linux/drivers/clocksource/Kconfig
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   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
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