Kconfig 16.2 KB
Newer Older
J
Jean Delvare 已提交
1
menu "Clock Source drivers"
2
	depends on !ARCH_USES_GETTIMEOFFSET
J
Jean Delvare 已提交
3

4 5
config CLKSRC_OF
	bool
6 7
	select CLKSRC_PROBE

8 9 10 11
config CLKEVT_OF
	bool
	select CLKEVT_PROBE

12 13 14 15 16 17
config CLKSRC_ACPI
	bool
	select CLKSRC_PROBE

config CLKSRC_PROBE
	bool
18

19 20 21
config CLKEVT_PROBE
	bool

22 23
config CLKSRC_I8253
	bool
24

25 26 27
config CLKEVT_I8253
	bool

28 29 30 31
config I8253_LOCK
	bool

config CLKBLD_I8253
32
	def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
33

34 35
config CLKSRC_MMIO
	bool
36

37 38 39 40 41 42 43
config BCM2835_TIMER
	bool "BCM2835 timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables the support for the BCM2835 timer driver.

44 45 46 47 48 49 50
config BCM_KONA_TIMER
	bool "BCM mobile timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables the support for the BCM Kona mobile timer driver.

51
config DIGICOLOR_TIMER
52
	bool "Digicolor timer driver" if COMPILE_TEST
53
	depends on GENERIC_CLOCKEVENTS
54
	select CLKSRC_MMIO
55
	depends on HAS_IOMEM
56 57
	help
	  Enables the support for the digicolor timer driver.
58

59
config DW_APB_TIMER
60
	bool "DW APB timer driver" if COMPILE_TEST
61
	depends on GENERIC_CLOCKEVENTS
62 63
	help
	  Enables the support for the dw_apb timer.
64

65 66
config DW_APB_TIMER_OF
	bool
67
	select DW_APB_TIMER
68
	select CLKSRC_OF
69

70 71
config FTTMR010_TIMER
	bool "Faraday Technology timer driver" if COMPILE_TEST
72 73 74 75 76 77
	depends on GENERIC_CLOCKEVENTS
	depends on HAS_IOMEM
	select CLKSRC_MMIO
	select CLKSRC_OF
	select MFD_SYSCON
	help
78 79
	  Enables support for the Faraday Technology timer block
	  FTTMR010.
80

81
config ROCKCHIP_TIMER
82 83
	bool "Rockchip timer driver" if COMPILE_TEST
	depends on ARM || ARM64
84
	select CLKSRC_OF
85
	select CLKSRC_MMIO
86 87
	help
	  Enables the support for the rockchip timer driver.
88

89
config ARMADA_370_XP_TIMER
90 91
	bool "Armada 370 and XP timer driver" if COMPILE_TEST
	depends on ARM
92
	select CLKSRC_OF
93
	select CLKSRC_MMIO
94 95
	help
	  Enables the support for the Armada 370 and XP timer driver.
96

97
config MESON6_TIMER
98
	bool "Meson6 timer driver" if COMPILE_TEST
99
	depends on GENERIC_CLOCKEVENTS
100
	select CLKSRC_MMIO
101 102
	help
	  Enables the support for the Meson6 timer driver.
103

104
config ORION_TIMER
105 106
	bool "Orion timer driver" if COMPILE_TEST
	depends on ARM
107 108
	select CLKSRC_OF
	select CLKSRC_MMIO
109 110
	help
	  Enables the support for the Orion timer driver
111

112
config SUN4I_TIMER
113
	bool "Sun4i timer driver" if COMPILE_TEST
114
	depends on GENERIC_CLOCKEVENTS
115
	depends on HAS_IOMEM
116
	select CLKSRC_MMIO
117 118
	help
	  Enables support for the Sun4i timer.
119

120
config SUN5I_HSTIMER
121
	bool "Sun5i timer driver" if COMPILE_TEST
122
	select CLKSRC_MMIO
123 124 125
	depends on COMMON_CLK
	help
	  Enables support the Sun5i timer.
126

127
config TEGRA_TIMER
128
	bool "Tegra timer driver" if COMPILE_TEST
129
	select CLKSRC_MMIO
130 131 132
	depends on ARM
	help
	  Enables support for the Tegra driver.
133

134
config VT8500_TIMER
135
	bool "VT8500 timer driver" if COMPILE_TEST
136
	depends on GENERIC_CLOCKEVENTS
137
	depends on HAS_IOMEM
138 139
	help
	  Enables support for the VT8500 driver.
140

141
config CADENCE_TTC_TIMER
142 143 144 145
	bool "Cadence TTC timer driver" if COMPILE_TEST
	depends on COMMON_CLK
	help
	  Enables support for the cadence ttc driver.
146

147
config ASM9260_TIMER
148
	bool "ASM9260 timer driver" if COMPILE_TEST
149
	depends on GENERIC_CLOCKEVENTS
150 151
	select CLKSRC_MMIO
	select CLKSRC_OF
152 153
	help
	  Enables support for the ASM9260 timer.
154

155
config CLKSRC_NOMADIK_MTU
156 157
	bool "Nomakdik clocksource driver" if COMPILE_TEST
	depends on ARM
158 159 160 161 162 163 164 165 166 167 168 169
	select CLKSRC_MMIO
	help
	  Support for Multi Timer Unit. MTU provides access
	  to multiple interrupt generating programmable
	  32-bit free running decrementing counters.

config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
	bool
	depends on CLKSRC_NOMADIK_MTU
	help
	  Use the Multi Timer Unit as the sched_clock.

170
config CLKSRC_DBX500_PRCMU
171
	bool "Clocksource PRCMU Timer" if COMPILE_TEST
172
	depends on GENERIC_CLOCKEVENTS
173
	depends on HAS_IOMEM
174 175 176
	help
	  Use the always on PRCMU Timer as clocksource

177 178 179 180 181 182 183
config CLPS711X_TIMER
	bool "Cirrus logic timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables support for the Cirrus Logic PS711 timer.

184 185 186 187 188 189 190
config ATLAS7_TIMER
	bool "Atlas7 timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables support for the Atlas7 timer.

191 192 193 194 195 196 197
config MOXART_TIMER
	bool "Moxart timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables support for the Moxart timer.

198 199 200 201 202 203 204 205
config MXS_TIMER
	bool "Mxs timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	select STMP_DEVICE
	help
	  Enables support for the Mxs timer.

206 207 208 209 210 211 212
config PRIMA2_TIMER
	bool "Prima2 timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables support for the Prima2 timer.

213 214 215 216 217 218 219 220
config U300_TIMER
	bool "U300 timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	depends on ARM
	select CLKSRC_MMIO
	help
	  Enables support for the U300 timer.

221 222 223 224 225 226 227
config NSPIRE_TIMER
	bool "NSpire timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables support for the Nspire timer.

228 229 230 231 232 233 234 235
config KEYSTONE_TIMER
	bool "Keystone timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	depends on ARM || ARM64
	select CLKSRC_MMIO
	help
	  Enables support for the Keystone timer.

236 237 238 239 240 241 242
config INTEGRATOR_AP_TIMER
	bool "Integrator-ap timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables support for the Integrator-ap timer.

243 244
config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
	bool "Clocksource PRCMU Timer sched_clock"
245
	depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
246 247 248
	default y
	help
	  Use the always on PRCMU Timer as sched_clock
M
Marc Zyngier 已提交
249

250 251 252
config CLKSRC_EFM32
	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
	depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
253
	select CLKSRC_MMIO
254 255 256 257 258
	default ARCH_EFM32
	help
	  Support to use the timers of EFM32 SoCs as clock source and clock
	  event device.

259
config CLKSRC_LPC32XX
260
	bool "Clocksource for LPC32XX" if COMPILE_TEST
261
	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
262
	depends on ARM
263 264
	select CLKSRC_MMIO
	select CLKSRC_OF
265 266
	help
	  Support for the LPC32XX clocksource.
267

268
config CLKSRC_PISTACHIO
269
	bool "Clocksource for Pistachio SoC" if COMPILE_TEST
270
	depends on HAS_IOMEM
271
	select CLKSRC_OF
272 273
	help
	  Enables the clocksource for the Pistachio SoC.
274

275 276
config CLKSRC_TI_32K
	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
277
	depends on GENERIC_SCHED_CLOCK
278 279 280 281 282
	select CLKSRC_OF if OF
	help
	  This option enables support for Texas Instruments 32.768 Hz clocksource
	  available on many OMAP-like platforms.

283 284 285 286 287 288 289 290 291 292
config CLKSRC_NPS
	bool "NPS400 clocksource driver" if COMPILE_TEST
	depends on !PHYS_ADDR_T_64BIT
	select CLKSRC_MMIO
	select CLKSRC_OF if OF
	help
	  NPS400 clocksource support.
	  Got 64 bit counter with update rate up to 1000MHz.
	  This counter is accessed via couple of 32 bit memory mapped registers.

293
config CLKSRC_STM32
294 295
	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
296 297
	select CLKSRC_MMIO

298 299 300 301 302 303
config CLKSRC_MPS2
	bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
	depends on GENERIC_SCHED_CLOCK
	select CLKSRC_MMIO
	select CLKSRC_OF

304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323
config ARC_TIMERS
	bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_OF
	help
	  These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
	  (ARC700 as well as ARC HS38).
	  TIMER0 serves as clockevent while TIMER1 provides clocksource

config ARC_TIMERS_64BIT
	bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	depends on ARC_TIMERS
	select CLKSRC_OF
	help
	  This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP)
	  RTC is implemented inside the core, while GFRC sits outside the core in
	  ARConnect IP block. Driver automatically picks one of them for clocksource
	  as appropriate.

324 325
config ARM_ARCH_TIMER
	bool
326
	select CLKSRC_OF if OF
327
	select CLKSRC_ACPI if ACPI
J
James Hogan 已提交
328

329
config ARM_ARCH_TIMER_EVTSTREAM
330
	bool "Enable ARM architected timer event stream generation by default"
331
	default y if ARM_ARCH_TIMER
332
	depends on ARM_ARCH_TIMER
333
	help
334 335 336 337 338 339
	  This option enables support by default for event stream generation
	  based on the ARM architected timer. It is used for waking up CPUs
	  executing the wfe instruction at a frequency represented as a
	  power-of-2 divisor of the clock rate. The behaviour can also be
	  overridden on the command line using the
	  clocksource.arm_arch_timer.evtstream parameter.
340 341 342 343 344 345 346
	  The main use of the event stream is wfe-based timeouts of userspace
	  locking implementations. It might also be useful for imposing timeout
	  on wfe to safeguard against any programming errors in case an expected
	  event is not generated.
	  This must be disabled for hardware validation purposes to detect any
	  hardware anomalies of missing events.

347 348 349
config ARM_ARCH_TIMER_OOL_WORKAROUND
	bool

350 351 352 353
config FSL_ERRATUM_A008585
	bool "Workaround for Freescale/NXP Erratum A-008585"
	default y
	depends on ARM_ARCH_TIMER && ARM64
354
	select ARM_ARCH_TIMER_OOL_WORKAROUND
355 356 357 358 359 360
	help
	  This option enables a workaround for Freescale/NXP Erratum
	  A-008585 ("ARM generic timer may contain an erroneous
	  value").  The workaround will only be active if the
	  fsl,erratum-a008585 property is found in the timer node.

361 362 363 364 365 366 367 368 369 370
config HISILICON_ERRATUM_161010101
	bool "Workaround for Hisilicon Erratum 161010101"
	default y
	select ARM_ARCH_TIMER_OOL_WORKAROUND
	depends on ARM_ARCH_TIMER && ARM64
	help
	  This option enables a workaround for Hisilicon Erratum
	  161010101. The workaround will be active if the hisilicon,erratum-161010101
	  property is found in the timer node.

371 372 373 374 375 376 377 378 379 380 381
config ARM64_ERRATUM_858921
	bool "Workaround for Cortex-A73 erratum 858921"
	default y
	select ARM_ARCH_TIMER_OOL_WORKAROUND
	depends on ARM_ARCH_TIMER && ARM64
	help
	  This option enables a workaround applicable to Cortex-A73
	  (all versions), whose counter may return incorrect values.
	  The workaround will be dynamically enabled when an affected
	  core is detected.

382
config ARM_GLOBAL_TIMER
383
	bool "Support for the ARM global timer" if COMPILE_TEST
384
	select CLKSRC_OF if OF
385
	depends on ARM
386 387 388
	help
	  This options enables support for the ARM global timer unit

389 390
config ARM_TIMER_SP804
	bool "Support for Dual Timer SP804 module"
391
	depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
392 393 394
	select CLKSRC_MMIO
	select CLKSRC_OF if OF

395 396 397 398 399 400 401
config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
	bool
	depends on ARM_GLOBAL_TIMER
	default y
	help
	 Use ARM global timer clock source as sched_clock

402
config ARMV7M_SYSTICK
403
	bool "Support for the ARMv7M system time" if COMPILE_TEST
404 405 406 407 408
	select CLKSRC_OF if OF
	select CLKSRC_MMIO
	help
	  This options enables support for the ARMv7M system timer unit

409 410 411 412
config ATMEL_PIT
	select CLKSRC_OF if OF
	def_bool SOC_AT91SAM9 || SOC_SAMA5

413
config ATMEL_ST
414 415
	bool "Atmel ST timer support" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
416
	select CLKSRC_OF
417
	select MFD_SYSCON
418 419
	help
	  Support for the Atmel ST timer.
420

J
James Hogan 已提交
421 422 423 424
config CLKSRC_METAG_GENERIC
	def_bool y if METAG
	help
	  This option enables support for the Meta per-thread timers.
425 426

config CLKSRC_EXYNOS_MCT
427
	bool "Exynos multi core timer driver" if COMPILE_TEST
428
	depends on ARM || ARM64
429 430
	help
	  Support for Multi Core Timer controller on Exynos SoCs.
431

432
config CLKSRC_SAMSUNG_PWM
433
	bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
434
	depends on GENERIC_CLOCKEVENTS
435
	depends on HAS_IOMEM
436 437 438 439 440
	help
	  This is a new clocksource driver for the PWM timer found in
	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
	  for all devicetree enabled platforms. This driver will be
	  needed only on systems that do not have the Exynos MCT available.
441

442
config FSL_FTM_TIMER
443
	bool "Freescale FlexTimer Module driver" if COMPILE_TEST
444
	depends on GENERIC_CLOCKEVENTS
445
	depends on HAS_IOMEM
446
	select CLKSRC_MMIO
447 448 449
	help
	  Support for Freescale FlexTimer Module (FTM) timer.

450 451
config VF_PIT_TIMER
	bool
452
	select CLKSRC_MMIO
453 454
	help
	  Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
455

456 457 458 459 460 461 462 463
config OXNAS_RPS_TIMER
	bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_OF
	select CLKSRC_MMIO
	help
	  This enables support for the Oxford Semiconductor OXNAS RPS timers.

464 465 466
config SYS_SUPPORTS_SH_CMT
        bool

467
config MTK_TIMER
468
	bool "Mediatek timer driver" if COMPILE_TEST
469
	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
470 471
	select CLKSRC_OF
	select CLKSRC_MMIO
472 473
	help
	  Support for Mediatek timer driver.
474

475 476 477 478 479 480 481 482 483
config SYS_SUPPORTS_SH_MTU2
        bool

config SYS_SUPPORTS_SH_TMU
        bool

config SYS_SUPPORTS_EM_STI
        bool

484 485 486 487 488 489 490 491 492 493
config CLKSRC_JCORE_PIT
	bool "J-Core PIT timer driver" if COMPILE_TEST
	depends on OF
	depends on GENERIC_CLOCKEVENTS
	depends on HAS_IOMEM
	select CLKSRC_MMIO
	help
	  This enables build of clocksource and clockevent driver for
	  the integrated PIT in the J-Core synthesizable, open source SoC.

494 495
config SH_TIMER_CMT
	bool "Renesas CMT timer driver" if COMPILE_TEST
496
	depends on GENERIC_CLOCKEVENTS
497
	depends on HAS_IOMEM
498 499 500 501 502 503 504 505
	default SYS_SUPPORTS_SH_CMT
	help
	  This enables build of a clocksource and clockevent driver for
	  the Compare Match Timer (CMT) hardware available in 16/32/48-bit
	  variants on a wide range of Mobile and Automotive SoCs from Renesas.

config SH_TIMER_MTU2
	bool "Renesas MTU2 timer driver" if COMPILE_TEST
506
	depends on GENERIC_CLOCKEVENTS
507
	depends on HAS_IOMEM
508 509 510
	default SYS_SUPPORTS_SH_MTU2
	help
	  This enables build of a clockevent driver for the Multi-Function
511
	  Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
512 513
	  This hardware comes with 16 bit-timer registers.

514 515 516 517 518 519 520
config RENESAS_OSTM
	bool "Renesas OSTM timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	select CLKSRC_MMIO
	help
	  Enables the support for the Renesas OSTM.

521 522
config SH_TIMER_TMU
	bool "Renesas TMU timer driver" if COMPILE_TEST
523
	depends on GENERIC_CLOCKEVENTS
524
	depends on HAS_IOMEM
525 526 527 528 529 530 531 532
	default SYS_SUPPORTS_SH_TMU
	help
	  This enables build of a clocksource and clockevent driver for
	  the 32-bit Timer Unit (TMU) hardware available on a wide range
	  SoCs from Renesas.

config EM_TIMER_STI
	bool "Renesas STI timer driver" if COMPILE_TEST
533
	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
534 535 536 537 538
	default SYS_SUPPORTS_EM_STI
	help
	  This enables build of a clocksource and clockevent driver for
	  the 48-bit System Timer (STI) hardware available on a SoCs
	  such as EMEV2 from former NEC Electronics.
539

540
config CLKSRC_QCOM
541 542 543 544 545 546
	bool "Qualcomm MSM timer" if COMPILE_TEST
	depends on ARM
	select CLKSRC_OF
	help
	  This enables the clocksource and the per CPU clockevent driver for the
	  Qualcomm SoCs.
547 548

config CLKSRC_VERSATILE
549 550
	bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
	depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
551 552 553 554 555 556 557
	select CLKSRC_OF
	default y if MFD_VEXPRESS_SYSREG
	help
	  This option enables clock source based on free running
	  counter available in the "System Registers" block of
	  ARM Versatile, RealView and Versatile Express reference
	  platforms.
J
Jean Delvare 已提交
558

559 560 561
config CLKSRC_MIPS_GIC
	bool
	depends on MIPS_GIC
562
	select CLKSRC_OF
563

564
config CLKSRC_TANGO_XTAL
565 566
	bool "Clocksource for Tango SoC" if COMPILE_TEST
	depends on ARM
567
	select CLKSRC_OF
568
	select CLKSRC_MMIO
569 570
	help
	  This enables the clocksource for Tango SoC
571

572
config CLKSRC_PXA
573 574
	bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
575
	depends on HAS_IOMEM
576
	select CLKSRC_MMIO
577 578 579
	help
	  This enables OST0 support available on PXA and SA-11x0
	  platforms.
Y
Yoshinori Sato 已提交
580

581
config H8300_TMR8
582
        bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
583
        depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
584 585
	help
	  This enables the 8 bits timer for the H8300 platform.
586

Y
Yoshinori Sato 已提交
587
config H8300_TMR16
588
        bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
589
        depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
590 591 592
	help
	  This enables the 16 bits timer for the H8300 platform with the
	  H83069 cpu.
Y
Yoshinori Sato 已提交
593 594

config H8300_TPU
595
        bool "Clocksource for the H8300 platform" if COMPILE_TEST
596
        depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
597 598 599
	help
	  This enables the clocksource for the H8300 platform with the
	  H8S2678 cpu.
Y
Yoshinori Sato 已提交
600

601 602 603 604 605
config CLKSRC_IMX_GPT
	bool "Clocksource using i.MX GPT" if COMPILE_TEST
	depends on ARM && CLKDEV_LOOKUP
	select CLKSRC_MMIO

606
config CLKSRC_ST_LPC
607
	bool "Low power clocksource found in the LPC" if COMPILE_TEST
608
	select CLKSRC_OF if OF
609
	depends on HAS_IOMEM
610
	select CLKSRC_MMIO
611 612 613 614
	help
	  Enable this option to use the Low Power controller timer
	  as clocksource.

J
Jean Delvare 已提交
615
endmenu