Lines Matching full:rtt
3 * "RTT as Real Time Clock" driver for AT91SAM9 SoC family
30 * - A "Real-time Timer" (RTT) counts up in seconds from a base time.
38 * The RTC's value is the RTT counter plus that offset. The RTC's alarm
69 void __iomem *rtt; member
82 readl((rtc)->rtt + AT91_RTT_ ## field)
84 writel((val), (rtc)->rtt + AT91_RTT_ ## field)
360 rtc->rtt = devm_platform_ioremap_resource(pdev, 0); in at91_rtc_probe()
361 if (IS_ERR(rtc->rtt)) in at91_rtc_probe()
362 return PTR_ERR(rtc->rtt); in at91_rtc_probe()
365 "atmel,rtt-rtc-time-reg", 1, 0, in at91_rtc_probe()
397 /* unless RTT is counting at 1 Hz, re-initialize it */ in at91_rtc_probe()
426 * RTT on at least some reboots. If you have that chip, you must in at91_rtc_probe()
526 { .compatible = "atmel,at91sam9260-rtt" },