[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_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
	111	config ARM_IMX6Q_CPUFREQ
1d0eaae9 SG	112	tristate "Freescale i.MX6 cpufreq support"
1d0eaae9 SG	113	depends on ARCH_MXC
a0ea048a	114	depends on REGULATOR_ANATOP
7e021687	115	select PM_OPP
a0ea048a	116	help
1d0eaae9	117	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	118
	119	If in doubt, say N.
	120
b7e614c8 VK	121	config ARM_INTEGRATOR
	122	tristate "CPUfreq driver for ARM Integrator CPUs"
	123	depends on ARCH_INTEGRATOR
	124	default y
	125	help
	126	This enables the CPUfreq driver for ARM Integrator CPUs.
	127	If in doubt, say Y.
	128
a0ea048a	129	config ARM_KIRKWOOD_CPUFREQ
6c8df11d	130	def_bool MACH_KIRKWOOD
a0ea048a VK	131	help
	132	This adds the CPUFreq driver for Marvell Kirkwood
	133	SoCs.
	134
b09db45c RK	135	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	136	bool "TI OMAP2+"
2d59dcfb	137	depends on ARCH_OMAP2PLUS
b09db45c	138	default ARCH_OMAP2PLUS
b09db45c	139
f023f8dd VK	140	config ARM_S3C_CPUFREQ
	141	bool
	142	help
	143	Internal configuration node for common cpufreq on Samsung SoC
	144
	145	config ARM_S3C24XX_CPUFREQ
	146	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	147	depends on ARCH_S3C24XX
	148	select ARM_S3C_CPUFREQ
	149	help
	150	This enables the CPUfreq driver for the Samsung S3C24XX family
	151	of CPUs.
	152
	153	For details, take a look at <file:Documentation/cpu-freq>.
	154
	155	If in doubt, say N.
	156
	157	config ARM_S3C24XX_CPUFREQ_DEBUG
	158	bool "Debug CPUfreq Samsung driver core"
	159	depends on ARM_S3C24XX_CPUFREQ
	160	help
	161	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	162
	163	config ARM_S3C24XX_CPUFREQ_IODEBUG
	164	bool "Debug CPUfreq Samsung driver IO timing"
	165	depends on ARM_S3C24XX_CPUFREQ
	166	help
	167	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	168
	169	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	170	bool "Export debugfs for CPUFreq"
	171	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	172	help
	173	Export status information via debugfs.
	174
	175	config ARM_S3C2410_CPUFREQ
	176	bool
	177	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	178	select S3C2410_CPUFREQ_UTILS
	179	help
	180	CPU Frequency scaling support for S3C2410
	181
	182	config ARM_S3C2412_CPUFREQ
	183	bool
	184	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	185	default y
	186	select S3C2412_IOTIMING
	187	help
	188	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	189
34ee5507 HS	190	config ARM_S3C2416_CPUFREQ
	191	bool "S3C2416 CPU Frequency scaling support"
	192	depends on CPU_S3C2416
	193	help
	194	This adds the CPUFreq driver for the Samsung S3C2416 and
	195	S3C2450 SoC. The S3C2416 supports changing the rate of the
	196	armdiv clock source and also entering a so called dynamic
	197	voltage scaling mode in which it is possible to reduce the
735dc249	198	core voltage of the CPU.
34ee5507 HS	199
	200	If in doubt, say N.
	201
	202	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	203	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	204	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	205	help
	206	Enable CPU voltage scaling when entering the dvs mode.
	207	It uses information gathered through existing hardware and
	208	tests but not documented in any datasheet.
	209
	210	If in doubt, say N.
	211
f023f8dd VK	212	config ARM_S3C2440_CPUFREQ
	213	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	214	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	215	select S3C2410_CPUFREQ_UTILS
	216	default y
	217	help
	218	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	219
15964d38 KK	220	config ARM_S3C64XX_CPUFREQ
	221	bool "Samsung S3C64XX"
	222	depends on CPU_S3C6410
	223	default y
	224	help
	225	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	226
	227	If in doubt, say N.
	228
f7d77079 KK	229	config ARM_S5PV210_CPUFREQ
	230	bool "Samsung S5PV210 and S5PC110"
	231	depends on CPU_S5PV210
	232	default y
	233	help
	234	This adds the CPUFreq driver for Samsung S5PV210 and
	235	S5PC110 SoCs.
	236
	237	If in doubt, say N.
	238
59a2e613 VK	239	config ARM_SA1100_CPUFREQ
	240	bool
	241
	242	config ARM_SA1110_CPUFREQ
	243	bool
	244
42099322 DS	245	config ARM_SPEAR_CPUFREQ
	246	bool "SPEAr CPUFreq support"
	247	depends on PLAT_SPEAR
	248	default y
	249	help
	250	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e VK	251
	252	config ARM_TEGRA_CPUFREQ
	253	bool "TEGRA CPUFreq support"
	254	depends on ARCH_TEGRA
dbb8d76e VK	255	default y
	256	help
	257	This adds the CPUFreq driver support for TEGRA SOCs.
608eab22 PC	258
	259	config ARM_PXA2xx_CPUFREQ
	260	tristate "Intel PXA2xx CPUfreq driver"
	261	depends on PXA27x \|\| PXA25x
	262	help
	263	This add the CPUFreq driver support for Intel PXA2xx SOCs.
	264
	265	If in doubt, say N.