[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
	bool

config ARM_EXYNOS4210_CPUFREQ
	bool "SAMSUNG EXYNOS4210"
	depends on CPU_EXYNOS4210 && !ARCH_MULTIPLATFORM
	default y
	select ARM_EXYNOS_CPUFREQ
	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) && !ARCH_MULTIPLATFORM
	default y
	select ARM_EXYNOS_CPUFREQ
	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 && !ARCH_MULTIPLATFORM
	default y
	select ARM_EXYNOS_CPUFREQ
	help
	  This adds the CPUFreq driver for Samsung EXYNOS5250
	  SoC.

	  If in doubt, say N.

config ARM_EXYNOS5440_CPUFREQ
	bool "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_EXYNOS_CPU_FREQ_BOOST_SW
	bool "EXYNOS Frequency Overclocking - Software"
	depends on ARM_EXYNOS_CPUFREQ
	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 reguires, for safe operation, thermal framework with properly
	  defined trip points.

	  If in doubt, say N.

config ARM_HIGHBANK_CPUFREQ
	tristate "Calxeda Highbank-based"
	depends on ARCH_HIGHBANK
	select GENERIC_CPUFREQ_CPU0
	select PM_OPP
	select 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
	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 ARCH_KIRKWOOD && OF
	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.
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"
998be8ee	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
45e12086	29	bool
a0ea048a VK	30
a0ea048a VK	31	config ARM_EXYNOS4210_CPUFREQ
45e12086	32	bool "SAMSUNG EXYNOS4210"
1fedc2f5	33	depends on CPU_EXYNOS4210 && !ARCH_MULTIPLATFORM
45e12086 BZ	34	default y
45e12086 BZ	35	select ARM_EXYNOS_CPUFREQ
a0ea048a VK	36	help
	37	This adds the CPUFreq driver for Samsung EXYNOS4210
	38	SoC (S5PV310 or S5PC210).
	39
45e12086 BZ	40	If in doubt, say N.
45e12086 BZ	41
a0ea048a	42	config ARM_EXYNOS4X12_CPUFREQ
45e12086	43	bool "SAMSUNG EXYNOS4x12"
1fedc2f5	44	depends on (SOC_EXYNOS4212 \|\| SOC_EXYNOS4412) && !ARCH_MULTIPLATFORM
45e12086 BZ	45	default y
45e12086 BZ	46	select ARM_EXYNOS_CPUFREQ
a0ea048a VK	47	help
	48	This adds the CPUFreq driver for Samsung EXYNOS4X12
	49	SoC (EXYNOS4212 or EXYNOS4412).
	50
45e12086 BZ	51	If in doubt, say N.
45e12086 BZ	52
a0ea048a	53	config ARM_EXYNOS5250_CPUFREQ
45e12086	54	bool "SAMSUNG EXYNOS5250"
1fedc2f5	55	depends on SOC_EXYNOS5250 && !ARCH_MULTIPLATFORM
45e12086 BZ	56	default y
45e12086 BZ	57	select ARM_EXYNOS_CPUFREQ
a0ea048a VK	58	help
	59	This adds the CPUFreq driver for Samsung EXYNOS5250
	60	SoC.
	61
45e12086 BZ	62	If in doubt, say N.
45e12086 BZ	63
49d7b5bf	64	config ARM_EXYNOS5440_CPUFREQ
45e12086 BZ	65	bool "SAMSUNG EXYNOS5440"
45e12086 BZ	66	depends on SOC_EXYNOS5440
109df086 MB	67	depends on HAVE_CLK && OF
109df086 MB	68	select PM_OPP
45e12086	69	default y
49d7b5bf ADK	70	help
	71	This adds the CPUFreq driver for Samsung EXYNOS5440
	72	SoC. The nature of exynos5440 clock controller is
	73	different than previous exynos controllers so not using
	74	the common exynos framework.
	75
45e12086 BZ	76	If in doubt, say N.
45e12086 BZ	77
2fb4719b LM	78	config ARM_EXYNOS_CPU_FREQ_BOOST_SW
	79	bool "EXYNOS Frequency Overclocking - Software"
	80	depends on ARM_EXYNOS_CPUFREQ
	81	select CPU_FREQ_BOOST_SW
	82	select EXYNOS_THERMAL
	83	help
	84	This driver supports software managed overclocking (BOOST).
	85	It allows usage of special frequencies for Samsung Exynos
	86	processors if thermal conditions are appropriate.
	87
	88	It reguires, for safe operation, thermal framework with properly
	89	defined trip points.
	90
	91	If in doubt, say N.
	92
a0ea048a VK	93	config ARM_HIGHBANK_CPUFREQ
	94	tristate "Calxeda Highbank-based"
	95	depends on ARCH_HIGHBANK
a0ea048a VK	96	select GENERIC_CPUFREQ_CPU0
	97	select PM_OPP
	98	select REGULATOR
	99
	100	default m
	101	help
	102	This adds the CPUFreq driver for Calxeda Highbank SoC
	103	based boards.
	104
	105	If in doubt, say N.
	106
	107	config ARM_IMX6Q_CPUFREQ
1d0eaae9 SG	108	tristate "Freescale i.MX6 cpufreq support"
1d0eaae9 SG	109	depends on ARCH_MXC
a0ea048a VK	110	depends on REGULATOR_ANATOP
a0ea048a VK	111	help
1d0eaae9	112	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	113
	114	If in doubt, say N.
	115
b7e614c8 VK	116	config ARM_INTEGRATOR
	117	tristate "CPUfreq driver for ARM Integrator CPUs"
	118	depends on ARCH_INTEGRATOR
	119	default y
	120	help
	121	This enables the CPUfreq driver for ARM Integrator CPUs.
	122	If in doubt, say Y.
	123
a0ea048a VK	124	config ARM_KIRKWOOD_CPUFREQ
	125	def_bool ARCH_KIRKWOOD && OF
	126	help
	127	This adds the CPUFreq driver for Marvell Kirkwood
	128	SoCs.
	129
b09db45c RK	130	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	131	bool "TI OMAP2+"
2d59dcfb	132	depends on ARCH_OMAP2PLUS
b09db45c	133	default ARCH_OMAP2PLUS
b09db45c	134
f023f8dd VK	135	config ARM_S3C_CPUFREQ
	136	bool
	137	help
	138	Internal configuration node for common cpufreq on Samsung SoC
	139
	140	config ARM_S3C24XX_CPUFREQ
	141	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	142	depends on ARCH_S3C24XX
	143	select ARM_S3C_CPUFREQ
	144	help
	145	This enables the CPUfreq driver for the Samsung S3C24XX family
	146	of CPUs.
	147
	148	For details, take a look at <file:Documentation/cpu-freq>.
	149
	150	If in doubt, say N.
	151
	152	config ARM_S3C24XX_CPUFREQ_DEBUG
	153	bool "Debug CPUfreq Samsung driver core"
	154	depends on ARM_S3C24XX_CPUFREQ
	155	help
	156	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	157
	158	config ARM_S3C24XX_CPUFREQ_IODEBUG
	159	bool "Debug CPUfreq Samsung driver IO timing"
	160	depends on ARM_S3C24XX_CPUFREQ
	161	help
	162	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	163
	164	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	165	bool "Export debugfs for CPUFreq"
	166	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	167	help
	168	Export status information via debugfs.
	169
	170	config ARM_S3C2410_CPUFREQ
	171	bool
	172	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	173	select S3C2410_CPUFREQ_UTILS
	174	help
	175	CPU Frequency scaling support for S3C2410
	176
	177	config ARM_S3C2412_CPUFREQ
	178	bool
	179	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	180	default y
	181	select S3C2412_IOTIMING
	182	help
	183	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	184
34ee5507 HS	185	config ARM_S3C2416_CPUFREQ
	186	bool "S3C2416 CPU Frequency scaling support"
	187	depends on CPU_S3C2416
	188	help
	189	This adds the CPUFreq driver for the Samsung S3C2416 and
	190	S3C2450 SoC. The S3C2416 supports changing the rate of the
	191	armdiv clock source and also entering a so called dynamic
	192	voltage scaling mode in which it is possible to reduce the
	193	core voltage of the cpu.
	194
	195	If in doubt, say N.
	196
	197	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	198	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	199	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	200	help
	201	Enable CPU voltage scaling when entering the dvs mode.
	202	It uses information gathered through existing hardware and
	203	tests but not documented in any datasheet.
	204
	205	If in doubt, say N.
	206
f023f8dd VK	207	config ARM_S3C2440_CPUFREQ
	208	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	209	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	210	select S3C2410_CPUFREQ_UTILS
	211	default y
	212	help
	213	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	214
15964d38 KK	215	config ARM_S3C64XX_CPUFREQ
	216	bool "Samsung S3C64XX"
	217	depends on CPU_S3C6410
	218	default y
	219	help
	220	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	221
	222	If in doubt, say N.
	223
f7d77079 KK	224	config ARM_S5PV210_CPUFREQ
	225	bool "Samsung S5PV210 and S5PC110"
	226	depends on CPU_S5PV210
	227	default y
	228	help
	229	This adds the CPUFreq driver for Samsung S5PV210 and
	230	S5PC110 SoCs.
	231
	232	If in doubt, say N.
	233
59a2e613 VK	234	config ARM_SA1100_CPUFREQ
	235	bool
	236
	237	config ARM_SA1110_CPUFREQ
	238	bool
	239
42099322 DS	240	config ARM_SPEAR_CPUFREQ
	241	bool "SPEAr CPUFreq support"
	242	depends on PLAT_SPEAR
	243	default y
	244	help
	245	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e VK	246
	247	config ARM_TEGRA_CPUFREQ
	248	bool "TEGRA CPUFreq support"
	249	depends on ARCH_TEGRA
dbb8d76e VK	250	default y
	251	help
	252	This adds the CPUFreq driver support for TEGRA SOCs.