drivers/clocksource/Kconfig

   1 menu "Clock Source drivers"
   2         depends on !ARCH_USES_GETTIMEOFFSET
   3
   4 config CLKSRC_OF
   5         bool
   6         select CLKSRC_PROBE
   7
   8 config CLKSRC_ACPI
   9         bool
  10         select CLKSRC_PROBE
  11
  12 config CLKSRC_PROBE
  13         bool
  14
  15 config CLKSRC_I8253
  16         bool
  17
  18 config CLKEVT_I8253
  19         bool
  20
  21 config I8253_LOCK
  22         bool
  23
  24 config CLKBLD_I8253
  25         def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
  26
  27 config CLKSRC_MMIO
  28         bool
  29
  30 config BCM2835_TIMER
  31         bool "BCM2835 timer driver" if COMPILE_TEST
  32         depends on GENERIC_CLOCKEVENTS
  33         select CLKSRC_MMIO
  34         help
  35           Enables the support for the BCM2835 timer driver.
  36
  37 config BCM_KONA_TIMER
  38         bool "BCM mobile timer driver" if COMPILE_TEST
  39         depends on GENERIC_CLOCKEVENTS
  40         select CLKSRC_MMIO
  41         help
  42           Enables the support for the BCM Kona mobile timer driver.
  43
  44 config DIGICOLOR_TIMER
  45         bool "Digicolor timer driver" if COMPILE_TEST
  46         depends on GENERIC_CLOCKEVENTS
  47         select CLKSRC_MMIO
  48         depends on HAS_IOMEM
  49         help
  50           Enables the support for the digicolor timer driver.
  51
  52 config DW_APB_TIMER
  53         bool "DW APB timer driver" if COMPILE_TEST
  54         depends on GENERIC_CLOCKEVENTS
  55         help
  56           Enables the support for the dw_apb timer.
  57
  58 config DW_APB_TIMER_OF
  59         bool
  60         select DW_APB_TIMER
  61         select CLKSRC_OF
  62
  63 config ROCKCHIP_TIMER
  64         bool "Rockchip timer driver" if COMPILE_TEST
  65         depends on ARM || ARM64
  66         select CLKSRC_OF
  67         help
  68           Enables the support for the rockchip timer driver.
  69
  70 config ARMADA_370_XP_TIMER
  71         bool "Armada 370 and XP timer driver" if COMPILE_TEST
  72         depends on ARM
  73         select CLKSRC_OF
  74         select CLKSRC_MMIO
  75         help
  76           Enables the support for the Armada 370 and XP timer driver.
  77
  78 config MESON6_TIMER
  79         bool "Meson6 timer driver" if COMPILE_TEST
  80         depends on GENERIC_CLOCKEVENTS
  81         select CLKSRC_MMIO
  82         help
  83           Enables the support for the Meson6 timer driver.
  84
  85 config ORION_TIMER
  86         bool "Orion timer driver" if COMPILE_TEST
  87         depends on ARM
  88         select CLKSRC_OF
  89         select CLKSRC_MMIO
  90         help
  91           Enables the support for the Orion timer driver
  92
  93 config SUN4I_TIMER
  94         bool "Sun4i timer driver" if COMPILE_TEST
  95         depends on GENERIC_CLOCKEVENTS
  96         depends on HAS_IOMEM
  97         select CLKSRC_MMIO
  98         help
  99           Enables support for the Sun4i timer.
 100
 101 config SUN5I_HSTIMER
 102         bool "Sun5i timer driver" if COMPILE_TEST
 103         select CLKSRC_MMIO
 104         depends on COMMON_CLK
 105         help
 106           Enables support the Sun5i timer.
 107
 108 config TEGRA_TIMER
 109         bool "Tegra timer driver" if COMPILE_TEST
 110         select CLKSRC_MMIO
 111         depends on ARM
 112         help
 113           Enables support for the Tegra driver.
 114
 115 config VT8500_TIMER
 116         bool "VT8500 timer driver" if COMPILE_TEST
 117         depends on GENERIC_CLOCKEVENTS
 118         depends on HAS_IOMEM
 119         help
 120           Enables support for the VT8500 driver.
 121
 122 config CADENCE_TTC_TIMER
 123         bool "Cadence TTC timer driver" if COMPILE_TEST
 124         depends on COMMON_CLK
 125         help
 126           Enables support for the cadence ttc driver.
 127
 128 config ASM9260_TIMER
 129         bool "ASM9260 timer driver" if COMPILE_TEST
 130         depends on GENERIC_CLOCKEVENTS
 131         select CLKSRC_MMIO
 132         select CLKSRC_OF
 133         help
 134           Enables support for the ASM9260 timer.
 135
 136 config CLKSRC_NOMADIK_MTU
 137         bool "Nomakdik clocksource driver" if COMPILE_TEST
 138         depends on ARM
 139         select CLKSRC_MMIO
 140         help
 141           Support for Multi Timer Unit. MTU provides access
 142           to multiple interrupt generating programmable
 143           32-bit free running decrementing counters.
 144
 145 config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
 146         bool
 147         depends on CLKSRC_NOMADIK_MTU
 148         help
 149           Use the Multi Timer Unit as the sched_clock.
 150
 151 config CLKSRC_DBX500_PRCMU
 152         bool "Clocksource PRCMU Timer" if COMPILE_TEST
 153         depends on GENERIC_CLOCKEVENTS
 154         depends on HAS_IOMEM
 155         help
 156           Use the always on PRCMU Timer as clocksource
 157
 158 config CLPS711X_TIMER
 159         bool "Cirrus logic timer driver" if COMPILE_TEST
 160         depends on GENERIC_CLOCKEVENTS
 161         select CLKSRC_MMIO
 162         help
 163           Enables support for the Cirrus Logic PS711 timer.
 164
 165 config ATLAS7_TIMER
 166         bool "Atlas7 timer driver" if COMPILE_TEST
 167         depends on GENERIC_CLOCKEVENTS
 168         select CLKSRC_MMIO
 169         help
 170           Enables support for the Atlas7 timer.
 171
 172 config MOXART_TIMER
 173         bool "Moxart timer driver" if COMPILE_TEST
 174         depends on GENERIC_CLOCKEVENTS
 175         select CLKSRC_MMIO
 176         help
 177           Enables support for the Moxart timer.
 178
 179 config MXS_TIMER
 180         bool "Mxs timer driver" if COMPILE_TEST
 181         depends on GENERIC_CLOCKEVENTS
 182         select CLKSRC_MMIO
 183         select STMP_DEVICE
 184         help
 185           Enables support for the Mxs timer.
 186
 187 config PRIMA2_TIMER
 188         bool "Prima2 timer driver" if COMPILE_TEST
 189         depends on GENERIC_CLOCKEVENTS
 190         select CLKSRC_MMIO
 191         help
 192           Enables support for the Prima2 timer.
 193
 194 config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
 195         bool "Clocksource PRCMU Timer sched_clock"
 196         depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
 197         default y
 198         help
 199           Use the always on PRCMU Timer as sched_clock
 200
 201 config CLKSRC_EFM32
 202         bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
 203         depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
 204         select CLKSRC_MMIO
 205         default ARCH_EFM32
 206         help
 207           Support to use the timers of EFM32 SoCs as clock source and clock
 208           event device.
 209
 210 config CLKSRC_LPC32XX
 211         bool "Clocksource for LPC32XX" if COMPILE_TEST
 212         depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
 213         depends on ARM
 214         select CLKSRC_MMIO
 215         select CLKSRC_OF
 216         help
 217           Support for the LPC32XX clocksource.
 218
 219 config CLKSRC_PISTACHIO
 220         bool "Clocksource for Pistachio SoC" if COMPILE_TEST
 221         depends on HAS_IOMEM
 222         select CLKSRC_OF
 223         help
 224           Enables the clocksource for the Pistachio SoC.
 225
 226 config CLKSRC_TI_32K
 227         bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
 228         depends on GENERIC_SCHED_CLOCK
 229         select CLKSRC_OF if OF
 230         help
 231           This option enables support for Texas Instruments 32.768 Hz clocksource
 232           available on many OMAP-like platforms.
 233
 234 config CLKSRC_NPS
 235         bool "NPS400 clocksource driver" if COMPILE_TEST
 236         depends on !PHYS_ADDR_T_64BIT
 237         select CLKSRC_MMIO
 238         select CLKSRC_OF if OF
 239         help
 240           NPS400 clocksource support.
 241           Got 64 bit counter with update rate up to 1000MHz.
 242           This counter is accessed via couple of 32 bit memory mapped registers.
 243
 244 config CLKSRC_STM32
 245         bool "Clocksource for STM32 SoCs" if !ARCH_STM32
 246         depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
 247         select CLKSRC_MMIO
 248
 249 config CLKSRC_MPS2
 250         bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
 251         depends on GENERIC_SCHED_CLOCK
 252         select CLKSRC_MMIO
 253         select CLKSRC_OF
 254
 255 config ARM_ARCH_TIMER
 256         bool
 257         select CLKSRC_OF if OF
 258         select CLKSRC_ACPI if ACPI
 259
 260 config ARM_ARCH_TIMER_EVTSTREAM
 261         bool "Support for ARM architected timer event stream generation"
 262         default y if ARM_ARCH_TIMER
 263         depends on ARM_ARCH_TIMER
 264         help
 265           This option enables support for event stream generation based on
 266           the ARM architected timer. It is used for waking up CPUs executing
 267           the wfe instruction at a frequency represented as a power-of-2
 268           divisor of the clock rate.
 269           The main use of the event stream is wfe-based timeouts of userspace
 270           locking implementations. It might also be useful for imposing timeout
 271           on wfe to safeguard against any programming errors in case an expected
 272           event is not generated.
 273           This must be disabled for hardware validation purposes to detect any
 274           hardware anomalies of missing events.
 275
 276 config ARM_GLOBAL_TIMER
 277         bool
 278         select CLKSRC_OF if OF
 279         help
 280           This options enables support for the ARM global timer unit
 281
 282 config ARM_TIMER_SP804
 283         bool "Support for Dual Timer SP804 module"
 284         depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
 285         select CLKSRC_MMIO
 286         select CLKSRC_OF if OF
 287
 288 config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
 289         bool
 290         depends on ARM_GLOBAL_TIMER
 291         default y
 292         help
 293          Use ARM global timer clock source as sched_clock
 294
 295 config ARMV7M_SYSTICK
 296         bool "Support for the ARMv7M system time" if COMPILE_TEST
 297         select CLKSRC_OF if OF
 298         select CLKSRC_MMIO
 299         help
 300           This options enables support for the ARMv7M system timer unit
 301
 302 config ATMEL_PIT
 303         select CLKSRC_OF if OF
 304         def_bool SOC_AT91SAM9 || SOC_SAMA5
 305
 306 config ATMEL_ST
 307         bool
 308         select CLKSRC_OF
 309         select MFD_SYSCON
 310
 311 config CLKSRC_METAG_GENERIC
 312         def_bool y if METAG
 313         help
 314           This option enables support for the Meta per-thread timers.
 315
 316 config CLKSRC_EXYNOS_MCT
 317         bool "Exynos multi core timer driver" if COMPILE_TEST
 318         depends on ARM
 319         help
 320           Support for Multi Core Timer controller on Exynos SoCs.
 321
 322 config CLKSRC_SAMSUNG_PWM
 323         bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
 324         depends on GENERIC_CLOCKEVENTS
 325         depends on HAS_IOMEM
 326         help
 327           This is a new clocksource driver for the PWM timer found in
 328           Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
 329           for all devicetree enabled platforms. This driver will be
 330           needed only on systems that do not have the Exynos MCT available.
 331
 332 config FSL_FTM_TIMER
 333         bool "Freescale FlexTimer Module driver" if COMPILE_TEST
 334         depends on GENERIC_CLOCKEVENTS
 335         depends on HAS_IOMEM
 336         select CLKSRC_MMIO
 337         help
 338           Support for Freescale FlexTimer Module (FTM) timer.
 339
 340 config VF_PIT_TIMER
 341         bool
 342         select CLKSRC_MMIO
 343         help
 344           Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
 345
 346 config OXNAS_RPS_TIMER
 347         bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
 348         depends on GENERIC_CLOCKEVENTS
 349         select CLKSRC_OF
 350         select CLKSRC_MMIO
 351         help
 352           This enables support for the Oxford Semiconductor OXNAS RPS timers.
 353
 354 config SYS_SUPPORTS_SH_CMT
 355         bool
 356
 357 config MTK_TIMER
 358         bool "Mediatek timer driver" if COMPILE_TEST
 359         depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
 360         select CLKSRC_OF
 361         select CLKSRC_MMIO
 362         help
 363           Support for Mediatek timer driver.
 364
 365 config SYS_SUPPORTS_SH_MTU2
 366         bool
 367
 368 config SYS_SUPPORTS_SH_TMU
 369         bool
 370
 371 config SYS_SUPPORTS_EM_STI
 372         bool
 373
 374 config SH_TIMER_CMT
 375         bool "Renesas CMT timer driver" if COMPILE_TEST
 376         depends on GENERIC_CLOCKEVENTS
 377         depends on HAS_IOMEM
 378         default SYS_SUPPORTS_SH_CMT
 379         help
 380           This enables build of a clocksource and clockevent driver for
 381           the Compare Match Timer (CMT) hardware available in 16/32/48-bit
 382           variants on a wide range of Mobile and Automotive SoCs from Renesas.
 383
 384 config SH_TIMER_MTU2
 385         bool "Renesas MTU2 timer driver" if COMPILE_TEST
 386         depends on GENERIC_CLOCKEVENTS
 387         depends on HAS_IOMEM
 388         default SYS_SUPPORTS_SH_MTU2
 389         help
 390           This enables build of a clockevent driver for the Multi-Function
 391           Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
 392           This hardware comes with 16 bit-timer registers.
 393
 394 config SH_TIMER_TMU
 395         bool "Renesas TMU timer driver" if COMPILE_TEST
 396         depends on GENERIC_CLOCKEVENTS
 397         depends on HAS_IOMEM
 398         default SYS_SUPPORTS_SH_TMU
 399         help
 400           This enables build of a clocksource and clockevent driver for
 401           the 32-bit Timer Unit (TMU) hardware available on a wide range
 402           SoCs from Renesas.
 403
 404 config EM_TIMER_STI
 405         bool "Renesas STI timer driver" if COMPILE_TEST
 406         depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
 407         default SYS_SUPPORTS_EM_STI
 408         help
 409           This enables build of a clocksource and clockevent driver for
 410           the 48-bit System Timer (STI) hardware available on a SoCs
 411           such as EMEV2 from former NEC Electronics.
 412
 413 config CLKSRC_QCOM
 414         bool "Qualcomm MSM timer" if COMPILE_TEST
 415         depends on ARM
 416         select CLKSRC_OF
 417         help
 418           This enables the clocksource and the per CPU clockevent driver for the
 419           Qualcomm SoCs.
 420
 421 config CLKSRC_VERSATILE
 422         bool "ARM Versatile (Express) reference platforms clock source"
 423         depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
 424         select CLKSRC_OF
 425         default y if MFD_VEXPRESS_SYSREG
 426         help
 427           This option enables clock source based on free running
 428           counter available in the "System Registers" block of
 429           ARM Versatile, RealView and Versatile Express reference
 430           platforms.
 431
 432 config CLKSRC_MIPS_GIC
 433         bool
 434         depends on MIPS_GIC
 435         select CLKSRC_OF
 436
 437 config CLKSRC_TANGO_XTAL
 438         bool "Clocksource for Tango SoC" if COMPILE_TEST
 439         depends on ARM
 440         select CLKSRC_OF
 441         select CLKSRC_MMIO
 442         help
 443           This enables the clocksource for Tango SoC
 444
 445 config CLKSRC_PXA
 446         bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
 447         depends on GENERIC_CLOCKEVENTS
 448         depends on HAS_IOMEM
 449         select CLKSRC_MMIO
 450         help
 451           This enables OST0 support available on PXA and SA-11x0
 452           platforms.
 453
 454 config H8300_TMR8
 455         bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
 456         depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
 457         help
 458           This enables the 8 bits timer for the H8300 platform.
 459
 460 config H8300_TMR16
 461         bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
 462         depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
 463         help
 464           This enables the 16 bits timer for the H8300 platform with the
 465           H83069 cpu.
 466
 467 config H8300_TPU
 468         bool "Clocksource for the H8300 platform" if COMPILE_TEST
 469         depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
 470         help
 471           This enables the clocksource for the H8300 platform with the
 472           H8S2678 cpu.
 473
 474 config CLKSRC_IMX_GPT
 475         bool "Clocksource using i.MX GPT" if COMPILE_TEST
 476         depends on ARM && CLKDEV_LOOKUP
 477         select CLKSRC_MMIO
 478
 479 config CLKSRC_ST_LPC
 480         bool "Low power clocksource found in the LPC" if COMPILE_TEST
 481         select CLKSRC_OF if OF
 482         depends on HAS_IOMEM
 483         select CLKSRC_MMIO
 484         help
 485           Enable this option to use the Low Power controller timer
 486           as clocksource.
 487
 488 endmenu