xref: /freebsd-src/sys/contrib/device-tree/Bindings/soc/starfive/starfive,jh7110-syscon.yaml (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: StarFive JH7110 SoC system controller

maintainers:
  - William Qiu <william.qiu@starfivetech.com>

description:
  The StarFive JH7110 SoC system controller provides register information such
  as offset, mask and shift to configure related modules such as MMC and PCIe.

properties:
  compatible:
    oneOf:
      - items:
          - const: starfive,jh7110-sys-syscon
          - const: syscon
          - const: simple-mfd
      - items:
          - enum:
              - starfive,jh7110-aon-syscon
              - starfive,jh7110-stg-syscon
          - const: syscon

  reg:
    maxItems: 1

  clock-controller:
    $ref: /schemas/clock/starfive,jh7110-pll.yaml#
    type: object

  "#power-domain-cells":
    const: 1

required:
  - compatible
  - reg

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: starfive,jh7110-sys-syscon
    then:
      required:
        - clock-controller
    else:
      properties:
        clock-controller: false
  - if:
      properties:
        compatible:
          contains:
            const: starfive,jh7110-aon-syscon
    then:
      required:
        - "#power-domain-cells"
    else:
      properties:
        "#power-domain-cells": false

additionalProperties: false

examples:
  - |
    syscon@10240000 {
        compatible = "starfive,jh7110-stg-syscon", "syscon";
        reg = <0x10240000 0x1000>;
    };

    syscon@13030000 {
        compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd";
        reg = <0x13030000 0x1000>;

        clock-controller {
            compatible = "starfive,jh7110-pll";
            clocks = <&osc>;
            #clock-cells = <1>;
        };
    };

    syscon@17010000 {
        compatible = "starfive,jh7110-aon-syscon", "syscon";
        reg = <0x17010000 0x1000>;
        #power-domain-cells = <1>;
    };

...