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