Hi Pali, > Il 07/05/2021 09:56 Pali Rohár <p...@kernel.org> ha scritto: > > > On Friday 07 May 2021 06:15:02 Dario Binacchi wrote: > > The Davinci's onchip RTC is also present on TI OMAP1, AM33XX, AM43XX and > > DRA7XX SOCs. So, let's enable compilation for these architectures too. > > Hello! If it is available on AM33XX, do you know if it is also on OMAP3? >
I do not think so. I think am335x is omap2 and not omap3. In https://www.ti.com/lit/ug/spruf98y/spruf98y.pdf I don't see any reference to the RTC. Thanks and regards, Dario > > Signed-off-by: Dario Binacchi <dario...@libero.it> > > --- > > > > drivers/rtc/Kconfig | 7 +++++++ > > drivers/rtc/davinci.c | 11 ++++++++--- > > 2 files changed, 15 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig > > index c84a9d2b27..cbdfddb80f 100644 > > --- a/drivers/rtc/Kconfig > > +++ b/drivers/rtc/Kconfig > > @@ -188,4 +188,11 @@ config RTC_ABX80X > > families of ultra-low-power battery- and capacitor-backed real-time > > clock chips. > > > > +config RTC_DAVINCI > > + bool "Enable TI OMAP RTC driver" > > + depends on ARCH_DAVINCI || ARCH_OMAP2PLUS > > + help > > + Say "yes" here to support the on chip real time clock > > + present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx. > > + > > endmenu > > diff --git a/drivers/rtc/davinci.c b/drivers/rtc/davinci.c > > index c446e7a735..8f5f76c9d6 100644 > > --- a/drivers/rtc/davinci.c > > +++ b/drivers/rtc/davinci.c > > @@ -9,11 +9,16 @@ > > #include <rtc.h> > > #include <asm/io.h> > > #include <asm/davinci_rtc.h> > > +#include <asm/arch/hardware.h> > > #include <linux/delay.h> > > > > +#if !defined(RTC_BASE) && defined(DAVINCI_RTC_BASE) > > +#define RTC_BASE DAVINCI_RTC_BASE > > +#endif > > + > > int rtc_get(struct rtc_time *tmp) > > { > > - struct davinci_rtc *rtc = (struct davinci_rtc *)DAVINCI_RTC_BASE; > > + struct davinci_rtc *rtc = (struct davinci_rtc *)RTC_BASE; > > unsigned long sec, min, hour, mday, wday, mon_cent, year; > > unsigned long status; > > > > @@ -57,7 +62,7 @@ int rtc_get(struct rtc_time *tmp) > > > > int rtc_set(struct rtc_time *tmp) > > { > > - struct davinci_rtc *rtc = (struct davinci_rtc *)DAVINCI_RTC_BASE; > > + struct davinci_rtc *rtc = (struct davinci_rtc *)RTC_BASE; > > > > debug("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", > > tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, > > @@ -75,7 +80,7 @@ int rtc_set(struct rtc_time *tmp) > > > > void rtc_reset(void) > > { > > - struct davinci_rtc *rtc = (struct davinci_rtc *)DAVINCI_RTC_BASE; > > + struct davinci_rtc *rtc = (struct davinci_rtc *)RTC_BASE; > > > > /* run RTC counter */ > > writel(0x01, &rtc->ctrl); > > -- > > 2.17.1 > >
