xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision 1c2f87c2) 
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	bool
30
31config ARM_EXYNOS4210_CPUFREQ
32	bool "SAMSUNG EXYNOS4210"
33	depends on CPU_EXYNOS4210 && !ARCH_MULTIPLATFORM
34	default y
35	select ARM_EXYNOS_CPUFREQ
36	help
37	  This adds the CPUFreq driver for Samsung EXYNOS4210
38	  SoC (S5PV310 or S5PC210).
39
40	  If in doubt, say N.
41
42config ARM_EXYNOS4X12_CPUFREQ
43	bool "SAMSUNG EXYNOS4x12"
44	depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412) && !ARCH_MULTIPLATFORM
45	default y
46	select ARM_EXYNOS_CPUFREQ
47	help
48	  This adds the CPUFreq driver for Samsung EXYNOS4X12
49	  SoC (EXYNOS4212 or EXYNOS4412).
50
51	  If in doubt, say N.
52
53config ARM_EXYNOS5250_CPUFREQ
54	bool "SAMSUNG EXYNOS5250"
55	depends on SOC_EXYNOS5250 && !ARCH_MULTIPLATFORM
56	default y
57	select ARM_EXYNOS_CPUFREQ
58	help
59	  This adds the CPUFreq driver for Samsung EXYNOS5250
60	  SoC.
61
62	  If in doubt, say N.
63
64config ARM_EXYNOS5440_CPUFREQ
65	bool "SAMSUNG EXYNOS5440"
66	depends on SOC_EXYNOS5440
67	depends on HAVE_CLK && OF
68	select PM_OPP
69	default y
70	help
71	  This adds the CPUFreq driver for Samsung EXYNOS5440
72	  SoC. The nature of exynos5440 clock controller is
73	  different than previous exynos controllers so not using
74	  the common exynos framework.
75
76	  If in doubt, say N.
77
78config ARM_EXYNOS_CPU_FREQ_BOOST_SW
79	bool "EXYNOS Frequency Overclocking - Software"
80	depends on ARM_EXYNOS_CPUFREQ
81	select CPU_FREQ_BOOST_SW
82	select EXYNOS_THERMAL
83	help
84	  This driver supports software managed overclocking (BOOST).
85	  It allows usage of special frequencies for Samsung Exynos
86	  processors if thermal conditions are appropriate.
87
88	  It reguires, for safe operation, thermal framework with properly
89	  defined trip points.
90
91	  If in doubt, say N.
92
93config ARM_HIGHBANK_CPUFREQ
94	tristate "Calxeda Highbank-based"
95	depends on ARCH_HIGHBANK
96	select GENERIC_CPUFREQ_CPU0
97	select PM_OPP
98	select REGULATOR
99
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
107config ARM_IMX6Q_CPUFREQ
108	tristate "Freescale i.MX6 cpufreq support"
109	depends on ARCH_MXC
110	depends on REGULATOR_ANATOP
111	help
112	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
113
114	  If in doubt, say N.
115
116config ARM_INTEGRATOR
117	tristate "CPUfreq driver for ARM Integrator CPUs"
118	depends on ARCH_INTEGRATOR
119	default y
120	help
121	  This enables the CPUfreq driver for ARM Integrator CPUs.
122	  If in doubt, say Y.
123
124config ARM_KIRKWOOD_CPUFREQ
125	def_bool MACH_KIRKWOOD
126	help
127	  This adds the CPUFreq driver for Marvell Kirkwood
128	  SoCs.
129
130config ARM_OMAP2PLUS_CPUFREQ
131	bool "TI OMAP2+"
132	depends on ARCH_OMAP2PLUS
133	default ARCH_OMAP2PLUS
134
135config ARM_S3C_CPUFREQ
136	bool
137	help
138	  Internal configuration node for common cpufreq on Samsung SoC
139
140config ARM_S3C24XX_CPUFREQ
141	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
142	depends on ARCH_S3C24XX
143	select ARM_S3C_CPUFREQ
144	help
145	  This enables the CPUfreq driver for the Samsung S3C24XX family
146	  of CPUs.
147
148	  For details, take a look at <file:Documentation/cpu-freq>.
149
150	  If in doubt, say N.
151
152config ARM_S3C24XX_CPUFREQ_DEBUG
153	bool "Debug CPUfreq Samsung driver core"
154	depends on ARM_S3C24XX_CPUFREQ
155	help
156	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
157
158config ARM_S3C24XX_CPUFREQ_IODEBUG
159	bool "Debug CPUfreq Samsung driver IO timing"
160	depends on ARM_S3C24XX_CPUFREQ
161	help
162	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
163
164config ARM_S3C24XX_CPUFREQ_DEBUGFS
165	bool "Export debugfs for CPUFreq"
166	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
167	help
168	  Export status information via debugfs.
169
170config ARM_S3C2410_CPUFREQ
171	bool
172	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
173	select S3C2410_CPUFREQ_UTILS
174	help
175	  CPU Frequency scaling support for S3C2410
176
177config ARM_S3C2412_CPUFREQ
178	bool
179	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
180	default y
181	select S3C2412_IOTIMING
182	help
183	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
184
185config ARM_S3C2416_CPUFREQ
186	bool "S3C2416 CPU Frequency scaling support"
187	depends on CPU_S3C2416
188	help
189	  This adds the CPUFreq driver for the Samsung S3C2416 and
190	  S3C2450 SoC. The S3C2416 supports changing the rate of the
191	  armdiv clock source and also entering a so called dynamic
192	  voltage scaling mode in which it is possible to reduce the
193	  core voltage of the cpu.
194
195	  If in doubt, say N.
196
197config ARM_S3C2416_CPUFREQ_VCORESCALE
198	bool "Allow voltage scaling for S3C2416 arm core"
199	depends on ARM_S3C2416_CPUFREQ && REGULATOR
200	help
201	  Enable CPU voltage scaling when entering the dvs mode.
202	  It uses information gathered through existing hardware and
203	  tests but not documented in any datasheet.
204
205	  If in doubt, say N.
206
207config ARM_S3C2440_CPUFREQ
208	bool "S3C2440/S3C2442 CPU Frequency scaling support"
209	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
210	select S3C2410_CPUFREQ_UTILS
211	default y
212	help
213	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
214
215config ARM_S3C64XX_CPUFREQ
216	bool "Samsung S3C64XX"
217	depends on CPU_S3C6410
218	default y
219	help
220	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
221
222	  If in doubt, say N.
223
224config ARM_S5PV210_CPUFREQ
225	bool "Samsung S5PV210 and S5PC110"
226	depends on CPU_S5PV210
227	default y
228	help
229	  This adds the CPUFreq driver for Samsung S5PV210 and
230	  S5PC110 SoCs.
231
232	  If in doubt, say N.
233
234config ARM_SA1100_CPUFREQ
235	bool
236
237config ARM_SA1110_CPUFREQ
238	bool
239
240config ARM_SPEAR_CPUFREQ
241	bool "SPEAr CPUFreq support"
242	depends on PLAT_SPEAR
243	default y
244	help
245	  This adds the CPUFreq driver support for SPEAr SOCs.
246
247config ARM_TEGRA_CPUFREQ
248	bool "TEGRA CPUFreq support"
249	depends on ARCH_TEGRA
250	default y
251	help
252	  This adds the CPUFreq driver support for TEGRA SOCs.
253