Loading...
1# SPDX-License-Identifier: GPL-2.0-only
2menu "Clock Source drivers"
3 depends on GENERIC_CLOCKEVENTS
4
5config TIMER_OF
6 bool
7 select TIMER_PROBE
8
9config TIMER_ACPI
10 bool
11 select TIMER_PROBE
12
13config TIMER_PROBE
14 bool
15
16config CLKSRC_I8253
17 bool
18
19config CLKEVT_I8253
20 bool
21
22config I8253_LOCK
23 bool
24
25config OMAP_DM_SYSTIMER
26 bool
27 select TIMER_OF
28
29config CLKBLD_I8253
30 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
31
32config CLKSRC_MMIO
33 bool
34
35config BCM2835_TIMER
36 bool "BCM2835 timer driver" if COMPILE_TEST
37 select CLKSRC_MMIO
38 help
39 Enables the support for the BCM2835 timer driver.
40
41config BCM_KONA_TIMER
42 bool "BCM mobile timer driver" if COMPILE_TEST
43 select CLKSRC_MMIO
44 help
45 Enables the support for the BCM Kona mobile timer driver.
46
47config DAVINCI_TIMER
48 bool "Texas Instruments DaVinci timer driver" if COMPILE_TEST
49 help
50 Enables the support for the TI DaVinci timer driver.
51
52config DIGICOLOR_TIMER
53 bool "Digicolor timer driver" if COMPILE_TEST
54 select CLKSRC_MMIO
55 depends on HAS_IOMEM
56 help
57 Enables the support for the digicolor timer driver.
58
59config OMAP_DM_TIMER
60 bool "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST
61 default y if ARCH_K3
62 select TIMER_OF
63 help
64 Enables the support for the TI dual-mode timer driver.
65
66config DW_APB_TIMER
67 bool "DW APB timer driver" if COMPILE_TEST
68 help
69 Enables the support for the dw_apb timer.
70
71config DW_APB_TIMER_OF
72 bool
73 select DW_APB_TIMER
74 select TIMER_OF
75
76config FTTMR010_TIMER
77 bool "Faraday Technology timer driver" if COMPILE_TEST
78 depends on HAS_IOMEM
79 select CLKSRC_MMIO
80 select TIMER_OF
81 select MFD_SYSCON
82 help
83 Enables support for the Faraday Technology timer block
84 FTTMR010.
85
86config IXP4XX_TIMER
87 bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST
88 depends on HAS_IOMEM
89 select CLKSRC_MMIO
90 select TIMER_OF
91 help
92 Enables support for the Intel XScale IXP4xx SoC timer.
93
94config ROCKCHIP_TIMER
95 bool "Rockchip timer driver" if COMPILE_TEST
96 depends on ARM || ARM64
97 select TIMER_OF
98 select CLKSRC_MMIO
99 help
100 Enables the support for the Rockchip timer driver.
101
102config ARMADA_370_XP_TIMER
103 bool "Armada 370 and XP timer driver" if COMPILE_TEST
104 depends on ARM
105 select TIMER_OF
106 select CLKSRC_MMIO
107 help
108 Enables the support for the Armada 370 and XP timer driver.
109
110config MESON6_TIMER
111 bool "Meson6 timer driver" if COMPILE_TEST
112 select CLKSRC_MMIO
113 help
114 Enables the support for the Meson6 timer driver.
115
116config ORION_TIMER
117 bool "Orion timer driver" if COMPILE_TEST
118 depends on ARM
119 select TIMER_OF
120 select CLKSRC_MMIO
121 help
122 Enables the support for the Orion timer driver
123
124config OWL_TIMER
125 bool "Owl timer driver" if COMPILE_TEST
126 select CLKSRC_MMIO
127 help
128 Enables the support for the Actions Semi Owl timer driver.
129
130config RDA_TIMER
131 bool "RDA timer driver" if COMPILE_TEST
132 select CLKSRC_MMIO
133 select TIMER_OF
134 help
135 Enables the support for the RDA Micro timer driver.
136
137config SUN4I_TIMER
138 bool "Sun4i timer driver" if COMPILE_TEST
139 depends on HAS_IOMEM
140 select CLKSRC_MMIO
141 select TIMER_OF
142 help
143 Enables support for the Sun4i timer.
144
145config SUN5I_HSTIMER
146 bool "Sun5i timer driver" if COMPILE_TEST
147 select CLKSRC_MMIO
148 depends on COMMON_CLK
149 help
150 Enables support the Sun5i timer.
151
152config TEGRA_TIMER
153 bool "Tegra timer driver" if COMPILE_TEST
154 select CLKSRC_MMIO
155 select TIMER_OF
156 depends on ARCH_TEGRA || COMPILE_TEST
157 help
158 Enables support for the Tegra driver.
159
160config TEGRA186_TIMER
161 bool "NVIDIA Tegra186 timer driver"
162 depends on ARCH_TEGRA || COMPILE_TEST
163 depends on WATCHDOG && WATCHDOG_CORE
164 help
165 Enables support for the timers and watchdogs found on NVIDIA
166 Tegra186 and later SoCs.
167
168config VT8500_TIMER
169 bool "VT8500 timer driver" if COMPILE_TEST
170 depends on HAS_IOMEM
171 help
172 Enables support for the VT8500 driver.
173
174config NPCM7XX_TIMER
175 bool "NPCM7xx timer driver" if COMPILE_TEST
176 depends on HAS_IOMEM
177 select TIMER_OF
178 select CLKSRC_MMIO
179 help
180 Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
181 where TIMER0 serves as clockevent and TIMER1 serves as clocksource.
182
183config CADENCE_TTC_TIMER
184 bool "Cadence TTC timer driver" if COMPILE_TEST
185 depends on COMMON_CLK
186 help
187 Enables support for the Cadence TTC driver.
188
189config ASM9260_TIMER
190 bool "ASM9260 timer driver" if COMPILE_TEST
191 select CLKSRC_MMIO
192 select TIMER_OF
193 help
194 Enables support for the ASM9260 timer.
195
196config CLKSRC_NOMADIK_MTU
197 bool "Nomakdik clocksource driver" if COMPILE_TEST
198 depends on ARM
199 select CLKSRC_MMIO
200 help
201 Support for Multi Timer Unit. MTU provides access
202 to multiple interrupt generating programmable
203 32-bit free running decrementing counters.
204
205config CLKSRC_DBX500_PRCMU
206 bool "Clocksource PRCMU Timer" if COMPILE_TEST
207 depends on HAS_IOMEM
208 help
209 Use the always on PRCMU Timer as clocksource.
210
211config CLPS711X_TIMER
212 bool "Cirrus Logic timer driver" if COMPILE_TEST
213 select CLKSRC_MMIO
214 help
215 Enables support for the Cirrus Logic PS711 timer.
216
217config MXS_TIMER
218 bool "MXS timer driver" if COMPILE_TEST
219 select CLKSRC_MMIO
220 select STMP_DEVICE
221 help
222 Enables support for the MXS timer.
223
224config NSPIRE_TIMER
225 bool "NSpire timer driver" if COMPILE_TEST
226 select CLKSRC_MMIO
227 help
228 Enables support for the Nspire timer.
229
230config KEYSTONE_TIMER
231 bool "Keystone timer driver" if COMPILE_TEST
232 depends on ARM || ARM64
233 select CLKSRC_MMIO
234 help
235 Enables support for the Keystone timer.
236
237config INTEGRATOR_AP_TIMER
238 bool "Integrator-AP timer driver" if COMPILE_TEST
239 select CLKSRC_MMIO
240 help
241 Enables support for the Integrator-AP timer.
242
243config CLKSRC_LPC32XX
244 bool "Clocksource for LPC32XX" if COMPILE_TEST
245 depends on HAS_IOMEM
246 depends on ARM
247 select CLKSRC_MMIO
248 select TIMER_OF
249 help
250 Support for the LPC32XX clocksource.
251
252config CLKSRC_PISTACHIO
253 bool "Clocksource for Pistachio SoC"
254 depends on HAS_IOMEM
255 depends on MIPS || COMPILE_TEST
256 select TIMER_OF
257 help
258 Enables the clocksource for the Pistachio SoC.
259
260config CLKSRC_TI_32K
261 bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
262 depends on GENERIC_SCHED_CLOCK
263 select TIMER_OF if OF
264 help
265 This option enables support for Texas Instruments 32.768 Hz clocksource
266 available on many OMAP-like platforms.
267
268config CLKSRC_STM32
269 bool "Clocksource for STM32 SoCs" if !ARCH_STM32
270 depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
271 select CLKSRC_MMIO
272 select TIMER_OF
273
274config CLKSRC_STM32_LP
275 bool "Low power clocksource for STM32 SoCs"
276 depends on MFD_STM32_LPTIMER || COMPILE_TEST
277
278config CLKSRC_MPS2
279 bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
280 depends on GENERIC_SCHED_CLOCK
281 select CLKSRC_MMIO
282 select TIMER_OF
283
284config ARC_TIMERS
285 bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
286 depends on GENERIC_SCHED_CLOCK
287 select TIMER_OF
288 help
289 These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
290 (ARC700 as well as ARC HS38).
291 TIMER0 serves as clockevent while TIMER1 provides clocksource.
292
293config ARC_TIMERS_64BIT
294 bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
295 depends on ARC_TIMERS
296 select TIMER_OF
297 help
298 This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP).
299 RTC is implemented inside the core, while GFRC sits outside the core in
300 ARConnect IP block. Driver automatically picks one of them for clocksource
301 as appropriate.
302
303config ARM_ARCH_TIMER
304 bool
305 select TIMER_OF if OF
306 select TIMER_ACPI if ACPI
307
308config ARM_ARCH_TIMER_EVTSTREAM
309 bool "Enable ARM architected timer event stream generation by default"
310 default y if ARM_ARCH_TIMER
311 depends on ARM_ARCH_TIMER
312 help
313 This option enables support by default for event stream generation
314 based on the ARM architected timer. It is used for waking up CPUs
315 executing the wfe instruction at a frequency represented as a
316 power-of-2 divisor of the clock rate. The behaviour can also be
317 overridden on the command line using the
318 clocksource.arm_arch_timer.evtstream parameter.
319 The main use of the event stream is wfe-based timeouts of userspace
320 locking implementations. It might also be useful for imposing timeout
321 on wfe to safeguard against any programming errors in case an expected
322 event is not generated.
323 This must be disabled for hardware validation purposes to detect any
324 hardware anomalies of missing events.
325
326config ARM_ARCH_TIMER_OOL_WORKAROUND
327 bool
328
329config FSL_ERRATUM_A008585
330 bool "Workaround for Freescale/NXP Erratum A-008585"
331 default y
332 depends on ARM_ARCH_TIMER && ARM64
333 select ARM_ARCH_TIMER_OOL_WORKAROUND
334 help
335 This option enables a workaround for Freescale/NXP Erratum
336 A-008585 ("ARM generic timer may contain an erroneous
337 value"). The workaround will only be active if the
338 fsl,erratum-a008585 property is found in the timer node.
339
340config HISILICON_ERRATUM_161010101
341 bool "Workaround for Hisilicon Erratum 161010101"
342 default y
343 select ARM_ARCH_TIMER_OOL_WORKAROUND
344 depends on ARM_ARCH_TIMER && ARM64
345 help
346 This option enables a workaround for Hisilicon Erratum
347 161010101. The workaround will be active if the hisilicon,erratum-161010101
348 property is found in the timer node.
349
350config ARM64_ERRATUM_858921
351 bool "Workaround for Cortex-A73 erratum 858921"
352 default y
353 select ARM_ARCH_TIMER_OOL_WORKAROUND
354 depends on ARM_ARCH_TIMER && ARM64
355 help
356 This option enables a workaround applicable to Cortex-A73
357 (all versions), whose counter may return incorrect values.
358 The workaround will be dynamically enabled when an affected
359 core is detected.
360
361config SUN50I_ERRATUM_UNKNOWN1
362 bool "Workaround for Allwinner A64 erratum UNKNOWN1"
363 default y
364 depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI
365 select ARM_ARCH_TIMER_OOL_WORKAROUND
366 help
367 This option enables a workaround for instability in the timer on
368 the Allwinner A64 SoC. The workaround will only be active if the
369 allwinner,erratum-unknown1 property is found in the timer node.
370
371config ARM_GLOBAL_TIMER
372 bool "Support for the ARM global timer" if COMPILE_TEST
373 select TIMER_OF if OF
374 depends on ARM
375 help
376 This option enables support for the ARM global timer unit.
377
378config ARM_GT_INITIAL_PRESCALER_VAL
379 int "ARM global timer initial prescaler value"
380 default 2 if ARCH_ZYNQ
381 default 1
382 depends on ARM_GLOBAL_TIMER
383 help
384 When the ARM global timer initializes, its current rate is declared
385 to the kernel and maintained forever. Should its parent clock
386 change, the driver tries to fix the timer's internal prescaler.
387 On some machs (i.e. Zynq) the initial prescaler value thus poses
388 bounds about how much the parent clock is allowed to decrease or
389 increase wrt the initial clock value.
390 This affects CPU_FREQ max delta from the initial frequency.
391
392config ARM_TIMER_SP804
393 bool "Support for Dual Timer SP804 module" if COMPILE_TEST
394 depends on GENERIC_SCHED_CLOCK && HAVE_CLK
395 select CLKSRC_MMIO
396 select TIMER_OF if OF
397
398config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
399 bool
400 depends on ARM_GLOBAL_TIMER
401 default y
402 help
403 Use ARM global timer clock source as sched_clock.
404
405config ARMV7M_SYSTICK
406 bool "Support for the ARMv7M system time" if COMPILE_TEST
407 select TIMER_OF if OF
408 select CLKSRC_MMIO
409 help
410 This option enables support for the ARMv7M system timer unit.
411
412config ATMEL_PIT
413 bool "Atmel PIT support" if COMPILE_TEST
414 depends on HAS_IOMEM
415 select TIMER_OF if OF
416 help
417 Support for the Periodic Interval Timer found on Atmel SoCs.
418
419config ATMEL_ST
420 bool "Atmel ST timer support" if COMPILE_TEST
421 depends on HAS_IOMEM
422 select TIMER_OF
423 select MFD_SYSCON
424 help
425 Support for the Atmel ST timer.
426
427config ATMEL_TCB_CLKSRC
428 bool "Atmel TC Block timer driver" if COMPILE_TEST
429 depends on ARM && HAS_IOMEM
430 select TIMER_OF if OF
431 help
432 Support for Timer Counter Blocks on Atmel SoCs.
433
434config CLKSRC_EXYNOS_MCT
435 bool "Exynos multi core timer driver" if COMPILE_TEST
436 depends on ARM || ARM64
437 depends on ARCH_ARTPEC || ARCH_EXYNOS || COMPILE_TEST
438 help
439 Support for Multi Core Timer controller on Exynos SoCs.
440
441config CLKSRC_SAMSUNG_PWM
442 bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
443 depends on HAS_IOMEM
444 depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
445 help
446 This is a new clocksource driver for the PWM timer found in
447 Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
448 for all devicetree enabled platforms. This driver will be
449 needed only on systems that do not have the Exynos MCT available.
450
451config FSL_FTM_TIMER
452 bool "Freescale FlexTimer Module driver" if COMPILE_TEST
453 depends on HAS_IOMEM
454 select CLKSRC_MMIO
455 help
456 Support for Freescale FlexTimer Module (FTM) timer.
457
458config VF_PIT_TIMER
459 bool
460 select CLKSRC_MMIO
461 help
462 Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs.
463
464config OXNAS_RPS_TIMER
465 bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
466 select TIMER_OF
467 select CLKSRC_MMIO
468 help
469 This enables support for the Oxford Semiconductor OXNAS RPS timers.
470
471config SYS_SUPPORTS_SH_CMT
472 bool
473
474config MTK_TIMER
475 bool "Mediatek timer driver" if COMPILE_TEST
476 depends on HAS_IOMEM
477 select TIMER_OF
478 select CLKSRC_MMIO
479 help
480 Support for Mediatek timer driver.
481
482config SPRD_TIMER
483 bool "Spreadtrum timer driver" if EXPERT
484 depends on HAS_IOMEM
485 depends on (ARCH_SPRD || COMPILE_TEST)
486 default ARCH_SPRD
487 select TIMER_OF
488 help
489 Enables support for the Spreadtrum timer driver.
490
491config SYS_SUPPORTS_SH_MTU2
492 bool
493
494config SYS_SUPPORTS_SH_TMU
495 bool
496
497config SYS_SUPPORTS_EM_STI
498 bool
499
500config CLKSRC_JCORE_PIT
501 bool "J-Core PIT timer driver" if COMPILE_TEST
502 depends on OF
503 depends on HAS_IOMEM
504 select CLKSRC_MMIO
505 help
506 This enables build of clocksource and clockevent driver for
507 the integrated PIT in the J-Core synthesizable, open source SoC.
508
509config SH_TIMER_CMT
510 bool "Renesas CMT timer driver" if COMPILE_TEST
511 depends on HAS_IOMEM
512 default SYS_SUPPORTS_SH_CMT
513 help
514 This enables build of a clocksource and clockevent driver for
515 the Compare Match Timer (CMT) hardware available in 16/32/48-bit
516 variants on a wide range of Mobile and Automotive SoCs from Renesas.
517
518config SH_TIMER_MTU2
519 bool "Renesas MTU2 timer driver" if COMPILE_TEST
520 depends on HAS_IOMEM
521 default SYS_SUPPORTS_SH_MTU2
522 help
523 This enables build of a clockevent driver for the Multi-Function
524 Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
525 This hardware comes with 16-bit timer registers.
526
527config RENESAS_OSTM
528 bool "Renesas OSTM timer driver"
529 depends on ARCH_RENESAS || COMPILE_TEST
530 select CLKSRC_MMIO
531 select TIMER_OF
532 help
533 Enables the support for the Renesas OSTM.
534
535config SH_TIMER_TMU
536 bool "Renesas TMU timer driver" if COMPILE_TEST
537 depends on HAS_IOMEM
538 default SYS_SUPPORTS_SH_TMU
539 help
540 This enables build of a clocksource and clockevent driver for
541 the 32-bit Timer Unit (TMU) hardware available on a wide range
542 SoCs from Renesas.
543
544config EM_TIMER_STI
545 bool "Renesas STI timer driver" if COMPILE_TEST
546 depends on HAS_IOMEM
547 default SYS_SUPPORTS_EM_STI
548 help
549 This enables build of a clocksource and clockevent driver for
550 the 48-bit System Timer (STI) hardware available on a SoCs
551 such as EMEV2 from former NEC Electronics.
552
553config CLKSRC_QCOM
554 bool "Qualcomm MSM timer" if COMPILE_TEST
555 depends on ARM
556 select TIMER_OF
557 help
558 This enables the clocksource and the per CPU clockevent driver for the
559 Qualcomm SoCs.
560
561config CLKSRC_VERSATILE
562 bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
563 depends on GENERIC_SCHED_CLOCK
564 select TIMER_OF
565 default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM
566 help
567 This option enables clock source based on free running
568 counter available in the "System Registers" block of
569 ARM Versatile and Versatile Express reference platforms.
570
571config CLKSRC_MIPS_GIC
572 bool
573 depends on MIPS_GIC
574 select CLOCKSOURCE_WATCHDOG
575 select TIMER_OF
576
577config CLKSRC_PXA
578 bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
579 depends on HAS_IOMEM
580 select CLKSRC_MMIO
581 help
582 This enables OST0 support available on PXA and SA-11x0
583 platforms.
584
585config CLKSRC_IMX_GPT
586 bool "Clocksource using i.MX GPT" if COMPILE_TEST
587 depends on (ARM || ARM64) && HAVE_CLK
588 select CLKSRC_MMIO
589
590config CLKSRC_IMX_TPM
591 bool "Clocksource using i.MX TPM" if COMPILE_TEST
592 depends on (ARM || ARM64) && HAVE_CLK
593 select CLKSRC_MMIO
594 select TIMER_OF
595 help
596 Enable this option to use IMX Timer/PWM Module (TPM) timer as
597 clocksource.
598
599config TIMER_IMX_SYS_CTR
600 bool "i.MX system counter timer" if COMPILE_TEST
601 select TIMER_OF
602 help
603 Enable this option to use i.MX system counter timer as a
604 clockevent.
605
606config CLKSRC_ST_LPC
607 bool "Low power clocksource found in the LPC" if COMPILE_TEST
608 select TIMER_OF if OF
609 depends on HAS_IOMEM
610 select CLKSRC_MMIO
611 help
612 Enable this option to use the Low Power controller timer
613 as clocksource.
614
615config GXP_TIMER
616 bool "GXP timer driver" if COMPILE_TEST && !ARCH_HPE
617 default ARCH_HPE
618 select TIMER_OF if OF
619 help
620 Provides a driver for the timer control found on HPE
621 GXP SOCs. This is required for all GXP SOCs.
622
623config RISCV_TIMER
624 bool "Timer for the RISC-V platform" if COMPILE_TEST
625 depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI
626 select TIMER_PROBE
627 select TIMER_OF
628 help
629 This enables the per-hart timer built into all RISC-V systems, which
630 is accessed via both the SBI and the rdcycle instruction. This is
631 required for all RISC-V systems.
632
633config CLINT_TIMER
634 bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST
635 depends on GENERIC_SCHED_CLOCK && RISCV
636 select TIMER_PROBE
637 select TIMER_OF
638 help
639 This option enables the CLINT timer for RISC-V systems. The CLINT
640 driver is usually used for NoMMU RISC-V systems.
641
642config CSKY_MP_TIMER
643 bool "SMP Timer for the C-SKY platform" if COMPILE_TEST
644 depends on CSKY
645 select TIMER_OF
646 help
647 Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP
648 system.
649 csky,mptimer is not only used in SMP system, it also could be used in
650 single core system. It's not a mmio reg and it uses mtcr/mfcr instruction.
651
652config GX6605S_TIMER
653 bool "Gx6605s SOC system timer driver" if COMPILE_TEST
654 depends on CSKY
655 select CLKSRC_MMIO
656 select TIMER_OF
657 help
658 This option enables support for gx6605s SOC's timer.
659
660config MILBEAUT_TIMER
661 bool "Milbeaut timer driver" if COMPILE_TEST
662 depends on OF
663 depends on ARM
664 select TIMER_OF
665 select CLKSRC_MMIO
666 help
667 Enables the support for Milbeaut timer driver.
668
669config MSC313E_TIMER
670 bool "MSC313E timer driver" if COMPILE_TEST
671 select TIMER_OF
672 select CLKSRC_MMIO
673 help
674 Enables support for the MStar MSC313E timer driver.
675 This provides access to multiple interrupt generating
676 programmable 32-bit free running incrementing counters.
677
678config INGENIC_TIMER
679 bool "Clocksource/timer using the TCU in Ingenic JZ SoCs"
680 default MACH_INGENIC
681 depends on MIPS || COMPILE_TEST
682 depends on COMMON_CLK
683 select MFD_SYSCON
684 select TIMER_OF
685 select IRQ_DOMAIN
686 help
687 Support for the timer/counter unit of the Ingenic JZ SoCs.
688
689config INGENIC_SYSOST
690 bool "Clocksource/timer using the SYSOST in Ingenic X SoCs"
691 depends on MIPS || COMPILE_TEST
692 depends on COMMON_CLK
693 select MFD_SYSCON
694 select TIMER_OF
695 select IRQ_DOMAIN
696 help
697 Support for the SYSOST of the Ingenic X Series SoCs.
698
699config INGENIC_OST
700 bool "Clocksource using the OST in Ingenic JZ SoCs"
701 depends on MIPS || COMPILE_TEST
702 depends on COMMON_CLK
703 select MFD_SYSCON
704 help
705 Support for the Operating System Timer of the Ingenic JZ SoCs.
706
707config MICROCHIP_PIT64B
708 bool "Microchip PIT64B support"
709 depends on OF || COMPILE_TEST
710 select TIMER_OF
711 help
712 This option enables Microchip PIT64B timer for Atmel
713 based system. It supports the oneshot, the periodic
714 modes and high resolution. It is used as a clocksource
715 and a clockevent.
716
717config GOLDFISH_TIMER
718 bool "Clocksource using goldfish-rtc"
719 depends on M68K || COMPILE_TEST
720 depends on RTC_DRV_GOLDFISH
721 help
722 Support for the timer/counter of goldfish-rtc
723
724endmenu
1# SPDX-License-Identifier: GPL-2.0-only
2menu "Clock Source drivers"
3 depends on GENERIC_CLOCKEVENTS
4
5config TIMER_OF
6 bool
7 select TIMER_PROBE
8
9config TIMER_ACPI
10 bool
11 select TIMER_PROBE
12
13config TIMER_PROBE
14 bool
15
16config CLKSRC_I8253
17 bool
18
19config CLKEVT_I8253
20 bool
21
22config I8253_LOCK
23 bool
24
25config OMAP_DM_TIMER
26 bool
27
28config CLKBLD_I8253
29 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
30
31config CLKSRC_MMIO
32 bool
33
34config BCM2835_TIMER
35 bool "BCM2835 timer driver" if COMPILE_TEST
36 select CLKSRC_MMIO
37 help
38 Enables the support for the BCM2835 timer driver.
39
40config BCM_KONA_TIMER
41 bool "BCM mobile timer driver" if COMPILE_TEST
42 select CLKSRC_MMIO
43 help
44 Enables the support for the BCM Kona mobile timer driver.
45
46config DAVINCI_TIMER
47 bool "Texas Instruments DaVinci timer driver" if COMPILE_TEST
48 help
49 Enables the support for the TI DaVinci timer driver.
50
51config DIGICOLOR_TIMER
52 bool "Digicolor timer driver" if COMPILE_TEST
53 select CLKSRC_MMIO
54 depends on HAS_IOMEM
55 help
56 Enables the support for the digicolor timer driver.
57
58config DW_APB_TIMER
59 bool "DW APB timer driver" if COMPILE_TEST
60 help
61 Enables the support for the dw_apb timer.
62
63config DW_APB_TIMER_OF
64 bool
65 select DW_APB_TIMER
66 select TIMER_OF
67
68config FTTMR010_TIMER
69 bool "Faraday Technology timer driver" if COMPILE_TEST
70 depends on HAS_IOMEM
71 select CLKSRC_MMIO
72 select TIMER_OF
73 select MFD_SYSCON
74 help
75 Enables support for the Faraday Technology timer block
76 FTTMR010.
77
78config IXP4XX_TIMER
79 bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST
80 depends on HAS_IOMEM
81 select CLKSRC_MMIO
82 select TIMER_OF if OF
83 help
84 Enables support for the Intel XScale IXP4xx SoC timer.
85
86config ROCKCHIP_TIMER
87 bool "Rockchip timer driver" if COMPILE_TEST
88 depends on ARM || ARM64
89 select TIMER_OF
90 select CLKSRC_MMIO
91 help
92 Enables the support for the Rockchip timer driver.
93
94config ARMADA_370_XP_TIMER
95 bool "Armada 370 and XP timer driver" if COMPILE_TEST
96 depends on ARM
97 select TIMER_OF
98 select CLKSRC_MMIO
99 help
100 Enables the support for the Armada 370 and XP timer driver.
101
102config MESON6_TIMER
103 bool "Meson6 timer driver" if COMPILE_TEST
104 select CLKSRC_MMIO
105 help
106 Enables the support for the Meson6 timer driver.
107
108config ORION_TIMER
109 bool "Orion timer driver" if COMPILE_TEST
110 depends on ARM
111 select TIMER_OF
112 select CLKSRC_MMIO
113 help
114 Enables the support for the Orion timer driver
115
116config OWL_TIMER
117 bool "Owl timer driver" if COMPILE_TEST
118 select CLKSRC_MMIO
119 help
120 Enables the support for the Actions Semi Owl timer driver.
121
122config RDA_TIMER
123 bool "RDA timer driver" if COMPILE_TEST
124 select CLKSRC_MMIO
125 select TIMER_OF
126 help
127 Enables the support for the RDA Micro timer driver.
128
129config SUN4I_TIMER
130 bool "Sun4i timer driver" if COMPILE_TEST
131 depends on HAS_IOMEM
132 select CLKSRC_MMIO
133 select TIMER_OF
134 help
135 Enables support for the Sun4i timer.
136
137config SUN5I_HSTIMER
138 bool "Sun5i timer driver" if COMPILE_TEST
139 select CLKSRC_MMIO
140 depends on COMMON_CLK
141 help
142 Enables support the Sun5i timer.
143
144config TEGRA_TIMER
145 bool "Tegra timer driver" if COMPILE_TEST
146 select CLKSRC_MMIO
147 select TIMER_OF
148 depends on ARCH_TEGRA || COMPILE_TEST
149 help
150 Enables support for the Tegra driver.
151
152config VT8500_TIMER
153 bool "VT8500 timer driver" if COMPILE_TEST
154 depends on HAS_IOMEM
155 help
156 Enables support for the VT8500 driver.
157
158config NPCM7XX_TIMER
159 bool "NPCM7xx timer driver" if COMPILE_TEST
160 depends on HAS_IOMEM
161 select TIMER_OF
162 select CLKSRC_MMIO
163 help
164 Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
165 where TIMER0 serves as clockevent and TIMER1 serves as clocksource.
166
167config CADENCE_TTC_TIMER
168 bool "Cadence TTC timer driver" if COMPILE_TEST
169 depends on COMMON_CLK
170 help
171 Enables support for the Cadence TTC driver.
172
173config ASM9260_TIMER
174 bool "ASM9260 timer driver" if COMPILE_TEST
175 select CLKSRC_MMIO
176 select TIMER_OF
177 help
178 Enables support for the ASM9260 timer.
179
180config CLKSRC_NOMADIK_MTU
181 bool "Nomakdik clocksource driver" if COMPILE_TEST
182 depends on ARM
183 select CLKSRC_MMIO
184 help
185 Support for Multi Timer Unit. MTU provides access
186 to multiple interrupt generating programmable
187 32-bit free running decrementing counters.
188
189config CLKSRC_DBX500_PRCMU
190 bool "Clocksource PRCMU Timer" if COMPILE_TEST
191 depends on HAS_IOMEM
192 help
193 Use the always on PRCMU Timer as clocksource.
194
195config CLPS711X_TIMER
196 bool "Cirrus Logic timer driver" if COMPILE_TEST
197 select CLKSRC_MMIO
198 help
199 Enables support for the Cirrus Logic PS711 timer.
200
201config MXS_TIMER
202 bool "MXS timer driver" if COMPILE_TEST
203 select CLKSRC_MMIO
204 select STMP_DEVICE
205 help
206 Enables support for the MXS timer.
207
208config NSPIRE_TIMER
209 bool "NSpire timer driver" if COMPILE_TEST
210 select CLKSRC_MMIO
211 help
212 Enables support for the Nspire timer.
213
214config KEYSTONE_TIMER
215 bool "Keystone timer driver" if COMPILE_TEST
216 depends on ARM || ARM64
217 select CLKSRC_MMIO
218 help
219 Enables support for the Keystone timer.
220
221config INTEGRATOR_AP_TIMER
222 bool "Integrator-AP timer driver" if COMPILE_TEST
223 select CLKSRC_MMIO
224 help
225 Enables support for the Integrator-AP timer.
226
227config CLKSRC_LPC32XX
228 bool "Clocksource for LPC32XX" if COMPILE_TEST
229 depends on HAS_IOMEM
230 depends on ARM
231 select CLKSRC_MMIO
232 select TIMER_OF
233 help
234 Support for the LPC32XX clocksource.
235
236config CLKSRC_PISTACHIO
237 bool "Clocksource for Pistachio SoC" if COMPILE_TEST
238 depends on HAS_IOMEM
239 select TIMER_OF
240 help
241 Enables the clocksource for the Pistachio SoC.
242
243config CLKSRC_TI_32K
244 bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
245 depends on GENERIC_SCHED_CLOCK
246 select TIMER_OF if OF
247 help
248 This option enables support for Texas Instruments 32.768 Hz clocksource
249 available on many OMAP-like platforms.
250
251config CLKSRC_STM32
252 bool "Clocksource for STM32 SoCs" if !ARCH_STM32
253 depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
254 select CLKSRC_MMIO
255 select TIMER_OF
256
257config CLKSRC_STM32_LP
258 bool "Low power clocksource for STM32 SoCs"
259 depends on MFD_STM32_LPTIMER || COMPILE_TEST
260
261config CLKSRC_MPS2
262 bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
263 depends on GENERIC_SCHED_CLOCK
264 select CLKSRC_MMIO
265 select TIMER_OF
266
267config ARC_TIMERS
268 bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
269 depends on GENERIC_SCHED_CLOCK
270 select TIMER_OF
271 help
272 These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
273 (ARC700 as well as ARC HS38).
274 TIMER0 serves as clockevent while TIMER1 provides clocksource.
275
276config ARC_TIMERS_64BIT
277 bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
278 depends on ARC_TIMERS
279 select TIMER_OF
280 help
281 This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP).
282 RTC is implemented inside the core, while GFRC sits outside the core in
283 ARConnect IP block. Driver automatically picks one of them for clocksource
284 as appropriate.
285
286config ARM_ARCH_TIMER
287 bool
288 select TIMER_OF if OF
289 select TIMER_ACPI if ACPI
290
291config ARM_ARCH_TIMER_EVTSTREAM
292 bool "Enable ARM architected timer event stream generation by default"
293 default y if ARM_ARCH_TIMER
294 depends on ARM_ARCH_TIMER
295 help
296 This option enables support by default for event stream generation
297 based on the ARM architected timer. It is used for waking up CPUs
298 executing the wfe instruction at a frequency represented as a
299 power-of-2 divisor of the clock rate. The behaviour can also be
300 overridden on the command line using the
301 clocksource.arm_arch_timer.evtstream parameter.
302 The main use of the event stream is wfe-based timeouts of userspace
303 locking implementations. It might also be useful for imposing timeout
304 on wfe to safeguard against any programming errors in case an expected
305 event is not generated.
306 This must be disabled for hardware validation purposes to detect any
307 hardware anomalies of missing events.
308
309config ARM_ARCH_TIMER_OOL_WORKAROUND
310 bool
311
312config FSL_ERRATUM_A008585
313 bool "Workaround for Freescale/NXP Erratum A-008585"
314 default y
315 depends on ARM_ARCH_TIMER && ARM64
316 select ARM_ARCH_TIMER_OOL_WORKAROUND
317 help
318 This option enables a workaround for Freescale/NXP Erratum
319 A-008585 ("ARM generic timer may contain an erroneous
320 value"). The workaround will only be active if the
321 fsl,erratum-a008585 property is found in the timer node.
322
323config HISILICON_ERRATUM_161010101
324 bool "Workaround for Hisilicon Erratum 161010101"
325 default y
326 select ARM_ARCH_TIMER_OOL_WORKAROUND
327 depends on ARM_ARCH_TIMER && ARM64
328 help
329 This option enables a workaround for Hisilicon Erratum
330 161010101. The workaround will be active if the hisilicon,erratum-161010101
331 property is found in the timer node.
332
333config ARM64_ERRATUM_858921
334 bool "Workaround for Cortex-A73 erratum 858921"
335 default y
336 select ARM_ARCH_TIMER_OOL_WORKAROUND
337 depends on ARM_ARCH_TIMER && ARM64
338 help
339 This option enables a workaround applicable to Cortex-A73
340 (all versions), whose counter may return incorrect values.
341 The workaround will be dynamically enabled when an affected
342 core is detected.
343
344config SUN50I_ERRATUM_UNKNOWN1
345 bool "Workaround for Allwinner A64 erratum UNKNOWN1"
346 default y
347 depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI
348 select ARM_ARCH_TIMER_OOL_WORKAROUND
349 help
350 This option enables a workaround for instability in the timer on
351 the Allwinner A64 SoC. The workaround will only be active if the
352 allwinner,erratum-unknown1 property is found in the timer node.
353
354config ARM_GLOBAL_TIMER
355 bool "Support for the ARM global timer" if COMPILE_TEST
356 select TIMER_OF if OF
357 depends on ARM
358 help
359 This option enables support for the ARM global timer unit.
360
361config ARM_GT_INITIAL_PRESCALER_VAL
362 int "ARM global timer initial prescaler value"
363 default 2 if ARCH_ZYNQ
364 default 1
365 depends on ARM_GLOBAL_TIMER
366 help
367 When the ARM global timer initializes, its current rate is declared
368 to the kernel and maintained forever. Should it's parent clock
369 change, the driver tries to fix the timer's internal prescaler.
370 On some machs (i.e. Zynq) the initial prescaler value thus poses
371 bounds about how much the parent clock is allowed to decrease or
372 increase wrt the initial clock value.
373 This affects CPU_FREQ max delta from the initial frequency.
374
375config ARM_TIMER_SP804
376 bool "Support for Dual Timer SP804 module" if COMPILE_TEST
377 depends on GENERIC_SCHED_CLOCK && HAVE_CLK
378 select CLKSRC_MMIO
379 select TIMER_OF if OF
380
381config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
382 bool
383 depends on ARM_GLOBAL_TIMER
384 default y
385 help
386 Use ARM global timer clock source as sched_clock.
387
388config ARMV7M_SYSTICK
389 bool "Support for the ARMv7M system time" if COMPILE_TEST
390 select TIMER_OF if OF
391 select CLKSRC_MMIO
392 help
393 This option enables support for the ARMv7M system timer unit.
394
395config ATMEL_PIT
396 bool "Atmel PIT support" if COMPILE_TEST
397 depends on HAS_IOMEM
398 select TIMER_OF if OF
399 help
400 Support for the Periodic Interval Timer found on Atmel SoCs.
401
402config ATMEL_ST
403 bool "Atmel ST timer support" if COMPILE_TEST
404 depends on HAS_IOMEM
405 select TIMER_OF
406 select MFD_SYSCON
407 help
408 Support for the Atmel ST timer.
409
410config ATMEL_TCB_CLKSRC
411 bool "Atmel TC Block timer driver" if COMPILE_TEST
412 depends on ARM && HAS_IOMEM
413 select TIMER_OF if OF
414 help
415 Support for Timer Counter Blocks on Atmel SoCs.
416
417config CLKSRC_EXYNOS_MCT
418 bool "Exynos multi core timer driver" if COMPILE_TEST
419 depends on ARM || ARM64
420 help
421 Support for Multi Core Timer controller on Exynos SoCs.
422
423config CLKSRC_SAMSUNG_PWM
424 bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
425 depends on HAS_IOMEM
426 help
427 This is a new clocksource driver for the PWM timer found in
428 Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
429 for all devicetree enabled platforms. This driver will be
430 needed only on systems that do not have the Exynos MCT available.
431
432config FSL_FTM_TIMER
433 bool "Freescale FlexTimer Module driver" if COMPILE_TEST
434 depends on HAS_IOMEM
435 select CLKSRC_MMIO
436 help
437 Support for Freescale FlexTimer Module (FTM) timer.
438
439config VF_PIT_TIMER
440 bool
441 select CLKSRC_MMIO
442 help
443 Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs.
444
445config OXNAS_RPS_TIMER
446 bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
447 select TIMER_OF
448 select CLKSRC_MMIO
449 help
450 This enables support for the Oxford Semiconductor OXNAS RPS timers.
451
452config SYS_SUPPORTS_SH_CMT
453 bool
454
455config MTK_TIMER
456 bool "Mediatek timer driver" if COMPILE_TEST
457 depends on HAS_IOMEM
458 select TIMER_OF
459 select CLKSRC_MMIO
460 help
461 Support for Mediatek timer driver.
462
463config SPRD_TIMER
464 bool "Spreadtrum timer driver" if EXPERT
465 depends on HAS_IOMEM
466 depends on (ARCH_SPRD || COMPILE_TEST)
467 default ARCH_SPRD
468 select TIMER_OF
469 help
470 Enables support for the Spreadtrum timer driver.
471
472config SYS_SUPPORTS_SH_MTU2
473 bool
474
475config SYS_SUPPORTS_SH_TMU
476 bool
477
478config SYS_SUPPORTS_EM_STI
479 bool
480
481config CLKSRC_JCORE_PIT
482 bool "J-Core PIT timer driver" if COMPILE_TEST
483 depends on OF
484 depends on HAS_IOMEM
485 select CLKSRC_MMIO
486 help
487 This enables build of clocksource and clockevent driver for
488 the integrated PIT in the J-Core synthesizable, open source SoC.
489
490config SH_TIMER_CMT
491 bool "Renesas CMT timer driver" if COMPILE_TEST
492 depends on HAS_IOMEM
493 default SYS_SUPPORTS_SH_CMT
494 help
495 This enables build of a clocksource and clockevent driver for
496 the Compare Match Timer (CMT) hardware available in 16/32/48-bit
497 variants on a wide range of Mobile and Automotive SoCs from Renesas.
498
499config SH_TIMER_MTU2
500 bool "Renesas MTU2 timer driver" if COMPILE_TEST
501 depends on HAS_IOMEM
502 default SYS_SUPPORTS_SH_MTU2
503 help
504 This enables build of a clockevent driver for the Multi-Function
505 Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
506 This hardware comes with 16-bit timer registers.
507
508config RENESAS_OSTM
509 bool "Renesas OSTM timer driver" if COMPILE_TEST
510 select CLKSRC_MMIO
511 select TIMER_OF
512 help
513 Enables the support for the Renesas OSTM.
514
515config SH_TIMER_TMU
516 bool "Renesas TMU timer driver" if COMPILE_TEST
517 depends on HAS_IOMEM
518 default SYS_SUPPORTS_SH_TMU
519 help
520 This enables build of a clocksource and clockevent driver for
521 the 32-bit Timer Unit (TMU) hardware available on a wide range
522 SoCs from Renesas.
523
524config EM_TIMER_STI
525 bool "Renesas STI timer driver" if COMPILE_TEST
526 depends on HAS_IOMEM
527 default SYS_SUPPORTS_EM_STI
528 help
529 This enables build of a clocksource and clockevent driver for
530 the 48-bit System Timer (STI) hardware available on a SoCs
531 such as EMEV2 from former NEC Electronics.
532
533config CLKSRC_QCOM
534 bool "Qualcomm MSM timer" if COMPILE_TEST
535 depends on ARM
536 select TIMER_OF
537 help
538 This enables the clocksource and the per CPU clockevent driver for the
539 Qualcomm SoCs.
540
541config CLKSRC_VERSATILE
542 bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
543 depends on GENERIC_SCHED_CLOCK
544 select TIMER_OF
545 default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM
546 help
547 This option enables clock source based on free running
548 counter available in the "System Registers" block of
549 ARM Versatile and Versatile Express reference platforms.
550
551config CLKSRC_MIPS_GIC
552 bool
553 depends on MIPS_GIC
554 select CLOCKSOURCE_WATCHDOG
555 select TIMER_OF
556
557config CLKSRC_PXA
558 bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
559 depends on HAS_IOMEM
560 select CLKSRC_MMIO
561 help
562 This enables OST0 support available on PXA and SA-11x0
563 platforms.
564
565config H8300_TMR8
566 bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
567 depends on HAS_IOMEM
568 help
569 This enables the 8 bits timer for the H8300 platform.
570
571config H8300_TMR16
572 bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
573 depends on HAS_IOMEM
574 help
575 This enables the 16 bits timer for the H8300 platform with the
576 H83069 CPU.
577
578config H8300_TPU
579 bool "Clocksource for the H8300 platform" if COMPILE_TEST
580 depends on HAS_IOMEM
581 help
582 This enables the clocksource for the H8300 platform with the
583 H8S2678 CPU.
584
585config CLKSRC_IMX_GPT
586 bool "Clocksource using i.MX GPT" if COMPILE_TEST
587 depends on (ARM || ARM64) && HAVE_CLK
588 select CLKSRC_MMIO
589
590config CLKSRC_IMX_TPM
591 bool "Clocksource using i.MX TPM" if COMPILE_TEST
592 depends on (ARM || ARM64) && HAVE_CLK
593 select CLKSRC_MMIO
594 select TIMER_OF
595 help
596 Enable this option to use IMX Timer/PWM Module (TPM) timer as
597 clocksource.
598
599config TIMER_IMX_SYS_CTR
600 bool "i.MX system counter timer" if COMPILE_TEST
601 select TIMER_OF
602 help
603 Enable this option to use i.MX system counter timer as a
604 clockevent.
605
606config CLKSRC_ST_LPC
607 bool "Low power clocksource found in the LPC" if COMPILE_TEST
608 select TIMER_OF if OF
609 depends on HAS_IOMEM
610 select CLKSRC_MMIO
611 help
612 Enable this option to use the Low Power controller timer
613 as clocksource.
614
615config ATCPIT100_TIMER
616 bool "ATCPIT100 timer driver"
617 depends on NDS32 || COMPILE_TEST
618 depends on HAS_IOMEM
619 select TIMER_OF
620 default NDS32
621 help
622 This option enables support for the Andestech ATCPIT100 timers.
623
624config RISCV_TIMER
625 bool "Timer for the RISC-V platform" if COMPILE_TEST
626 depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI
627 select TIMER_PROBE
628 select TIMER_OF
629 help
630 This enables the per-hart timer built into all RISC-V systems, which
631 is accessed via both the SBI and the rdcycle instruction. This is
632 required for all RISC-V systems.
633
634config CLINT_TIMER
635 bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST
636 depends on GENERIC_SCHED_CLOCK && RISCV
637 select TIMER_PROBE
638 select TIMER_OF
639 help
640 This option enables the CLINT timer for RISC-V systems. The CLINT
641 driver is usually used for NoMMU RISC-V systems.
642
643config CSKY_MP_TIMER
644 bool "SMP Timer for the C-SKY platform" if COMPILE_TEST
645 depends on CSKY
646 select TIMER_OF
647 help
648 Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP
649 system.
650 csky,mptimer is not only used in SMP system, it also could be used in
651 single core system. It's not a mmio reg and it uses mtcr/mfcr instruction.
652
653config GX6605S_TIMER
654 bool "Gx6605s SOC system timer driver" if COMPILE_TEST
655 depends on CSKY
656 select CLKSRC_MMIO
657 select TIMER_OF
658 help
659 This option enables support for gx6605s SOC's timer.
660
661config MILBEAUT_TIMER
662 bool "Milbeaut timer driver" if COMPILE_TEST
663 depends on OF
664 depends on ARM
665 select TIMER_OF
666 select CLKSRC_MMIO
667 help
668 Enables the support for Milbeaut timer driver.
669
670config INGENIC_TIMER
671 bool "Clocksource/timer using the TCU in Ingenic JZ SoCs"
672 default MACH_INGENIC
673 depends on MIPS || COMPILE_TEST
674 depends on COMMON_CLK
675 select MFD_SYSCON
676 select TIMER_OF
677 select IRQ_DOMAIN
678 help
679 Support for the timer/counter unit of the Ingenic JZ SoCs.
680
681config INGENIC_SYSOST
682 bool "Clocksource/timer using the SYSOST in Ingenic X SoCs"
683 depends on MIPS || COMPILE_TEST
684 depends on COMMON_CLK
685 select MFD_SYSCON
686 select TIMER_OF
687 select IRQ_DOMAIN
688 help
689 Support for the SYSOST of the Ingenic X Series SoCs.
690
691config INGENIC_OST
692 bool "Clocksource using the OST in Ingenic JZ SoCs"
693 depends on MIPS || COMPILE_TEST
694 depends on COMMON_CLK
695 select MFD_SYSCON
696 help
697 Support for the Operating System Timer of the Ingenic JZ SoCs.
698
699config MICROCHIP_PIT64B
700 bool "Microchip PIT64B support"
701 depends on OF || COMPILE_TEST
702 select CLKSRC_MMIO
703 select TIMER_OF
704 help
705 This option enables Microchip PIT64B timer for Atmel
706 based system. It supports the oneshot, the periodic
707 modes and high resolution. It is used as a clocksource
708 and a clockevent.
709
710endmenu