyun        pinctrl-names = "default";
60*4882a593Smuzhiyun        clocks = <&clks CLK_ID_AUX1>;
61*4882a593Smuzhiyun        clock-names = "core";
62*4882a593Smuzhiyun        assigned-clocks = <&clks CLK_ID_AUX1>;
63*4882a593Smuzhiyun        assigned-clock-rates = <800000000>;
64*4882a593Smuzhiyun        interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
65*4882a593Smuzhiyun        bus-width = <8>;
66*4882a593Smuzhiyun        microchip,clock-delay = <10>;
67*4882a593Smuzhiyun    };
68