| # SPDX-License-Identifier: GPL-2.0 |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/rtc/rtc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: RTC Generic Binding |
| |
| maintainers: |
| - Alexandre Belloni <alexandre.belloni@bootlin.com> |
| |
| description: | |
| This document describes generic bindings which can be used to |
| describe Real Time Clock devices in a device tree. |
| |
| properties: |
| $nodename: |
| pattern: "^rtc(@.*|-[0-9a-f])*$" |
| |
| quartz-load-femtofarads: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: |
| The capacitive load of the quartz(x-tal), expressed in femto |
| Farad (fF). The default value shall be listed (if optional), |
| and likewise all valid values. |
| |
| start-year: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: |
| If provided, the default hardware range supported by the RTC is |
| shifted so the first usable year is the specified one. |
| |
| trickle-diode-disable: |
| $ref: /schemas/types.yaml#/definitions/flag |
| description: |
| Do not use internal trickle charger diode. Should be given if |
| internal trickle charger diode should be disabled. |
| |
| trickle-resistor-ohms: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: |
| Selected resistor for trickle charger. Should be given |
| if trickle charger should be enabled. |
| |
| wakeup-source: |
| $ref: /schemas/types.yaml#/definitions/flag |
| description: |
| Enables wake up of host system on alarm. |
| |
| ... |
