Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
Extension
.yaml
Size
1689 bytes
Lines
85
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/xlnx,zynqmp-rtc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Xilinx Zynq Ultrascale+ MPSoC Real Time Clock

description:
  RTC controller for the Xilinx Zynq MPSoC Real Time Clock.
  The RTC controller has separate IRQ lines for seconds and alarm.

maintainers:
  - Michal Simek <michal.simek@amd.com>

allOf:
  - $ref: rtc.yaml#

properties:
  compatible:
    oneOf:
      - const: xlnx,zynqmp-rtc
      - items:
          - enum:
              - xlnx,versal-rtc
              - xlnx,versal-net-rtc
          - const: xlnx,zynqmp-rtc

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: rtc

  interrupts:
    maxItems: 2

  interrupt-names:
    items:
      - const: alarm
      - const: sec

  calibration:
    description: |
      calibration value for 1 sec period which will
      be programmed directly to calibration register.
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 0x1
    maximum: 0x1FFFFF
    default: 0x198233
    deprecated: true

  power-domains:
    maxItems: 1

required:
  - compatible
  - reg
  - interrupts
  - interrupt-names

additionalProperties: false

examples:
  - |
    soc {

Annotation

Implementation Notes