2 # ARM CPU Frequency scaling drivers
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
11 This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
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
17 This enables probing via DT for Generic CPUfreq driver for ARM
18 big.LITTLE platform. This gets frequency tables from DT.
20 config ARM_VEXPRESS_SPC_CPUFREQ
21 tristate "Versatile Express SPC based CPUfreq driver"
22 depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
24 This add the CPUfreq driver support for Versatile Express
25 big.LITTLE platforms using SPC for power management.
27 config ARM_EXYNOS5440_CPUFREQ
28 tristate "SAMSUNG EXYNOS5440"
29 depends on SOC_EXYNOS5440
30 depends on HAVE_CLK && OF
34 This adds the CPUFreq driver for Samsung EXYNOS5440
35 SoC. The nature of exynos5440 clock controller is
36 different than previous exynos controllers so not using
37 the common exynos framework.
41 config ARM_HIGHBANK_CPUFREQ
42 tristate "Calxeda Highbank-based"
43 depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
46 This adds the CPUFreq driver for Calxeda Highbank SoC
51 config ARM_HISI_ACPU_CPUFREQ
52 tristate "Hisilicon ACPU CPUfreq driver"
53 depends on ARCH_HISI && CPUFREQ_DT
56 This enables the hisilicon ACPU CPUfreq driver.
60 config ARM_IMX6Q_CPUFREQ
61 tristate "Freescale i.MX6 cpufreq support"
63 depends on REGULATOR_ANATOP
66 This adds cpufreq driver support for Freescale i.MX6 series SoCs.
71 tristate "CPUfreq driver for ARM Integrator CPUs"
72 depends on ARCH_INTEGRATOR
75 This enables the CPUfreq driver for ARM Integrator CPUs.
78 config ARM_KIRKWOOD_CPUFREQ
79 def_bool MACH_KIRKWOOD
81 This adds the CPUFreq driver for Marvell Kirkwood
84 config ARM_OMAP2PLUS_CPUFREQ
86 depends on ARCH_OMAP2PLUS
87 default ARCH_OMAP2PLUS
89 config ARM_S3C_CPUFREQ
92 Internal configuration node for common cpufreq on Samsung SoC
94 config ARM_S3C24XX_CPUFREQ
95 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
96 depends on ARCH_S3C24XX
97 select ARM_S3C_CPUFREQ
99 This enables the CPUfreq driver for the Samsung S3C24XX family
102 For details, take a look at <file:Documentation/cpu-freq>.
106 config ARM_S3C24XX_CPUFREQ_DEBUG
107 bool "Debug CPUfreq Samsung driver core"
108 depends on ARM_S3C24XX_CPUFREQ
110 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
112 config ARM_S3C24XX_CPUFREQ_IODEBUG
113 bool "Debug CPUfreq Samsung driver IO timing"
114 depends on ARM_S3C24XX_CPUFREQ
116 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
118 config ARM_S3C24XX_CPUFREQ_DEBUGFS
119 bool "Export debugfs for CPUFreq"
120 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
122 Export status information via debugfs.
124 config ARM_S3C2410_CPUFREQ
126 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
127 select S3C2410_CPUFREQ_UTILS
129 CPU Frequency scaling support for S3C2410
131 config ARM_S3C2412_CPUFREQ
133 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
135 select S3C2412_IOTIMING
137 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
139 config ARM_S3C2416_CPUFREQ
140 bool "S3C2416 CPU Frequency scaling support"
141 depends on CPU_S3C2416
143 This adds the CPUFreq driver for the Samsung S3C2416 and
144 S3C2450 SoC. The S3C2416 supports changing the rate of the
145 armdiv clock source and also entering a so called dynamic
146 voltage scaling mode in which it is possible to reduce the
147 core voltage of the CPU.
151 config ARM_S3C2416_CPUFREQ_VCORESCALE
152 bool "Allow voltage scaling for S3C2416 arm core"
153 depends on ARM_S3C2416_CPUFREQ && REGULATOR
155 Enable CPU voltage scaling when entering the dvs mode.
156 It uses information gathered through existing hardware and
157 tests but not documented in any datasheet.
161 config ARM_S3C2440_CPUFREQ
162 bool "S3C2440/S3C2442 CPU Frequency scaling support"
163 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
164 select S3C2410_CPUFREQ_UTILS
167 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
169 config ARM_S3C64XX_CPUFREQ
170 bool "Samsung S3C64XX"
171 depends on CPU_S3C6410
174 This adds the CPUFreq driver for Samsung S3C6410 SoC.
178 config ARM_S5PV210_CPUFREQ
179 bool "Samsung S5PV210 and S5PC110"
180 depends on CPU_S5PV210
183 This adds the CPUFreq driver for Samsung S5PV210 and
188 config ARM_SA1100_CPUFREQ
191 config ARM_SA1110_CPUFREQ
194 config ARM_SPEAR_CPUFREQ
195 bool "SPEAr CPUFreq support"
196 depends on PLAT_SPEAR
199 This adds the CPUFreq driver support for SPEAr SOCs.
201 config ARM_TEGRA_CPUFREQ
202 bool "TEGRA CPUFreq support"
203 depends on ARCH_TEGRA
206 This adds the CPUFreq driver support for TEGRA SOCs.
208 config ARM_PXA2xx_CPUFREQ
209 tristate "Intel PXA2xx CPUfreq driver"
210 depends on PXA27x || PXA25x
212 This add the CPUFreq driver support for Intel PXA2xx SOCs.