@@ -29,3 +29,11 @@ and valid to enable charging:
- "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V)
- "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output
resistor, the other values are in kOhm.
+
+All of the devices can have a 47pf capacitor attached to increase the
+autocalibration accuracy of their RC oscillators. To enable or disable usage
+of the capacitor the following property can be defined:
+
+ - "abracon,autocal-filter": should be <0> or <1>. 0 indicates that there
+ is no capacitor attached, 1 indicates that there
+ is a capacitor attached.
Add a property to allow control of the autocalibration filter capacitor. Signed-off-by: Kevin P. Fleming <kevin+linux@km6g.us> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Rob Herring <robh+dt@kernel.org> To: linux-rtc@vger.kernel.org To: devicetree@vger.kernel.org --- v2: Change property to an integer value, and describe possible values Documentation/devicetree/bindings/rtc/abracon,abx80x.txt | 8 ++++++++ 1 file changed, 8 insertions(+)