| # 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 |
| |
| - 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| trickle charger diode should be disabled (superseded by aux-voltage-chargeable) |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>; |
| }; |
| }; |
