Hebbar Gururaja <gururaja.hebbar@xxxxxx> writes: > On some platforms (like AM33xx), a special register (RTC_IRQWAKEEN) > is available to enable Alarm Wakeup feature. This register needs to be > properly handled for the rtcwake to work properly. > > Platforms using such IP should set "ti,am3352-rtc" in rtc device dt > compatibility node. > > Signed-off-by: Hebbar Gururaja <gururaja.hebbar@xxxxxx> > Cc: Grant Likely <grant.likely@xxxxxxxxxx> > Cc: Rob Herring <rob.herring@xxxxxxxxxxx> > Cc: Rob Landley <rob@xxxxxxxxxxx> > Cc: Sekhar Nori <nsekhar@xxxxxx> > Cc: Kevin Hilman <khilman@xxxxxxxxxx> > Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx> > Cc: rtc-linux@xxxxxxxxxxxxxxxx > Cc: devicetree-discuss@xxxxxxxxxxxxxxxx > Cc: linux-doc@xxxxxxxxxxxxxxx Acked-by: Kevin Hilman <khilman@xxxxxxxxxx> ...with a minor nit below... > --- > :100644 100644 b47aa41... 5a0f02d... M Documentation/devicetree/bindings/rtc/rtc-omap.txt > :100644 100644 761919d... 666b0c2... M drivers/rtc/rtc-omap.c > Documentation/devicetree/bindings/rtc/rtc-omap.txt | 6 ++- > drivers/rtc/rtc-omap.c | 56 +++++++++++++++++--- > 2 files changed, 54 insertions(+), 8 deletions(-) > > diff --git a/Documentation/devicetree/bindings/rtc/rtc-omap.txt b/Documentation/devicetree/bindings/rtc/rtc-omap.txt > index b47aa41..5a0f02d 100644 > --- a/Documentation/devicetree/bindings/rtc/rtc-omap.txt > +++ b/Documentation/devicetree/bindings/rtc/rtc-omap.txt > @@ -1,7 +1,11 @@ > TI Real Time Clock > > Required properties: > -- compatible: "ti,da830-rtc" > +- compatible: > + - "ti,da830-rtc" - for RTC IP used similar to that on DA8xx SoC family. > + - "ti,am3352-rtc" - for RTC IP used similar to that on AM335x SoC family. > + This RTC IP has special WAKE-EN Register to enable > + Wakeup generation for event Alarm. > - reg: Address range of rtc register set > - interrupts: rtc timer, alarm interrupts in order > - interrupt-parent: phandle for the interrupt controller > diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c > index 761919d..666b0c2 100644 > --- a/drivers/rtc/rtc-omap.c > +++ b/drivers/rtc/rtc-omap.c > @@ -72,6 +72,8 @@ > #define OMAP_RTC_KICK0_REG 0x6c > #define OMAP_RTC_KICK1_REG 0x70 > > +#define OMAP_RTC_IRQWAKEEN 0x7C > + nit: letters in hex numbers are usually lower-case. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
