[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_CPU_TOPOLOGY || ARM64) && 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_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_TEGRA20_CPUFREQ
	bool "Tegra20 CPUFreq support"
	depends on ARCH_TEGRA
	default y
	help
	  This adds the CPUFreq driver support for Tegra20 SOCs.

config ARM_TEGRA124_CPUFREQ
	tristate "Tegra124 CPUFreq support"
	depends on ARCH_TEGRA && CPUFREQ_DT
	default y
	help
	  This adds the CPUFreq driver support for Tegra124 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"
14730145	8	depends on (ARM_CPU_TOPOLOGY \|\| ARM64) && 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	38
a0ea048a	39	config ARM_EXYNOS4X12_CPUFREQ
45e12086	40	bool "SAMSUNG EXYNOS4x12"
4c8d8193	41	depends on SOC_EXYNOS4212 \|\| SOC_EXYNOS4412
8b2b4a4e	42	depends on ARM_EXYNOS_CPUFREQ
45e12086	43	default y
a0ea048a VK	44	help
	45	This adds the CPUFreq driver for Samsung EXYNOS4X12
	46	SoC (EXYNOS4212 or EXYNOS4412).
	47
45e12086 BZ	48	If in doubt, say N.
45e12086 BZ	49
a0ea048a	50	config ARM_EXYNOS5250_CPUFREQ
45e12086	51	bool "SAMSUNG EXYNOS5250"
4c8d8193	52	depends on SOC_EXYNOS5250
8b2b4a4e	53	depends on ARM_EXYNOS_CPUFREQ
45e12086	54	default y
a0ea048a VK	55	help
	56	This adds the CPUFreq driver for Samsung EXYNOS5250
	57	SoC.
	58
45e12086 BZ	59	If in doubt, say N.
45e12086 BZ	60
2fb4719b LM	61	config ARM_EXYNOS_CPU_FREQ_BOOST_SW
2fb4719b LM	62	bool "EXYNOS Frequency Overclocking - Software"
0a2e912d	63	depends on ARM_EXYNOS_CPUFREQ && THERMAL
2fb4719b LM	64	select CPU_FREQ_BOOST_SW
	65	select EXYNOS_THERMAL
	66	help
	67	This driver supports software managed overclocking (BOOST).
	68	It allows usage of special frequencies for Samsung Exynos
	69	processors if thermal conditions are appropriate.
	70
735dc249	71	It requires, for safe operation, thermal framework with properly
2fb4719b LM	72	defined trip points.
	73
	74	If in doubt, say N.
	75
8b2b4a4e AB	76	config ARM_EXYNOS5440_CPUFREQ
	77	tristate "SAMSUNG EXYNOS5440"
	78	depends on SOC_EXYNOS5440
	79	depends on HAVE_CLK && OF
	80	select PM_OPP
	81	default y
	82	help
	83	This adds the CPUFreq driver for Samsung EXYNOS5440
	84	SoC. The nature of exynos5440 clock controller is
	85	different than previous exynos controllers so not using
	86	the common exynos framework.
	87
	88	If in doubt, say N.
	89
a0ea048a VK	90	config ARM_HIGHBANK_CPUFREQ
a0ea048a VK	91	tristate "Calxeda Highbank-based"
bbcf0719	92	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
a0ea048a VK	93	default m
	94	help
	95	This adds the CPUFreq driver for Calxeda Highbank SoC
	96	based boards.
	97
	98	If in doubt, say N.
	99
5acb972f LY	100	config ARM_HISI_ACPU_CPUFREQ
	101	tristate "Hisilicon ACPU CPUfreq driver"
	102	depends on ARCH_HISI && CPUFREQ_DT
	103	select PM_OPP
	104	help
	105	This enables the hisilicon ACPU CPUfreq driver.
	106
	107	If in doubt, say N.
	108
a0ea048a	109	config ARM_IMX6Q_CPUFREQ
1d0eaae9 SG	110	tristate "Freescale i.MX6 cpufreq support"
1d0eaae9 SG	111	depends on ARCH_MXC
a0ea048a	112	depends on REGULATOR_ANATOP
7e021687	113	select PM_OPP
a0ea048a	114	help
1d0eaae9	115	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	116
	117	If in doubt, say N.
	118
b7e614c8 VK	119	config ARM_INTEGRATOR
	120	tristate "CPUfreq driver for ARM Integrator CPUs"
	121	depends on ARCH_INTEGRATOR
	122	default y
	123	help
	124	This enables the CPUfreq driver for ARM Integrator CPUs.
	125	If in doubt, say Y.
	126
a0ea048a	127	config ARM_KIRKWOOD_CPUFREQ
6c8df11d	128	def_bool MACH_KIRKWOOD
a0ea048a VK	129	help
	130	This adds the CPUFreq driver for Marvell Kirkwood
	131	SoCs.
	132
b09db45c RK	133	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	134	bool "TI OMAP2+"
2d59dcfb	135	depends on ARCH_OMAP2PLUS
b09db45c	136	default ARCH_OMAP2PLUS
b09db45c	137
f023f8dd VK	138	config ARM_S3C_CPUFREQ
	139	bool
	140	help
	141	Internal configuration node for common cpufreq on Samsung SoC
	142
	143	config ARM_S3C24XX_CPUFREQ
	144	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	145	depends on ARCH_S3C24XX
	146	select ARM_S3C_CPUFREQ
	147	help
	148	This enables the CPUfreq driver for the Samsung S3C24XX family
	149	of CPUs.
	150
	151	For details, take a look at <file:Documentation/cpu-freq>.
	152
	153	If in doubt, say N.
	154
	155	config ARM_S3C24XX_CPUFREQ_DEBUG
	156	bool "Debug CPUfreq Samsung driver core"
	157	depends on ARM_S3C24XX_CPUFREQ
	158	help
	159	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	160
	161	config ARM_S3C24XX_CPUFREQ_IODEBUG
	162	bool "Debug CPUfreq Samsung driver IO timing"
	163	depends on ARM_S3C24XX_CPUFREQ
	164	help
	165	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	166
	167	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	168	bool "Export debugfs for CPUFreq"
	169	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	170	help
	171	Export status information via debugfs.
	172
	173	config ARM_S3C2410_CPUFREQ
	174	bool
	175	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	176	select S3C2410_CPUFREQ_UTILS
	177	help
	178	CPU Frequency scaling support for S3C2410
	179
	180	config ARM_S3C2412_CPUFREQ
	181	bool
	182	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	183	default y
	184	select S3C2412_IOTIMING
	185	help
	186	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	187
34ee5507 HS	188	config ARM_S3C2416_CPUFREQ
	189	bool "S3C2416 CPU Frequency scaling support"
	190	depends on CPU_S3C2416
	191	help
	192	This adds the CPUFreq driver for the Samsung S3C2416 and
	193	S3C2450 SoC. The S3C2416 supports changing the rate of the
	194	armdiv clock source and also entering a so called dynamic
	195	voltage scaling mode in which it is possible to reduce the
735dc249	196	core voltage of the CPU.
34ee5507 HS	197
	198	If in doubt, say N.
	199
	200	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	201	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	202	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	203	help
	204	Enable CPU voltage scaling when entering the dvs mode.
	205	It uses information gathered through existing hardware and
	206	tests but not documented in any datasheet.
	207
	208	If in doubt, say N.
	209
f023f8dd VK	210	config ARM_S3C2440_CPUFREQ
	211	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	212	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	213	select S3C2410_CPUFREQ_UTILS
	214	default y
	215	help
	216	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	217
15964d38 KK	218	config ARM_S3C64XX_CPUFREQ
	219	bool "Samsung S3C64XX"
	220	depends on CPU_S3C6410
	221	default y
	222	help
	223	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	224
	225	If in doubt, say N.
	226
f7d77079 KK	227	config ARM_S5PV210_CPUFREQ
	228	bool "Samsung S5PV210 and S5PC110"
	229	depends on CPU_S5PV210
	230	default y
	231	help
	232	This adds the CPUFreq driver for Samsung S5PV210 and
	233	S5PC110 SoCs.
	234
	235	If in doubt, say N.
	236
59a2e613 VK	237	config ARM_SA1100_CPUFREQ
	238	bool
	239
	240	config ARM_SA1110_CPUFREQ
	241	bool
	242
42099322 DS	243	config ARM_SPEAR_CPUFREQ
	244	bool "SPEAr CPUFreq support"
	245	depends on PLAT_SPEAR
	246	default y
	247	help
	248	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e	249
109e13ea TT	250	config ARM_TEGRA20_CPUFREQ
109e13ea TT	251	bool "Tegra20 CPUFreq support"
dbb8d76e	252	depends on ARCH_TEGRA
dbb8d76e VK	253	default y
dbb8d76e VK	254	help
109e13ea	255	This adds the CPUFreq driver support for Tegra20 SOCs.
608eab22	256
9eb15dbb TT	257	config ARM_TEGRA124_CPUFREQ
	258	tristate "Tegra124 CPUFreq support"
	259	depends on ARCH_TEGRA && CPUFREQ_DT
	260	default y
	261	help
	262	This adds the CPUFreq driver support for Tegra124 SOCs.
	263
608eab22 PC	264	config ARM_PXA2xx_CPUFREQ
	265	tristate "Intel PXA2xx CPUfreq driver"
	266	depends on PXA27x \|\| PXA25x
	267	help
	268	This add the CPUFreq driver support for Intel PXA2xx SOCs.
	269
	270	If in doubt, say N.