Documentation/devicetree/bindings/ufs/renesas,ufs.yaml


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/ufs/renesas,ufs.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas R-Car UFS Host Controller

maintainers:
  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

allOf:
  - $ref: ufs-common.yaml

properties:
  compatible:
    const: renesas,r8a779f0-ufs

  reg:
    maxItems: 1

  clocks:
    maxItems: 2

  clock-names:
    items:
      - const: fck
      - const: ref_clk

  power-domains:
    maxItems: 1

  resets:
    maxItems: 1

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - power-domains
  - resets

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/r8a779f0-cpg-mssr.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/power/r8a779f0-sysc.h>

    ufs: ufs@e686000 {
            compatible = "renesas,r8a779f0-ufs";
            reg = <0xe6860000 0x100>;
            interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_HIGH>;
            clocks = <&cpg CPG_MOD 1514>, <&ufs30_clk>;
            clock-names = "fck", "ref_clk";
            freq-table-hz = <200000000 200000000>, <38400000 38400000>;
            power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
            resets = <&cpg 1514>;
    };