1config CLKSRC_OF 2 bool 3 4config CLKSRC_I8253 5 bool 6 7config CLKEVT_I8253 8 bool 9 10config I8253_LOCK 11 bool 12 13config CLKBLD_I8253 14 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 15 16config CLKSRC_MMIO 17 bool 18 19config DW_APB_TIMER 20 bool 21 22config DW_APB_TIMER_OF 23 bool 24 select DW_APB_TIMER 25 select CLKSRC_OF 26 27config ARMADA_370_XP_TIMER 28 bool 29 select CLKSRC_OF 30 31config ORION_TIMER 32 select CLKSRC_OF 33 select CLKSRC_MMIO 34 bool 35 36config SUN4I_TIMER 37 bool 38 39config VT8500_TIMER 40 bool 41 42config CADENCE_TTC_TIMER 43 bool 44 45config CLKSRC_NOMADIK_MTU 46 bool 47 depends on (ARCH_NOMADIK || ARCH_U8500) 48 select CLKSRC_MMIO 49 help 50 Support for Multi Timer Unit. MTU provides access 51 to multiple interrupt generating programmable 52 32-bit free running decrementing counters. 53 54config CLKSRC_NOMADIK_MTU_SCHED_CLOCK 55 bool 56 depends on CLKSRC_NOMADIK_MTU 57 help 58 Use the Multi Timer Unit as the sched_clock. 59 60config CLKSRC_DBX500_PRCMU 61 bool "Clocksource PRCMU Timer" 62 depends on UX500_SOC_DB8500 63 default y 64 help 65 Use the always on PRCMU Timer as clocksource 66 67config CLKSRC_DBX500_PRCMU_SCHED_CLOCK 68 bool "Clocksource PRCMU Timer sched_clock" 69 depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 70 default y 71 help 72 Use the always on PRCMU Timer as sched_clock 73 74config ARM_ARCH_TIMER 75 bool 76 select CLKSRC_OF if OF 77 78config ARM_GLOBAL_TIMER 79 bool 80 select CLKSRC_OF if OF 81 help 82 This options enables support for the ARM global timer unit 83 84config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 85 bool 86 depends on ARM_GLOBAL_TIMER 87 default y 88 help 89 Use ARM global timer clock source as sched_clock 90 91config CLKSRC_METAG_GENERIC 92 def_bool y if METAG 93 help 94 This option enables support for the Meta per-thread timers. 95 96config CLKSRC_EXYNOS_MCT 97 def_bool y if ARCH_EXYNOS 98 help 99 Support for Multi Core Timer controller on Exynos SoCs. 100 101config CLKSRC_SAMSUNG_PWM 102 bool 103 help 104 This is a new clocksource driver for the PWM timer found in 105 Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 106 for all devicetree enabled platforms. This driver will be 107 needed only on systems that do not have the Exynos MCT available. 108 109config VF_PIT_TIMER 110 bool 111 help 112 Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 113