xref: /linux/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdhc.yaml (revision 1aca5ce036e3499336d1a2ace3070f908381c055) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdhc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Amlogic Meson SDHC controller
8
9allOf:
10  - $ref: "mmc-controller.yaml"
11
12maintainers:
13  - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
14
15description: |
16  The SDHC MMC host controller on Amlogic SoCs provides an eMMC and MMC
17  card interface with 1/4/8-bit bus width.
18  It supports eMMC spec 4.4x/4.5x including HS200 (up to 100MHz clock).
19
20properties:
21  compatible:
22    items:
23      - enum:
24          - amlogic,meson8-sdhc
25          - amlogic,meson8b-sdhc
26          - amlogic,meson8m2-sdhc
27      - const: amlogic,meson-mx-sdhc
28
29  reg:
30    minItems: 1
31
32  interrupts:
33    minItems: 1
34
35  clocks:
36    minItems: 5
37
38  clock-names:
39    items:
40      - const: clkin0
41      - const: clkin1
42      - const: clkin2
43      - const: clkin3
44      - const: pclk
45
46required:
47  - compatible
48  - reg
49  - interrupts
50  - clocks
51  - clock-names
52
53unevaluatedProperties: false
54
55examples:
56  - |
57    #include <dt-bindings/interrupt-controller/irq.h>
58    #include <dt-bindings/interrupt-controller/arm-gic.h>
59
60    sdhc: mmc@8e00 {
61      compatible = "amlogic,meson8-sdhc", "amlogic,meson-mx-sdhc";
62      reg = <0x8e00 0x42>;
63      interrupts = <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>;
64      clocks = <&xtal>,
65               <&fclk_div4>,
66               <&fclk_div3>,
67               <&fclk_div5>,
68               <&sdhc_pclk>;
69      clock-names = "clkin0", "clkin1", "clkin2", "clkin3", "pclk";
70    };
71