[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
	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
	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_BRCMSTB_AVS_CPUFREQ_DEBUG
	bool "Broadcom STB AVS CPUfreq driver sysfs debug capability"
	depends on ARM_BRCMSTB_AVS_CPUFREQ
	help
	  Enabling this option turns on debug support via sysfs under
	  /sys/kernel/debug/brcmstb-avs-cpufreq. It is possible to read all and
	  write some AVS mailbox registers through sysfs entries.

	  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_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_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
	22	tristate "Armada 37xx CPUFreq support"
	23	depends on ARCH_MVEBU
	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
b17d2f8d	48	help
5c8b2623 SH	49	This adds the CPUfreq driver support for ARM platforms using SCPI
5c8b2623 SH	50	protocol for CPU power management.
b17d2f8d GC	51
	52	This driver uses SCPI Message Protocol driver to interact with the
	53	firmware providing the CPU DVFS functionality.
	54
	55	config ARM_VEXPRESS_SPC_CPUFREQ
	56	tristate "Versatile Express SPC based CPUfreq driver"
	57	depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
	58	help
	59	This add the CPUfreq driver support for Versatile Express
	60	big.LITTLE platforms using SPC for power management.
	61
de322e08 MM	62	config ARM_BRCMSTB_AVS_CPUFREQ
	63	tristate "Broadcom STB AVS CPUfreq driver"
	64	depends on ARCH_BRCMSTB \|\| COMPILE_TEST
	65	default y
	66	help
	67	Some Broadcom STB SoCs use a co-processor running proprietary firmware
	68	("AVS") to handle voltage and frequency scaling. This driver provides
	69	a standard CPUfreq interface to to the firmware.
	70
	71	Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
	72
33de45c1 MM	73	config ARM_BRCMSTB_AVS_CPUFREQ_DEBUG
	74	bool "Broadcom STB AVS CPUfreq driver sysfs debug capability"
	75	depends on ARM_BRCMSTB_AVS_CPUFREQ
	76	help
	77	Enabling this option turns on debug support via sysfs under
	78	/sys/kernel/debug/brcmstb-avs-cpufreq. It is possible to read all and
	79	write some AVS mailbox registers through sysfs entries.
	80
	81	If in doubt, say N.
	82
8b2b4a4e AB	83	config ARM_EXYNOS5440_CPUFREQ
	84	tristate "SAMSUNG EXYNOS5440"
	85	depends on SOC_EXYNOS5440
	86	depends on HAVE_CLK && OF
	87	select PM_OPP
	88	default y
	89	help
	90	This adds the CPUFreq driver for Samsung EXYNOS5440
	91	SoC. The nature of exynos5440 clock controller is
	92	different than previous exynos controllers so not using
	93	the common exynos framework.
	94
	95	If in doubt, say N.
	96
a0ea048a VK	97	config ARM_HIGHBANK_CPUFREQ
a0ea048a VK	98	tristate "Calxeda Highbank-based"
bbcf0719	99	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
a0ea048a VK	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	110	depends on REGULATOR_ANATOP
7e021687	111	select PM_OPP
a0ea048a	112	help
1d0eaae9	113	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	114
	115	If in doubt, say N.
	116
	117	config ARM_KIRKWOOD_CPUFREQ
6c8df11d	118	def_bool MACH_KIRKWOOD
a0ea048a VK	119	help
	120	This adds the CPUFreq driver for Marvell Kirkwood
	121	SoCs.
	122
501c574f SW	123	config ARM_MEDIATEK_CPUFREQ
501c574f SW	124	tristate "CPU Frequency scaling support for MediaTek SoCs"
1453863f	125	depends on ARCH_MEDIATEK && REGULATOR
3c2002ae	126	depends on !CPU_THERMAL \|\| THERMAL
1453863f PCC	127	select PM_OPP
1453863f PCC	128	help
501c574f	129	This adds the CPUFreq driver support for MediaTek SoCs.
1453863f	130
b09db45c RK	131	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	132	bool "TI OMAP2+"
2d59dcfb	133	depends on ARCH_OMAP2PLUS
b09db45c	134	default ARCH_OMAP2PLUS
b09db45c	135
f023f8dd VK	136	config ARM_S3C_CPUFREQ
	137	bool
	138	help
	139	Internal configuration node for common cpufreq on Samsung SoC
	140
	141	config ARM_S3C24XX_CPUFREQ
	142	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	143	depends on ARCH_S3C24XX
	144	select ARM_S3C_CPUFREQ
	145	help
	146	This enables the CPUfreq driver for the Samsung S3C24XX family
	147	of CPUs.
	148
	149	For details, take a look at <file:Documentation/cpu-freq>.
	150
	151	If in doubt, say N.
	152
	153	config ARM_S3C24XX_CPUFREQ_DEBUG
	154	bool "Debug CPUfreq Samsung driver core"
	155	depends on ARM_S3C24XX_CPUFREQ
	156	help
	157	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	158
	159	config ARM_S3C24XX_CPUFREQ_IODEBUG
	160	bool "Debug CPUfreq Samsung driver IO timing"
	161	depends on ARM_S3C24XX_CPUFREQ
	162	help
	163	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	164
	165	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	166	bool "Export debugfs for CPUFreq"
	167	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	168	help
	169	Export status information via debugfs.
	170
	171	config ARM_S3C2410_CPUFREQ
	172	bool
	173	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	174	select S3C2410_CPUFREQ_UTILS
	175	help
	176	CPU Frequency scaling support for S3C2410
	177
	178	config ARM_S3C2412_CPUFREQ
	179	bool
	180	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	181	default y
	182	select S3C2412_IOTIMING
	183	help
	184	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	185
34ee5507 HS	186	config ARM_S3C2416_CPUFREQ
	187	bool "S3C2416 CPU Frequency scaling support"
	188	depends on CPU_S3C2416
	189	help
	190	This adds the CPUFreq driver for the Samsung S3C2416 and
	191	S3C2450 SoC. The S3C2416 supports changing the rate of the
	192	armdiv clock source and also entering a so called dynamic
	193	voltage scaling mode in which it is possible to reduce the
735dc249	194	core voltage of the CPU.
34ee5507 HS	195
	196	If in doubt, say N.
	197
	198	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	199	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	200	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	201	help
	202	Enable CPU voltage scaling when entering the dvs mode.
	203	It uses information gathered through existing hardware and
	204	tests but not documented in any datasheet.
	205
	206	If in doubt, say N.
	207
f023f8dd VK	208	config ARM_S3C2440_CPUFREQ
	209	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	210	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	211	select S3C2410_CPUFREQ_UTILS
	212	default y
	213	help
	214	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	215
15964d38 KK	216	config ARM_S3C64XX_CPUFREQ
	217	bool "Samsung S3C64XX"
	218	depends on CPU_S3C6410
	219	default y
	220	help
	221	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	222
	223	If in doubt, say N.
	224
f7d77079 KK	225	config ARM_S5PV210_CPUFREQ
	226	bool "Samsung S5PV210 and S5PC110"
	227	depends on CPU_S5PV210
	228	default y
	229	help
	230	This adds the CPUFreq driver for Samsung S5PV210 and
	231	S5PC110 SoCs.
	232
	233	If in doubt, say N.
	234
59a2e613 VK	235	config ARM_SA1100_CPUFREQ
	236	bool
	237
	238	config ARM_SA1110_CPUFREQ
	239	bool
	240
42099322 DS	241	config ARM_SPEAR_CPUFREQ
	242	bool "SPEAr CPUFreq support"
	243	depends on PLAT_SPEAR
	244	default y
	245	help
	246	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e	247
ab0ea257 LJ	248	config ARM_STI_CPUFREQ
	249	tristate "STi CPUFreq support"
	250	depends on SOC_STIH407
	251	help
	252	This driver uses the generic OPP framework to match the running
	253	platform with a predefined set of suitable values. If not provided
	254	we will fall-back so safe-values contained in Device Tree. Enable
	255	this config option if you wish to add CPUFreq support for STi based
	256	SoCs.
	257
9dbd224f MG	258	config ARM_TANGO_CPUFREQ
	259	bool
	260	depends on CPUFREQ_DT && ARCH_TANGO
	261	default y
	262
109e13ea TT	263	config ARM_TEGRA20_CPUFREQ
109e13ea TT	264	bool "Tegra20 CPUFreq support"
dbb8d76e	265	depends on ARCH_TEGRA
dbb8d76e VK	266	default y
dbb8d76e VK	267	help
109e13ea	268	This adds the CPUFreq driver support for Tegra20 SOCs.
608eab22	269
9eb15dbb TT	270	config ARM_TEGRA124_CPUFREQ
9eb15dbb TT	271	tristate "Tegra124 CPUFreq support"
b5832e4b	272	depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
9eb15dbb TT	273	default y
	274	help
	275	This adds the CPUFreq driver support for Tegra124 SOCs.
	276
939dc6f5 MP	277	config ARM_TEGRA186_CPUFREQ
	278	tristate "Tegra186 CPUFreq support"
	279	depends on ARCH_TEGRA && TEGRA_BPMP
	280	help
	281	This adds the CPUFreq driver support for Tegra186 SOCs.
	282
e13cf046 DG	283	config ARM_TI_CPUFREQ
	284	bool "Texas Instruments CPUFreq support"
	285	depends on ARCH_OMAP2PLUS
	286	help
	287	This driver enables valid OPPs on the running platform based on
	288	values contained within the SoC in use. Enable this in order to
	289	use the cpufreq-dt driver on all Texas Instruments platforms that
	290	provide dt based operating-points-v2 tables with opp-supported-hw
	291	data provided. Required for cpufreq support on AM335x, AM437x,
	292	DRA7x, and AM57x platforms.
	293
608eab22 PC	294	config ARM_PXA2xx_CPUFREQ
	295	tristate "Intel PXA2xx CPUfreq driver"
	296	depends on PXA27x \|\| PXA25x
	297	help
	298	This add the CPUFreq driver support for Intel PXA2xx SOCs.
	299
	300	If in doubt, say N.