[mirror_ubuntu-jammy-kernel.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 && 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_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_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_QCOM_CPUFREQ_KRYO
	tristate "Qualcomm Kryo based CPUFreq"
	depends on ARM64
	depends on QCOM_QFPROM
	depends on QCOM_SMEM
	select PM_OPP
	help
	  This adds the CPUFreq driver for Qualcomm Kryo SoC based boards.

	  If in doubt, say N.

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
	tristate "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"
a7314405	31	depends on ARM_CPU_TOPOLOGY && 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_SCPI_CPUFREQ
b17d2f8d GC	39	tristate "SCPI based CPUfreq driver"
5c8b2623	40	depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
3478b24c	41	depends on !CPU_THERMAL \|\| THERMAL
b17d2f8d	42	help
5c8b2623 SH	43	This adds the CPUfreq driver support for ARM platforms using SCPI
5c8b2623 SH	44	protocol for CPU power management.
b17d2f8d GC	45
	46	This driver uses SCPI Message Protocol driver to interact with the
	47	firmware providing the CPU DVFS functionality.
	48
	49	config ARM_VEXPRESS_SPC_CPUFREQ
	50	tristate "Versatile Express SPC based CPUfreq driver"
	51	depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
	52	help
	53	This add the CPUfreq driver support for Versatile Express
	54	big.LITTLE platforms using SPC for power management.
	55
de322e08 MM	56	config ARM_BRCMSTB_AVS_CPUFREQ
	57	tristate "Broadcom STB AVS CPUfreq driver"
	58	depends on ARCH_BRCMSTB \|\| COMPILE_TEST
	59	default y
	60	help
	61	Some Broadcom STB SoCs use a co-processor running proprietary firmware
	62	("AVS") to handle voltage and frequency scaling. This driver provides
	63	a standard CPUfreq interface to to the firmware.
	64
	65	Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
	66
a0ea048a VK	67	config ARM_HIGHBANK_CPUFREQ
a0ea048a VK	68	tristate "Calxeda Highbank-based"
bbcf0719	69	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
a0ea048a VK	70	default m
	71	help
	72	This adds the CPUFreq driver for Calxeda Highbank SoC
	73	based boards.
	74
	75	If in doubt, say N.
	76
	77	config ARM_IMX6Q_CPUFREQ
1d0eaae9 SG	78	tristate "Freescale i.MX6 cpufreq support"
1d0eaae9 SG	79	depends on ARCH_MXC
a0ea048a	80	depends on REGULATOR_ANATOP
7e021687	81	select PM_OPP
a0ea048a	82	help
1d0eaae9	83	This adds cpufreq driver support for Freescale i.MX6 series SoCs.
a0ea048a VK	84
	85	If in doubt, say N.
	86
	87	config ARM_KIRKWOOD_CPUFREQ
6c8df11d	88	def_bool MACH_KIRKWOOD
a0ea048a VK	89	help
	90	This adds the CPUFreq driver for Marvell Kirkwood
	91	SoCs.
	92
501c574f SW	93	config ARM_MEDIATEK_CPUFREQ
501c574f SW	94	tristate "CPU Frequency scaling support for MediaTek SoCs"
1453863f	95	depends on ARCH_MEDIATEK && REGULATOR
3c2002ae	96	depends on !CPU_THERMAL \|\| THERMAL
1453863f PCC	97	select PM_OPP
1453863f PCC	98	help
501c574f	99	This adds the CPUFreq driver support for MediaTek SoCs.
1453863f	100
b09db45c RK	101	config ARM_OMAP2PLUS_CPUFREQ
b09db45c RK	102	bool "TI OMAP2+"
2d59dcfb	103	depends on ARCH_OMAP2PLUS
b09db45c	104	default ARCH_OMAP2PLUS
b09db45c	105
46e2856b	106	config ARM_QCOM_CPUFREQ_KRYO
ac289276	107	tristate "Qualcomm Kryo based CPUFreq"
46e2856b IL	108	depends on ARM64
	109	depends on QCOM_QFPROM
	110	depends on QCOM_SMEM
	111	select PM_OPP
	112	help
	113	This adds the CPUFreq driver for Qualcomm Kryo SoC based boards.
	114
	115	If in doubt, say N.
	116
f023f8dd VK	117	config ARM_S3C_CPUFREQ
	118	bool
	119	help
	120	Internal configuration node for common cpufreq on Samsung SoC
	121
	122	config ARM_S3C24XX_CPUFREQ
	123	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
	124	depends on ARCH_S3C24XX
	125	select ARM_S3C_CPUFREQ
	126	help
	127	This enables the CPUfreq driver for the Samsung S3C24XX family
	128	of CPUs.
	129
	130	For details, take a look at <file:Documentation/cpu-freq>.
	131
	132	If in doubt, say N.
	133
	134	config ARM_S3C24XX_CPUFREQ_DEBUG
	135	bool "Debug CPUfreq Samsung driver core"
	136	depends on ARM_S3C24XX_CPUFREQ
	137	help
	138	Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
	139
	140	config ARM_S3C24XX_CPUFREQ_IODEBUG
	141	bool "Debug CPUfreq Samsung driver IO timing"
	142	depends on ARM_S3C24XX_CPUFREQ
	143	help
	144	Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
	145
	146	config ARM_S3C24XX_CPUFREQ_DEBUGFS
	147	bool "Export debugfs for CPUFreq"
	148	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
	149	help
	150	Export status information via debugfs.
	151
	152	config ARM_S3C2410_CPUFREQ
	153	bool
	154	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
	155	select S3C2410_CPUFREQ_UTILS
	156	help
	157	CPU Frequency scaling support for S3C2410
	158
	159	config ARM_S3C2412_CPUFREQ
	160	bool
	161	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
	162	default y
	163	select S3C2412_IOTIMING
	164	help
	165	CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
	166
34ee5507 HS	167	config ARM_S3C2416_CPUFREQ
	168	bool "S3C2416 CPU Frequency scaling support"
	169	depends on CPU_S3C2416
	170	help
	171	This adds the CPUFreq driver for the Samsung S3C2416 and
	172	S3C2450 SoC. The S3C2416 supports changing the rate of the
	173	armdiv clock source and also entering a so called dynamic
	174	voltage scaling mode in which it is possible to reduce the
735dc249	175	core voltage of the CPU.
34ee5507 HS	176
	177	If in doubt, say N.
	178
	179	config ARM_S3C2416_CPUFREQ_VCORESCALE
0f194b56 KC	180	bool "Allow voltage scaling for S3C2416 arm core"
0f194b56 KC	181	depends on ARM_S3C2416_CPUFREQ && REGULATOR
34ee5507 HS	182	help
	183	Enable CPU voltage scaling when entering the dvs mode.
	184	It uses information gathered through existing hardware and
	185	tests but not documented in any datasheet.
	186
	187	If in doubt, say N.
	188
f023f8dd VK	189	config ARM_S3C2440_CPUFREQ
	190	bool "S3C2440/S3C2442 CPU Frequency scaling support"
	191	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 \|\| CPU_S3C2442)
	192	select S3C2410_CPUFREQ_UTILS
	193	default y
	194	help
	195	CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
	196
15964d38 KK	197	config ARM_S3C64XX_CPUFREQ
	198	bool "Samsung S3C64XX"
	199	depends on CPU_S3C6410
	200	default y
	201	help
	202	This adds the CPUFreq driver for Samsung S3C6410 SoC.
	203
	204	If in doubt, say N.
	205
f7d77079 KK	206	config ARM_S5PV210_CPUFREQ
	207	bool "Samsung S5PV210 and S5PC110"
	208	depends on CPU_S5PV210
	209	default y
	210	help
	211	This adds the CPUFreq driver for Samsung S5PV210 and
	212	S5PC110 SoCs.
	213
	214	If in doubt, say N.
	215
59a2e613 VK	216	config ARM_SA1100_CPUFREQ
	217	bool
	218
	219	config ARM_SA1110_CPUFREQ
	220	bool
	221
99d6bdf3 SH	222	config ARM_SCMI_CPUFREQ
	223	tristate "SCMI based CPUfreq driver"
	224	depends on ARM_SCMI_PROTOCOL \|\| COMPILE_TEST
697a3a87	225	depends on !CPU_THERMAL \|\| THERMAL
99d6bdf3 SH	226	select PM_OPP
	227	help
	228	This adds the CPUfreq driver support for ARM platforms using SCMI
	229	protocol for CPU power management.
	230
	231	This driver uses SCMI Message Protocol driver to interact with the
	232	firmware providing the CPU DVFS functionality.
	233
42099322 DS	234	config ARM_SPEAR_CPUFREQ
	235	bool "SPEAr CPUFreq support"
	236	depends on PLAT_SPEAR
	237	default y
	238	help
	239	This adds the CPUFreq driver support for SPEAr SOCs.
dbb8d76e	240
ab0ea257 LJ	241	config ARM_STI_CPUFREQ
	242	tristate "STi CPUFreq support"
	243	depends on SOC_STIH407
	244	help
	245	This driver uses the generic OPP framework to match the running
	246	platform with a predefined set of suitable values. If not provided
	247	we will fall-back so safe-values contained in Device Tree. Enable
	248	this config option if you wish to add CPUFreq support for STi based
	249	SoCs.
	250
9dbd224f MG	251	config ARM_TANGO_CPUFREQ
	252	bool
	253	depends on CPUFREQ_DT && ARCH_TANGO
	254	default y
	255
109e13ea	256	config ARM_TEGRA20_CPUFREQ
7732c9e0	257	tristate "Tegra20 CPUFreq support"
dbb8d76e	258	depends on ARCH_TEGRA
dbb8d76e VK	259	default y
dbb8d76e VK	260	help
109e13ea	261	This adds the CPUFreq driver support for Tegra20 SOCs.
608eab22	262
9eb15dbb TT	263	config ARM_TEGRA124_CPUFREQ
9eb15dbb TT	264	tristate "Tegra124 CPUFreq support"
b5832e4b	265	depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
9eb15dbb TT	266	default y
	267	help
	268	This adds the CPUFreq driver support for Tegra124 SOCs.
	269
939dc6f5 MP	270	config ARM_TEGRA186_CPUFREQ
	271	tristate "Tegra186 CPUFreq support"
	272	depends on ARCH_TEGRA && TEGRA_BPMP
	273	help
	274	This adds the CPUFreq driver support for Tegra186 SOCs.
	275
e13cf046 DG	276	config ARM_TI_CPUFREQ
	277	bool "Texas Instruments CPUFreq support"
	278	depends on ARCH_OMAP2PLUS
	279	help
	280	This driver enables valid OPPs on the running platform based on
	281	values contained within the SoC in use. Enable this in order to
	282	use the cpufreq-dt driver on all Texas Instruments platforms that
	283	provide dt based operating-points-v2 tables with opp-supported-hw
	284	data provided. Required for cpufreq support on AM335x, AM437x,
	285	DRA7x, and AM57x platforms.
	286
608eab22 PC	287	config ARM_PXA2xx_CPUFREQ
	288	tristate "Intel PXA2xx CPUfreq driver"
	289	depends on PXA27x \|\| PXA25x
	290	help
	291	This add the CPUFreq driver support for Intel PXA2xx SOCs.
	292
	293	If in doubt, say N.