| # SPDX-License-Identifier: GPL-2.0 | |
| %YAML 1.2 | |
| --- | |
| $id: http://devicetree.org/schemas/rtc/rtc-ds1307.yaml# | |
| $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| title: Dallas DS1307 and compatible RTC | |
| maintainers: | |
| - Alexandre Belloni <alexandre.belloni@bootlin.com> | |
| properties: | |
| compatible: | |
| oneOf: | |
| - enum: | |
| - dallas,ds1307 | |
| - dallas,ds1308 | |
| - dallas,ds1337 | |
| - dallas,ds1338 | |
| - dallas,ds1339 | |
| - dallas,ds1388 | |
| - dallas,ds1340 | |
| - dallas,ds1341 | |
| - maxim,ds3231 | |
| - st,m41t0 | |
| - st,m41t00 | |
| - st,m41t11 | |
| - microchip,mcp7940x | |
| - microchip,mcp7941x | |
| - pericom,pt7c4338 | |
| - epson,rx8025 | |
| - isil,isl12057 | |
| - epson,rx8130 | |
| - epson,rx8901 | |
| - items: | |
| - enum: | |
| - st,m41t00 | |
| - const: dallas,ds1338 | |
| reg: | |
| maxItems: 1 | |
| interrupts: | |
| minItems: 1 | |
| maxItems: 2 | |
| interrupt-names: | |
| maxItems: 2 | |
| "#clock-cells": | |
| const: 1 | |
| clock-output-names: | |
| description: From common clock binding to override the default output clock name. | |
| wakeup-source: | |
| description: Enables wake up of host system on alarm. | |
| vcc-supply: true | |
| allOf: | |
| - $ref: rtc.yaml | |
| - if: | |
| properties: | |
| compatible: | |
| contains: | |
| enum: | |
| - dallas,ds1339 | |
| - dallas,ds1340 | |
| - dallas,ds1388 | |
| then: | |
| properties: | |
| trickle-resistor-ohms: | |
| description: Selected resistor for trickle charger. Should be specified if trickle | |
| charger should be enabled. | |
| enum: [ 250, 2000, 4000 ] | |
| trickle-diode-disable: | |
| description: Do not use internal trickle charger diode. Should be given if internal | |
| trickle charger diode should be disabled (superseded by aux-voltage-chargeable) | |
| deprecated: true | |
| unevaluatedProperties: false | |
| required: | |
| - compatible | |
| - reg | |
| examples: | |
| - | | |
| i2c { | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| rtc@68 { | |
| compatible = "dallas,ds1337"; | |
| reg = <0x68>; | |
| interrupt-parent = <&gpio4>; | |
| interrupts = <20 0>; | |
| trickle-resistor-ohms = <250>; | |
| }; | |
| }; |