Message ID | 20200530124900.363399-1-kevin+linux@km6g.us |
---|---|
State | New |
Headers | show |
Series | [1/2] dt-bindings: abx80x: Add autocal-filter property | expand |
diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt index 2405e35a1bc0..ad5d59ed6f24 100644 --- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt +++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt @@ -29,3 +29,9 @@ 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 usage of the +capacitor the following property has to be defined: + + - "abracon,autocal-filter"
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 --- Documentation/devicetree/bindings/rtc/abracon,abx80x.txt | 6 ++++++ 1 file changed, 6 insertions(+)