[deliverable/linux.git] / drivers / clocksource / Kconfig

config CLKSRC_OF
	bool

config CLKSRC_I8253
	bool

config CLKEVT_I8253
	bool

config I8253_LOCK
	bool

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

config CLKSRC_MMIO
	bool

config DW_APB_TIMER
	bool

config DW_APB_TIMER_OF
	bool
	select DW_APB_TIMER
	select CLKSRC_OF

config ARMADA_370_XP_TIMER
	bool
	select CLKSRC_OF

config ORION_TIMER
	select CLKSRC_OF
	select CLKSRC_MMIO
	bool

config SUN4I_TIMER
	select CLKSRC_MMIO
	bool

config SUN5I_HSTIMER
	select CLKSRC_MMIO
	bool

config VT8500_TIMER
	bool

config CADENCE_TTC_TIMER
	bool

config CLKSRC_NOMADIK_MTU
	bool
	depends on (ARCH_NOMADIK || ARCH_U8500)
	select CLKSRC_MMIO
	help
	  Support for Multi Timer Unit. MTU provides access
	  to multiple interrupt generating programmable
	  32-bit free running decrementing counters.

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

config CLKSRC_DBX500_PRCMU
	bool "Clocksource PRCMU Timer"
	depends on UX500_SOC_DB8500
	default y
	help
	  Use the always on PRCMU Timer as clocksource

config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
	bool "Clocksource PRCMU Timer sched_clock"
	depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
	default y
	help
	  Use the always on PRCMU Timer as sched_clock

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

config ARM_ARCH_TIMER
	bool
	select CLKSRC_OF if OF

config ARM_ARCH_TIMER_EVTSTREAM
	bool "Support for ARM architected timer event stream generation"
	default y if ARM_ARCH_TIMER
	depends on ARM_ARCH_TIMER
	help
	  This option enables support for event stream generation based on
	  the ARM architected timer. It is used for waking up CPUs executing
	  the wfe instruction at a frequency represented as a power-of-2
	  divisor of the clock rate.
	  The main use of the event stream is wfe-based timeouts of userspace
	  locking implementations. It might also be useful for imposing timeout
	  on wfe to safeguard against any programming errors in case an expected
	  event is not generated.
	  This must be disabled for hardware validation purposes to detect any
	  hardware anomalies of missing events.

config ARM_GLOBAL_TIMER
	bool
	select CLKSRC_OF if OF
	help
	  This options enables support for the ARM global timer unit

config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
	bool
	depends on ARM_GLOBAL_TIMER
	default y
	help
	 Use ARM global timer clock source as sched_clock

config CLKSRC_METAG_GENERIC
	def_bool y if METAG
	help
	  This option enables support for the Meta per-thread timers.

config CLKSRC_EXYNOS_MCT
	def_bool y if ARCH_EXYNOS
	help
	  Support for Multi Core Timer controller on Exynos SoCs.

config CLKSRC_SAMSUNG_PWM
	bool
	help
	  This is a new clocksource driver for the PWM timer found in
	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
	  for all devicetree enabled platforms. This driver will be
	  needed only on systems that do not have the Exynos MCT available.

config VF_PIT_TIMER
	bool
	help
	  Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.

config SYS_SUPPORTS_SH_CMT
        bool

config SYS_SUPPORTS_SH_MTU2
        bool

config SYS_SUPPORTS_SH_TMU
        bool

config SYS_SUPPORTS_EM_STI
        bool

config SH_TIMER_CMT
	bool "Renesas CMT timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	default SYS_SUPPORTS_SH_CMT
	help
	  This enables build of a clocksource and clockevent driver for
	  the Compare Match Timer (CMT) hardware available in 16/32/48-bit
	  variants on a wide range of Mobile and Automotive SoCs from Renesas.

config SH_TIMER_MTU2
	bool "Renesas MTU2 timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	default SYS_SUPPORTS_SH_MTU2
	help
	  This enables build of a clockevent driver for the Multi-Function
	  Timer Pulse Unit 2 (TMU2) hardware available on SoCs from Renesas.
	  This hardware comes with 16 bit-timer registers.

config SH_TIMER_TMU
	bool "Renesas TMU timer driver" if COMPILE_TEST
	depends on GENERIC_CLOCKEVENTS
	default SYS_SUPPORTS_SH_TMU
	help
	  This enables build of a clocksource and clockevent driver for
	  the 32-bit Timer Unit (TMU) hardware available on a wide range
	  SoCs from Renesas.

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

config CLKSRC_QCOM
	bool
Commit	Line	Data
ae278a93 SW	1	config CLKSRC_OF
	2	bool
	3
89c0b8e2 RK	4	config CLKSRC_I8253
89c0b8e2 RK	5	bool
442c8176	6
e6220bdc TG	7	config CLKEVT_I8253
	8	bool
	9
15f304b6 RB	10	config I8253_LOCK
	11	bool
	12
	13	config CLKBLD_I8253
e6220bdc	14	def_bool y if CLKSRC_I8253 \|\| CLKEVT_I8253 \|\| I8253_LOCK
15f304b6	15
442c8176 RK	16	config CLKSRC_MMIO
442c8176 RK	17	bool
06c3df49 JI	18
	19	config DW_APB_TIMER
	20	bool
489bccea	21
cfda5901 DN	22	config DW_APB_TIMER_OF
cfda5901 DN	23	bool
1b4eca0f	24	select DW_APB_TIMER
10021488	25	select CLKSRC_OF
cfda5901	26
6fe9cbd1 GC	27	config ARMADA_370_XP_TIMER
6fe9cbd1 GC	28	bool
7b0dd72a	29	select CLKSRC_OF
6fe9cbd1	30
0c1dcfd5 SH	31	config ORION_TIMER
	32	select CLKSRC_OF
	33	select CLKSRC_MMIO
	34	bool
	35
119fd635	36	config SUN4I_TIMER
71c568c0	37	select CLKSRC_MMIO
b2ac5d75 MR	38	bool
b2ac5d75 MR	39
67905540 MR	40	config SUN5I_HSTIMER
	41	select CLKSRC_MMIO
	42	bool
	43
ff7ec345 TP	44	config VT8500_TIMER
	45	bool
	46
4f0f234f MS	47	config CADENCE_TTC_TIMER
	48	bool
	49
694e33a7 LW	50	config CLKSRC_NOMADIK_MTU
	51	bool
	52	depends on (ARCH_NOMADIK \|\| ARCH_U8500)
	53	select CLKSRC_MMIO
	54	help
	55	Support for Multi Timer Unit. MTU provides access
	56	to multiple interrupt generating programmable
	57	32-bit free running decrementing counters.
	58
	59	config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
	60	bool
	61	depends on CLKSRC_NOMADIK_MTU
	62	help
	63	Use the Multi Timer Unit as the sched_clock.
	64
489bccea MW	65	config CLKSRC_DBX500_PRCMU
489bccea MW	66	bool "Clocksource PRCMU Timer"
29746f48	67	depends on UX500_SOC_DB8500
489bccea MW	68	default y
	69	help
	70	Use the always on PRCMU Timer as clocksource
	71
	72	config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
	73	bool "Clocksource PRCMU Timer sched_clock"
694e33a7	74	depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
489bccea MW	75	default y
	76	help
	77	Use the always on PRCMU Timer as sched_clock
985c0679	78
9c9b7818 UKK	79	config CLKSRC_EFM32
	80	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
	81	depends on OF && ARM && (ARCH_EFM32 \|\| COMPILE_TEST)
09ca2757	82	select CLKSRC_MMIO
9c9b7818 UKK	83	default ARCH_EFM32
	84	help
	85	Support to use the timers of EFM32 SoCs as clock source and clock
	86	event device.
	87
8a4da6e3 MR	88	config ARM_ARCH_TIMER
8a4da6e3 MR	89	bool
0583fe47	90	select CLKSRC_OF if OF
a2c5d4ed	91
037f6377 WD	92	config ARM_ARCH_TIMER_EVTSTREAM
	93	bool "Support for ARM architected timer event stream generation"
	94	default y if ARM_ARCH_TIMER
77f7ce9a	95	depends on ARM_ARCH_TIMER
037f6377 WD	96	help
	97	This option enables support for event stream generation based on
	98	the ARM architected timer. It is used for waking up CPUs executing
	99	the wfe instruction at a frequency represented as a power-of-2
	100	divisor of the clock rate.
	101	The main use of the event stream is wfe-based timeouts of userspace
	102	locking implementations. It might also be useful for imposing timeout
	103	on wfe to safeguard against any programming errors in case an expected
	104	event is not generated.
	105	This must be disabled for hardware validation purposes to detect any
	106	hardware anomalies of missing events.
	107
c1b40e44 SM	108	config ARM_GLOBAL_TIMER
	109	bool
	110	select CLKSRC_OF if OF
	111	help
	112	This options enables support for the ARM global timer unit
	113
	114	config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
	115	bool
	116	depends on ARM_GLOBAL_TIMER
	117	default y
	118	help
	119	Use ARM global timer clock source as sched_clock
	120
a2c5d4ed JH	121	config CLKSRC_METAG_GENERIC
	122	def_bool y if METAG
	123	help
	124	This option enables support for the Meta per-thread timers.
6938d75a TA	125
	126	config CLKSRC_EXYNOS_MCT
	127	def_bool y if ARCH_EXYNOS
	128	help
	129	Support for Multi Core Timer controller on Exynos SoCs.
241a9871	130
f1189989	131	config CLKSRC_SAMSUNG_PWM
77d84434	132	bool
f1189989 TF	133	help
	134	This is a new clocksource driver for the PWM timer found in
	135	Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
	136	for all devicetree enabled platforms. This driver will be
	137	needed only on systems that do not have the Exynos MCT available.
c1967249 JL	138
	139	config VF_PIT_TIMER
	140	bool
	141	help
	142	Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
fd3f1270 MD	143
	144	config SYS_SUPPORTS_SH_CMT
	145	bool
	146
	147	config SYS_SUPPORTS_SH_MTU2
	148	bool
	149
	150	config SYS_SUPPORTS_SH_TMU
	151	bool
	152
	153	config SYS_SUPPORTS_EM_STI
	154	bool
	155
	156	config SH_TIMER_CMT
	157	bool "Renesas CMT timer driver" if COMPILE_TEST
87291a92	158	depends on GENERIC_CLOCKEVENTS
fd3f1270 MD	159	default SYS_SUPPORTS_SH_CMT
	160	help
	161	This enables build of a clocksource and clockevent driver for
	162	the Compare Match Timer (CMT) hardware available in 16/32/48-bit
	163	variants on a wide range of Mobile and Automotive SoCs from Renesas.
	164
	165	config SH_TIMER_MTU2
	166	bool "Renesas MTU2 timer driver" if COMPILE_TEST
87291a92	167	depends on GENERIC_CLOCKEVENTS
fd3f1270 MD	168	default SYS_SUPPORTS_SH_MTU2
	169	help
	170	This enables build of a clockevent driver for the Multi-Function
	171	Timer Pulse Unit 2 (TMU2) hardware available on SoCs from Renesas.
	172	This hardware comes with 16 bit-timer registers.
	173
	174	config SH_TIMER_TMU
	175	bool "Renesas TMU timer driver" if COMPILE_TEST
87291a92	176	depends on GENERIC_CLOCKEVENTS
fd3f1270 MD	177	default SYS_SUPPORTS_SH_TMU
	178	help
	179	This enables build of a clocksource and clockevent driver for
	180	the 32-bit Timer Unit (TMU) hardware available on a wide range
	181	SoCs from Renesas.
	182
	183	config EM_TIMER_STI
	184	bool "Renesas STI timer driver" if COMPILE_TEST
87291a92	185	depends on GENERIC_CLOCKEVENTS
fd3f1270 MD	186	default SYS_SUPPORTS_EM_STI
	187	help
	188	This enables build of a clocksource and clockevent driver for
	189	the 48-bit System Timer (STI) hardware available on a SoCs
	190	such as EMEV2 from former NEC Electronics.
dfc25e45	191
3f8e8cee KG	192	config CLKSRC_QCOM
3f8e8cee KG	193	bool