| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/rtc/rtc-ds1307.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Dallas DS1307 and compatible RTC |
| 8 | |
| 9 | maintainers: |
| 10 | - Alexandre Belloni <alexandre.belloni@bootlin.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | oneOf: |
| 15 | - enum: |
| 16 | - dallas,ds1307 |
| 17 | - dallas,ds1308 |
| 18 | - dallas,ds1337 |
| 19 | - dallas,ds1338 |
| 20 | - dallas,ds1339 |
| 21 | - dallas,ds1388 |
| 22 | - dallas,ds1340 |
| 23 | - dallas,ds1341 |
| 24 | - maxim,ds3231 |
| 25 | - st,m41t0 |
| 26 | - st,m41t00 |
| 27 | - st,m41t11 |
| 28 | - microchip,mcp7940x |
| 29 | - microchip,mcp7941x |
| 30 | - pericom,pt7c4338 |
| 31 | - epson,rx8025 |
| 32 | - isil,isl12057 |
| 33 | - epson,rx8130 |
| 34 | |
| 35 | - items: |
| 36 | - enum: |
| 37 | - st,m41t00 |
| 38 | - const: dallas,ds1338 |
| 39 | |
| 40 | reg: |
| 41 | maxItems: 1 |
| 42 | |
| 43 | interrupts: |
| 44 | minItems: 1 |
| 45 | maxItems: 2 |
| 46 | |
| 47 | interrupt-names: |
| 48 | maxItems: 2 |
| 49 | |
| 50 | "#clock-cells": |
| 51 | const: 1 |
| 52 | |
| 53 | clock-output-names: |
| 54 | description: From common clock binding to override the default output clock name. |
| 55 | |
| 56 | wakeup-source: |
| 57 | description: Enables wake up of host system on alarm. |
| 58 | |
| 59 | vcc-supply: true |
| 60 | |
| 61 | allOf: |
| 62 | - $ref: rtc.yaml |
| 63 | - if: |
| 64 | properties: |
| 65 | compatible: |
| 66 | contains: |
| 67 | enum: |
| 68 | - dallas,ds1339 |
| 69 | - dallas,ds1340 |
| 70 | - dallas,ds1388 |
| 71 | then: |
| 72 | properties: |
| 73 | trickle-resistor-ohms: |
| 74 | description: Selected resistor for trickle charger. Should be specified if trickle |
| 75 | charger should be enabled. |
| 76 | enum: [ 250, 2000, 4000 ] |
| 77 | |
| 78 | trickle-diode-disable: |
| 79 | description: Do not use internal trickle charger diode. Should be given if internal |
| 80 | trickle charger diode should be disabled (superseded by aux-voltage-chargeable) |
| 81 | deprecated: true |
| 82 | |
| 83 | unevaluatedProperties: false |
| 84 | |
| 85 | required: |
| 86 | - compatible |
| 87 | - reg |
| 88 | |
| 89 | examples: |
| 90 | - | |
| 91 | i2c { |
| 92 | #address-cells = <1>; |
| 93 | #size-cells = <0>; |
| 94 | |
| 95 | rtc@68 { |
| 96 | compatible = "dallas,ds1337"; |
| 97 | reg = <0x68>; |
| 98 | interrupt-parent = <&gpio4>; |
| 99 | interrupts = <20 0>; |
| 100 | trickle-resistor-ohms = <250>; |
| 101 | }; |
| 102 | }; |