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authorSam Ravnborg <sam@ravnborg.org>2019-01-19 10:00:27 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-01-22 18:55:35 +0100
commitd08fd7c1b9bd78b10345d2f9b115c5fd362b75cd (patch)
tree4d30b44eb06eccff4980e580a41884dbaed3f80d /Documentation/devicetree/bindings/rtc/rtc.txt
parent5eca99917cb73086908cdb262ca54dff1fce4f6e (diff)
dt-bindings: rtc: Add quartz-load-femtofarads property
The quartz-load-femtofarads are relevant for several users. Add it as a common property in rtc. Note that valid values and default values must be documented. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Suggested-by: Rob Herring <robh+dt@kernel.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'Documentation/devicetree/bindings/rtc/rtc.txt')
-rw-r--r--Documentation/devicetree/bindings/rtc/rtc.txt16
1 files changed, 10 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/rtc/rtc.txt b/Documentation/devicetree/bindings/rtc/rtc.txt
index b79a4794a928..0cacbc0edd20 100644
--- a/Documentation/devicetree/bindings/rtc/rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/rtc.txt
@@ -21,12 +21,16 @@ Optional properties
The following properties may not be supported by all drivers. However, if a
driver wants to support one of the below features, it should adapt the bindings
below.
-- trickle-resistor-ohms : Selected resistor for trickle charger. Should be given
- if trickle charger should be enabled
-- trickle-diode-disable : Do not use internal trickle charger diode Should be
- given if internal trickle charger diode should be
- disabled
-- wakeup-source : Enables wake up of host system on alarm
+- trickle-resistor-ohms : Selected resistor for trickle charger. Should be given
+ if trickle charger should be enabled
+- trickle-diode-disable : Do not use internal trickle charger diode Should be
+ given if internal trickle charger diode should be
+ disabled
+- wakeup-source : Enables wake up of host system on alarm
+- quartz-load-femtofarads : 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.
Trivial RTCs
------------