[deliverable/linux.git] / drivers / cpufreq / Kconfig.arm

#
# ARM CPU Frequency scaling drivers
#

# big LITTLE core layer and glue drivers
config ARM_BIG_LITTLE_CPUFREQ
	tristate "Generic ARM big LITTLE CPUfreq driver"
	depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
	select PM_OPP
	help
	  This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.

config ARM_DT_BL_CPUFREQ
	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
	depends on ARM_BIG_LITTLE_CPUFREQ && OF
	help
	  This enables probing via DT for Generic CPUfreq driver for ARM
	  big.LITTLE platform. This gets frequency tables from DT.

config ARM_VEXPRESS_SPC_CPUFREQ
        tristate "Versatile Express SPC based CPUfreq driver"
	depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
        help
          This add the CPUfreq driver support for Versatile Express
	  big.LITTLE platforms using SPC for power management.


config ARM_EXYNOS_CPUFREQ
	tristate "SAMSUNG EXYNOS CPUfreq Driver"
	depends on CPU_EXYNOS4210 || SOC_EXYNOS4212 || SOC_EXYNOS4412 || SOC_EXYNOS5250
	depends on THERMAL
	help
	  This adds the CPUFreq driver for Samsung EXYNOS platforms.
	  Supported SoC versions are:
	     Exynos4210, Exynos4212, Exynos4412, and Exynos5250.

	  If in doubt, say N.

config ARM_EXYNOS4210_CPUFREQ
	bool "SAMSUNG EXYNOS4210"
	depends on CPU_EXYNOS4210
	depends on ARM_EXYNOS_CPUFREQ
	default y
	help
	  This adds the CPUFreq driver for Samsung EXYNOS4210
	  SoC (S5PV310 or S5PC210).

	  If in doubt, say N.

config ARM_EXYNOS4X12_CPUFREQ
	bool "SAMSUNG EXYNOS4x12"
	depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
	depends on ARM_EXYNOS_CPUFREQ
	default y
	help
	  This adds the CPUFreq driver for Samsung EXYNOS4X12
	  SoC (EXYNOS4212 or EXYNOS4412).

	  If in doubt, say N.

config ARM_EXYNOS5250_CPUFREQ
	bool "SAMSUNG EXYNOS5250"
	depends on SOC_EXYNOS5250
	depends on ARM_EXYNOS_CPUFREQ
	default y
	help
	  This adds the CPUFreq driver for Samsung EXYNOS5250
	  SoC.

	  If in doubt, say N.

config ARM_EXYNOS_CPU_FREQ_BOOST_SW
	bool "EXYNOS Frequency Overclocking - Software"
	depends on ARM_EXYNOS_CPUFREQ && THERMAL
	select CPU_FREQ_BOOST_SW
	select EXYNOS_THERMAL
	help
	  This driver supports software managed overclocking (BOOST).
	  It allows usage of special frequencies for Samsung Exynos
	  processors if thermal conditions are appropriate.

	  It requires, for safe operation, thermal framework with properly
	  defined trip points.

	  If in doubt, say N.

config ARM_EXYNOS5440_CPUFREQ
	tristate "SAMSUNG EXYNOS5440"
	depends on SOC_EXYNOS5440
	depends on HAVE_CLK && OF
	select PM_OPP
	default y
	help
	  This adds the CPUFreq driver for Samsung EXYNOS5440
	  SoC. The nature of exynos5440 clock controller is
	  different than previous exynos controllers so not using
	  the common exynos framework.

	  If in doubt, say N.

config ARM_HIGHBANK_CPUFREQ
	tristate "Calxeda Highbank-based"
	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
	default m
	help
	  This adds the CPUFreq driver for Calxeda Highbank SoC
	  based boards.

	  If in doubt, say N.

config ARM_HISI_ACPU_CPUFREQ
	tristate "Hisilicon ACPU CPUfreq driver"
	depends on ARCH_HISI && CPUFREQ_DT
	select PM_OPP
	help
	  This enables the hisilicon ACPU CPUfreq driver.

	  If in doubt, say N.

config ARM_IMX6Q_CPUFREQ
	tristate "Freescale i.MX6 cpufreq support"
	depends on ARCH_MXC
	depends on REGULATOR_ANATOP
	select PM_OPP
	help
	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.

	  If in doubt, say N.

config ARM_INTEGRATOR
	tristate "CPUfreq driver for ARM Integrator CPUs"
	depends on ARCH_INTEGRATOR
	default y
	help
	  This enables the CPUfreq driver for ARM Integrator CPUs.
	  If in doubt, say Y.

config ARM_KIRKWOOD_CPUFREQ
	def_bool MACH_KIRKWOOD
	help
	  This adds the CPUFreq driver for Marvell Kirkwood
	  SoCs.

config ARM_OMAP2PLUS_CPUFREQ
	bool "TI OMAP2+"
	depends on ARCH_OMAP2PLUS
	default ARCH_OMAP2PLUS

config ARM_S3C_CPUFREQ
	bool
	help
	  Internal configuration node for common cpufreq on Samsung SoC

config ARM_S3C24XX_CPUFREQ
	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	depends on ARCH_S3C24XX
	select ARM_S3C_CPUFREQ
	help
	  This enables the CPUfreq driver for the Samsung S3C24XX family
	  of CPUs.

	  For details, take a look at <file:Documentation/cpu-freq>.

	  If in doubt, say N.

config ARM_S3C24XX_CPUFREQ_DEBUG
	bool "Debug CPUfreq Samsung driver core"
	depends on ARM_S3C24XX_CPUFREQ
	help
	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core

config ARM_S3C24XX_CPUFREQ_IODEBUG
	bool "Debug CPUfreq Samsung driver IO timing"
	depends on ARM_S3C24XX_CPUFREQ
	help
	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core

config ARM_S3C24XX_CPUFREQ_DEBUGFS
	bool "Export debugfs for CPUFreq"
	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	help
	  Export status information via debugfs.

config ARM_S3C2410_CPUFREQ
	bool
	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	select S3C2410_CPUFREQ_UTILS
	help
	  CPU Frequency scaling support for S3C2410

config ARM_S3C2412_CPUFREQ
	bool
	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	default y
	select S3C2412_IOTIMING
	help
	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.

config ARM_S3C2416_CPUFREQ
	bool "S3C2416 CPU Frequency scaling support"
	depends on CPU_S3C2416
	help
	  This adds the CPUFreq driver for the Samsung S3C2416 and
	  S3C2450 SoC. The S3C2416 supports changing the rate of the
	  armdiv clock source and also entering a so called dynamic
	  voltage scaling mode in which it is possible to reduce the
	  core voltage of the CPU.

	  If in doubt, say N.

config ARM_S3C2416_CPUFREQ_VCORESCALE
	bool "Allow voltage scaling for S3C2416 arm core"
	depends on ARM_S3C2416_CPUFREQ && REGULATOR
	help
	  Enable CPU voltage scaling when entering the dvs mode.
	  It uses information gathered through existing hardware and
	  tests but not documented in any datasheet.

	  If in doubt, say N.

config ARM_S3C2440_CPUFREQ
	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
	select S3C2410_CPUFREQ_UTILS
	default y
	help
	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.

config ARM_S3C64XX_CPUFREQ
	bool "Samsung S3C64XX"
	depends on CPU_S3C6410
	default y
	help
	  This adds the CPUFreq driver for Samsung S3C6410 SoC.

	  If in doubt, say N.

config ARM_S5PV210_CPUFREQ
	bool "Samsung S5PV210 and S5PC110"
	depends on CPU_S5PV210
	default y
	help
	  This adds the CPUFreq driver for Samsung S5PV210 and
	  S5PC110 SoCs.

	  If in doubt, say N.

config ARM_SA1100_CPUFREQ
	bool

config ARM_SA1110_CPUFREQ
	bool

config ARM_SPEAR_CPUFREQ
	bool "SPEAr CPUFreq support"
	depends on PLAT_SPEAR
	default y
	help
	  This adds the CPUFreq driver support for SPEAr SOCs.

config ARM_TEGRA_CPUFREQ
	bool "TEGRA CPUFreq support"
	depends on ARCH_TEGRA
	default y
	help
	  This adds the CPUFreq driver support for TEGRA SOCs.

config ARM_PXA2xx_CPUFREQ
	tristate "Intel PXA2xx CPUfreq driver"
	depends on PXA27x || PXA25x
	help
	  This add the CPUFreq driver support for Intel PXA2xx SOCs.

	  If in doubt, say N.
Commit	Line	Data
f7d77079 KK	1	#
	2	# ARM CPU Frequency scaling drivers
	3	#
	4
3b84d58d	5	# big LITTLE core layer and glue drivers
8a67f0ef	6	config ARM_BIG_LITTLE_CPUFREQ
99af7711	7	tristate "Generic ARM big LITTLE CPUfreq driver"
57aa5ea0	8	depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
109df086	9	select PM_OPP
99af7711 VK	10	help
99af7711 VK	11	This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
8a67f0ef VK	12
8a67f0ef VK	13	config ARM_DT_BL_CPUFREQ
99af7711 VK	14	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
99af7711 VK	15	depends on ARM_BIG_LITTLE_CPUFREQ && OF
8a67f0ef	16	help
99af7711 VK	17	This enables probing via DT for Generic CPUfreq driver for ARM
99af7711 VK	18	big.LITTLE platform. This gets frequency tables from DT.
8a67f0ef	19
3b84d58d	20	config ARM_VEXPRESS_SPC_CPUFREQ
	21	tristate "Versatile Express SPC based CPUfreq driver"
	22	depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
	23	help
	24	This add the CPUfreq driver support for Versatile Express
	25	big.LITTLE platforms using SPC for power management.
	26
	27
a0ea048a	28	config ARM_EXYNOS_CPUFREQ
8b2b4a4e AB	29	tristate "SAMSUNG EXYNOS CPUfreq Driver"
	30	depends on CPU_EXYNOS4210 \|\| SOC_EXYNOS4212 \|\| SOC_EXYNOS4412 \|\| SOC_EXYNOS5250
	31	depends on THERMAL
	32	help
	33	This adds the CPUFreq driver for Samsung EXYNOS platforms.
	34	Supported SoC versions are:
	35	Exynos4210, Exynos4212, Exynos4412, and Exynos5250.
	36
	37	If in doubt, say N.
a0ea048a VK	38
a0ea048a VK	39	config ARM_EXYNOS4210_CPUFREQ
45e12086	40	bool "SAMSUNG EXYNOS4210"
4c8d8193	41	depends on CPU_EXYNOS4210
8b2b4a4e	42	depends on ARM_EXYNOS_CPUFREQ
45e12086	43	default y
a0ea048a VK	44	help
	45	This adds the CPUFreq driver for Samsung EXYNOS4210
	46	SoC (S5PV310 or S5PC210).
	47
45e12086 BZ	48	If in doubt, say N.
45e12086 BZ	49
a0ea048a	50	config ARM_EXYNOS4X12_CPUFREQ
45e12086	51	bool "SAMSUNG EXYNOS4x12"
4c8d8193	52	depends on SOC_EXYNOS4212 \|\| SOC_EXYNOS4412
8b2b4a4e	53	depends on ARM_EXYNOS_CPUFREQ
45e12086	54	default y
a0ea048a VK	55	help
	56	This adds the CPUFreq driver for Samsung EXYNOS4X12
	57	SoC (EXYNOS4212 or EXYNOS4412).
	58
45e12086 BZ	59	If in doubt, say N.
45e12086 BZ	60
a0ea048a	61	config ARM_EXYNOS5250_CPUFREQ
45e12086	62	bool "SAMSUNG EXYNOS5250"
4c8d8193	63	depends on SOC_EXYNOS5250
8b2b4a4e	64	depends on ARM_EXYNOS_CPUFREQ
45e12086	65	default y
a0ea048a VK	66	help
	67	This adds the CPUFreq driver for Samsung EXYNOS5250
	68	SoC.
	69
45e12086 BZ	70	If in doubt, say N.
45e12086 BZ	71
2fb4719b LM	72	config ARM_EXYNOS_CPU_FREQ_BOOST_SW
2fb4719b LM	73	bool "EXYNOS Frequency Overclocking - Software"
0a2e912d	74	depends on ARM_EXYNOS_CPUFREQ && THERMAL
2fb4719b LM	75	select CPU_FREQ_BOOST_SW
	76	select EXYNOS_THERMAL
	77	help
	78	This driver supports software managed overclocking (BOOST).
	79	It allows usage of special frequencies for Samsung Exynos
	80	processors if thermal conditions are appropriate.
	81
735dc249	82	It requires, for safe operation, thermal framework with properly
2fb4719b LM	83	defined trip points.
	84
	85	If in doubt, say N.
	86
8b2b4a4e AB	87	config ARM_EXYNOS5440_CPUFREQ
	88	tristate "SAMSUNG EXYNOS5440"
	89	depends on SOC_EXYNOS5440
	90	depends on HAVE_CLK && OF
	91	select PM_OPP
	92	default y
	93	help
	94	This adds the CPUFreq driver for Samsung EXYNOS5440
	95	SoC. The nature of exynos5440 clock controller is
	96	different than previous exynos controllers so not using
	97	the common exynos framework.
	98
	99	If in doubt, say N.
	100
a0ea048a VK	101	config ARM_HIGHBANK_CPUFREQ
a0ea048a VK	102	tristate "Calxeda Highbank-based"
bbcf0719	103	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
a0ea048a VK	104	default m
	105	help
	106	This adds the CPUFreq driver for Calxeda Highbank SoC
	107	based boards.
	108
	109	If in doubt, say N.
	110
5acb972f LY	111	config ARM_HISI_ACPU_CPUFREQ
	112	tristate "Hisilicon ACPU CPUfreq driver"
	113	depends on ARCH_HISI && CPUFREQ_DT
	114	select PM_OPP
	115	help
	116	This enables the hisilicon ACPU CPUfreq driver.
	117
	118	If in doubt, say N.
	119
a0ea048a	120	config ARM_IMX6Q_CPUFREQ
1d0eaae9 SG	121	tristate "Freescale i.MX6 cpufreq support"
1d0eaae9 SG	122	depends on ARCH_MXC
a0ea048a	123	depends on REGULATOR_ANATOP
7e021687	124	select PM_OPP
a0ea048a	125	help
1d0eaae9	126	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	127
	128	If in doubt, say N.
	129
b7e614c8 VK	130	config ARM_INTEGRATOR
	131	tristate "CPUfreq driver for ARM Integrator CPUs"
	132	depends on ARCH_INTEGRATOR
	133	default y
	134	help
	135	This enables the CPUfreq driver for ARM Integrator CPUs.
	136	If in doubt, say Y.
	137
a0ea048a	138	config ARM_KIRKWOOD_CPUFREQ
6c8df11d	139	def_bool MACH_KIRKWOOD
a0ea048a VK	140	help
	141	This adds the CPUFreq driver for Marvell Kirkwood
	142	SoCs.
	143
b09db45c RK	144	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	145	bool "TI OMAP2+"
2d59dcfb	146	depends on ARCH_OMAP2PLUS
b09db45c	147	default ARCH_OMAP2PLUS
b09db45c	148
f023f8dd VK	149	config ARM_S3C_CPUFREQ
	150	bool
	151	help
	152	Internal configuration node for common cpufreq on Samsung SoC
	153
	154	config ARM_S3C24XX_CPUFREQ
	155	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	156	depends on ARCH_S3C24XX
	157	select ARM_S3C_CPUFREQ
	158	help
	159	This enables the CPUfreq driver for the Samsung S3C24XX family
	160	of CPUs.
	161
	162	For details, take a look at <file:Documentation/cpu-freq>.
	163
	164	If in doubt, say N.
	165
	166	config ARM_S3C24XX_CPUFREQ_DEBUG
	167	bool "Debug CPUfreq Samsung driver core"
	168	depends on ARM_S3C24XX_CPUFREQ
	169	help
	170	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	171
	172	config ARM_S3C24XX_CPUFREQ_IODEBUG
	173	bool "Debug CPUfreq Samsung driver IO timing"
	174	depends on ARM_S3C24XX_CPUFREQ
	175	help
	176	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	177
	178	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	179	bool "Export debugfs for CPUFreq"
	180	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	181	help
	182	Export status information via debugfs.
	183
	184	config ARM_S3C2410_CPUFREQ
	185	bool
	186	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	187	select S3C2410_CPUFREQ_UTILS
	188	help
	189	CPU Frequency scaling support for S3C2410
	190
	191	config ARM_S3C2412_CPUFREQ
	192	bool
	193	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	194	default y
	195	select S3C2412_IOTIMING
	196	help
	197	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	198
34ee5507 HS	199	config ARM_S3C2416_CPUFREQ
	200	bool "S3C2416 CPU Frequency scaling support"
	201	depends on CPU_S3C2416
	202	help
	203	This adds the CPUFreq driver for the Samsung S3C2416 and
	204	S3C2450 SoC. The S3C2416 supports changing the rate of the
	205	armdiv clock source and also entering a so called dynamic
	206	voltage scaling mode in which it is possible to reduce the
735dc249	207	core voltage of the CPU.
34ee5507 HS	208
	209	If in doubt, say N.
	210
	211	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	212	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	213	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	214	help
	215	Enable CPU voltage scaling when entering the dvs mode.
	216	It uses information gathered through existing hardware and
	217	tests but not documented in any datasheet.
	218
	219	If in doubt, say N.
	220
f023f8dd VK	221	config ARM_S3C2440_CPUFREQ
	222	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	223	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	224	select S3C2410_CPUFREQ_UTILS
	225	default y
	226	help
	227	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	228
15964d38 KK	229	config ARM_S3C64XX_CPUFREQ
	230	bool "Samsung S3C64XX"
	231	depends on CPU_S3C6410
	232	default y
	233	help
	234	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	235
	236	If in doubt, say N.
	237
f7d77079 KK	238	config ARM_S5PV210_CPUFREQ
	239	bool "Samsung S5PV210 and S5PC110"
	240	depends on CPU_S5PV210
	241	default y
	242	help
	243	This adds the CPUFreq driver for Samsung S5PV210 and
	244	S5PC110 SoCs.
	245
	246	If in doubt, say N.
	247
59a2e613 VK	248	config ARM_SA1100_CPUFREQ
	249	bool
	250
	251	config ARM_SA1110_CPUFREQ
	252	bool
	253
42099322 DS	254	config ARM_SPEAR_CPUFREQ
	255	bool "SPEAr CPUFreq support"
	256	depends on PLAT_SPEAR
	257	default y
	258	help
	259	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e VK	260
	261	config ARM_TEGRA_CPUFREQ
	262	bool "TEGRA CPUFreq support"
	263	depends on ARCH_TEGRA
dbb8d76e VK	264	default y
	265	help
	266	This adds the CPUFreq driver support for TEGRA SOCs.
608eab22 PC	267
	268	config ARM_PXA2xx_CPUFREQ
	269	tristate "Intel PXA2xx CPUfreq driver"
	270	depends on PXA27x \|\| PXA25x
	271	help
	272	This add the CPUFreq driver support for Intel PXA2xx SOCs.
	273
	274	If in doubt, say N.