Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml
Extension
.yaml
Size
4975 bytes
Lines
169
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-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/loongson,ls-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Loongson GPIO controller.

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

properties:
  compatible:
    oneOf:
      - enum:
          - loongson,ls2k-gpio
          - loongson,ls2k0300-gpio
          - loongson,ls2k0500-gpio0
          - loongson,ls2k0500-gpio1
          - loongson,ls2k2000-gpio0
          - loongson,ls2k2000-gpio1
          - loongson,ls2k2000-gpio2
          - loongson,ls3a5000-gpio
          - loongson,ls3a6000-gpio  # Loongson-3A6000 node GPIO
          - loongson,ls7a-gpio
          - loongson,ls7a2000-gpio1 # LS7A2000 chipset GPIO
          - loongson,ls7a2000-gpio2 # LS7A2000 ACPI GPIO
      - items:
          - const: loongson,ls2k1000-gpio
          - const: loongson,ls2k-gpio
      - items:
          - const: loongson,ls7a1000-gpio
          - const: loongson,ls7a-gpio

  reg:
    maxItems: 1

  ngpios:
    minimum: 1
    maximum: 128

  "#gpio-cells":
    const: 2

  gpio-controller: true

  gpio-ranges: true

  interrupts:
    minItems: 1
    maxItems: 64

  "#interrupt-cells":
    const: 2

  interrupt-controller: true

  resets:
    maxItems: 1

required:
  - compatible
  - reg
  - ngpios
  - "#gpio-cells"
  - gpio-controller
  - gpio-ranges
  - interrupts

allOf:

Annotation

Implementation Notes