Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml
Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml
File Facts
- System
- Linux kernel
- Corpus path
Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml- Extension
.yaml- Size
- 1246 bytes
- Lines
- 60
- 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.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
Dependency Surface
- No C-style include directives detected by the generator.
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/pin-control-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Pin control based generic GPIO controller
description:
The pin control-based GPIO will facilitate a pin controller's ability
to drive electric lines high/low and other generic properties of a
pin controller to perform general-purpose one-bit binary I/O.
maintainers:
- Dan Carpenter <dan.carpenter@linaro.org>
properties:
compatible:
const: scmi-pinctrl-gpio
gpio-controller: true
"#gpio-cells":
const: 2
gpio-line-names: true
gpio-ranges: true
ngpios: true
patternProperties:
"^.+-hog(-[0-9]+)?$":
type: object
required:
- gpio-hog
required:
- compatible
- gpio-controller
- "#gpio-cells"
- gpio-ranges
- ngpios
additionalProperties: false
examples:
- |
gpio {
compatible = "scmi-pinctrl-gpio";
gpio-controller;
#gpio-cells = <2>;
ngpios = <4>;
gpio-line-names = "gpio_5_17", "gpio_5_20", "gpio_5_22", "gpio_2_1";
gpio-ranges = <&scmi_pinctrl 0 30 4>;
pinctrl-names = "default";
pinctrl-0 = <&keys_pins>;
};
Annotation
- Atlas domain: Support Tooling And Documentation / Documentation.
- Implementation status: atlas-only.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.