xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/reset/renesas,rst.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$id: "http://devicetree.org/schemas/reset/renesas,rst.yaml#"
5*4882a593Smuzhiyun$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Renesas R-Car and RZ/G Reset Controller
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Geert Uytterhoeven <geert+renesas@glider.be>
11*4882a593Smuzhiyun  - Magnus Damm <magnus.damm@gmail.com>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyundescription: |
14*4882a593Smuzhiyun  The R-Car and RZ/G Reset Controllers provide reset control, and implement the
15*4882a593Smuzhiyun  following functions:
16*4882a593Smuzhiyun    - Latching of the levels on mode pins when PRESET# is negated,
17*4882a593Smuzhiyun    - Mode monitoring register,
18*4882a593Smuzhiyun    - Reset control of peripheral devices (on R-Car Gen1),
19*4882a593Smuzhiyun    - Watchdog timer (on R-Car Gen1),
20*4882a593Smuzhiyun    - Register-based reset control and boot address registers for the various
21*4882a593Smuzhiyun      CPU cores (on R-Car Gen2 and Gen3, and on RZ/G).
22*4882a593Smuzhiyun
23*4882a593Smuzhiyunproperties:
24*4882a593Smuzhiyun  compatible:
25*4882a593Smuzhiyun    enum:
26*4882a593Smuzhiyun      - renesas,r8a7742-rst       # RZ/G1H
27*4882a593Smuzhiyun      - renesas,r8a7743-rst       # RZ/G1M
28*4882a593Smuzhiyun      - renesas,r8a7744-rst       # RZ/G1N
29*4882a593Smuzhiyun      - renesas,r8a7745-rst       # RZ/G1E
30*4882a593Smuzhiyun      - renesas,r8a77470-rst      # RZ/G1C
31*4882a593Smuzhiyun      - renesas,r8a774a1-rst      # RZ/G2M
32*4882a593Smuzhiyun      - renesas,r8a774b1-rst      # RZ/G2N
33*4882a593Smuzhiyun      - renesas,r8a774c0-rst      # RZ/G2E
34*4882a593Smuzhiyun      - renesas,r8a774e1-rst      # RZ/G2H
35*4882a593Smuzhiyun      - renesas,r8a7778-reset-wdt # R-Car M1A
36*4882a593Smuzhiyun      - renesas,r8a7779-reset-wdt # R-Car H1
37*4882a593Smuzhiyun      - renesas,r8a7790-rst       # R-Car H2
38*4882a593Smuzhiyun      - renesas,r8a7791-rst       # R-Car M2-W
39*4882a593Smuzhiyun      - renesas,r8a7792-rst       # R-Car V2H
40*4882a593Smuzhiyun      - renesas,r8a7793-rst       # R-Car M2-N
41*4882a593Smuzhiyun      - renesas,r8a7794-rst       # R-Car E2
42*4882a593Smuzhiyun      - renesas,r8a7795-rst       # R-Car H3
43*4882a593Smuzhiyun      - renesas,r8a7796-rst       # R-Car M3-W
44*4882a593Smuzhiyun      - renesas,r8a77961-rst      # R-Car M3-W+
45*4882a593Smuzhiyun      - renesas,r8a77965-rst      # R-Car M3-N
46*4882a593Smuzhiyun      - renesas,r8a77970-rst      # R-Car V3M
47*4882a593Smuzhiyun      - renesas,r8a77980-rst      # R-Car V3H
48*4882a593Smuzhiyun      - renesas,r8a77990-rst      # R-Car E3
49*4882a593Smuzhiyun      - renesas,r8a77995-rst      # R-Car D3
50*4882a593Smuzhiyun      - renesas,r8a779a0-rst      # R-Car V3U
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun  reg:
53*4882a593Smuzhiyun    maxItems: 1
54*4882a593Smuzhiyun
55*4882a593Smuzhiyunrequired:
56*4882a593Smuzhiyun  - compatible
57*4882a593Smuzhiyun  - reg
58*4882a593Smuzhiyun
59*4882a593SmuzhiyunadditionalProperties: false
60*4882a593Smuzhiyun
61*4882a593Smuzhiyunexamples:
62*4882a593Smuzhiyun  - |
63*4882a593Smuzhiyun    rst: reset-controller@e6160000 {
64*4882a593Smuzhiyun            compatible = "renesas,r8a7795-rst";
65*4882a593Smuzhiyun            reg = <0xe6160000 0x0200>;
66*4882a593Smuzhiyun    };
67