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_MT8173_CPUFREQ
85 bool "Mediatek MT8173 CPUFreq support"
86 depends on ARCH_MEDIATEK && REGULATOR
89 This adds the CPUFreq driver support for Mediatek MT8173 SoC.
91 config ARM_OMAP2PLUS_CPUFREQ
93 depends on ARCH_OMAP2PLUS
94 default ARCH_OMAP2PLUS
96 config ARM_S3C_CPUFREQ
99 Internal configuration node for common cpufreq on Samsung SoC
101 config ARM_S3C24XX_CPUFREQ
102 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
103 depends on ARCH_S3C24XX
104 select ARM_S3C_CPUFREQ
106 This enables the CPUfreq driver for the Samsung S3C24XX family
109 For details, take a look at <file:Documentation/cpu-freq>.
113 config ARM_S3C24XX_CPUFREQ_DEBUG
114 bool "Debug CPUfreq Samsung driver core"
115 depends on ARM_S3C24XX_CPUFREQ
117 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
119 config ARM_S3C24XX_CPUFREQ_IODEBUG
120 bool "Debug CPUfreq Samsung driver IO timing"
121 depends on ARM_S3C24XX_CPUFREQ
123 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
125 config ARM_S3C24XX_CPUFREQ_DEBUGFS
126 bool "Export debugfs for CPUFreq"
127 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
129 Export status information via debugfs.
131 config ARM_S3C2410_CPUFREQ
133 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
134 select S3C2410_CPUFREQ_UTILS
136 CPU Frequency scaling support for S3C2410
138 config ARM_S3C2412_CPUFREQ
140 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
142 select S3C2412_IOTIMING
144 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
146 config ARM_S3C2416_CPUFREQ
147 bool "S3C2416 CPU Frequency scaling support"
148 depends on CPU_S3C2416
150 This adds the CPUFreq driver for the Samsung S3C2416 and
151 S3C2450 SoC. The S3C2416 supports changing the rate of the
152 armdiv clock source and also entering a so called dynamic
153 voltage scaling mode in which it is possible to reduce the
154 core voltage of the CPU.
158 config ARM_S3C2416_CPUFREQ_VCORESCALE
159 bool "Allow voltage scaling for S3C2416 arm core"
160 depends on ARM_S3C2416_CPUFREQ && REGULATOR
162 Enable CPU voltage scaling when entering the dvs mode.
163 It uses information gathered through existing hardware and
164 tests but not documented in any datasheet.
168 config ARM_S3C2440_CPUFREQ
169 bool "S3C2440/S3C2442 CPU Frequency scaling support"
170 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
171 select S3C2410_CPUFREQ_UTILS
174 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
176 config ARM_S3C64XX_CPUFREQ
177 bool "Samsung S3C64XX"
178 depends on CPU_S3C6410
181 This adds the CPUFreq driver for Samsung S3C6410 SoC.
185 config ARM_S5PV210_CPUFREQ
186 bool "Samsung S5PV210 and S5PC110"
187 depends on CPU_S5PV210
190 This adds the CPUFreq driver for Samsung S5PV210 and
195 config ARM_SA1100_CPUFREQ
198 config ARM_SA1110_CPUFREQ
201 config ARM_SPEAR_CPUFREQ
202 bool "SPEAr CPUFreq support"
203 depends on PLAT_SPEAR
206 This adds the CPUFreq driver support for SPEAr SOCs.
208 config ARM_TEGRA20_CPUFREQ
209 bool "Tegra20 CPUFreq support"
210 depends on ARCH_TEGRA
213 This adds the CPUFreq driver support for Tegra20 SOCs.
215 config ARM_TEGRA124_CPUFREQ
216 tristate "Tegra124 CPUFreq support"
217 depends on ARCH_TEGRA && CPUFREQ_DT
220 This adds the CPUFreq driver support for Tegra124 SOCs.
222 config ARM_PXA2xx_CPUFREQ
223 tristate "Intel PXA2xx CPUfreq driver"
224 depends on PXA27x || PXA25x
226 This add the CPUFreq driver support for Intel PXA2xx SOCs.