AT91_PMC_LOCKU     16 include/dt-bindings/clock/at91.h #define AT91_PMC_LOCKU		6		/* UPLL Lock */
AT91_PMC_LOCKU    158 include/linux/clk/at91_pmc.h #define		AT91_PMC_LOCKU		(1 <<  6)		/* UPLL Lock [some SAM9] */