2 # ARM CPU Frequency scaling drivers
5 config ARM_BIG_LITTLE_CPUFREQ
6 tristate "Generic ARM big LITTLE CPUfreq driver"
7 depends on ARM_CPU_TOPOLOGY && PM_OPP && HAVE_CLK
9 This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
11 config ARM_DT_BL_CPUFREQ
12 tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
13 depends on ARM_BIG_LITTLE_CPUFREQ && OF
15 This enables probing via DT for Generic CPUfreq driver for ARM
16 big.LITTLE platform. This gets frequency tables from DT.
18 config ARM_EXYNOS_CPUFREQ
19 bool "SAMSUNG EXYNOS SoCs"
20 depends on ARCH_EXYNOS
23 This adds the CPUFreq driver common part for Samsung
28 config ARM_EXYNOS4210_CPUFREQ
29 def_bool CPU_EXYNOS4210
31 This adds the CPUFreq driver for Samsung EXYNOS4210
32 SoC (S5PV310 or S5PC210).
34 config ARM_EXYNOS4X12_CPUFREQ
35 def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412)
37 This adds the CPUFreq driver for Samsung EXYNOS4X12
38 SoC (EXYNOS4212 or EXYNOS4412).
40 config ARM_EXYNOS5250_CPUFREQ
41 def_bool SOC_EXYNOS5250
43 This adds the CPUFreq driver for Samsung EXYNOS5250
46 config ARM_EXYNOS5440_CPUFREQ
47 def_bool SOC_EXYNOS5440
48 depends on HAVE_CLK && PM_OPP && OF
50 This adds the CPUFreq driver for Samsung EXYNOS5440
51 SoC. The nature of exynos5440 clock controller is
52 different than previous exynos controllers so not using
53 the common exynos framework.
55 config ARM_HIGHBANK_CPUFREQ
56 tristate "Calxeda Highbank-based"
57 depends on ARCH_HIGHBANK
59 select GENERIC_CPUFREQ_CPU0
65 This adds the CPUFreq driver for Calxeda Highbank SoC
70 config ARM_IMX6Q_CPUFREQ
71 tristate "Freescale i.MX6Q cpufreq support"
73 depends on REGULATOR_ANATOP
75 This adds cpufreq driver support for Freescale i.MX6Q SOC.
80 tristate "CPUfreq driver for ARM Integrator CPUs"
81 depends on ARCH_INTEGRATOR
84 This enables the CPUfreq driver for ARM Integrator CPUs.
87 config ARM_KIRKWOOD_CPUFREQ
88 def_bool ARCH_KIRKWOOD && OF
90 This adds the CPUFreq driver for Marvell Kirkwood
93 config ARM_OMAP2PLUS_CPUFREQ
95 depends on ARCH_OMAP2PLUS
96 default ARCH_OMAP2PLUS
99 config ARM_S3C_CPUFREQ
102 Internal configuration node for common cpufreq on Samsung SoC
104 config ARM_S3C24XX_CPUFREQ
105 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
106 depends on ARCH_S3C24XX
107 select ARM_S3C_CPUFREQ
109 This enables the CPUfreq driver for the Samsung S3C24XX family
112 For details, take a look at <file:Documentation/cpu-freq>.
116 config ARM_S3C24XX_CPUFREQ_DEBUG
117 bool "Debug CPUfreq Samsung driver core"
118 depends on ARM_S3C24XX_CPUFREQ
120 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
122 config ARM_S3C24XX_CPUFREQ_IODEBUG
123 bool "Debug CPUfreq Samsung driver IO timing"
124 depends on ARM_S3C24XX_CPUFREQ
126 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
128 config ARM_S3C24XX_CPUFREQ_DEBUGFS
129 bool "Export debugfs for CPUFreq"
130 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
132 Export status information via debugfs.
134 config ARM_S3C2410_CPUFREQ
136 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
137 select S3C2410_CPUFREQ_UTILS
139 CPU Frequency scaling support for S3C2410
141 config ARM_S3C2412_CPUFREQ
143 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
145 select S3C2412_IOTIMING
147 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
149 config ARM_S3C2416_CPUFREQ
150 bool "S3C2416 CPU Frequency scaling support"
151 depends on CPU_S3C2416
153 This adds the CPUFreq driver for the Samsung S3C2416 and
154 S3C2450 SoC. The S3C2416 supports changing the rate of the
155 armdiv clock source and also entering a so called dynamic
156 voltage scaling mode in which it is possible to reduce the
157 core voltage of the cpu.
161 config ARM_S3C2416_CPUFREQ_VCORESCALE
162 bool "Allow voltage scaling for S3C2416 arm core"
163 depends on ARM_S3C2416_CPUFREQ && REGULATOR
165 Enable CPU voltage scaling when entering the dvs mode.
166 It uses information gathered through existing hardware and
167 tests but not documented in any datasheet.
171 config ARM_S3C2440_CPUFREQ
172 bool "S3C2440/S3C2442 CPU Frequency scaling support"
173 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
174 select S3C2410_CPUFREQ_UTILS
177 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
179 config ARM_S3C64XX_CPUFREQ
180 bool "Samsung S3C64XX"
181 depends on CPU_S3C6410
184 This adds the CPUFreq driver for Samsung S3C6410 SoC.
188 config ARM_S5PV210_CPUFREQ
189 bool "Samsung S5PV210 and S5PC110"
190 depends on CPU_S5PV210
191 select CPU_FREQ_TABLE
194 This adds the CPUFreq driver for Samsung S5PV210 and
199 config ARM_SA1100_CPUFREQ
202 config ARM_SA1110_CPUFREQ
205 config ARM_SPEAR_CPUFREQ
206 bool "SPEAr CPUFreq support"
207 depends on PLAT_SPEAR
210 This adds the CPUFreq driver support for SPEAr SOCs.