1*c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0 2*c66ec88fSEmmanuel Vadot%YAML 1.2 3*c66ec88fSEmmanuel Vadot--- 4*c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/rtc/rtc.yaml# 5*c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6*c66ec88fSEmmanuel Vadot 7*c66ec88fSEmmanuel Vadottitle: RTC Generic Binding 8*c66ec88fSEmmanuel Vadot 9*c66ec88fSEmmanuel Vadotmaintainers: 10*c66ec88fSEmmanuel Vadot - Alexandre Belloni <alexandre.belloni@bootlin.com> 11*c66ec88fSEmmanuel Vadot 12*c66ec88fSEmmanuel Vadotdescription: | 13*c66ec88fSEmmanuel Vadot This document describes generic bindings which can be used to 14*c66ec88fSEmmanuel Vadot describe Real Time Clock devices in a device tree. 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel Vadotproperties: 17*c66ec88fSEmmanuel Vadot $nodename: 18*c66ec88fSEmmanuel Vadot pattern: "^rtc(@.*|-[0-9a-f])*$" 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel Vadot quartz-load-femtofarads: 21*c66ec88fSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/uint32 22*c66ec88fSEmmanuel Vadot description: 23*c66ec88fSEmmanuel Vadot The capacitive load of the quartz(x-tal), expressed in femto 24*c66ec88fSEmmanuel Vadot Farad (fF). The default value shall be listed (if optional), 25*c66ec88fSEmmanuel Vadot and likewise all valid values. 26*c66ec88fSEmmanuel Vadot 27*c66ec88fSEmmanuel Vadot start-year: 28*c66ec88fSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/uint32 29*c66ec88fSEmmanuel Vadot description: 30*c66ec88fSEmmanuel Vadot If provided, the default hardware range supported by the RTC is 31*c66ec88fSEmmanuel Vadot shifted so the first usable year is the specified one. 32*c66ec88fSEmmanuel Vadot 33*c66ec88fSEmmanuel Vadot trickle-diode-disable: 34*c66ec88fSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/flag 35*c66ec88fSEmmanuel Vadot description: 36*c66ec88fSEmmanuel Vadot Do not use internal trickle charger diode. Should be given if 37*c66ec88fSEmmanuel Vadot internal trickle charger diode should be disabled. 38*c66ec88fSEmmanuel Vadot 39*c66ec88fSEmmanuel Vadot trickle-resistor-ohms: 40*c66ec88fSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/uint32 41*c66ec88fSEmmanuel Vadot description: 42*c66ec88fSEmmanuel Vadot Selected resistor for trickle charger. Should be given 43*c66ec88fSEmmanuel Vadot if trickle charger should be enabled. 44*c66ec88fSEmmanuel Vadot 45*c66ec88fSEmmanuel Vadot wakeup-source: 46*c66ec88fSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/flag 47*c66ec88fSEmmanuel Vadot description: 48*c66ec88fSEmmanuel Vadot Enables wake up of host system on alarm. 49*c66ec88fSEmmanuel Vadot 50*c66ec88fSEmmanuel Vadot... 51