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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 ATLAS7_TIMER
202	bool "Atlas7 timer driver" if COMPILE_TEST
203	select CLKSRC_MMIO
204	help
205	  Enables support for the Atlas7 timer.
206
207config MXS_TIMER
208	bool "MXS timer driver" if COMPILE_TEST
209	select CLKSRC_MMIO
210	select STMP_DEVICE
211	help
212	  Enables support for the MXS timer.
213
214config PRIMA2_TIMER
215	bool "Prima2 timer driver" if COMPILE_TEST
216	select CLKSRC_MMIO
217	help
218	  Enables support for the Prima2 timer.
219
220config U300_TIMER
221	bool "U300 timer driver" if COMPILE_TEST
222	depends on ARM
223	select CLKSRC_MMIO
224	help
225	  Enables support for the U300 timer.
226
227config NSPIRE_TIMER
228	bool "NSpire timer driver" if COMPILE_TEST
229	select CLKSRC_MMIO
230	help
231	  Enables support for the Nspire timer.
232
233config KEYSTONE_TIMER
234	bool "Keystone timer driver" if COMPILE_TEST
235	depends on ARM || ARM64
236	select CLKSRC_MMIO
237	help
238	  Enables support for the Keystone timer.
239
240config INTEGRATOR_AP_TIMER
241	bool "Integrator-AP timer driver" if COMPILE_TEST
242	select CLKSRC_MMIO
243	help
244	  Enables support for the Integrator-AP timer.
245
246config CLKSRC_EFM32
247	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
248	depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
249	select CLKSRC_MMIO
250	default ARCH_EFM32
251	help
252	  Support to use the timers of EFM32 SoCs as clock source and clock
253	  event device.
254
255config CLKSRC_LPC32XX
256	bool "Clocksource for LPC32XX" if COMPILE_TEST
257	depends on HAS_IOMEM
258	depends on ARM
259	select CLKSRC_MMIO
260	select TIMER_OF
261	help
262	  Support for the LPC32XX clocksource.
263
264config CLKSRC_PISTACHIO
265	bool "Clocksource for Pistachio SoC" if COMPILE_TEST
266	depends on HAS_IOMEM
267	select TIMER_OF
268	help
269	  Enables the clocksource for the Pistachio SoC.
270
271config CLKSRC_TI_32K
272	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
273	depends on GENERIC_SCHED_CLOCK
274	select TIMER_OF if OF
275	help
276	  This option enables support for Texas Instruments 32.768 Hz clocksource
277	  available on many OMAP-like platforms.
278
279config CLKSRC_NPS
280	bool "NPS400 clocksource driver" if COMPILE_TEST
281	depends on !PHYS_ADDR_T_64BIT
282	select CLKSRC_MMIO
283	select TIMER_OF if OF
284	help
285	  NPS400 clocksource support.
286	  It has a 64-bit counter with update rate up to 1000MHz.
287	  This counter is accessed via couple of 32-bit memory-mapped registers.
288
289config CLKSRC_STM32
290	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
291	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
292	select CLKSRC_MMIO
293	select TIMER_OF
294
295config CLKSRC_STM32_LP
296	bool "Low power clocksource for STM32 SoCs"
297	depends on MFD_STM32_LPTIMER || COMPILE_TEST
298
299config CLKSRC_MPS2
300	bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
301	depends on GENERIC_SCHED_CLOCK
302	select CLKSRC_MMIO
303	select TIMER_OF
304
305config ARC_TIMERS
306	bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
307	depends on GENERIC_SCHED_CLOCK
308	select TIMER_OF
309	help
310	  These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
311	  (ARC700 as well as ARC HS38).
312	  TIMER0 serves as clockevent while TIMER1 provides clocksource.
313
314config ARC_TIMERS_64BIT
315	bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
316	depends on ARC_TIMERS
317	select TIMER_OF
318	help
319	  This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP).
320	  RTC is implemented inside the core, while GFRC sits outside the core in
321	  ARConnect IP block. Driver automatically picks one of them for clocksource
322	  as appropriate.
323
324config ARM_ARCH_TIMER
325	bool
326	select TIMER_OF if OF
327	select TIMER_ACPI if ACPI
328
329config 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	  This option enables support by default for event stream generation
335	  based on the ARM architected timer. It is used for waking up CPUs
336	  executing the wfe instruction at a frequency represented as a
337	  power-of-2 divisor of the clock rate. The behaviour can also be
338	  overridden on the command line using the
339	  clocksource.arm_arch_timer.evtstream parameter.
340	  The main use of the event stream is wfe-based timeouts of userspace
341	  locking implementations. It might also be useful for imposing timeout
342	  on wfe to safeguard against any programming errors in case an expected
343	  event is not generated.
344	  This must be disabled for hardware validation purposes to detect any
345	  hardware anomalies of missing events.
346
347config ARM_ARCH_TIMER_OOL_WORKAROUND
348	bool
349
350config FSL_ERRATUM_A008585
351	bool "Workaround for Freescale/NXP Erratum A-008585"
352	default y
353	depends on ARM_ARCH_TIMER && ARM64
354	select ARM_ARCH_TIMER_OOL_WORKAROUND
355	help
356	  This option enables a workaround for Freescale/NXP Erratum
357	  A-008585 ("ARM generic timer may contain an erroneous
358	  value").  The workaround will only be active if the
359	  fsl,erratum-a008585 property is found in the timer node.
360
361config HISILICON_ERRATUM_161010101
362	bool "Workaround for Hisilicon Erratum 161010101"
363	default y
364	select ARM_ARCH_TIMER_OOL_WORKAROUND
365	depends on ARM_ARCH_TIMER && ARM64
366	help
367	  This option enables a workaround for Hisilicon Erratum
368	  161010101. The workaround will be active if the hisilicon,erratum-161010101
369	  property is found in the timer node.
370
371config ARM64_ERRATUM_858921
372	bool "Workaround for Cortex-A73 erratum 858921"
373	default y
374	select ARM_ARCH_TIMER_OOL_WORKAROUND
375	depends on ARM_ARCH_TIMER && ARM64
376	help
377	  This option enables a workaround applicable to Cortex-A73
378	  (all versions), whose counter may return incorrect values.
379	  The workaround will be dynamically enabled when an affected
380	  core is detected.
381
382config SUN50I_ERRATUM_UNKNOWN1
383	bool "Workaround for Allwinner A64 erratum UNKNOWN1"
384	default y
385	depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI
386	select ARM_ARCH_TIMER_OOL_WORKAROUND
387	help
388	  This option enables a workaround for instability in the timer on
389	  the Allwinner A64 SoC. The workaround will only be active if the
390	  allwinner,erratum-unknown1 property is found in the timer node.
391
392config ARM_GLOBAL_TIMER
393	bool "Support for the ARM global timer" if COMPILE_TEST
394	select TIMER_OF if OF
395	depends on ARM
396	help
397	  This option enables support for the ARM global timer unit.
398
399config ARM_TIMER_SP804
400	bool "Support for Dual Timer SP804 module" if COMPILE_TEST
401	depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
402	select CLKSRC_MMIO
403	select TIMER_OF if OF
404
405config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
406	bool
407	depends on ARM_GLOBAL_TIMER
408	default y
409	help
410	  Use ARM global timer clock source as sched_clock.
411
412config ARMV7M_SYSTICK
413	bool "Support for the ARMv7M system time" if COMPILE_TEST
414	select TIMER_OF if OF
415	select CLKSRC_MMIO
416	help
417	  This option enables support for the ARMv7M system timer unit.
418
419config ATMEL_PIT
420	bool "Atmel PIT support" if COMPILE_TEST
421	depends on HAS_IOMEM
422	select TIMER_OF if OF
423	help
424	  Support for the Periodic Interval Timer found on Atmel SoCs.
425
426config ATMEL_ST
427	bool "Atmel ST timer support" if COMPILE_TEST
428	depends on HAS_IOMEM
429	select TIMER_OF
430	select MFD_SYSCON
431	help
432	  Support for the Atmel ST timer.
433
434config ATMEL_TCB_CLKSRC
435	bool "Atmel TC Block timer driver" if COMPILE_TEST
436	depends on ARM && HAS_IOMEM
437	select TIMER_OF if OF
438	help
439	  Support for Timer Counter Blocks on Atmel SoCs.
440
441config CLKSRC_EXYNOS_MCT
442	bool "Exynos multi core timer driver" if COMPILE_TEST
443	depends on ARM || ARM64
444	help
445	  Support for Multi Core Timer controller on Exynos SoCs.
446
447config CLKSRC_SAMSUNG_PWM
448	bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
449	depends on HAS_IOMEM
450	help
451	  This is a new clocksource driver for the PWM timer found in
452	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
453	  for all devicetree enabled platforms. This driver will be
454	  needed only on systems that do not have the Exynos MCT available.
455
456config FSL_FTM_TIMER
457	bool "Freescale FlexTimer Module driver" if COMPILE_TEST
458	depends on HAS_IOMEM
459	select CLKSRC_MMIO
460	help
461	  Support for Freescale FlexTimer Module (FTM) timer.
462
463config VF_PIT_TIMER
464	bool
465	select CLKSRC_MMIO
466	help
467	  Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs.
468
469config OXNAS_RPS_TIMER
470	bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
471	select TIMER_OF
472	select CLKSRC_MMIO
473	help
474	  This enables support for the Oxford Semiconductor OXNAS RPS timers.
475
476config SYS_SUPPORTS_SH_CMT
477	bool
478
479config MTK_TIMER
480	bool "Mediatek timer driver" if COMPILE_TEST
481	depends on HAS_IOMEM
482	select TIMER_OF
483	select CLKSRC_MMIO
484	help
485	  Support for Mediatek timer driver.
486
487config SPRD_TIMER
488	bool "Spreadtrum timer driver" if EXPERT
489	depends on HAS_IOMEM
490	depends on (ARCH_SPRD || COMPILE_TEST)
491	default ARCH_SPRD
492	select TIMER_OF
493	help
494	  Enables support for the Spreadtrum timer driver.
495
496config SYS_SUPPORTS_SH_MTU2
497	bool
498
499config SYS_SUPPORTS_SH_TMU
500	bool
501
502config SYS_SUPPORTS_EM_STI
503	bool
504
505config CLKSRC_JCORE_PIT
506	bool "J-Core PIT timer driver" if COMPILE_TEST
507	depends on OF
508	depends on HAS_IOMEM
509	select CLKSRC_MMIO
510	help
511	  This enables build of clocksource and clockevent driver for
512	  the integrated PIT in the J-Core synthesizable, open source SoC.
513
514config SH_TIMER_CMT
515	bool "Renesas CMT timer driver" if COMPILE_TEST
516	depends on HAS_IOMEM
517	default SYS_SUPPORTS_SH_CMT
518	help
519	  This enables build of a clocksource and clockevent driver for
520	  the Compare Match Timer (CMT) hardware available in 16/32/48-bit
521	  variants on a wide range of Mobile and Automotive SoCs from Renesas.
522
523config SH_TIMER_MTU2
524	bool "Renesas MTU2 timer driver" if COMPILE_TEST
525	depends on HAS_IOMEM
526	default SYS_SUPPORTS_SH_MTU2
527	help
528	  This enables build of a clockevent driver for the Multi-Function
529	  Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
530	  This hardware comes with 16-bit timer registers.
531
532config RENESAS_OSTM
533	bool "Renesas OSTM timer driver" if COMPILE_TEST
534	select CLKSRC_MMIO
535	select TIMER_OF
536	help
537	  Enables the support for the Renesas OSTM.
538
539config SH_TIMER_TMU
540	bool "Renesas TMU timer driver" if COMPILE_TEST
541	depends on HAS_IOMEM
542	default SYS_SUPPORTS_SH_TMU
543	help
544	  This enables build of a clocksource and clockevent driver for
545	  the 32-bit Timer Unit (TMU) hardware available on a wide range
546	  SoCs from Renesas.
547
548config EM_TIMER_STI
549	bool "Renesas STI timer driver" if COMPILE_TEST
550	depends on HAS_IOMEM
551	default SYS_SUPPORTS_EM_STI
552	help
553	  This enables build of a clocksource and clockevent driver for
554	  the 48-bit System Timer (STI) hardware available on a SoCs
555	  such as EMEV2 from former NEC Electronics.
556
557config CLKSRC_QCOM
558	bool "Qualcomm MSM timer" if COMPILE_TEST
559	depends on ARM
560	select TIMER_OF
561	help
562	  This enables the clocksource and the per CPU clockevent driver for the
563	  Qualcomm SoCs.
564
565config CLKSRC_VERSATILE
566	bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
567	depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
568	select TIMER_OF
569	default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM
570	help
571	  This option enables clock source based on free running
572	  counter available in the "System Registers" block of
573	  ARM Versatile and Versatile Express reference platforms.
574
575config CLKSRC_MIPS_GIC
576	bool
577	depends on MIPS_GIC
578	select CLOCKSOURCE_WATCHDOG
579	select TIMER_OF
580
581config CLKSRC_TANGO_XTAL
582	bool "Clocksource for Tango SoC" if COMPILE_TEST
583	depends on ARM
584	select TIMER_OF
585	select CLKSRC_MMIO
586	help
587	  This enables the clocksource for Tango SoC.
588
589config CLKSRC_PXA
590	bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
591	depends on HAS_IOMEM
592	select CLKSRC_MMIO
593	help
594	  This enables OST0 support available on PXA and SA-11x0
595	  platforms.
596
597config H8300_TMR8
598	bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
599	depends on HAS_IOMEM
600	help
601	  This enables the 8 bits timer for the H8300 platform.
602
603config H8300_TMR16
604	bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
605	depends on HAS_IOMEM
606	help
607	  This enables the 16 bits timer for the H8300 platform with the
608	  H83069 CPU.
609
610config H8300_TPU
611	bool "Clocksource for the H8300 platform" if COMPILE_TEST
612	depends on HAS_IOMEM
613	help
614	  This enables the clocksource for the H8300 platform with the
615	  H8S2678 CPU.
616
617config CLKSRC_IMX_GPT
618	bool "Clocksource using i.MX GPT" if COMPILE_TEST
619	depends on (ARM || ARM64) && CLKDEV_LOOKUP
620	select CLKSRC_MMIO
621
622config CLKSRC_IMX_TPM
623	bool "Clocksource using i.MX TPM" if COMPILE_TEST
624	depends on (ARM || ARM64) && CLKDEV_LOOKUP
625	select CLKSRC_MMIO
626	select TIMER_OF
627	help
628	  Enable this option to use IMX Timer/PWM Module (TPM) timer as
629	  clocksource.
630
631config TIMER_IMX_SYS_CTR
632	bool "i.MX system counter timer" if COMPILE_TEST
633	select TIMER_OF
634	help
635	  Enable this option to use i.MX system counter timer as a
636	  clockevent.
637
638config CLKSRC_ST_LPC
639	bool "Low power clocksource found in the LPC" if COMPILE_TEST
640	select TIMER_OF if OF
641	depends on HAS_IOMEM
642	select CLKSRC_MMIO
643	help
644	  Enable this option to use the Low Power controller timer
645	  as clocksource.
646
647config ATCPIT100_TIMER
648	bool "ATCPIT100 timer driver"
649	depends on NDS32 || COMPILE_TEST
650	depends on HAS_IOMEM
651	select TIMER_OF
652	default NDS32
653	help
654	  This option enables support for the Andestech ATCPIT100 timers.
655
656config RISCV_TIMER
657	bool "Timer for the RISC-V platform" if COMPILE_TEST
658	depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI
659	select TIMER_PROBE
660	select TIMER_OF
661	help
662	  This enables the per-hart timer built into all RISC-V systems, which
663	  is accessed via both the SBI and the rdcycle instruction.  This is
664	  required for all RISC-V systems.
665
666config CLINT_TIMER
667	bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST
668	depends on GENERIC_SCHED_CLOCK && RISCV
669	select TIMER_PROBE
670	select TIMER_OF
671	help
672	  This option enables the CLINT timer for RISC-V systems.  The CLINT
673	  driver is usually used for NoMMU RISC-V systems.
674
675config CSKY_MP_TIMER
676	bool "SMP Timer for the C-SKY platform" if COMPILE_TEST
677	depends on CSKY
678	select TIMER_OF
679	help
680	  Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP
681	  system.
682	  csky,mptimer is not only used in SMP system, it also could be used in
683	  single core system. It's not a mmio reg and it uses mtcr/mfcr instruction.
684
685config GX6605S_TIMER
686	bool "Gx6605s SOC system timer driver" if COMPILE_TEST
687	depends on CSKY
688	select CLKSRC_MMIO
689	select TIMER_OF
690	help
691	  This option enables support for gx6605s SOC's timer.
692
693config MILBEAUT_TIMER
694	bool "Milbeaut timer driver" if COMPILE_TEST
695	depends on OF
696	depends on ARM
697	select TIMER_OF
698	select CLKSRC_MMIO
699	help
700	  Enables the support for Milbeaut timer driver.
701
702config INGENIC_TIMER
703	bool "Clocksource/timer using the TCU in Ingenic JZ SoCs"
704	default MACH_INGENIC
705	depends on MIPS || COMPILE_TEST
706	depends on COMMON_CLK
707	select MFD_SYSCON
708	select TIMER_OF
709	select IRQ_DOMAIN
710	help
711	  Support for the timer/counter unit of the Ingenic JZ SoCs.
712
713config INGENIC_SYSOST
714	bool "Clocksource/timer using the SYSOST in Ingenic X SoCs"
715	depends on MIPS || COMPILE_TEST
716	depends on COMMON_CLK
717	select MFD_SYSCON
718	select TIMER_OF
719	select IRQ_DOMAIN
720	help
721	  Support for the SYSOST of the Ingenic X Series SoCs.
722
723config INGENIC_OST
724	bool "Clocksource using the OST in Ingenic JZ SoCs"
725	depends on MIPS || COMPILE_TEST
726	depends on COMMON_CLK
727	select MFD_SYSCON
728	help
729	  Support for the Operating System Timer of the Ingenic JZ SoCs.
730
731config MICROCHIP_PIT64B
732	bool "Microchip PIT64B support"
733	depends on OF || COMPILE_TEST
734	select CLKSRC_MMIO
735	select TIMER_OF
736	help
737	  This option enables Microchip PIT64B timer for Atmel
738	  based system. It supports the oneshot, the periodic
739	  modes and high resolution. It is used as a clocksource
740	  and a clockevent.
741
742endmenu
743