Lines Matching +full:snvs +full:- +full:rtc

1 /*-
29  * Driver for imx6 Secure Non-Volatile Storage system, which really means "all
31  * realtime clock, tamper monitor, and power-management functions.  Currently
52 #define	  LPCR_SRTC_ENV		  (1u << 0)	/* RTC enabled/valid */
60  * The RTC is a 47-bit counter clocked at 32KHz and organized as a 32.15
61  * fixed-point binary value.  Shifting by SBT_LSB bits translates between
66 #define	SBT_LSB		(SBT_BITS - RTC_BITS)
75 	{"fsl,sec-v4.0-mon-rtc-lp", true},
83 	return (SYSCON_READ_4(sc->syscon, offset));  in RD4()
90 	SYSCON_WRITE_4(sc->syscon, offset, value);  in WR4()
99 		sc->lpcr |= LPCR_SRTC_ENV;  in snvs_rtc_enable()
101 		sc->lpcr &= ~LPCR_SRTC_ENV;  in snvs_rtc_enable()
102 	WR4(sc, SNVS_LPCR, sc->lpcr);  in snvs_rtc_enable()
105 	enbit = sc->lpcr & LPCR_SRTC_ENV;  in snvs_rtc_enable()
126 	 * The counter is 47 bits, organized as a 32.15 binary fixed-point  in snvs_gettime()
127 	 * value. If we shift it up to the high order part of a 64-bit word it  in snvs_gettime()
139 	clock_dbgprint_ts(sc->dev, CLOCK_DBG_READ, ts);   in snvs_gettime()
165 	clock_dbgprint_ts(sc->dev, CLOCK_DBG_WRITE, ts);   in snvs_settime()
177 	if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)  in snvs_probe()
180 	device_set_desc(dev, "i.MX6 SNVS RTC");  in snvs_probe()
190 	sc->dev = dev;  in snvs_attach()
192 	if (syscon_get_handle_default(sc->dev, &sc->syscon) != 0) {  in snvs_attach()
193 		device_printf(sc->dev, "Cannot get syscon handle\n");  in snvs_attach()
197 	clock_register(sc->dev, RTC_RESOLUTION_US);  in snvs_attach()
208 	clock_unregister(sc->dev);  in snvs_detach()
225 	"snvs",
230 DRIVER_MODULE(snvs, simplebus, snvs_driver, 0, 0);