Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml
Extension
.yaml
Size
2100 bytes
Lines
84
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-pmc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Loongson-2 Power Manager controller

maintainers:
  - Yinbo Zhu <zhuyinbo@loongson.cn>

properties:
  compatible:
    oneOf:
      - items:
          - const: loongson,ls2k0500-pmc
          - const: syscon
      - items:
          - enum:
              - loongson,ls2k1000-pmc
              - loongson,ls2k2000-pmc
          - const: loongson,ls2k0500-pmc
          - const: syscon

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  loongson,suspend-address:
    $ref: /schemas/types.yaml#/definitions/uint64
    description:
      The "loongson,suspend-address" is a deep sleep state (Suspend To
      RAM) firmware entry address which was jumped from kernel and it's
      value was dependent on specific platform firmware code. In
      addition, the PM need according to it to indicate that current
      SoC whether support Suspend To RAM.

  syscon-poweroff:
    $ref: /schemas/power/reset/syscon-poweroff.yaml#
    type: object
    description:
      Node for power off method

  syscon-reboot:
    $ref: /schemas/power/reset/syscon-reboot.yaml#
    type: object
    description:
      Node for reboot method

required:
  - compatible
  - reg
  - interrupts

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>

    power-management@1fe27000 {
        compatible = "loongson,ls2k1000-pmc", "loongson,ls2k0500-pmc", "syscon";
        reg = <0x1fe27000 0x58>;
        interrupt-parent = <&liointc1>;
        interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
        loongson,suspend-address = <0x0 0x1c000500>;

        syscon-reboot {

Annotation

Implementation Notes