103 lines
2.2 KiB
YAML
103 lines
2.2 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/rtc/rtc-ds1307.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Dallas DS1307 and compatible RTC
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maintainers:
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- Alexandre Belloni <alexandre.belloni@bootlin.com>
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properties:
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compatible:
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oneOf:
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- enum:
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- dallas,ds1307
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- dallas,ds1308
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- dallas,ds1337
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- dallas,ds1338
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- dallas,ds1339
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- dallas,ds1388
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- dallas,ds1340
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- dallas,ds1341
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- maxim,ds3231
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- st,m41t0
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- st,m41t00
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- st,m41t11
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- microchip,mcp7940x
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- microchip,mcp7941x
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- pericom,pt7c4338
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- epson,rx8025
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- isil,isl12057
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- epson,rx8130
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- items:
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- enum:
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- st,m41t00
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- const: dallas,ds1338
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reg:
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maxItems: 1
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interrupts:
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minItems: 1
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maxItems: 2
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interrupt-names:
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maxItems: 2
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"#clock-cells":
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const: 1
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clock-output-names:
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description: From common clock binding to override the default output clock name.
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wakeup-source:
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description: Enables wake up of host system on alarm.
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vcc-supply: true
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allOf:
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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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- dallas,ds1339
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- dallas,ds1340
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- dallas,ds1388
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then:
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properties:
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trickle-resistor-ohms:
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description: Selected resistor for trickle charger. Should be specified if trickle
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charger should be enabled.
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enum: [ 250, 2000, 4000 ]
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trickle-diode-disable:
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description: Do not use internal trickle charger diode. Should be given if internal
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trickle charger diode should be disabled (superseded by aux-voltage-chargeable)
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deprecated: true
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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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@68 {
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compatible = "dallas,ds1337";
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reg = <0x68>;
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interrupt-parent = <&gpio4>;
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interrupts = <20 0>;
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trickle-resistor-ohms = <250>;
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};
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};
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