[mirror_ubuntu-bionic-kernel.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_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_MT8173_CPUFREQ
	bool "Mediatek MT8173 CPUFreq support"
	depends on ARCH_MEDIATEK && REGULATOR
	depends on !CPU_THERMAL || THERMAL=y
	select PM_OPP
	help
	  This adds the CPUFreq driver support for Mediatek MT8173 SoC.

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
8b2b4a4e AB	27	config ARM_EXYNOS5440_CPUFREQ
	28	tristate "SAMSUNG EXYNOS5440"
	29	depends on SOC_EXYNOS5440
	30	depends on HAVE_CLK && OF
	31	select PM_OPP
	32	default y
	33	help
	34	This adds the CPUFreq driver for Samsung EXYNOS5440
	35	SoC. The nature of exynos5440 clock controller is
	36	different than previous exynos controllers so not using
	37	the common exynos framework.
	38
	39	If in doubt, say N.
	40
a0ea048a VK	41	config ARM_HIGHBANK_CPUFREQ
a0ea048a VK	42	tristate "Calxeda Highbank-based"
bbcf0719	43	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
a0ea048a VK	44	default m
	45	help
	46	This adds the CPUFreq driver for Calxeda Highbank SoC
	47	based boards.
	48
	49	If in doubt, say N.
	50
5acb972f LY	51	config ARM_HISI_ACPU_CPUFREQ
	52	tristate "Hisilicon ACPU CPUfreq driver"
	53	depends on ARCH_HISI && CPUFREQ_DT
	54	select PM_OPP
	55	help
	56	This enables the hisilicon ACPU CPUfreq driver.
	57
	58	If in doubt, say N.
	59
a0ea048a	60	config ARM_IMX6Q_CPUFREQ
1d0eaae9 SG	61	tristate "Freescale i.MX6 cpufreq support"
1d0eaae9 SG	62	depends on ARCH_MXC
a0ea048a	63	depends on REGULATOR_ANATOP
7e021687	64	select PM_OPP
a0ea048a	65	help
1d0eaae9	66	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	67
	68	If in doubt, say N.
	69
b7e614c8 VK	70	config ARM_INTEGRATOR
	71	tristate "CPUfreq driver for ARM Integrator CPUs"
	72	depends on ARCH_INTEGRATOR
	73	default y
	74	help
	75	This enables the CPUfreq driver for ARM Integrator CPUs.
	76	If in doubt, say Y.
	77
a0ea048a	78	config ARM_KIRKWOOD_CPUFREQ
6c8df11d	79	def_bool MACH_KIRKWOOD
a0ea048a VK	80	help
	81	This adds the CPUFreq driver for Marvell Kirkwood
	82	SoCs.
	83
1453863f PCC	84	config ARM_MT8173_CPUFREQ
	85	bool "Mediatek MT8173 CPUFreq support"
	86	depends on ARCH_MEDIATEK && REGULATOR
5269e706	87	depends on !CPU_THERMAL \|\| THERMAL=y
1453863f PCC	88	select PM_OPP
	89	help
	90	This adds the CPUFreq driver support for Mediatek MT8173 SoC.
	91
b09db45c RK	92	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	93	bool "TI OMAP2+"
2d59dcfb	94	depends on ARCH_OMAP2PLUS
b09db45c	95	default ARCH_OMAP2PLUS
b09db45c	96
f023f8dd VK	97	config ARM_S3C_CPUFREQ
	98	bool
	99	help
	100	Internal configuration node for common cpufreq on Samsung SoC
	101
	102	config ARM_S3C24XX_CPUFREQ
	103	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	104	depends on ARCH_S3C24XX
	105	select ARM_S3C_CPUFREQ
	106	help
	107	This enables the CPUfreq driver for the Samsung S3C24XX family
	108	of CPUs.
	109
	110	For details, take a look at <file:Documentation/cpu-freq>.
	111
	112	If in doubt, say N.
	113
	114	config ARM_S3C24XX_CPUFREQ_DEBUG
	115	bool "Debug CPUfreq Samsung driver core"
	116	depends on ARM_S3C24XX_CPUFREQ
	117	help
	118	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	119
	120	config ARM_S3C24XX_CPUFREQ_IODEBUG
	121	bool "Debug CPUfreq Samsung driver IO timing"
	122	depends on ARM_S3C24XX_CPUFREQ
	123	help
	124	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	125
	126	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	127	bool "Export debugfs for CPUFreq"
	128	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	129	help
	130	Export status information via debugfs.
	131
	132	config ARM_S3C2410_CPUFREQ
	133	bool
	134	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	135	select S3C2410_CPUFREQ_UTILS
	136	help
	137	CPU Frequency scaling support for S3C2410
	138
	139	config ARM_S3C2412_CPUFREQ
	140	bool
	141	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	142	default y
	143	select S3C2412_IOTIMING
	144	help
	145	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	146
34ee5507 HS	147	config ARM_S3C2416_CPUFREQ
	148	bool "S3C2416 CPU Frequency scaling support"
	149	depends on CPU_S3C2416
	150	help
	151	This adds the CPUFreq driver for the Samsung S3C2416 and
	152	S3C2450 SoC. The S3C2416 supports changing the rate of the
	153	armdiv clock source and also entering a so called dynamic
	154	voltage scaling mode in which it is possible to reduce the
735dc249	155	core voltage of the CPU.
34ee5507 HS	156
	157	If in doubt, say N.
	158
	159	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	160	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	161	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	162	help
	163	Enable CPU voltage scaling when entering the dvs mode.
	164	It uses information gathered through existing hardware and
	165	tests but not documented in any datasheet.
	166
	167	If in doubt, say N.
	168
f023f8dd VK	169	config ARM_S3C2440_CPUFREQ
	170	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	171	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	172	select S3C2410_CPUFREQ_UTILS
	173	default y
	174	help
	175	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	176
15964d38 KK	177	config ARM_S3C64XX_CPUFREQ
	178	bool "Samsung S3C64XX"
	179	depends on CPU_S3C6410
	180	default y
	181	help
	182	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	183
	184	If in doubt, say N.
	185
f7d77079 KK	186	config ARM_S5PV210_CPUFREQ
	187	bool "Samsung S5PV210 and S5PC110"
	188	depends on CPU_S5PV210
	189	default y
	190	help
	191	This adds the CPUFreq driver for Samsung S5PV210 and
	192	S5PC110 SoCs.
	193
	194	If in doubt, say N.
	195
59a2e613 VK	196	config ARM_SA1100_CPUFREQ
	197	bool
	198
	199	config ARM_SA1110_CPUFREQ
	200	bool
	201
42099322 DS	202	config ARM_SPEAR_CPUFREQ
	203	bool "SPEAr CPUFreq support"
	204	depends on PLAT_SPEAR
	205	default y
	206	help
	207	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e	208
109e13ea TT	209	config ARM_TEGRA20_CPUFREQ
109e13ea TT	210	bool "Tegra20 CPUFreq support"
dbb8d76e	211	depends on ARCH_TEGRA
dbb8d76e VK	212	default y
dbb8d76e VK	213	help
109e13ea	214	This adds the CPUFreq driver support for Tegra20 SOCs.
608eab22	215
9eb15dbb TT	216	config ARM_TEGRA124_CPUFREQ
	217	tristate "Tegra124 CPUFreq support"
	218	depends on ARCH_TEGRA && CPUFREQ_DT
	219	default y
	220	help
	221	This adds the CPUFreq driver support for Tegra124 SOCs.
	222
608eab22 PC	223	config ARM_PXA2xx_CPUFREQ
	224	tristate "Intel PXA2xx CPUfreq driver"
	225	depends on PXA27x \|\| PXA25x
	226	help
	227	This add the CPUFreq driver support for Intel PXA2xx SOCs.
	228
	229	If in doubt, say N.