linux-stable/Documentation/devicetree/bindings/rtc/arm,pl031.yaml
Rob Herring bb718cad0a dt-bindings: rtc: Add Arm PL031 schema
The PL031 RTC binding has been in use for a long time, but never got
documented. Fortunately, it's simple and existing users are consistent.

Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: linux-rtc@vger.kernel.org
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210607193718.3090202-1-robh@kernel.org/
2021-06-08 20:01:38 -05:00

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YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/rtc/arm,pl031.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Arm Primecell PL031 Real Time Clock
select:
properties:
compatible:
contains:
const: arm,pl031
required:
- compatible
allOf:
- $ref: rtc.yaml#
maintainers:
- Rob Herring <robh@kernel.org>
properties:
compatible:
items:
- const: arm,pl031
- const: arm,primecell
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
maxItems: 1
start-year: true
required:
- compatible
- reg
- clocks
- clock-names
additionalProperties: false
examples:
- |
rtc@10017000 {
compatible = "arm,pl031", "arm,primecell";
reg = <0x10017000 0x1000>;
clocks = <&pclk>;
clock-names = "apb_pclk";
};