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_CPU_TOPOLOGY || ARM64) && 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 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 39config 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 50config 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 61config 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 76config 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 90config 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 100config 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 109config 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 119config 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 127config ARM_KIRKWOOD_CPUFREQ 128 def_bool MACH_KIRKWOOD 129 help 130 This adds the CPUFreq driver for Marvell Kirkwood 131 SoCs. 132 133config ARM_MT8173_CPUFREQ 134 bool "Mediatek MT8173 CPUFreq support" 135 depends on ARCH_MEDIATEK && REGULATOR 136 select PM_OPP 137 help 138 This adds the CPUFreq driver support for Mediatek MT8173 SoC. 139 140config ARM_OMAP2PLUS_CPUFREQ 141 bool "TI OMAP2+" 142 depends on ARCH_OMAP2PLUS 143 default ARCH_OMAP2PLUS 144 145config ARM_S3C_CPUFREQ 146 bool 147 help 148 Internal configuration node for common cpufreq on Samsung SoC 149 150config ARM_S3C24XX_CPUFREQ 151 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" 152 depends on ARCH_S3C24XX 153 select ARM_S3C_CPUFREQ 154 help 155 This enables the CPUfreq driver for the Samsung S3C24XX family 156 of CPUs. 157 158 For details, take a look at <file:Documentation/cpu-freq>. 159 160 If in doubt, say N. 161 162config ARM_S3C24XX_CPUFREQ_DEBUG 163 bool "Debug CPUfreq Samsung driver core" 164 depends on ARM_S3C24XX_CPUFREQ 165 help 166 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core 167 168config ARM_S3C24XX_CPUFREQ_IODEBUG 169 bool "Debug CPUfreq Samsung driver IO timing" 170 depends on ARM_S3C24XX_CPUFREQ 171 help 172 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core 173 174config ARM_S3C24XX_CPUFREQ_DEBUGFS 175 bool "Export debugfs for CPUFreq" 176 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS 177 help 178 Export status information via debugfs. 179 180config ARM_S3C2410_CPUFREQ 181 bool 182 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 183 select S3C2410_CPUFREQ_UTILS 184 help 185 CPU Frequency scaling support for S3C2410 186 187config ARM_S3C2412_CPUFREQ 188 bool 189 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 190 default y 191 select S3C2412_IOTIMING 192 help 193 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. 194 195config ARM_S3C2416_CPUFREQ 196 bool "S3C2416 CPU Frequency scaling support" 197 depends on CPU_S3C2416 198 help 199 This adds the CPUFreq driver for the Samsung S3C2416 and 200 S3C2450 SoC. The S3C2416 supports changing the rate of the 201 armdiv clock source and also entering a so called dynamic 202 voltage scaling mode in which it is possible to reduce the 203 core voltage of the CPU. 204 205 If in doubt, say N. 206 207config ARM_S3C2416_CPUFREQ_VCORESCALE 208 bool "Allow voltage scaling for S3C2416 arm core" 209 depends on ARM_S3C2416_CPUFREQ && REGULATOR 210 help 211 Enable CPU voltage scaling when entering the dvs mode. 212 It uses information gathered through existing hardware and 213 tests but not documented in any datasheet. 214 215 If in doubt, say N. 216 217config ARM_S3C2440_CPUFREQ 218 bool "S3C2440/S3C2442 CPU Frequency scaling support" 219 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) 220 select S3C2410_CPUFREQ_UTILS 221 default y 222 help 223 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. 224 225config ARM_S3C64XX_CPUFREQ 226 bool "Samsung S3C64XX" 227 depends on CPU_S3C6410 228 default y 229 help 230 This adds the CPUFreq driver for Samsung S3C6410 SoC. 231 232 If in doubt, say N. 233 234config ARM_S5PV210_CPUFREQ 235 bool "Samsung S5PV210 and S5PC110" 236 depends on CPU_S5PV210 237 default y 238 help 239 This adds the CPUFreq driver for Samsung S5PV210 and 240 S5PC110 SoCs. 241 242 If in doubt, say N. 243 244config ARM_SA1100_CPUFREQ 245 bool 246 247config ARM_SA1110_CPUFREQ 248 bool 249 250config ARM_SPEAR_CPUFREQ 251 bool "SPEAr CPUFreq support" 252 depends on PLAT_SPEAR 253 default y 254 help 255 This adds the CPUFreq driver support for SPEAr SOCs. 256 257config ARM_TEGRA_CPUFREQ 258 bool "TEGRA CPUFreq support" 259 depends on ARCH_TEGRA 260 default y 261 help 262 This adds the CPUFreq driver support for TEGRA SOCs. 263 264config ARM_PXA2xx_CPUFREQ 265 tristate "Intel PXA2xx CPUfreq driver" 266 depends on PXA27x || PXA25x 267 help 268 This add the CPUFreq driver support for Intel PXA2xx SOCs. 269 270 If in doubt, say N. 271