Documentation/devicetree/bindings/rtc/nxp,pcf2123.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/rtc/nxp,pcf2123.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/rtc/nxp,pcf2123.yaml
Extension
.yaml
Size
873 bytes
Lines
48
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/rtc/nxp,pcf2123.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP PCF2123 SPI Real Time Clock

maintainers:
  - Javier Carrasco <javier.carrasco.cruz@gmail.com>

allOf:
  - $ref: /schemas/spi/spi-peripheral-props.yaml#
  - $ref: rtc.yaml#

properties:
  compatible:
    enum:
      - nxp,pcf2123

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

required:
  - compatible
  - reg

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    spi {
        #address-cells = <1>;
        #size-cells = <0>;

        rtc@3 {
            compatible = "nxp,pcf2123";
            reg = <3>;
            interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_LOW>;
            spi-cs-high;
        };
    };
...

Annotation

Implementation Notes