Documentation/devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/rtc/atmel,at91sam9260-rtt.yaml
Extension
.yaml
Size
1822 bytes
Lines
73
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)
# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
%YAML 1.2
---
$id: http://devicetree.org/schemas/rtc/atmel,at91sam9260-rtt.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Atmel AT91 RTT

allOf:
  - $ref: rtc.yaml#

maintainers:
  - Alexandre Belloni <alexandre.belloni@bootlin.com>

properties:
  compatible:
    oneOf:
      - items:
          - const: atmel,at91sam9260-rtt
      - items:
          - enum:
              - microchip,sam9x60-rtt
              - microchip,sam9x7-rtt
              - microchip,sama7d65-rtt
          - const: atmel,at91sam9260-rtt
      - items:
          - const: microchip,sama7g5-rtt
          - const: microchip,sam9x60-rtt
          - const: atmel,at91sam9260-rtt

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  atmel,rtt-rtc-time-reg:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: Phandle to the GPBR node.
          - description: Offset within the GPBR block.
    description:
      Should encode the GPBR register used to store the time base when the
      RTT is used as an RTC. The first cell should point to the GPBR node
      and the second one encodes the offset within the GPBR block (or in
      other words, the GPBR register used to store the time base).

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - atmel,rtt-rtc-time-reg

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>

    rtc@fffffd20 {
        compatible = "atmel,at91sam9260-rtt";
        reg = <0xfffffd20 0x10>;
        interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
        clocks = <&clk32k>;

Annotation

Implementation Notes