[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / drivers / clocksource / Kconfig

menu "Clock Source drivers"
	depends on !ARCH_USES_GETTIMEOFFSET

config CLKSRC_OF
	bool
	select CLKSRC_PROBE

config CLKSRC_ACPI
	bool
	select CLKSRC_PROBE

config CLKSRC_PROBE
	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_PISTACHIO
	bool
	select CLKSRC_OF

config CLKSRC_TI_32K
	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
	depends on GENERIC_SCHED_CLOCK
	select CLKSRC_OF if OF
	help
	  This option enables support for Texas Instruments 32.768 Hz clocksource
	  available on many OMAP-like platforms.

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
	select CLKSRC_ACPI if ACPI

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_ARCH_TIMER_VCT_ACCESS
	bool "Support for ARM architected timer virtual counter access in userspace"
	default !ARM64
	depends on ARM_ARCH_TIMER
	help
	  This option enables support for reading the ARM architected timer's
	  virtual counter in userspace.

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

config ARM_TIMER_SP804
	bool "Support for Dual Timer SP804 module"
	depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
	select CLKSRC_MMIO
	select CLKSRC_OF if OF

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
	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_TANGO_XTAL
	bool
	select CLKSRC_OF

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

config H8300_TMR16
        bool

config H8300_TPU
        bool

config CLKSRC_IMX_GPT
	bool "Clocksource using i.MX GPT" if COMPILE_TEST
	depends on ARM && CLKDEV_LOOKUP
	select CLKSRC_MMIO

config CLKSRC_ST_LPC
	bool
	depends on ARCH_STI
	select CLKSRC_OF if OF
	help
	  Enable this option to use the Low Power controller timer
	  as clocksource.

endmenu
Commit	Line	Data
58394271	1	menu "Clock Source drivers"
3da6d49e	2	depends on !ARCH_USES_GETTIMEOFFSET
58394271	3
ae278a93 SW	4	config CLKSRC_OF
ae278a93 SW	5	bool
aad83b15 MZ	6	select CLKSRC_PROBE
	7
	8	config CLKSRC_ACPI
	9	bool
	10	select CLKSRC_PROBE
	11
	12	config CLKSRC_PROBE
	13	bool
ae278a93	14
89c0b8e2 RK	15	config CLKSRC_I8253
89c0b8e2 RK	16	bool
442c8176	17
e6220bdc TG	18	config CLKEVT_I8253
	19	bool
	20
15f304b6 RB	21	config I8253_LOCK
	22	bool
	23
	24	config CLKBLD_I8253
e6220bdc	25	def_bool y if CLKSRC_I8253 \|\| CLKEVT_I8253 \|\| I8253_LOCK
15f304b6	26
442c8176 RK	27	config CLKSRC_MMIO
442c8176 RK	28	bool
06c3df49	29
9b8bb773 BS	30	config DIGICOLOR_TIMER
	31	bool
	32
06c3df49 JI	33	config DW_APB_TIMER
06c3df49 JI	34	bool
489bccea	35
cfda5901 DN	36	config DW_APB_TIMER_OF
cfda5901 DN	37	bool
1b4eca0f	38	select DW_APB_TIMER
10021488	39	select CLKSRC_OF
cfda5901	40
468b8c4c DL	41	config ROCKCHIP_TIMER
	42	bool
	43	select CLKSRC_OF
	44
6fe9cbd1 GC	45	config ARMADA_370_XP_TIMER
6fe9cbd1 GC	46	bool
7b0dd72a	47	select CLKSRC_OF
6fe9cbd1	48
e4a6b378 CC	49	config MESON6_TIMER
e4a6b378 CC	50	bool
7b6b0a45	51	select CLKSRC_MMIO
e4a6b378	52
0c1dcfd5 SH	53	config ORION_TIMER
	54	select CLKSRC_OF
	55	select CLKSRC_MMIO
	56	bool
	57
119fd635	58	config SUN4I_TIMER
71c568c0	59	select CLKSRC_MMIO
b2ac5d75 MR	60	bool
b2ac5d75 MR	61
67905540 MR	62	config SUN5I_HSTIMER
	63	select CLKSRC_MMIO
	64	bool
	65
910978e7 TR	66	config TEGRA_TIMER
	67	bool
	68
ff7ec345 TP	69	config VT8500_TIMER
	70	bool
	71
4f0f234f MS	72	config CADENCE_TTC_TIMER
	73	bool
	74
a8b1b9fc DL	75	config ASM9260_TIMER
	76	bool
	77	select CLKSRC_MMIO
	78	select CLKSRC_OF
	79
694e33a7 LW	80	config CLKSRC_NOMADIK_MTU
	81	bool
	82	depends on (ARCH_NOMADIK \|\| ARCH_U8500)
	83	select CLKSRC_MMIO
	84	help
	85	Support for Multi Timer Unit. MTU provides access
	86	to multiple interrupt generating programmable
	87	32-bit free running decrementing counters.
	88
	89	config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
	90	bool
	91	depends on CLKSRC_NOMADIK_MTU
	92	help
	93	Use the Multi Timer Unit as the sched_clock.
	94
489bccea MW	95	config CLKSRC_DBX500_PRCMU
489bccea MW	96	bool "Clocksource PRCMU Timer"
29746f48	97	depends on UX500_SOC_DB8500
489bccea MW	98	default y
	99	help
	100	Use the always on PRCMU Timer as clocksource
	101
	102	config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
	103	bool "Clocksource PRCMU Timer sched_clock"
694e33a7	104	depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
489bccea MW	105	default y
	106	help
	107	Use the always on PRCMU Timer as sched_clock
985c0679	108
9c9b7818 UKK	109	config CLKSRC_EFM32
	110	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
	111	depends on OF && ARM && (ARCH_EFM32 \|\| COMPILE_TEST)
09ca2757	112	select CLKSRC_MMIO
9c9b7818 UKK	113	default ARCH_EFM32
	114	help
	115	Support to use the timers of EFM32 SoCs as clock source and clock
	116	event device.
	117
050dd322 JE	118	config CLKSRC_LPC32XX
	119	bool
	120	select CLKSRC_MMIO
	121	select CLKSRC_OF
	122
84583983 EG	123	config CLKSRC_PISTACHIO
	124	bool
	125	select CLKSRC_OF
	126
fe851f56 FB	127	config CLKSRC_TI_32K
fe851f56 FB	128	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
dfedaf10	129	depends on GENERIC_SCHED_CLOCK
fe851f56 FB	130	select CLKSRC_OF if OF
	131	help
	132	This option enables support for Texas Instruments 32.768 Hz clocksource
	133	available on many OMAP-like platforms.
	134
e37e4593	135	config CLKSRC_STM32
1cb6c215 PG	136	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
1cb6c215 PG	137	depends on OF && ARM && (ARCH_STM32 \|\| COMPILE_TEST)
e37e4593 MC	138	select CLKSRC_MMIO
e37e4593 MC	139
8a4da6e3 MR	140	config ARM_ARCH_TIMER
8a4da6e3 MR	141	bool
0583fe47	142	select CLKSRC_OF if OF
ae281cbd	143	select CLKSRC_ACPI if ACPI
a2c5d4ed	144
037f6377 WD	145	config ARM_ARCH_TIMER_EVTSTREAM
	146	bool "Support for ARM architected timer event stream generation"
	147	default y if ARM_ARCH_TIMER
77f7ce9a	148	depends on ARM_ARCH_TIMER
037f6377 WD	149	help
	150	This option enables support for event stream generation based on
	151	the ARM architected timer. It is used for waking up CPUs executing
	152	the wfe instruction at a frequency represented as a power-of-2
	153	divisor of the clock rate.
	154	The main use of the event stream is wfe-based timeouts of userspace
	155	locking implementations. It might also be useful for imposing timeout
	156	on wfe to safeguard against any programming errors in case an expected
	157	event is not generated.
	158	This must be disabled for hardware validation purposes to detect any
	159	hardware anomalies of missing events.
	160
618a5108 GH	161	config ARM_ARCH_TIMER_VCT_ACCESS
	162	bool "Support for ARM architected timer virtual counter access in userspace"
	163	default !ARM64
	164	depends on ARM_ARCH_TIMER
	165	help
	166	This option enables support for reading the ARM architected timer's
	167	virtual counter in userspace.
	168
c1b40e44 SM	169	config ARM_GLOBAL_TIMER
	170	bool
	171	select CLKSRC_OF if OF
	172	help
	173	This options enables support for the ARM global timer unit
	174
0b7402dc SH	175	config ARM_TIMER_SP804
0b7402dc SH	176	bool "Support for Dual Timer SP804 module"
002af195	177	depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
0b7402dc SH	178	select CLKSRC_MMIO
	179	select CLKSRC_OF if OF
	180
c1b40e44 SM	181	config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
	182	bool
	183	depends on ARM_GLOBAL_TIMER
	184	default y
	185	help
	186	Use ARM global timer clock source as sched_clock
	187
4958ebb3 MC	188	config ARMV7M_SYSTICK
	189	bool
	190	select CLKSRC_OF if OF
	191	select CLKSRC_MMIO
	192	help
	193	This options enables support for the ARMv7M system timer unit
	194
b052ff30 MR	195	config ATMEL_PIT
	196	select CLKSRC_OF if OF
	197	def_bool SOC_AT91SAM9 \|\| SOC_SAMA5
	198
b53cdd03 AB	199	config ATMEL_ST
	200	bool
	201	select CLKSRC_OF
7ab7ef74	202	select MFD_SYSCON
b53cdd03	203
a2c5d4ed JH	204	config CLKSRC_METAG_GENERIC
	205	def_bool y if METAG
	206	help
	207	This option enables support for the Meta per-thread timers.
6938d75a TA	208
	209	config CLKSRC_EXYNOS_MCT
	210	def_bool y if ARCH_EXYNOS
	211	help
	212	Support for Multi Core Timer controller on Exynos SoCs.
241a9871	213
f1189989	214	config CLKSRC_SAMSUNG_PWM
77d84434	215	bool
f1189989 TF	216	help
	217	This is a new clocksource driver for the PWM timer found in
	218	Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
	219	for all devicetree enabled platforms. This driver will be
	220	needed only on systems that do not have the Exynos MCT available.
c1967249	221
2529c3a3 XL	222	config FSL_FTM_TIMER
	223	bool
	224	help
	225	Support for Freescale FlexTimer Module (FTM) timer.
	226
c1967249 JL	227	config VF_PIT_TIMER
	228	bool
	229	help
	230	Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
fd3f1270 MD	231
	232	config SYS_SUPPORTS_SH_CMT
	233	bool
	234
ecb3530d MB	235	config MTK_TIMER
	236	select CLKSRC_OF
	237	select CLKSRC_MMIO
	238	bool
	239
fd3f1270 MD	240	config SYS_SUPPORTS_SH_MTU2
	241	bool
	242
	243	config SYS_SUPPORTS_SH_TMU
	244	bool
	245
	246	config SYS_SUPPORTS_EM_STI
	247	bool
	248
	249	config SH_TIMER_CMT
	250	bool "Renesas CMT timer driver" if COMPILE_TEST
87291a92	251	depends on GENERIC_CLOCKEVENTS
11bc26fe	252	depends on HAS_IOMEM
fd3f1270 MD	253	default SYS_SUPPORTS_SH_CMT
	254	help
	255	This enables build of a clocksource and clockevent driver for
	256	the Compare Match Timer (CMT) hardware available in 16/32/48-bit
	257	variants on a wide range of Mobile and Automotive SoCs from Renesas.
	258
	259	config SH_TIMER_MTU2
	260	bool "Renesas MTU2 timer driver" if COMPILE_TEST
87291a92	261	depends on GENERIC_CLOCKEVENTS
11bc26fe	262	depends on HAS_IOMEM
fd3f1270 MD	263	default SYS_SUPPORTS_SH_MTU2
	264	help
	265	This enables build of a clockevent driver for the Multi-Function
7e139187	266	Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
fd3f1270 MD	267	This hardware comes with 16 bit-timer registers.
	268
	269	config SH_TIMER_TMU
	270	bool "Renesas TMU timer driver" if COMPILE_TEST
87291a92	271	depends on GENERIC_CLOCKEVENTS
11bc26fe	272	depends on HAS_IOMEM
fd3f1270 MD	273	default SYS_SUPPORTS_SH_TMU
	274	help
	275	This enables build of a clocksource and clockevent driver for
	276	the 32-bit Timer Unit (TMU) hardware available on a wide range
	277	SoCs from Renesas.
	278
	279	config EM_TIMER_STI
	280	bool "Renesas STI timer driver" if COMPILE_TEST
40c96312	281	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
fd3f1270 MD	282	default SYS_SUPPORTS_EM_STI
	283	help
	284	This enables build of a clocksource and clockevent driver for
	285	the 48-bit System Timer (STI) hardware available on a SoCs
	286	such as EMEV2 from former NEC Electronics.
dfc25e45	287
3f8e8cee KG	288	config CLKSRC_QCOM
3f8e8cee KG	289	bool
220e2a8d PM	290
	291	config CLKSRC_VERSATILE
	292	bool "ARM Versatile (Express) reference platforms clock source"
ff37015b	293	depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
220e2a8d PM	294	select CLKSRC_OF
	295	default y if MFD_VEXPRESS_SYSREG
	296	help
	297	This option enables clock source based on free running
	298	counter available in the "System Registers" block of
	299	ARM Versatile, RealView and Versatile Express reference
	300	platforms.
58394271	301
fa5635a2 AB	302	config CLKSRC_MIPS_GIC
	303	bool
	304	depends on MIPS_GIC
e12aa828	305	select CLKSRC_OF
fa5635a2	306
ccd63ce4 MG	307	config CLKSRC_TANGO_XTAL
	308	bool
	309	select CLKSRC_OF
	310
e074ff86 DES	311	config CLKSRC_PXA
e074ff86 DES	312	def_bool y if ARCH_PXA \|\| ARCH_SA1100
02760b11	313	select CLKSRC_OF if OF
e074ff86 DES	314	help
	315	This enables OST0 support available on PXA and SA-11x0
	316	platforms.
618b902d YS	317
	318	config H8300_TMR16
	319	bool
	320
	321	config H8300_TPU
	322	bool
	323
bea5af41 SG	324	config CLKSRC_IMX_GPT
	325	bool "Clocksource using i.MX GPT" if COMPILE_TEST
	326	depends on ARM && CLKDEV_LOOKUP
	327	select CLKSRC_MMIO
	328
70bef01c LJ	329	config CLKSRC_ST_LPC
	330	bool
	331	depends on ARCH_STI
	332	select CLKSRC_OF if OF
	333	help
	334	Enable this option to use the Low Power controller timer
	335	as clocksource.
	336
58394271	337	endmenu