xref: /linux/Documentation/devicetree/bindings/ufs/renesas,ufs.yaml (revision 184e56e77c06a7eef68a021e9d4b11a11a8ab096) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/ufs/renesas,ufs.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car UFS Host Controller
8
9maintainers:
10  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
11
12allOf:
13  - $ref: ufs-common.yaml
14
15properties:
16  compatible:
17    const: renesas,r8a779f0-ufs
18
19  reg:
20    maxItems: 1
21
22  clocks:
23    maxItems: 2
24
25  clock-names:
26    items:
27      - const: fck
28      - const: ref_clk
29
30  power-domains:
31    maxItems: 1
32
33  resets:
34    maxItems: 1
35
36  nvmem-cells:
37    maxItems: 1
38
39  nvmem-cell-names:
40    items:
41      - const: calibration
42
43dependencies:
44  nvmem-cells: [ nvmem-cell-names ]
45
46required:
47  - compatible
48  - reg
49  - clocks
50  - clock-names
51  - power-domains
52  - resets
53
54unevaluatedProperties: false
55
56examples:
57  - |
58    #include <dt-bindings/clock/r8a779f0-cpg-mssr.h>
59    #include <dt-bindings/interrupt-controller/arm-gic.h>
60    #include <dt-bindings/power/r8a779f0-sysc.h>
61
62    ufs: ufs@e686000 {
63        compatible = "renesas,r8a779f0-ufs";
64        reg = <0xe6860000 0x100>;
65        interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_HIGH>;
66        clocks = <&cpg CPG_MOD 1514>, <&ufs30_clk>;
67        clock-names = "fck", "ref_clk";
68        freq-table-hz = <200000000 200000000>, <38400000 38400000>;
69        power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
70        resets = <&cpg 1514>;
71        nvmem-cells = <&ufs_tune>;
72        nvmem-cell-names = "calibration";
73    };
74