xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision 94cdda6b) 
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 && BIG_LITTLE && ARM_CPU_TOPOLOGY && 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_EXYNOS4210_CPUFREQ
40	bool "SAMSUNG EXYNOS4210"
41	depends on CPU_EXYNOS4210
42	depends on ARM_EXYNOS_CPUFREQ
43	default y
44	help
45	  This adds the CPUFreq driver for Samsung EXYNOS4210
46	  SoC (S5PV310 or S5PC210).
47
48	  If in doubt, say N.
49
50config ARM_EXYNOS4X12_CPUFREQ
51	bool "SAMSUNG EXYNOS4x12"
52	depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
53	depends on ARM_EXYNOS_CPUFREQ
54	default y
55	help
56	  This adds the CPUFreq driver for Samsung EXYNOS4X12
57	  SoC (EXYNOS4212 or EXYNOS4412).
58
59	  If in doubt, say N.
60
61config ARM_EXYNOS5250_CPUFREQ
62	bool "SAMSUNG EXYNOS5250"
63	depends on SOC_EXYNOS5250
64	depends on ARM_EXYNOS_CPUFREQ
65	default y
66	help
67	  This adds the CPUFreq driver for Samsung EXYNOS5250
68	  SoC.
69
70	  If in doubt, say N.
71
72config ARM_EXYNOS_CPU_FREQ_BOOST_SW
73	bool "EXYNOS Frequency Overclocking - Software"
74	depends on ARM_EXYNOS_CPUFREQ && THERMAL
75	select CPU_FREQ_BOOST_SW
76	select EXYNOS_THERMAL
77	help
78	  This driver supports software managed overclocking (BOOST).
79	  It allows usage of special frequencies for Samsung Exynos
80	  processors if thermal conditions are appropriate.
81
82	  It requires, for safe operation, thermal framework with properly
83	  defined trip points.
84
85	  If in doubt, say N.
86
87config ARM_EXYNOS5440_CPUFREQ
88	tristate "SAMSUNG EXYNOS5440"
89	depends on SOC_EXYNOS5440
90	depends on HAVE_CLK && OF
91	select PM_OPP
92	default y
93	help
94	  This adds the CPUFreq driver for Samsung EXYNOS5440
95	  SoC. The nature of exynos5440 clock controller is
96	  different than previous exynos controllers so not using
97	  the common exynos framework.
98
99	  If in doubt, say N.
100
101config ARM_HIGHBANK_CPUFREQ
102	tristate "Calxeda Highbank-based"
103	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
104	default m
105	help
106	  This adds the CPUFreq driver for Calxeda Highbank SoC
107	  based boards.
108
109	  If in doubt, say N.
110
111config ARM_HISI_ACPU_CPUFREQ
112	tristate "Hisilicon ACPU CPUfreq driver"
113	depends on ARCH_HISI && CPUFREQ_DT
114	select PM_OPP
115	help
116	  This enables the hisilicon ACPU CPUfreq driver.
117
118	  If in doubt, say N.
119
120config ARM_IMX6Q_CPUFREQ
121	tristate "Freescale i.MX6 cpufreq support"
122	depends on ARCH_MXC
123	depends on REGULATOR_ANATOP
124	select PM_OPP
125	help
126	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
127
128	  If in doubt, say N.
129
130config ARM_INTEGRATOR
131	tristate "CPUfreq driver for ARM Integrator CPUs"
132	depends on ARCH_INTEGRATOR
133	default y
134	help
135	  This enables the CPUfreq driver for ARM Integrator CPUs.
136	  If in doubt, say Y.
137
138config ARM_KIRKWOOD_CPUFREQ
139	def_bool MACH_KIRKWOOD
140	help
141	  This adds the CPUFreq driver for Marvell Kirkwood
142	  SoCs.
143
144config ARM_OMAP2PLUS_CPUFREQ
145	bool "TI OMAP2+"
146	depends on ARCH_OMAP2PLUS
147	default ARCH_OMAP2PLUS
148
149config ARM_S3C_CPUFREQ
150	bool
151	help
152	  Internal configuration node for common cpufreq on Samsung SoC
153
154config ARM_S3C24XX_CPUFREQ
155	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
156	depends on ARCH_S3C24XX
157	select ARM_S3C_CPUFREQ
158	help
159	  This enables the CPUfreq driver for the Samsung S3C24XX family
160	  of CPUs.
161
162	  For details, take a look at <file:Documentation/cpu-freq>.
163
164	  If in doubt, say N.
165
166config ARM_S3C24XX_CPUFREQ_DEBUG
167	bool "Debug CPUfreq Samsung driver core"
168	depends on ARM_S3C24XX_CPUFREQ
169	help
170	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
171
172config ARM_S3C24XX_CPUFREQ_IODEBUG
173	bool "Debug CPUfreq Samsung driver IO timing"
174	depends on ARM_S3C24XX_CPUFREQ
175	help
176	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
177
178config ARM_S3C24XX_CPUFREQ_DEBUGFS
179	bool "Export debugfs for CPUFreq"
180	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
181	help
182	  Export status information via debugfs.
183
184config ARM_S3C2410_CPUFREQ
185	bool
186	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
187	select S3C2410_CPUFREQ_UTILS
188	help
189	  CPU Frequency scaling support for S3C2410
190
191config ARM_S3C2412_CPUFREQ
192	bool
193	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
194	default y
195	select S3C2412_IOTIMING
196	help
197	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
198
199config ARM_S3C2416_CPUFREQ
200	bool "S3C2416 CPU Frequency scaling support"
201	depends on CPU_S3C2416
202	help
203	  This adds the CPUFreq driver for the Samsung S3C2416 and
204	  S3C2450 SoC. The S3C2416 supports changing the rate of the
205	  armdiv clock source and also entering a so called dynamic
206	  voltage scaling mode in which it is possible to reduce the
207	  core voltage of the CPU.
208
209	  If in doubt, say N.
210
211config ARM_S3C2416_CPUFREQ_VCORESCALE
212	bool "Allow voltage scaling for S3C2416 arm core"
213	depends on ARM_S3C2416_CPUFREQ && REGULATOR
214	help
215	  Enable CPU voltage scaling when entering the dvs mode.
216	  It uses information gathered through existing hardware and
217	  tests but not documented in any datasheet.
218
219	  If in doubt, say N.
220
221config ARM_S3C2440_CPUFREQ
222	bool "S3C2440/S3C2442 CPU Frequency scaling support"
223	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
224	select S3C2410_CPUFREQ_UTILS
225	default y
226	help
227	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
228
229config ARM_S3C64XX_CPUFREQ
230	bool "Samsung S3C64XX"
231	depends on CPU_S3C6410
232	default y
233	help
234	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
235
236	  If in doubt, say N.
237
238config ARM_S5PV210_CPUFREQ
239	bool "Samsung S5PV210 and S5PC110"
240	depends on CPU_S5PV210
241	default y
242	help
243	  This adds the CPUFreq driver for Samsung S5PV210 and
244	  S5PC110 SoCs.
245
246	  If in doubt, say N.
247
248config ARM_SA1100_CPUFREQ
249	bool
250
251config ARM_SA1110_CPUFREQ
252	bool
253
254config ARM_SPEAR_CPUFREQ
255	bool "SPEAr CPUFreq support"
256	depends on PLAT_SPEAR
257	default y
258	help
259	  This adds the CPUFreq driver support for SPEAr SOCs.
260
261config ARM_TEGRA_CPUFREQ
262	bool "TEGRA CPUFreq support"
263	depends on ARCH_TEGRA
264	default y
265	help
266	  This adds the CPUFreq driver support for TEGRA SOCs.
267
268config ARM_PXA2xx_CPUFREQ
269	tristate "Intel PXA2xx CPUfreq driver"
270	depends on PXA27x || PXA25x
271	help
272	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
273
274	  If in doubt, say N.
275