xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/reset/renesas,rst.yaml

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

title: Renesas R-Car and RZ/G Reset Controller

maintainers:
  - Geert Uytterhoeven <geert+renesas@glider.be>
  - Magnus Damm <magnus.damm@gmail.com>

description: |
  The R-Car and RZ/G Reset Controllers provide reset control, and implement the
  following functions:
    - Latching of the levels on mode pins when PRESET# is negated,
    - Mode monitoring register,
    - Reset control of peripheral devices (on R-Car Gen1),
    - Watchdog timer (on R-Car Gen1),
    - Register-based reset control and boot address registers for the various
      CPU cores (on R-Car Gen2 and Gen3, and on RZ/G).

properties:
  compatible:
    enum:
      - renesas,r8a7742-rst       # RZ/G1H
      - renesas,r8a7743-rst       # RZ/G1M
      - renesas,r8a7744-rst       # RZ/G1N
      - renesas,r8a7745-rst       # RZ/G1E
      - renesas,r8a77470-rst      # RZ/G1C
      - renesas,r8a774a1-rst      # RZ/G2M
      - renesas,r8a774b1-rst      # RZ/G2N
      - renesas,r8a774c0-rst      # RZ/G2E
      - renesas,r8a774e1-rst      # RZ/G2H
      - renesas,r8a7778-reset-wdt # R-Car M1A
      - renesas,r8a7779-reset-wdt # R-Car H1
      - renesas,r8a7790-rst       # R-Car H2
      - renesas,r8a7791-rst       # R-Car M2-W
      - renesas,r8a7792-rst       # R-Car V2H
      - renesas,r8a7793-rst       # R-Car M2-N
      - renesas,r8a7794-rst       # R-Car E2
      - renesas,r8a7795-rst       # R-Car H3
      - renesas,r8a7796-rst       # R-Car M3-W
      - renesas,r8a77961-rst      # R-Car M3-W+
      - renesas,r8a77965-rst      # R-Car M3-N
      - renesas,r8a77970-rst      # R-Car V3M
      - renesas,r8a77980-rst      # R-Car V3H
      - renesas,r8a77990-rst      # R-Car E3
      - renesas,r8a77995-rst      # R-Car D3
      - renesas,r8a779a0-rst      # R-Car V3U

  reg:
    maxItems: 1

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    rst: reset-controller@e6160000 {
            compatible = "renesas,r8a7795-rst";
            reg = <0xe6160000 0x0200>;
    };