On 19/12/2022 20:09, Dennis Lambe Jr wrote: > The ST m41t82 and m41t83 support programmable load capacitance from 3.5 > pF to 17.4 pF. The hardware defaults to 12.5 pF. > > The accuracy of the xtal can be calibrated precisely by adjusting the > load capacicance. > > Add default, minimum, and maximum for the standard rtc property > quartz-load-femtofarads on compatible devices. > > Signed-off-by: Dennis Lambe Jr <dennis@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/rtc/st,m41t80.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/devicetree/bindings/rtc/st,m41t80.yaml b/Documentation/devicetree/bindings/rtc/st,m41t80.yaml > index fc9c6da6483f..6b72580dc031 100644 > --- a/Documentation/devicetree/bindings/rtc/st,m41t80.yaml > +++ b/Documentation/devicetree/bindings/rtc/st,m41t80.yaml > @@ -33,6 +33,11 @@ properties: > "#clock-cells": > const: 1 > > + quartz-load-femtofarads: > + default: 12500 > + minimum: 3500 > + maximum: 17375 > + > clock-output-names: > maxItems: 1 > description: From common clock binding to override the default output clock name. > @@ -44,8 +49,21 @@ properties: > clock-frequency: > const: 32768 > > + wakeup-source: true Why do you need it here? It's already accepted in rtc.yaml. Adding it is not explained in commit msg. > + > allOf: Best regards, Krzysztof
