# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/rtc/nxp,pcf85063.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: NXP PCF85063 Real Time Clock
maintainers:
- Alexander Stein <alexander.stein@ew.tq-group.com>
properties:
compatible:
enum:
- microcrystal,rv8063
- microcrystal,rv8263
- nxp,pcf85063
- nxp,pcf85063a
- nxp,pcf85063tp
- nxp,pca85073a
reg:
maxItems: 1
"#clock-cells":
const: 0
clock-output-names:
maxItems: 1
interrupts:
maxItems: 1
quartz-load-femtofarads:
description:
The capacitive load of the quartz(x-tal).
enum: [7000, 12500]
default: 7000
clock:
$ref: /schemas/clock/fixed-clock.yaml
description:
Provide this if the square wave pin is used as boot-enabled
fixed clock.
wakeup-source: true
spi-cs-high: true
spi-3wire: true
allOf:
- $ref: /schemas/spi/spi-peripheral-props.yaml#
- $ref: rtc.yaml#
- if:
properties:
compatible:
contains:
enum:
- microcrystal,rv8063
- microcrystal,rv8263
then:
properties:
quartz-load-femtofarads: false
- if:
properties:
compatible:
contains:
enum:
- nxp,pcf85063
then:
properties:
quartz-load-femtofarads:
const: 7000
- if:
properties:
compatible:
not:
contains:
enum:
- microcrystal,rv8063
then:
properties:
spi-cs-high: false
spi-3wire: false
required:
- compatible
- reg
unevaluatedProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
rtc@51 {
compatible = "nxp,pcf85063a";
reg = <0x51>;
quartz-load-femtofarads = <12500>;
clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
};
};
};
- |
spi {
#address-cells = <1>;
#size-cells = <0>;
rtc@0 {
compatible = "microcrystal,rv8063";
reg = <0>;
spi-cs-high;
spi-3wire;
};
};
