[mirror_ubuntu-zesty-kernel.git] / drivers / cpufreq / Kconfig.arm

#
# ARM CPU Frequency scaling drivers
#

config ARM_BIG_LITTLE_CPUFREQ
	tristate "Generic ARM big LITTLE CPUfreq driver"
	depends on ARM_CPU_TOPOLOGY && PM_OPP && HAVE_CLK
	select CPU_FREQ_TABLE
	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_EXYNOS_CPUFREQ
	bool "SAMSUNG EXYNOS SoCs"
	depends on ARCH_EXYNOS
	select CPU_FREQ_TABLE
	default y
	help
	  This adds the CPUFreq driver common part for Samsung
	  EXYNOS SoCs.

	  If in doubt, say N.

config ARM_EXYNOS4210_CPUFREQ
	def_bool CPU_EXYNOS4210
	help
	  This adds the CPUFreq driver for Samsung EXYNOS4210
	  SoC (S5PV310 or S5PC210).

config ARM_EXYNOS4X12_CPUFREQ
	def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412)
	help
	  This adds the CPUFreq driver for Samsung EXYNOS4X12
	  SoC (EXYNOS4212 or EXYNOS4412).

config ARM_EXYNOS5250_CPUFREQ
	def_bool SOC_EXYNOS5250
	help
	  This adds the CPUFreq driver for Samsung EXYNOS5250
	  SoC.

config ARM_EXYNOS5440_CPUFREQ
	def_bool SOC_EXYNOS5440
	depends on HAVE_CLK && PM_OPP && OF
	select CPU_FREQ_TABLE
	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.

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.MX6Q cpufreq support"
	depends on SOC_IMX6Q
	depends on REGULATOR_ANATOP
	select CPU_FREQ_TABLE
	help
	  This adds cpufreq driver support for Freescale i.MX6Q SOC.

	  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
	select CPU_FREQ_TABLE
	help
	  This adds the CPUFreq driver for Marvell Kirkwood
	  SoCs.

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

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
	select CPU_FREQ_TABLE
	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
	select CPU_FREQ_TABLE
	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
	select CPU_FREQ_TABLE
	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
	select CPU_FREQ_TABLE
	default y
	help
	  This adds the CPUFreq driver support for SPEAr SOCs.

config ARM_TEGRA_CPUFREQ
	bool "TEGRA CPUFreq support"
	depends on ARCH_TEGRA
	select CPU_FREQ_TABLE
	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
8a67f0ef	5	config ARM_BIG_LITTLE_CPUFREQ
99af7711 VK	6	tristate "Generic ARM big LITTLE CPUfreq driver"
99af7711 VK	7	depends on ARM_CPU_TOPOLOGY && PM_OPP && HAVE_CLK
fe948f54	8	select CPU_FREQ_TABLE
99af7711 VK	9	help
99af7711 VK	10	This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
8a67f0ef VK	11
8a67f0ef VK	12	config ARM_DT_BL_CPUFREQ
99af7711 VK	13	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
99af7711 VK	14	depends on ARM_BIG_LITTLE_CPUFREQ && OF
8a67f0ef	15	help
99af7711 VK	16	This enables probing via DT for Generic CPUfreq driver for ARM
99af7711 VK	17	big.LITTLE platform. This gets frequency tables from DT.
8a67f0ef	18
a0ea048a VK	19	config ARM_EXYNOS_CPUFREQ
	20	bool "SAMSUNG EXYNOS SoCs"
	21	depends on ARCH_EXYNOS
46f3049f	22	select CPU_FREQ_TABLE
a0ea048a VK	23	default y
	24	help
	25	This adds the CPUFreq driver common part for Samsung
	26	EXYNOS SoCs.
	27
	28	If in doubt, say N.
	29
	30	config ARM_EXYNOS4210_CPUFREQ
	31	def_bool CPU_EXYNOS4210
	32	help
	33	This adds the CPUFreq driver for Samsung EXYNOS4210
	34	SoC (S5PV310 or S5PC210).
	35
	36	config ARM_EXYNOS4X12_CPUFREQ
	37	def_bool (SOC_EXYNOS4212 \|\| SOC_EXYNOS4412)
	38	help
	39	This adds the CPUFreq driver for Samsung EXYNOS4X12
	40	SoC (EXYNOS4212 or EXYNOS4412).
	41
	42	config ARM_EXYNOS5250_CPUFREQ
	43	def_bool SOC_EXYNOS5250
	44	help
	45	This adds the CPUFreq driver for Samsung EXYNOS5250
	46	SoC.
	47
49d7b5bf ADK	48	config ARM_EXYNOS5440_CPUFREQ
	49	def_bool SOC_EXYNOS5440
	50	depends on HAVE_CLK && PM_OPP && OF
46f3049f	51	select CPU_FREQ_TABLE
49d7b5bf ADK	52	help
	53	This adds the CPUFreq driver for Samsung EXYNOS5440
	54	SoC. The nature of exynos5440 clock controller is
	55	different than previous exynos controllers so not using
	56	the common exynos framework.
	57
a0ea048a VK	58	config ARM_HIGHBANK_CPUFREQ
	59	tristate "Calxeda Highbank-based"
	60	depends on ARCH_HIGHBANK
a0ea048a VK	61	select GENERIC_CPUFREQ_CPU0
	62	select PM_OPP
	63	select REGULATOR
	64
	65	default m
	66	help
	67	This adds the CPUFreq driver for Calxeda Highbank SoC
	68	based boards.
	69
	70	If in doubt, say N.
	71
	72	config ARM_IMX6Q_CPUFREQ
	73	tristate "Freescale i.MX6Q cpufreq support"
	74	depends on SOC_IMX6Q
	75	depends on REGULATOR_ANATOP
5d6a62be	76	select CPU_FREQ_TABLE
a0ea048a VK	77	help
	78	This adds cpufreq driver support for Freescale i.MX6Q SOC.
	79
	80	If in doubt, say N.
	81
b7e614c8 VK	82	config ARM_INTEGRATOR
	83	tristate "CPUfreq driver for ARM Integrator CPUs"
	84	depends on ARCH_INTEGRATOR
	85	default y
	86	help
	87	This enables the CPUfreq driver for ARM Integrator CPUs.
	88	If in doubt, say Y.
	89
a0ea048a VK	90	config ARM_KIRKWOOD_CPUFREQ
a0ea048a VK	91	def_bool ARCH_KIRKWOOD && OF
ea61623f	92	select CPU_FREQ_TABLE
a0ea048a VK	93	help
	94	This adds the CPUFreq driver for Marvell Kirkwood
	95	SoCs.
	96
b09db45c RK	97	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	98	bool "TI OMAP2+"
2d59dcfb	99	depends on ARCH_OMAP2PLUS
b09db45c RK	100	default ARCH_OMAP2PLUS
	101	select CPU_FREQ_TABLE
	102
f023f8dd VK	103	config ARM_S3C_CPUFREQ
	104	bool
	105	help
	106	Internal configuration node for common cpufreq on Samsung SoC
	107
	108	config ARM_S3C24XX_CPUFREQ
	109	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	110	depends on ARCH_S3C24XX
	111	select ARM_S3C_CPUFREQ
	112	help
	113	This enables the CPUfreq driver for the Samsung S3C24XX family
	114	of CPUs.
	115
	116	For details, take a look at <file:Documentation/cpu-freq>.
	117
	118	If in doubt, say N.
	119
	120	config ARM_S3C24XX_CPUFREQ_DEBUG
	121	bool "Debug CPUfreq Samsung driver core"
	122	depends on ARM_S3C24XX_CPUFREQ
	123	help
	124	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	125
	126	config ARM_S3C24XX_CPUFREQ_IODEBUG
	127	bool "Debug CPUfreq Samsung driver IO timing"
	128	depends on ARM_S3C24XX_CPUFREQ
	129	help
	130	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	131
	132	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	133	bool "Export debugfs for CPUFreq"
	134	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	135	help
	136	Export status information via debugfs.
	137
	138	config ARM_S3C2410_CPUFREQ
	139	bool
	140	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	141	select S3C2410_CPUFREQ_UTILS
	142	help
	143	CPU Frequency scaling support for S3C2410
	144
	145	config ARM_S3C2412_CPUFREQ
	146	bool
	147	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	148	default y
	149	select S3C2412_IOTIMING
	150	help
	151	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	152
34ee5507 HS	153	config ARM_S3C2416_CPUFREQ
	154	bool "S3C2416 CPU Frequency scaling support"
	155	depends on CPU_S3C2416
6866cba3	156	select CPU_FREQ_TABLE
34ee5507 HS	157	help
	158	This adds the CPUFreq driver for the Samsung S3C2416 and
	159	S3C2450 SoC. The S3C2416 supports changing the rate of the
	160	armdiv clock source and also entering a so called dynamic
	161	voltage scaling mode in which it is possible to reduce the
	162	core voltage of the cpu.
	163
	164	If in doubt, say N.
	165
	166	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	167	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	168	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	169	help
	170	Enable CPU voltage scaling when entering the dvs mode.
	171	It uses information gathered through existing hardware and
	172	tests but not documented in any datasheet.
	173
	174	If in doubt, say N.
	175
f023f8dd VK	176	config ARM_S3C2440_CPUFREQ
	177	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	178	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	179	select S3C2410_CPUFREQ_UTILS
	180	default y
	181	help
	182	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	183
15964d38 KK	184	config ARM_S3C64XX_CPUFREQ
	185	bool "Samsung S3C64XX"
	186	depends on CPU_S3C6410
6866cba3	187	select CPU_FREQ_TABLE
15964d38 KK	188	default y
	189	help
	190	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	191
	192	If in doubt, say N.
	193
f7d77079 KK	194	config ARM_S5PV210_CPUFREQ
	195	bool "Samsung S5PV210 and S5PC110"
	196	depends on CPU_S5PV210
5eed1987	197	select CPU_FREQ_TABLE
f7d77079 KK	198	default y
	199	help
	200	This adds the CPUFreq driver for Samsung S5PV210 and
	201	S5PC110 SoCs.
	202
	203	If in doubt, say N.
	204
59a2e613 VK	205	config ARM_SA1100_CPUFREQ
	206	bool
	207
	208	config ARM_SA1110_CPUFREQ
	209	bool
	210
42099322 DS	211	config ARM_SPEAR_CPUFREQ
	212	bool "SPEAr CPUFreq support"
	213	depends on PLAT_SPEAR
4b416745	214	select CPU_FREQ_TABLE
42099322 DS	215	default y
	216	help
	217	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e VK	218
	219	config ARM_TEGRA_CPUFREQ
	220	bool "TEGRA CPUFreq support"
	221	depends on ARCH_TEGRA
	222	select CPU_FREQ_TABLE
	223	default y
	224	help
	225	This adds the CPUFreq driver support for TEGRA SOCs.