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
725