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1 #
2 # ARM CPU Frequency scaling drivers
3 #
4
5 # big LITTLE core layer and glue drivers
6 config 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
13 config 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
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
27
28 config 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
39 config 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
50 config ARM_EXYNOS5250_CPUFREQ
51 bool "SAMSUNG EXYNOS5250"
52 depends on SOC_EXYNOS5250
53 depends on ARM_EXYNOS_CPUFREQ
54 default y
55 help
56 This adds the CPUFreq driver for Samsung EXYNOS5250
57 SoC.
58
59 If in doubt, say N.
60
61 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
62 bool "EXYNOS Frequency Overclocking - Software"
63 depends on ARM_EXYNOS_CPUFREQ && THERMAL
64 select CPU_FREQ_BOOST_SW
65 select EXYNOS_THERMAL
66 help
67 This driver supports software managed overclocking (BOOST).
68 It allows usage of special frequencies for Samsung Exynos
69 processors if thermal conditions are appropriate.
70
71 It requires, for safe operation, thermal framework with properly
72 defined trip points.
73
74 If in doubt, say N.
75
76 config ARM_EXYNOS5440_CPUFREQ
77 tristate "SAMSUNG EXYNOS5440"
78 depends on SOC_EXYNOS5440
79 depends on HAVE_CLK && OF
80 select PM_OPP
81 default y
82 help
83 This adds the CPUFreq driver for Samsung EXYNOS5440
84 SoC. The nature of exynos5440 clock controller is
85 different than previous exynos controllers so not using
86 the common exynos framework.
87
88 If in doubt, say N.
89
90 config ARM_HIGHBANK_CPUFREQ
91 tristate "Calxeda Highbank-based"
92 depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
93 default m
94 help
95 This adds the CPUFreq driver for Calxeda Highbank SoC
96 based boards.
97
98 If in doubt, say N.
99
100 config ARM_HISI_ACPU_CPUFREQ
101 tristate "Hisilicon ACPU CPUfreq driver"
102 depends on ARCH_HISI && CPUFREQ_DT
103 select PM_OPP
104 help
105 This enables the hisilicon ACPU CPUfreq driver.
106
107 If in doubt, say N.
108
109 config ARM_IMX6Q_CPUFREQ
110 tristate "Freescale i.MX6 cpufreq support"
111 depends on ARCH_MXC
112 depends on REGULATOR_ANATOP
113 select PM_OPP
114 help
115 This adds cpufreq driver support for Freescale i.MX6 series SoCs.
116
117 If in doubt, say N.
118
119 config ARM_INTEGRATOR
120 tristate "CPUfreq driver for ARM Integrator CPUs"
121 depends on ARCH_INTEGRATOR
122 default y
123 help
124 This enables the CPUfreq driver for ARM Integrator CPUs.
125 If in doubt, say Y.
126
127 config ARM_KIRKWOOD_CPUFREQ
128 def_bool MACH_KIRKWOOD
129 help
130 This adds the CPUFreq driver for Marvell Kirkwood
131 SoCs.
132
133 config ARM_OMAP2PLUS_CPUFREQ
134 bool "TI OMAP2+"
135 depends on ARCH_OMAP2PLUS
136 default ARCH_OMAP2PLUS
137
138 config ARM_S3C_CPUFREQ
139 bool
140 help
141 Internal configuration node for common cpufreq on Samsung SoC
142
143 config ARM_S3C24XX_CPUFREQ
144 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
145 depends on ARCH_S3C24XX
146 select ARM_S3C_CPUFREQ
147 help
148 This enables the CPUfreq driver for the Samsung S3C24XX family
149 of CPUs.
150
151 For details, take a look at <file:Documentation/cpu-freq>.
152
153 If in doubt, say N.
154
155 config ARM_S3C24XX_CPUFREQ_DEBUG
156 bool "Debug CPUfreq Samsung driver core"
157 depends on ARM_S3C24XX_CPUFREQ
158 help
159 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
160
161 config ARM_S3C24XX_CPUFREQ_IODEBUG
162 bool "Debug CPUfreq Samsung driver IO timing"
163 depends on ARM_S3C24XX_CPUFREQ
164 help
165 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
166
167 config ARM_S3C24XX_CPUFREQ_DEBUGFS
168 bool "Export debugfs for CPUFreq"
169 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
170 help
171 Export status information via debugfs.
172
173 config ARM_S3C2410_CPUFREQ
174 bool
175 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
176 select S3C2410_CPUFREQ_UTILS
177 help
178 CPU Frequency scaling support for S3C2410
179
180 config ARM_S3C2412_CPUFREQ
181 bool
182 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
183 default y
184 select S3C2412_IOTIMING
185 help
186 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
187
188 config ARM_S3C2416_CPUFREQ
189 bool "S3C2416 CPU Frequency scaling support"
190 depends on CPU_S3C2416
191 help
192 This adds the CPUFreq driver for the Samsung S3C2416 and
193 S3C2450 SoC. The S3C2416 supports changing the rate of the
194 armdiv clock source and also entering a so called dynamic
195 voltage scaling mode in which it is possible to reduce the
196 core voltage of the CPU.
197
198 If in doubt, say N.
199
200 config ARM_S3C2416_CPUFREQ_VCORESCALE
201 bool "Allow voltage scaling for S3C2416 arm core"
202 depends on ARM_S3C2416_CPUFREQ && REGULATOR
203 help
204 Enable CPU voltage scaling when entering the dvs mode.
205 It uses information gathered through existing hardware and
206 tests but not documented in any datasheet.
207
208 If in doubt, say N.
209
210 config ARM_S3C2440_CPUFREQ
211 bool "S3C2440/S3C2442 CPU Frequency scaling support"
212 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
213 select S3C2410_CPUFREQ_UTILS
214 default y
215 help
216 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
217
218 config ARM_S3C64XX_CPUFREQ
219 bool "Samsung S3C64XX"
220 depends on CPU_S3C6410
221 default y
222 help
223 This adds the CPUFreq driver for Samsung S3C6410 SoC.
224
225 If in doubt, say N.
226
227 config ARM_S5PV210_CPUFREQ
228 bool "Samsung S5PV210 and S5PC110"
229 depends on CPU_S5PV210
230 default y
231 help
232 This adds the CPUFreq driver for Samsung S5PV210 and
233 S5PC110 SoCs.
234
235 If in doubt, say N.
236
237 config ARM_SA1100_CPUFREQ
238 bool
239
240 config ARM_SA1110_CPUFREQ
241 bool
242
243 config ARM_SPEAR_CPUFREQ
244 bool "SPEAr CPUFreq support"
245 depends on PLAT_SPEAR
246 default y
247 help
248 This adds the CPUFreq driver support for SPEAr SOCs.
249
250 config ARM_TEGRA20_CPUFREQ
251 bool "Tegra20 CPUFreq support"
252 depends on ARCH_TEGRA
253 default y
254 help
255 This adds the CPUFreq driver support for Tegra20 SOCs.
256
257 config ARM_PXA2xx_CPUFREQ
258 tristate "Intel PXA2xx CPUfreq driver"
259 depends on PXA27x || PXA25x
260 help
261 This add the CPUFreq driver support for Intel PXA2xx SOCs.
262
263 If in doubt, say N.