Hi, On 18/12/2019 16:24:00+0000, Eugen.Hristev@xxxxxxxxxxxxx wrote: > From: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx> > > This allows the RTC node to have child nodes in DT. > This allows subnodes to be probed. > > Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx> > --- > drivers/rtc/rtc-at91rm9200.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c > index 3b833e0..f1b5b3d 100644 > --- a/drivers/rtc/rtc-at91rm9200.c > +++ b/drivers/rtc/rtc-at91rm9200.c > @@ -421,7 +421,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) > at91_rtc_write_ier(AT91_RTC_SECEV); > > dev_info(&pdev->dev, "AT91 Real Time Clock driver.\n"); > - return 0; > + return of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); > You can avoid the DT binding change and DT parsing by using platform_add_device here. I don't think there is any point describing the trigger as a child node (a watchdog functionality wouldn't be described for example). -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com