From: Sam Ravnborg <sam@ravnborg.org>
To: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: "Alessandro Zummo" <a.zummo@towertech.it>,
"Andrew Jeffery" <andrew@aj.id.au>,
"Fabio Estevam" <fabio.estevam@nxp.com>,
"Joel Stanley" <joel@jms.id.au>,
"Mark Rutland" <mark.rutland@arm.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Russell King" <linux@armlinux.org.uk>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Urs Fässler" <urs.fassler@bbv.ch>,
"Shawn Guo" <shawnguo@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-rtc@vger.kernel.org, "Sam Ravnborg" <sam@ravnborg.org>
Subject: [PATCH v3 2/6] dt-bindings: rtc: Add quartz-load-femtofarads property
Date: Sat, 19 Jan 2019 10:00:27 +0100 [thread overview]
Message-ID: <20190119090031.29147-3-sam@ravnborg.org> (raw)
In-Reply-To: <20190119090031.29147-1-sam@ravnborg.org>
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>
---
Documentation/devicetree/bindings/rtc/rtc.txt | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/rtc/rtc.txt b/Documentation/devicetree/bindings/rtc/rtc.txt
index 7c8da6926095..41eb335ea816 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
------------
--
2.12.0
next prev parent reply other threads:[~2019-01-19 9:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-19 9:00 [PATCH v3 0/6] add quartz load support to NXP rtc drivers Sam Ravnborg
2019-01-19 9:00 ` [PATCH v3 1/6] devicetree: property-units: Add femtofarads unit Sam Ravnborg
2019-01-19 9:00 ` Sam Ravnborg [this message]
2019-01-21 15:24 ` [PATCH v3 2/6] dt-bindings: rtc: Add quartz-load-femtofarads property Rob Herring
2019-01-19 9:00 ` [PATCH v3 3/6] dt-binding: pcf8523: add xtal load capacitance Sam Ravnborg
2019-01-19 9:00 ` [PATCH v3 4/6] dt-binding: pcf85063: " Sam Ravnborg
2019-01-21 15:25 ` Rob Herring
2019-01-19 9:00 ` [PATCH v3 5/6] rtc: pcf8523: set xtal load capacitance from DT Sam Ravnborg
2019-01-19 9:00 ` [PATCH v3 6/6] rtc: pcf85063: " Sam Ravnborg
2019-01-22 17:57 ` [PATCH v3 0/6] add quartz load support to NXP rtc drivers Alexandre Belloni
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