[linux-2.6-block.git] / drivers / cpufreq / Kconfig.arm

#
# ARM CPU Frequency scaling drivers
#

config ACPI_CPPC_CPUFREQ
	tristate "CPUFreq driver based on the ACPI CPPC spec"
	depends on ACPI_PROCESSOR
	select ACPI_CPPC_LIB
	help
	  This adds a CPUFreq driver which uses CPPC methods
	  as described in the ACPIv5.1 spec. CPPC stands for
	  Collaborative Processor Performance Controls. It
	  is based on an abstract continuous scale of CPU
	  performance values which allows the remote power
	  processor to flexibly optimize for power and
	  performance. CPPC relies on power management firmware
	  support for its operation.

	  If in doubt, say N.

config ARM_ARMADA_37XX_CPUFREQ
	tristate "Armada 37xx CPUFreq support"
	depends on ARCH_MVEBU && CPUFREQ_DT
	help
	  This adds the CPUFreq driver support for Marvell Armada 37xx SoCs.
	  The Armada 37xx PMU supports 4 frequency and VDD levels.

# 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
	# if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y
	depends on !CPU_THERMAL || THERMAL
	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_SCPI_CPUFREQ
	tristate "SCPI based CPUfreq driver"
	depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
	depends on !CPU_THERMAL || THERMAL
	help
	  This adds the CPUfreq driver support for ARM platforms using SCPI
	  protocol for CPU power management.

	  This driver uses SCPI Message Protocol driver to interact with the
	  firmware providing the CPU DVFS functionality.

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_BRCMSTB_AVS_CPUFREQ
	tristate "Broadcom STB AVS CPUfreq driver"
	depends on ARCH_BRCMSTB || COMPILE_TEST
	default y
	help
	  Some Broadcom STB SoCs use a co-processor running proprietary firmware
	  ("AVS") to handle voltage and frequency scaling. This driver provides
	  a standard CPUfreq interface to to the firmware.

	  Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.

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

config ARM_MEDIATEK_CPUFREQ
	tristate "CPU Frequency scaling support for MediaTek SoCs"
	depends on ARCH_MEDIATEK && REGULATOR
	depends on !CPU_THERMAL || THERMAL
	select PM_OPP
	help
	  This adds the CPUFreq driver support for MediaTek 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_SCMI_CPUFREQ
	tristate "SCMI based CPUfreq driver"
	depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
	depends on !CPU_THERMAL || THERMAL
	select PM_OPP
	help
	  This adds the CPUfreq driver support for ARM platforms using SCMI
	  protocol for CPU power management.

	  This driver uses SCMI Message Protocol driver to interact with the
	  firmware providing the CPU DVFS functionality.

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_STI_CPUFREQ
	tristate "STi CPUFreq support"
	depends on SOC_STIH407
	help
	  This driver uses the generic OPP framework to match the running
	  platform with a predefined set of suitable values.  If not provided
	  we will fall-back so safe-values contained in Device Tree.  Enable
	  this config option if you wish to add CPUFreq support for STi based
	  SoCs.

config ARM_TANGO_CPUFREQ
	bool
	depends on CPUFREQ_DT && ARCH_TANGO
	default y

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 && REGULATOR
	default y
	help
	  This adds the CPUFreq driver support for Tegra124 SOCs.

config ARM_TEGRA186_CPUFREQ
	tristate "Tegra186 CPUFreq support"
	depends on ARCH_TEGRA && TEGRA_BPMP
	help
	  This adds the CPUFreq driver support for Tegra186 SOCs.

config ARM_TI_CPUFREQ
	bool "Texas Instruments CPUFreq support"
	depends on ARCH_OMAP2PLUS
	help
	  This driver enables valid OPPs on the running platform based on
	  values contained within the SoC in use. Enable this in order to
	  use the cpufreq-dt driver on all Texas Instruments platforms that
	  provide dt based operating-points-v2 tables with opp-supported-hw
	  data provided. Required for cpufreq support on AM335x, AM437x,
	  DRA7x, and AM57x platforms.

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
b17d2f8d GC	5	config ACPI_CPPC_CPUFREQ
	6	tristate "CPUFreq driver based on the ACPI CPPC spec"
	7	depends on ACPI_PROCESSOR
	8	select ACPI_CPPC_LIB
	9	help
	10	This adds a CPUFreq driver which uses CPPC methods
	11	as described in the ACPIv5.1 spec. CPPC stands for
	12	Collaborative Processor Performance Controls. It
	13	is based on an abstract continuous scale of CPU
	14	performance values which allows the remote power
	15	processor to flexibly optimize for power and
	16	performance. CPPC relies on power management firmware
	17	support for its operation.
	18
	19	If in doubt, say N.
	20
92ce45fb GC	21	config ARM_ARMADA_37XX_CPUFREQ
92ce45fb GC	22	tristate "Armada 37xx CPUFreq support"
0cf442c6	23	depends on ARCH_MVEBU && CPUFREQ_DT
92ce45fb GC	24	help
	25	This adds the CPUFreq driver support for Marvell Armada 37xx SoCs.
	26	The Armada 37xx PMU supports 4 frequency and VDD levels.
	27
3b84d58d	28	# big LITTLE core layer and glue drivers
8a67f0ef	29	config ARM_BIG_LITTLE_CPUFREQ
99af7711	30	tristate "Generic ARM big LITTLE CPUfreq driver"
14730145	31	depends on (ARM_CPU_TOPOLOGY \|\| ARM64) && HAVE_CLK
2f7e8a17 PA	32	# if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y
2f7e8a17 PA	33	depends on !CPU_THERMAL \|\| THERMAL
109df086	34	select PM_OPP
99af7711 VK	35	help
99af7711 VK	36	This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
8a67f0ef	37
b17d2f8d GC	38	config ARM_DT_BL_CPUFREQ
	39	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
	40	depends on ARM_BIG_LITTLE_CPUFREQ && OF
	41	help
	42	This enables probing via DT for Generic CPUfreq driver for ARM
	43	big.LITTLE platform. This gets frequency tables from DT.
	44
	45	config ARM_SCPI_CPUFREQ
	46	tristate "SCPI based CPUfreq driver"
5c8b2623	47	depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
3478b24c	48	depends on !CPU_THERMAL \|\| THERMAL
b17d2f8d	49	help
5c8b2623 SH	50	This adds the CPUfreq driver support for ARM platforms using SCPI
5c8b2623 SH	51	protocol for CPU power management.
b17d2f8d GC	52
	53	This driver uses SCPI Message Protocol driver to interact with the
	54	firmware providing the CPU DVFS functionality.
	55
	56	config ARM_VEXPRESS_SPC_CPUFREQ
	57	tristate "Versatile Express SPC based CPUfreq driver"
	58	depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
	59	help
	60	This add the CPUfreq driver support for Versatile Express
	61	big.LITTLE platforms using SPC for power management.
	62
de322e08 MM	63	config ARM_BRCMSTB_AVS_CPUFREQ
	64	tristate "Broadcom STB AVS CPUfreq driver"
	65	depends on ARCH_BRCMSTB \|\| COMPILE_TEST
	66	default y
	67	help
	68	Some Broadcom STB SoCs use a co-processor running proprietary firmware
	69	("AVS") to handle voltage and frequency scaling. This driver provides
	70	a standard CPUfreq interface to to the firmware.
	71
	72	Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
	73
8b2b4a4e AB	74	config ARM_EXYNOS5440_CPUFREQ
	75	tristate "SAMSUNG EXYNOS5440"
	76	depends on SOC_EXYNOS5440
	77	depends on HAVE_CLK && OF
	78	select PM_OPP
	79	default y
	80	help
	81	This adds the CPUFreq driver for Samsung EXYNOS5440
	82	SoC. The nature of exynos5440 clock controller is
	83	different than previous exynos controllers so not using
	84	the common exynos framework.
	85
	86	If in doubt, say N.
	87
a0ea048a VK	88	config ARM_HIGHBANK_CPUFREQ
a0ea048a VK	89	tristate "Calxeda Highbank-based"
bbcf0719	90	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
a0ea048a VK	91	default m
	92	help
	93	This adds the CPUFreq driver for Calxeda Highbank SoC
	94	based boards.
	95
	96	If in doubt, say N.
	97
	98	config ARM_IMX6Q_CPUFREQ
1d0eaae9 SG	99	tristate "Freescale i.MX6 cpufreq support"
1d0eaae9 SG	100	depends on ARCH_MXC
a0ea048a	101	depends on REGULATOR_ANATOP
7e021687	102	select PM_OPP
a0ea048a	103	help
1d0eaae9	104	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	105
	106	If in doubt, say N.
	107
	108	config ARM_KIRKWOOD_CPUFREQ
6c8df11d	109	def_bool MACH_KIRKWOOD
a0ea048a VK	110	help
	111	This adds the CPUFreq driver for Marvell Kirkwood
	112	SoCs.
	113
501c574f SW	114	config ARM_MEDIATEK_CPUFREQ
501c574f SW	115	tristate "CPU Frequency scaling support for MediaTek SoCs"
1453863f	116	depends on ARCH_MEDIATEK && REGULATOR
3c2002ae	117	depends on !CPU_THERMAL \|\| THERMAL
1453863f PCC	118	select PM_OPP
1453863f PCC	119	help
501c574f	120	This adds the CPUFreq driver support for MediaTek SoCs.
1453863f	121
b09db45c RK	122	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	123	bool "TI OMAP2+"
2d59dcfb	124	depends on ARCH_OMAP2PLUS
b09db45c	125	default ARCH_OMAP2PLUS
b09db45c	126
f023f8dd VK	127	config ARM_S3C_CPUFREQ
	128	bool
	129	help
	130	Internal configuration node for common cpufreq on Samsung SoC
	131
	132	config ARM_S3C24XX_CPUFREQ
	133	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	134	depends on ARCH_S3C24XX
	135	select ARM_S3C_CPUFREQ
	136	help
	137	This enables the CPUfreq driver for the Samsung S3C24XX family
	138	of CPUs.
	139
	140	For details, take a look at <file:Documentation/cpu-freq>.
	141
	142	If in doubt, say N.
	143
	144	config ARM_S3C24XX_CPUFREQ_DEBUG
	145	bool "Debug CPUfreq Samsung driver core"
	146	depends on ARM_S3C24XX_CPUFREQ
	147	help
	148	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	149
	150	config ARM_S3C24XX_CPUFREQ_IODEBUG
	151	bool "Debug CPUfreq Samsung driver IO timing"
	152	depends on ARM_S3C24XX_CPUFREQ
	153	help
	154	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	155
	156	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	157	bool "Export debugfs for CPUFreq"
	158	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	159	help
	160	Export status information via debugfs.
	161
	162	config ARM_S3C2410_CPUFREQ
	163	bool
	164	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	165	select S3C2410_CPUFREQ_UTILS
	166	help
	167	CPU Frequency scaling support for S3C2410
	168
	169	config ARM_S3C2412_CPUFREQ
	170	bool
	171	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	172	default y
	173	select S3C2412_IOTIMING
	174	help
	175	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	176
34ee5507 HS	177	config ARM_S3C2416_CPUFREQ
	178	bool "S3C2416 CPU Frequency scaling support"
	179	depends on CPU_S3C2416
	180	help
	181	This adds the CPUFreq driver for the Samsung S3C2416 and
	182	S3C2450 SoC. The S3C2416 supports changing the rate of the
	183	armdiv clock source and also entering a so called dynamic
	184	voltage scaling mode in which it is possible to reduce the
735dc249	185	core voltage of the CPU.
34ee5507 HS	186
	187	If in doubt, say N.
	188
	189	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	190	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	191	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	192	help
	193	Enable CPU voltage scaling when entering the dvs mode.
	194	It uses information gathered through existing hardware and
	195	tests but not documented in any datasheet.
	196
	197	If in doubt, say N.
	198
f023f8dd VK	199	config ARM_S3C2440_CPUFREQ
	200	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	201	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	202	select S3C2410_CPUFREQ_UTILS
	203	default y
	204	help
	205	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	206
15964d38 KK	207	config ARM_S3C64XX_CPUFREQ
	208	bool "Samsung S3C64XX"
	209	depends on CPU_S3C6410
	210	default y
	211	help
	212	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	213
	214	If in doubt, say N.
	215
f7d77079 KK	216	config ARM_S5PV210_CPUFREQ
	217	bool "Samsung S5PV210 and S5PC110"
	218	depends on CPU_S5PV210
	219	default y
	220	help
	221	This adds the CPUFreq driver for Samsung S5PV210 and
	222	S5PC110 SoCs.
	223
	224	If in doubt, say N.
	225
59a2e613 VK	226	config ARM_SA1100_CPUFREQ
	227	bool
	228
	229	config ARM_SA1110_CPUFREQ
	230	bool
	231
99d6bdf3 SH	232	config ARM_SCMI_CPUFREQ
	233	tristate "SCMI based CPUfreq driver"
	234	depends on ARM_SCMI_PROTOCOL \|\| COMPILE_TEST
697a3a87	235	depends on !CPU_THERMAL \|\| THERMAL
99d6bdf3 SH	236	select PM_OPP
	237	help
	238	This adds the CPUfreq driver support for ARM platforms using SCMI
	239	protocol for CPU power management.
	240
	241	This driver uses SCMI Message Protocol driver to interact with the
	242	firmware providing the CPU DVFS functionality.
	243
42099322 DS	244	config ARM_SPEAR_CPUFREQ
	245	bool "SPEAr CPUFreq support"
	246	depends on PLAT_SPEAR
	247	default y
	248	help
	249	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e	250
ab0ea257 LJ	251	config ARM_STI_CPUFREQ
	252	tristate "STi CPUFreq support"
	253	depends on SOC_STIH407
	254	help
	255	This driver uses the generic OPP framework to match the running
	256	platform with a predefined set of suitable values. If not provided
	257	we will fall-back so safe-values contained in Device Tree. Enable
	258	this config option if you wish to add CPUFreq support for STi based
	259	SoCs.
	260
9dbd224f MG	261	config ARM_TANGO_CPUFREQ
	262	bool
	263	depends on CPUFREQ_DT && ARCH_TANGO
	264	default y
	265
109e13ea TT	266	config ARM_TEGRA20_CPUFREQ
109e13ea TT	267	bool "Tegra20 CPUFreq support"
dbb8d76e	268	depends on ARCH_TEGRA
dbb8d76e VK	269	default y
dbb8d76e VK	270	help
109e13ea	271	This adds the CPUFreq driver support for Tegra20 SOCs.
608eab22	272
9eb15dbb TT	273	config ARM_TEGRA124_CPUFREQ
9eb15dbb TT	274	tristate "Tegra124 CPUFreq support"
b5832e4b	275	depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
9eb15dbb TT	276	default y
	277	help
	278	This adds the CPUFreq driver support for Tegra124 SOCs.
	279
939dc6f5 MP	280	config ARM_TEGRA186_CPUFREQ
	281	tristate "Tegra186 CPUFreq support"
	282	depends on ARCH_TEGRA && TEGRA_BPMP
	283	help
	284	This adds the CPUFreq driver support for Tegra186 SOCs.
	285
e13cf046 DG	286	config ARM_TI_CPUFREQ
	287	bool "Texas Instruments CPUFreq support"
	288	depends on ARCH_OMAP2PLUS
	289	help
	290	This driver enables valid OPPs on the running platform based on
	291	values contained within the SoC in use. Enable this in order to
	292	use the cpufreq-dt driver on all Texas Instruments platforms that
	293	provide dt based operating-points-v2 tables with opp-supported-hw
	294	data provided. Required for cpufreq support on AM335x, AM437x,
	295	DRA7x, and AM57x platforms.
	296
608eab22 PC	297	config ARM_PXA2xx_CPUFREQ
	298	tristate "Intel PXA2xx CPUfreq driver"
	299	depends on PXA27x \|\| PXA25x
	300	help
	301	This add the CPUFreq driver support for Intel PXA2xx SOCs.
	302
	303	If in doubt, say N.