Documentation/devicetree/bindings/gpio/trivial-gpio.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/gpio/trivial-gpio.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/gpio/trivial-gpio.yaml
Extension
.yaml
Size
2697 bytes
Lines
111
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/trivial-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Trivial 2-cell GPIO controllers

maintainers:
  - Bartosz Golaszewski <brgl@bgdev.pl>

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - cirrus,ep7312-gpio
          - const: cirrus,ep7209-gpio
      - enum:
          - apm,xgene-gpio
          - cirrus,ep7209-gpio
          - cznic,moxtet-gpio
          - dlg,slg7xl45106
          - fcs,fxl6408
          - fsl,ls1046aqds-fpga-gpio-stat-pres2
          - fsl,lx2160ardb-fpga-gpio-sfp
          - gateworks,pld-gpio
          - ibm,ppc4xx-gpio
          - loongson,ls1x-gpio
          - nintendo,hollywood-gpio
          - nxp,pca9570
          - nxp,pca9571
          - rockchip,rk3328-grf-gpio
          - snps,creg-gpio-hsdk
          - technologic,ts4800-gpio
          - technologic,ts4900-gpio
          - technologic,ts7970-gpio
          - ti,741g125 # for 741G125 (1-bit Input),
          - ti,741g174 # for 741G74 (1-bit Output),
          - ti,742g125 # for 742G125 (2-bit Input),
          - ti,7474    # for 7474 (2-bit Output),
          - ti,74125   # for 74125 (4-bit Input),
          - ti,74175   # for 74175 (4-bit Output),
          - ti,74365   # for 74365 (6-bit Input),
          - ti,74174   # for 74174 (6-bit Output),
          - ti,74244   # for 74244 (8-bit Input),
          - ti,74273   # for 74273 (8-bit Output),
          - ti,741624  # for 741624 (16-bit Input),
          - ti,7416374 # for 7416374 (16-bit Output).
          - ti,lp3943-gpio
          - ti,palmas-gpio
          - ti,tpic2810
          - ti,tps80036-gpio
          - ti,tps65913-gpio
          - ti,tps65914-gpio

  reg:
    maxItems: 1

  '#gpio-cells':
    const: 2

  gpio-controller: true

  gpio-line-names: true

  ngpios: true

  # Don't add more properties

Annotation

Implementation Notes