On 10/09/2019 18:42:46+0800, Biwen Li wrote: > Add some properties for pcf85263/pcf85363 as follows: > - nxp,rtc-interrupt-type: integer type > - nxp,rtc-interrupt-output-pin: string type > - quartz-load-femtofarads: integer type > - nxp,quartz-drive-strength: integer type > - nxp,quartz-low-jitter: bool type > - wakeup-source: bool type > > Signed-off-by: Martin Fuzzey <mfuzzey@xxxxxxxxxxx> > Signed-off-by: Biwen Li <biwen.li@xxxxxxx> > --- > Change in v4: > - Drop robust defines in include/dt-bindings/rtc/pcf85363.h > - Add nxp,rtc-interrupt-type property > - Replace interrupt-output-pin with nxp,rtc-interrupt-output-pin > > Change in v3: > - None > > Change in v2: > - Replace properties name > quartz-load-capacitance -> quartz-load-femtofarads > quartz-drive-strength -> nxp,quartz-drive-strength > quartz-low-jitter -> nxp,quartz-low-jitter > - Replace drive strength name > PCF85263_QUARTZDRIVE_NORMAL -> PCF85263_QUARTZDRIVE_100ko > PCF85263_QUARTZDRIVE_LOW -> PCF85263_QUARTZDRIVE_60ko > PCF85263_QUARTZDRIVE_HIGH -> PCF85263_QUARTZDRIVE_500ko > - Set default interrupt-output-pin as "INTA" > > .../devicetree/bindings/rtc/pcf85363.txt | 44 ++++++++++++++++++- > include/dt-bindings/rtc/pcf85363.h | 14 ++++++ > 2 files changed, 57 insertions(+), 1 deletion(-) > create mode 100644 include/dt-bindings/rtc/pcf85363.h > > diff --git a/Documentation/devicetree/bindings/rtc/pcf85363.txt b/Documentation/devicetree/bindings/rtc/pcf85363.txt > index 94adc1cf93d9..fc1579463657 100644 > --- a/Documentation/devicetree/bindings/rtc/pcf85363.txt > +++ b/Documentation/devicetree/bindings/rtc/pcf85363.txt > @@ -8,10 +8,52 @@ Required properties: > Optional properties: > - interrupts: IRQ line for the RTC (not implemented). > > +- nxp,rtc-interrupt-type: integer property, represent the interrupt's > + type. Valid values are > + INT_PIE(periodic interrupt enable), > + INT_OIE(offset correction interrupt enable), > + INT_A1IE(alarm1 interrupt enable), > + INT_A2IE(alarm2 interrupt enable), > + INT_TSRIE(timestamp register interrupt enable) > + INT_BSIE(battery switch interrupt enable), > + INT_WDIE(WatchDog interrupt enable,and > + compose these values such as: INT_A1IE | INT_A2IE, > + but currently only support INT_A1IE, default value is INT_A1IE. > + The property and property nxp,rtc-interrupt-output-pin > + work together to generate some interrupts on some pins. > + > +- nxp,rtc-interrupt-output-pin: The interrupt output pin must be > + "INTA" or "INTB", default value is "INTA". The property and property > + nxp,rtc-interrupt-type work together to generate some interrupts on > + some pins. > + This binding still doesn't work because there may be any combination of interrupts on any of the two pins that this binding doesn't allow. > +- quartz-load-femtofarads: The internal capacitor to select for the quartz, > + expressed in femto Farad (fF). Valid values are 6000, 7000 and 12500. > + Default value is 12500fF. > + > +- nxp,quartz-drive-strength: Drive strength for the quartz, > + expressed in kilo ohms (kOhm) Valid values are 60, 100 and 500. > + Default value is 100kOhm. > + It makes more sense to have quartz-drive-strength-ohms as a generic property. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
