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

menu "Clock Source drivers"

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 DIGICOLOR_TIMER
	bool

config DW_APB_TIMER
	bool

config DW_APB_TIMER_OF
	bool
	select DW_APB_TIMER
	select CLKSRC_OF

config ROCKCHIP_TIMER
	bool
	select CLKSRC_OF

config ARMADA_370_XP_TIMER
	bool
	select CLKSRC_OF

config MESON6_TIMER
	bool
	select CLKSRC_MMIO

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 TEGRA_TIMER
	bool

config VT8500_TIMER
	bool

config CADENCE_TTC_TIMER
	bool

config ASM9260_TIMER
	bool
	select CLKSRC_MMIO
	select CLKSRC_OF

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 CLKSRC_LPC32XX
	bool
	select CLKSRC_MMIO
	select CLKSRC_OF

config CLKSRC_STM32
	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
	select CLKSRC_MMIO

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 ARMV7M_SYSTICK
	bool
	select CLKSRC_OF if OF
	select CLKSRC_MMIO
	help
	  This options enables support for the ARMv7M system timer unit

config ATMEL_PIT
	select CLKSRC_OF if OF
	def_bool SOC_AT91SAM9 || SOC_SAMA5

config ATMEL_ST
	bool
	select CLKSRC_OF
	select MFD_SYSCON

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
	depends on !ARM64
	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 FSL_FTM_TIMER
	bool
	help
	  Support for Freescale FlexTimer Module (FTM) timer.

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

config SYS_SUPPORTS_SH_CMT
        bool

config MTK_TIMER
	select CLKSRC_OF
	select CLKSRC_MMIO
	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
	depends on HAS_IOMEM
	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
	depends on HAS_IOMEM
	default SYS_SUPPORTS_SH_MTU2
	help
	  This enables build of a clockevent driver for the Multi-Function
	  Timer Pulse Unit 2 (MTU2) 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
	depends on HAS_IOMEM
	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 && HAS_IOMEM
	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

config CLKSRC_VERSATILE
	bool "ARM Versatile (Express) reference platforms clock source"
	depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
	select CLKSRC_OF
	default y if MFD_VEXPRESS_SYSREG
	help
	  This option enables clock source based on free running
	  counter available in the "System Registers" block of
	  ARM Versatile, RealView and Versatile Express reference
	  platforms.

config CLKSRC_MIPS_GIC
	bool
	depends on MIPS_GIC
	select CLKSRC_OF

config CLKSRC_PXA
	def_bool y if ARCH_PXA || ARCH_SA1100
	select CLKSRC_OF if USE_OF
	help
	  This enables OST0 support available on PXA and SA-11x0
	  platforms.

config H8300_TMR16
        bool

config H8300_TPU
        bool

endmenu
Commit	Line	Data
58394271 JD	1	menu "Clock Source drivers"
58394271 JD	2
ae278a93 SW	3	config CLKSRC_OF
	4	bool
	5
89c0b8e2 RK	6	config CLKSRC_I8253
89c0b8e2 RK	7	bool
442c8176	8
e6220bdc TG	9	config CLKEVT_I8253
	10	bool
	11
15f304b6 RB	12	config I8253_LOCK
	13	bool
	14
	15	config CLKBLD_I8253
e6220bdc	16	def_bool y if CLKSRC_I8253 \|\| CLKEVT_I8253 \|\| I8253_LOCK
15f304b6	17
442c8176 RK	18	config CLKSRC_MMIO
442c8176 RK	19	bool
06c3df49	20
9b8bb773 BS	21	config DIGICOLOR_TIMER
	22	bool
	23
06c3df49 JI	24	config DW_APB_TIMER
06c3df49 JI	25	bool
489bccea	26
cfda5901 DN	27	config DW_APB_TIMER_OF
cfda5901 DN	28	bool
1b4eca0f	29	select DW_APB_TIMER
10021488	30	select CLKSRC_OF
cfda5901	31
468b8c4c DL	32	config ROCKCHIP_TIMER
	33	bool
	34	select CLKSRC_OF
	35
6fe9cbd1 GC	36	config ARMADA_370_XP_TIMER
6fe9cbd1 GC	37	bool
7b0dd72a	38	select CLKSRC_OF
6fe9cbd1	39
e4a6b378 CC	40	config MESON6_TIMER
e4a6b378 CC	41	bool
7b6b0a45	42	select CLKSRC_MMIO
e4a6b378	43
0c1dcfd5 SH	44	config ORION_TIMER
	45	select CLKSRC_OF
	46	select CLKSRC_MMIO
	47	bool
	48
119fd635	49	config SUN4I_TIMER
71c568c0	50	select CLKSRC_MMIO
b2ac5d75 MR	51	bool
b2ac5d75 MR	52
67905540 MR	53	config SUN5I_HSTIMER
	54	select CLKSRC_MMIO
	55	bool
	56
910978e7 TR	57	config TEGRA_TIMER
	58	bool
	59
ff7ec345 TP	60	config VT8500_TIMER
	61	bool
	62
4f0f234f MS	63	config CADENCE_TTC_TIMER
	64	bool
	65
a8b1b9fc DL	66	config ASM9260_TIMER
	67	bool
	68	select CLKSRC_MMIO
	69	select CLKSRC_OF
	70
694e33a7 LW	71	config CLKSRC_NOMADIK_MTU
	72	bool
	73	depends on (ARCH_NOMADIK \|\| ARCH_U8500)
	74	select CLKSRC_MMIO
	75	help
	76	Support for Multi Timer Unit. MTU provides access
	77	to multiple interrupt generating programmable
	78	32-bit free running decrementing counters.
	79
	80	config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
	81	bool
	82	depends on CLKSRC_NOMADIK_MTU
	83	help
	84	Use the Multi Timer Unit as the sched_clock.
	85
489bccea MW	86	config CLKSRC_DBX500_PRCMU
489bccea MW	87	bool "Clocksource PRCMU Timer"
29746f48	88	depends on UX500_SOC_DB8500
489bccea MW	89	default y
	90	help
	91	Use the always on PRCMU Timer as clocksource
	92
	93	config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
	94	bool "Clocksource PRCMU Timer sched_clock"
694e33a7	95	depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
489bccea MW	96	default y
	97	help
	98	Use the always on PRCMU Timer as sched_clock
985c0679	99
9c9b7818 UKK	100	config CLKSRC_EFM32
	101	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
	102	depends on OF && ARM && (ARCH_EFM32 \|\| COMPILE_TEST)
09ca2757	103	select CLKSRC_MMIO
9c9b7818 UKK	104	default ARCH_EFM32
	105	help
	106	Support to use the timers of EFM32 SoCs as clock source and clock
	107	event device.
	108
050dd322 JE	109	config CLKSRC_LPC32XX
	110	bool
	111	select CLKSRC_MMIO
	112	select CLKSRC_OF
	113
e37e4593	114	config CLKSRC_STM32
1cb6c215 PG	115	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
1cb6c215 PG	116	depends on OF && ARM && (ARCH_STM32 \|\| COMPILE_TEST)
e37e4593 MC	117	select CLKSRC_MMIO
e37e4593 MC	118
8a4da6e3 MR	119	config ARM_ARCH_TIMER
8a4da6e3 MR	120	bool
0583fe47	121	select CLKSRC_OF if OF
a2c5d4ed	122
037f6377 WD	123	config ARM_ARCH_TIMER_EVTSTREAM
	124	bool "Support for ARM architected timer event stream generation"
	125	default y if ARM_ARCH_TIMER
77f7ce9a	126	depends on ARM_ARCH_TIMER
037f6377 WD	127	help
	128	This option enables support for event stream generation based on
	129	the ARM architected timer. It is used for waking up CPUs executing
	130	the wfe instruction at a frequency represented as a power-of-2
	131	divisor of the clock rate.
	132	The main use of the event stream is wfe-based timeouts of userspace
	133	locking implementations. It might also be useful for imposing timeout
	134	on wfe to safeguard against any programming errors in case an expected
	135	event is not generated.
	136	This must be disabled for hardware validation purposes to detect any
	137	hardware anomalies of missing events.
	138
c1b40e44 SM	139	config ARM_GLOBAL_TIMER
	140	bool
	141	select CLKSRC_OF if OF
	142	help
	143	This options enables support for the ARM global timer unit
	144
	145	config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
	146	bool
	147	depends on ARM_GLOBAL_TIMER
	148	default y
	149	help
	150	Use ARM global timer clock source as sched_clock
	151
4958ebb3 MC	152	config ARMV7M_SYSTICK
	153	bool
	154	select CLKSRC_OF if OF
	155	select CLKSRC_MMIO
	156	help
	157	This options enables support for the ARMv7M system timer unit
	158
b052ff30 MR	159	config ATMEL_PIT
	160	select CLKSRC_OF if OF
	161	def_bool SOC_AT91SAM9 \|\| SOC_SAMA5
	162
b53cdd03 AB	163	config ATMEL_ST
	164	bool
	165	select CLKSRC_OF
7ab7ef74	166	select MFD_SYSCON
b53cdd03	167
a2c5d4ed JH	168	config CLKSRC_METAG_GENERIC
	169	def_bool y if METAG
	170	help
	171	This option enables support for the Meta per-thread timers.
6938d75a TA	172
	173	config CLKSRC_EXYNOS_MCT
	174	def_bool y if ARCH_EXYNOS
3252a646	175	depends on !ARM64
6938d75a TA	176	help
6938d75a TA	177	Support for Multi Core Timer controller on Exynos SoCs.
241a9871	178
f1189989	179	config CLKSRC_SAMSUNG_PWM
77d84434	180	bool
f1189989 TF	181	help
	182	This is a new clocksource driver for the PWM timer found in
	183	Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
	184	for all devicetree enabled platforms. This driver will be
	185	needed only on systems that do not have the Exynos MCT available.
c1967249	186
2529c3a3 XL	187	config FSL_FTM_TIMER
	188	bool
	189	help
	190	Support for Freescale FlexTimer Module (FTM) timer.
	191
c1967249 JL	192	config VF_PIT_TIMER
	193	bool
	194	help
	195	Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
fd3f1270 MD	196
	197	config SYS_SUPPORTS_SH_CMT
	198	bool
	199
ecb3530d MB	200	config MTK_TIMER
	201	select CLKSRC_OF
	202	select CLKSRC_MMIO
	203	bool
	204
fd3f1270 MD	205	config SYS_SUPPORTS_SH_MTU2
	206	bool
	207
	208	config SYS_SUPPORTS_SH_TMU
	209	bool
	210
	211	config SYS_SUPPORTS_EM_STI
	212	bool
	213
	214	config SH_TIMER_CMT
	215	bool "Renesas CMT timer driver" if COMPILE_TEST
87291a92	216	depends on GENERIC_CLOCKEVENTS
11bc26fe	217	depends on HAS_IOMEM
fd3f1270 MD	218	default SYS_SUPPORTS_SH_CMT
	219	help
	220	This enables build of a clocksource and clockevent driver for
	221	the Compare Match Timer (CMT) hardware available in 16/32/48-bit
	222	variants on a wide range of Mobile and Automotive SoCs from Renesas.
	223
	224	config SH_TIMER_MTU2
	225	bool "Renesas MTU2 timer driver" if COMPILE_TEST
87291a92	226	depends on GENERIC_CLOCKEVENTS
11bc26fe	227	depends on HAS_IOMEM
fd3f1270 MD	228	default SYS_SUPPORTS_SH_MTU2
	229	help
	230	This enables build of a clockevent driver for the Multi-Function
7e139187	231	Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
fd3f1270 MD	232	This hardware comes with 16 bit-timer registers.
	233
	234	config SH_TIMER_TMU
	235	bool "Renesas TMU timer driver" if COMPILE_TEST
87291a92	236	depends on GENERIC_CLOCKEVENTS
11bc26fe	237	depends on HAS_IOMEM
fd3f1270 MD	238	default SYS_SUPPORTS_SH_TMU
	239	help
	240	This enables build of a clocksource and clockevent driver for
	241	the 32-bit Timer Unit (TMU) hardware available on a wide range
	242	SoCs from Renesas.
	243
	244	config EM_TIMER_STI
	245	bool "Renesas STI timer driver" if COMPILE_TEST
40c96312	246	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
fd3f1270 MD	247	default SYS_SUPPORTS_EM_STI
	248	help
	249	This enables build of a clocksource and clockevent driver for
	250	the 48-bit System Timer (STI) hardware available on a SoCs
	251	such as EMEV2 from former NEC Electronics.
dfc25e45	252
3f8e8cee KG	253	config CLKSRC_QCOM
3f8e8cee KG	254	bool
220e2a8d PM	255
	256	config CLKSRC_VERSATILE
	257	bool "ARM Versatile (Express) reference platforms clock source"
ff37015b	258	depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
220e2a8d PM	259	select CLKSRC_OF
	260	default y if MFD_VEXPRESS_SYSREG
	261	help
	262	This option enables clock source based on free running
	263	counter available in the "System Registers" block of
	264	ARM Versatile, RealView and Versatile Express reference
	265	platforms.
58394271	266
fa5635a2 AB	267	config CLKSRC_MIPS_GIC
	268	bool
	269	depends on MIPS_GIC
e12aa828	270	select CLKSRC_OF
fa5635a2	271
e074ff86 DES	272	config CLKSRC_PXA
	273	def_bool y if ARCH_PXA \|\| ARCH_SA1100
	274	select CLKSRC_OF if USE_OF
	275	help
	276	This enables OST0 support available on PXA and SA-11x0
	277	platforms.
618b902d YS	278
	279	config H8300_TMR16
	280	bool
	281
	282	config H8300_TPU
	283	bool
	284
58394271	285	endmenu