xref: /linux/drivers/clocksource/Kconfig (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
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 REALTEK_OTTO_TIMER
138	bool "Clocksource/timer for the Realtek Otto platform" if COMPILE_TEST
139	select TIMER_OF
140	help
141	  This driver adds support for the timers found in the Realtek RTL83xx
142	  and RTL93xx SoCs series. This includes chips such as RTL8380, RTL8381
143	  and RTL832, as well as chips from the RTL839x series, such as RTL8390
144	  RT8391, RTL8392, RTL8393 and RTL8396 and chips of the RTL930x series
145	  such as RTL9301, RTL9302 or RTL9303.
146
147config SUN4I_TIMER
148	bool "Sun4i timer driver" if COMPILE_TEST
149	depends on HAS_IOMEM
150	select CLKSRC_MMIO
151	select TIMER_OF
152	help
153	  Enables support for the Sun4i timer.
154
155config SUN5I_HSTIMER
156	bool "Sun5i timer driver" if COMPILE_TEST
157	select CLKSRC_MMIO
158	depends on COMMON_CLK
159	help
160	  Enables support the Sun5i timer.
161
162config TEGRA_TIMER
163	bool "Tegra timer driver" if COMPILE_TEST
164	select CLKSRC_MMIO
165	select TIMER_OF
166	depends on ARCH_TEGRA || COMPILE_TEST
167	help
168	  Enables support for the Tegra driver.
169
170config TEGRA186_TIMER
171	bool "NVIDIA Tegra186 timer driver"
172	depends on ARCH_TEGRA || COMPILE_TEST
173	depends on WATCHDOG && WATCHDOG_CORE
174	help
175	  Enables support for the timers and watchdogs found on NVIDIA
176	  Tegra186 and later SoCs.
177
178config VT8500_TIMER
179	bool "VT8500 timer driver" if COMPILE_TEST
180	depends on HAS_IOMEM
181	help
182	  Enables support for the VT8500 driver.
183
184config NPCM7XX_TIMER
185	bool "NPCM7xx timer driver" if COMPILE_TEST
186	depends on HAS_IOMEM
187	select TIMER_OF
188	select CLKSRC_MMIO
189	help
190	  Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
191	  where TIMER0 serves as clockevent and TIMER1 serves as clocksource.
192
193config CADENCE_TTC_TIMER
194	bool "Cadence TTC timer driver" if COMPILE_TEST
195	depends on COMMON_CLK
196	help
197	  Enables support for the Cadence TTC driver.
198
199config ASM9260_TIMER
200	bool "ASM9260 timer driver" if COMPILE_TEST
201	select CLKSRC_MMIO
202	select TIMER_OF
203	help
204	  Enables support for the ASM9260 timer.
205
206config CLKSRC_NOMADIK_MTU
207	bool "Nomakdik clocksource driver" if COMPILE_TEST
208	depends on ARM
209	select CLKSRC_MMIO
210	help
211	  Support for Multi Timer Unit. MTU provides access
212	  to multiple interrupt generating programmable
213	  32-bit free running decrementing counters.
214
215config CLKSRC_DBX500_PRCMU
216	bool "Clocksource PRCMU Timer" if COMPILE_TEST
217	depends on HAS_IOMEM
218	help
219	  Use the always on PRCMU Timer as clocksource.
220
221config CLPS711X_TIMER
222	bool "Cirrus Logic timer driver" if COMPILE_TEST
223	select CLKSRC_MMIO
224	help
225	  Enables support for the Cirrus Logic PS711 timer.
226
227config MXS_TIMER
228	bool "MXS timer driver" if COMPILE_TEST
229	select CLKSRC_MMIO
230	select STMP_DEVICE
231	help
232	  Enables support for the MXS timer.
233
234config NSPIRE_TIMER
235	bool "NSpire timer driver" if COMPILE_TEST
236	select CLKSRC_MMIO
237	help
238	  Enables support for the Nspire timer.
239
240config KEYSTONE_TIMER
241	bool "Keystone timer driver" if COMPILE_TEST
242	depends on ARM || ARM64
243	select CLKSRC_MMIO
244	help
245	  Enables support for the Keystone timer.
246
247config INTEGRATOR_AP_TIMER
248	bool "Integrator-AP timer driver" if COMPILE_TEST
249	select CLKSRC_MMIO
250	help
251	  Enables support for the Integrator-AP timer.
252
253config CLKSRC_LPC32XX
254	bool "Clocksource for LPC32XX" if COMPILE_TEST
255	depends on HAS_IOMEM
256	depends on ARM
257	select CLKSRC_MMIO
258	select TIMER_OF
259	help
260	  Support for the LPC32XX clocksource.
261
262config CLKSRC_PISTACHIO
263	bool "Clocksource for Pistachio SoC"
264	depends on HAS_IOMEM
265	depends on MIPS || COMPILE_TEST
266	select TIMER_OF
267	help
268	  Enables the clocksource for the Pistachio SoC.
269
270config CLKSRC_TI_32K
271	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
272	depends on GENERIC_SCHED_CLOCK
273	select TIMER_OF if OF
274	help
275	  This option enables support for Texas Instruments 32.768 Hz clocksource
276	  available on many OMAP-like platforms.
277
278config CLKSRC_STM32
279	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
280	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
281	select CLKSRC_MMIO
282	select TIMER_OF
283
284config CLKSRC_STM32_LP
285	bool "Low power clocksource for STM32 SoCs"
286	depends on MFD_STM32_LPTIMER || COMPILE_TEST
287
288config CLKSRC_MPS2
289	bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
290	depends on GENERIC_SCHED_CLOCK
291	select CLKSRC_MMIO
292	select TIMER_OF
293
294config ARC_TIMERS
295	bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
296	depends on GENERIC_SCHED_CLOCK
297	select TIMER_OF
298	help
299	  These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
300	  (ARC700 as well as ARC HS38).
301	  TIMER0 serves as clockevent while TIMER1 provides clocksource.
302
303config ARC_TIMERS_64BIT
304	bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
305	depends on ARC_TIMERS
306	select TIMER_OF
307	help
308	  This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP).
309	  RTC is implemented inside the core, while GFRC sits outside the core in
310	  ARConnect IP block. Driver automatically picks one of them for clocksource
311	  as appropriate.
312
313config ARM_ARCH_TIMER
314	bool
315	select TIMER_OF if OF
316	select TIMER_ACPI if ACPI
317
318config ARM_ARCH_TIMER_EVTSTREAM
319	bool "Enable ARM architected timer event stream generation by default"
320	default y if ARM_ARCH_TIMER
321	depends on ARM_ARCH_TIMER
322	help
323	  This option enables support by default for event stream generation
324	  based on the ARM architected timer. It is used for waking up CPUs
325	  executing the wfe instruction at a frequency represented as a
326	  power-of-2 divisor of the clock rate. The behaviour can also be
327	  overridden on the command line using the
328	  clocksource.arm_arch_timer.evtstream parameter.
329	  The main use of the event stream is wfe-based timeouts of userspace
330	  locking implementations. It might also be useful for imposing timeout
331	  on wfe to safeguard against any programming errors in case an expected
332	  event is not generated.
333	  This must be disabled for hardware validation purposes to detect any
334	  hardware anomalies of missing events.
335
336config ARM_ARCH_TIMER_OOL_WORKAROUND
337	bool
338
339config FSL_ERRATUM_A008585
340	bool "Workaround for Freescale/NXP Erratum A-008585"
341	default y
342	depends on ARM_ARCH_TIMER && ARM64
343	select ARM_ARCH_TIMER_OOL_WORKAROUND
344	help
345	  This option enables a workaround for Freescale/NXP Erratum
346	  A-008585 ("ARM generic timer may contain an erroneous
347	  value").  The workaround will only be active if the
348	  fsl,erratum-a008585 property is found in the timer node.
349
350config HISILICON_ERRATUM_161010101
351	bool "Workaround for Hisilicon Erratum 161010101"
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 for Hisilicon Erratum
357	  161010101. The workaround will be active if the hisilicon,erratum-161010101
358	  property is found in the timer node.
359
360config ARM64_ERRATUM_858921
361	bool "Workaround for Cortex-A73 erratum 858921"
362	default y
363	select ARM_ARCH_TIMER_OOL_WORKAROUND
364	depends on ARM_ARCH_TIMER && ARM64
365	help
366	  This option enables a workaround applicable to Cortex-A73
367	  (all versions), whose counter may return incorrect values.
368	  The workaround will be dynamically enabled when an affected
369	  core is detected.
370
371config SUN50I_ERRATUM_UNKNOWN1
372	bool "Workaround for Allwinner A64 erratum UNKNOWN1"
373	default y
374	depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI
375	select ARM_ARCH_TIMER_OOL_WORKAROUND
376	help
377	  This option enables a workaround for instability in the timer on
378	  the Allwinner A64 SoC. The workaround will only be active if the
379	  allwinner,erratum-unknown1 property is found in the timer node.
380
381config ARM_GLOBAL_TIMER
382	bool "Support for the ARM global timer" if COMPILE_TEST
383	select TIMER_OF if OF
384	depends on ARM
385	help
386	  This option enables support for the ARM global timer unit.
387
388config ARM_GT_INITIAL_PRESCALER_VAL
389	int "ARM global timer initial prescaler value"
390	default 2 if ARCH_ZYNQ
391	default 1
392	depends on ARM_GLOBAL_TIMER
393	help
394	  When the ARM global timer initializes, its current rate is declared
395	  to the kernel and maintained forever. Should its parent clock
396	  change, the driver tries to fix the timer's internal prescaler.
397	  On some machs (i.e. Zynq) the initial prescaler value thus poses
398	  bounds about how much the parent clock is allowed to decrease or
399	  increase wrt the initial clock value.
400	  This affects CPU_FREQ max delta from the initial frequency.
401
402config ARM_TIMER_SP804
403	bool "Support for Dual Timer SP804 module" if COMPILE_TEST
404	depends on GENERIC_SCHED_CLOCK && HAVE_CLK
405	select CLKSRC_MMIO
406	select TIMER_OF if OF
407
408config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
409	bool
410	depends on ARM_GLOBAL_TIMER
411	default y
412	help
413	  Use ARM global timer clock source as sched_clock.
414
415config ARMV7M_SYSTICK
416	bool "Support for the ARMv7M system time" if COMPILE_TEST
417	select TIMER_OF if OF
418	select CLKSRC_MMIO
419	help
420	  This option enables support for the ARMv7M system timer unit.
421
422config ATMEL_PIT
423	bool "Atmel PIT support" if COMPILE_TEST
424	depends on HAS_IOMEM
425	select TIMER_OF if OF
426	help
427	  Support for the Periodic Interval Timer found on Atmel SoCs.
428
429config ATMEL_ST
430	bool "Atmel ST timer support" if COMPILE_TEST
431	depends on HAS_IOMEM
432	select TIMER_OF
433	select MFD_SYSCON
434	help
435	  Support for the Atmel ST timer.
436
437config ATMEL_TCB_CLKSRC
438	bool "Atmel TC Block timer driver" if COMPILE_TEST
439	depends on ARM && HAS_IOMEM
440	select TIMER_OF if OF
441	help
442	  Support for Timer Counter Blocks on Atmel SoCs.
443
444config CLKSRC_EXYNOS_MCT
445	bool "Exynos multi core timer driver" if COMPILE_TEST
446	depends on ARM || ARM64
447	depends on ARCH_ARTPEC || ARCH_EXYNOS || COMPILE_TEST
448	help
449	  Support for Multi Core Timer controller on Exynos SoCs.
450
451config CLKSRC_SAMSUNG_PWM
452	bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
453	depends on HAS_IOMEM
454	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
455	help
456	  This is a new clocksource driver for the PWM timer found in
457	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
458	  for all devicetree enabled platforms. This driver will be
459	  needed only on systems that do not have the Exynos MCT available.
460
461config FSL_FTM_TIMER
462	bool "Freescale FlexTimer Module driver" if COMPILE_TEST
463	depends on HAS_IOMEM
464	select CLKSRC_MMIO
465	help
466	  Support for Freescale FlexTimer Module (FTM) timer.
467
468config VF_PIT_TIMER
469	bool
470	select CLKSRC_MMIO
471	help
472	  Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs.
473
474config SYS_SUPPORTS_SH_CMT
475	bool
476
477config MTK_TIMER
478	bool "Mediatek timer driver" if COMPILE_TEST
479	depends on HAS_IOMEM
480	select TIMER_OF
481	select CLKSRC_MMIO
482	help
483	  Support for Mediatek timer driver.
484
485config MTK_CPUX_TIMER
486	bool "MediaTek CPUX timer driver" if COMPILE_TEST
487	depends on HAS_IOMEM
488	default ARCH_MEDIATEK
489	select TIMER_OF
490	select CLKSRC_MMIO
491	help
492	  Support for MediaTek CPUXGPT timer driver.
493
494config SPRD_TIMER
495	bool "Spreadtrum timer driver" if EXPERT
496	depends on HAS_IOMEM
497	depends on (ARCH_SPRD || COMPILE_TEST)
498	default ARCH_SPRD
499	select TIMER_OF
500	help
501	  Enables support for the Spreadtrum timer driver.
502
503config SYS_SUPPORTS_SH_MTU2
504	bool
505
506config SYS_SUPPORTS_SH_TMU
507	bool
508
509config SYS_SUPPORTS_EM_STI
510	bool
511
512config CLKSRC_JCORE_PIT
513	bool "J-Core PIT timer driver" if COMPILE_TEST
514	depends on OF
515	depends on HAS_IOMEM
516	select CLKSRC_MMIO
517	help
518	  This enables build of clocksource and clockevent driver for
519	  the integrated PIT in the J-Core synthesizable, open source SoC.
520
521config SH_TIMER_CMT
522	bool "Renesas CMT timer driver" if COMPILE_TEST
523	depends on HAS_IOMEM
524	default SYS_SUPPORTS_SH_CMT
525	help
526	  This enables build of a clocksource and clockevent driver for
527	  the Compare Match Timer (CMT) hardware available in 16/32/48-bit
528	  variants on a wide range of Mobile and Automotive SoCs from Renesas.
529
530config SH_TIMER_MTU2
531	bool "Renesas MTU2 timer driver" if COMPILE_TEST
532	depends on HAS_IOMEM
533	default SYS_SUPPORTS_SH_MTU2
534	help
535	  This enables build of a clockevent driver for the Multi-Function
536	  Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
537	  This hardware comes with 16-bit timer registers.
538
539config RENESAS_OSTM
540	bool "Renesas OSTM timer driver"
541	depends on ARCH_RENESAS || COMPILE_TEST
542	select CLKSRC_MMIO
543	select TIMER_OF
544	help
545	  Enables the support for the Renesas OSTM.
546
547config SH_TIMER_TMU
548	bool "Renesas TMU timer driver" if COMPILE_TEST
549	depends on HAS_IOMEM
550	default SYS_SUPPORTS_SH_TMU
551	help
552	  This enables build of a clocksource and clockevent driver for
553	  the 32-bit Timer Unit (TMU) hardware available on a wide range
554	  SoCs from Renesas.
555
556config EM_TIMER_STI
557	bool "Renesas STI timer driver" if COMPILE_TEST
558	depends on HAS_IOMEM
559	default SYS_SUPPORTS_EM_STI
560	help
561	  This enables build of a clocksource and clockevent driver for
562	  the 48-bit System Timer (STI) hardware available on a SoCs
563	  such as EMEV2 from former NEC Electronics.
564
565config CLKSRC_QCOM
566	bool "Qualcomm MSM timer" if COMPILE_TEST
567	depends on ARM
568	select TIMER_OF
569	help
570	  This enables the clocksource and the per CPU clockevent driver for the
571	  Qualcomm SoCs.
572
573config CLKSRC_VERSATILE
574	bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
575	depends on GENERIC_SCHED_CLOCK
576	select TIMER_OF
577	default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM
578	help
579	  This option enables clock source based on free running
580	  counter available in the "System Registers" block of
581	  ARM Versatile and Versatile Express reference platforms.
582
583config CLKSRC_MIPS_GIC
584	bool
585	depends on MIPS_GIC
586	select CLOCKSOURCE_WATCHDOG
587	select TIMER_OF
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 CLKSRC_IMX_GPT
598	bool "Clocksource using i.MX GPT" if COMPILE_TEST
599	depends on (ARM || ARM64) && HAVE_CLK
600	select CLKSRC_MMIO
601
602config CLKSRC_IMX_TPM
603	bool "Clocksource using i.MX TPM" if COMPILE_TEST
604	depends on (ARM || ARM64) && HAVE_CLK
605	select CLKSRC_MMIO
606	select TIMER_OF
607	help
608	  Enable this option to use IMX Timer/PWM Module (TPM) timer as
609	  clocksource.
610
611config TIMER_IMX_SYS_CTR
612	bool "i.MX system counter timer" if COMPILE_TEST
613	select TIMER_OF
614	help
615	  Enable this option to use i.MX system counter timer as a
616	  clockevent.
617
618config CLKSRC_LOONGSON1_PWM
619	bool "Clocksource using Loongson1 PWM"
620	depends on MACH_LOONGSON32 || COMPILE_TEST
621	select MIPS_EXTERNAL_TIMER
622	select TIMER_OF
623	help
624	  Enable this option to use Loongson1 PWM timer as clocksource
625	  instead of the performance counter.
626
627config CLKSRC_ST_LPC
628	bool "Low power clocksource found in the LPC" if COMPILE_TEST
629	select TIMER_OF if OF
630	depends on HAS_IOMEM
631	select CLKSRC_MMIO
632	help
633	  Enable this option to use the Low Power controller timer
634	  as clocksource.
635
636config GXP_TIMER
637	bool "GXP timer driver" if COMPILE_TEST && !ARCH_HPE
638	default ARCH_HPE
639	select TIMER_OF if OF
640	help
641	  Provides a driver for the timer control found on HPE
642	  GXP SOCs. This is required for all GXP SOCs.
643
644config RISCV_TIMER
645	bool "Timer for the RISC-V platform" if COMPILE_TEST
646	depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI
647	select TIMER_PROBE
648	select TIMER_OF
649	help
650	  This enables the per-hart timer built into all RISC-V systems, which
651	  is accessed via both the SBI and the rdcycle instruction.  This is
652	  required for all RISC-V systems.
653
654config CLINT_TIMER
655	bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST
656	depends on GENERIC_SCHED_CLOCK && RISCV
657	select TIMER_PROBE
658	select TIMER_OF
659	help
660	  This option enables the CLINT timer for RISC-V systems.  The CLINT
661	  driver is usually used for NoMMU RISC-V systems.
662
663config CSKY_MP_TIMER
664	bool "SMP Timer for the C-SKY platform" if COMPILE_TEST
665	depends on CSKY
666	select TIMER_OF
667	help
668	  Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP
669	  system.
670	  csky,mptimer is not only used in SMP system, it also could be used in
671	  single core system. It's not a mmio reg and it uses mtcr/mfcr instruction.
672
673config GX6605S_TIMER
674	bool "Gx6605s SOC system timer driver" if COMPILE_TEST
675	depends on CSKY
676	select CLKSRC_MMIO
677	select TIMER_OF
678	help
679	  This option enables support for gx6605s SOC's timer.
680
681config MILBEAUT_TIMER
682	bool "Milbeaut timer driver" if COMPILE_TEST
683	depends on OF
684	depends on ARM
685	select TIMER_OF
686	select CLKSRC_MMIO
687	help
688	  Enables the support for Milbeaut timer driver.
689
690config MSC313E_TIMER
691	bool "MSC313E timer driver" if COMPILE_TEST
692	select TIMER_OF
693	select CLKSRC_MMIO
694	help
695	  Enables support for the MStar MSC313E timer driver.
696	  This provides access to multiple interrupt generating
697	  programmable 32-bit free running incrementing counters.
698
699config INGENIC_TIMER
700	bool "Clocksource/timer using the TCU in Ingenic JZ SoCs"
701	default MACH_INGENIC
702	depends on MIPS || COMPILE_TEST
703	depends on COMMON_CLK
704	select MFD_SYSCON
705	select TIMER_OF
706	select IRQ_DOMAIN
707	help
708	  Support for the timer/counter unit of the Ingenic JZ SoCs.
709
710config INGENIC_SYSOST
711	bool "Clocksource/timer using the SYSOST in Ingenic X SoCs"
712	depends on MIPS || COMPILE_TEST
713	depends on COMMON_CLK
714	select MFD_SYSCON
715	select TIMER_OF
716	select IRQ_DOMAIN
717	help
718	  Support for the SYSOST of the Ingenic X Series SoCs.
719
720config INGENIC_OST
721	bool "Clocksource using the OST in Ingenic JZ SoCs"
722	depends on MIPS || COMPILE_TEST
723	depends on COMMON_CLK
724	select MFD_SYSCON
725	help
726	  Support for the Operating System Timer of the Ingenic JZ SoCs.
727
728config MICROCHIP_PIT64B
729	bool "Microchip PIT64B support"
730	depends on OF && ARM
731	select TIMER_OF
732	help
733	  This option enables Microchip PIT64B timer for Atmel
734	  based system. It supports the oneshot, the periodic
735	  modes and high resolution. It is used as a clocksource
736	  and a clockevent.
737
738config GOLDFISH_TIMER
739	bool "Clocksource using goldfish-rtc"
740	depends on M68K || COMPILE_TEST
741	depends on RTC_DRV_GOLDFISH
742	help
743	  Support for the timer/counter of goldfish-rtc
744
745config EP93XX_TIMER
746	bool "Cirrus Logic ep93xx timer driver" if COMPILE_TEST
747	depends on ARCH_EP93XX
748	depends on GENERIC_CLOCKEVENTS
749	depends on HAS_IOMEM
750	select CLKSRC_MMIO
751	select TIMER_OF
752	help
753	  Enables support for the Cirrus Logic timer block
754	  EP93XX.
755
756endmenu
757