xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision ac4c90c8) 
1#
2# ARM CPU Frequency scaling drivers
3#
4
5# big LITTLE core layer and glue drivers
6config ARM_BIG_LITTLE_CPUFREQ
7	tristate "Generic ARM big LITTLE CPUfreq driver"
8	depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK
9	select PM_OPP
10	help
11	  This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
12
13config ARM_DT_BL_CPUFREQ
14	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
15	depends on ARM_BIG_LITTLE_CPUFREQ && OF
16	help
17	  This enables probing via DT for Generic CPUfreq driver for ARM
18	  big.LITTLE platform. This gets frequency tables from DT.
19
20config 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
28config ARM_EXYNOS_CPUFREQ
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.
38
39config ARM_EXYNOS4X12_CPUFREQ
40	bool "SAMSUNG EXYNOS4x12"
41	depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
42	depends on ARM_EXYNOS_CPUFREQ
43	default y
44	help
45	  This adds the CPUFreq driver for Samsung EXYNOS4X12
46	  SoC (EXYNOS4212 or EXYNOS4412).
47
48	  If in doubt, say N.
49
50config ARM_EXYNOS_CPU_FREQ_BOOST_SW
51	bool "EXYNOS Frequency Overclocking - Software"
52	depends on ARM_EXYNOS_CPUFREQ && THERMAL
53	select CPU_FREQ_BOOST_SW
54	select EXYNOS_THERMAL
55	help
56	  This driver supports software managed overclocking (BOOST).
57	  It allows usage of special frequencies for Samsung Exynos
58	  processors if thermal conditions are appropriate.
59
60	  It requires, for safe operation, thermal framework with properly
61	  defined trip points.
62
63	  If in doubt, say N.
64
65config ARM_EXYNOS5440_CPUFREQ
66	tristate "SAMSUNG EXYNOS5440"
67	depends on SOC_EXYNOS5440
68	depends on HAVE_CLK && OF
69	select PM_OPP
70	default y
71	help
72	  This adds the CPUFreq driver for Samsung EXYNOS5440
73	  SoC. The nature of exynos5440 clock controller is
74	  different than previous exynos controllers so not using
75	  the common exynos framework.
76
77	  If in doubt, say N.
78
79config ARM_HIGHBANK_CPUFREQ
80	tristate "Calxeda Highbank-based"
81	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
82	default m
83	help
84	  This adds the CPUFreq driver for Calxeda Highbank SoC
85	  based boards.
86
87	  If in doubt, say N.
88
89config ARM_HISI_ACPU_CPUFREQ
90	tristate "Hisilicon ACPU CPUfreq driver"
91	depends on ARCH_HISI && CPUFREQ_DT
92	select PM_OPP
93	help
94	  This enables the hisilicon ACPU CPUfreq driver.
95
96	  If in doubt, say N.
97
98config ARM_IMX6Q_CPUFREQ
99	tristate "Freescale i.MX6 cpufreq support"
100	depends on ARCH_MXC
101	depends on REGULATOR_ANATOP
102	select PM_OPP
103	help
104	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
105
106	  If in doubt, say N.
107
108config ARM_INTEGRATOR
109	tristate "CPUfreq driver for ARM Integrator CPUs"
110	depends on ARCH_INTEGRATOR
111	default y
112	help
113	  This enables the CPUfreq driver for ARM Integrator CPUs.
114	  If in doubt, say Y.
115
116config ARM_KIRKWOOD_CPUFREQ
117	def_bool MACH_KIRKWOOD
118	help
119	  This adds the CPUFreq driver for Marvell Kirkwood
120	  SoCs.
121
122config ARM_OMAP2PLUS_CPUFREQ
123	bool "TI OMAP2+"
124	depends on ARCH_OMAP2PLUS
125	default ARCH_OMAP2PLUS
126
127config ARM_S3C_CPUFREQ
128	bool
129	help
130	  Internal configuration node for common cpufreq on Samsung SoC
131
132config 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
144config 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
150config 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
156config 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
162config 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
169config 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
177config 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
185	  core voltage of the CPU.
186
187	  If in doubt, say N.
188
189config ARM_S3C2416_CPUFREQ_VCORESCALE
190	bool "Allow voltage scaling for S3C2416 arm core"
191	depends on ARM_S3C2416_CPUFREQ && REGULATOR
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
199config 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
207config 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
216config 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
226config ARM_SA1100_CPUFREQ
227	bool
228
229config ARM_SA1110_CPUFREQ
230	bool
231
232config ARM_SPEAR_CPUFREQ
233	bool "SPEAr CPUFreq support"
234	depends on PLAT_SPEAR
235	default y
236	help
237	  This adds the CPUFreq driver support for SPEAr SOCs.
238
239config ARM_TEGRA_CPUFREQ
240	bool "TEGRA CPUFreq support"
241	depends on ARCH_TEGRA
242	default y
243	help
244	  This adds the CPUFreq driver support for TEGRA SOCs.
245
246config ARM_PXA2xx_CPUFREQ
247	tristate "Intel PXA2xx CPUfreq driver"
248	depends on PXA27x || PXA25x
249	help
250	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
251
252	  If in doubt, say N.
253