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 depends on !CPU_THERMAL || THERMAL=y 137 select PM_OPP 138 help 139 This adds the CPUFreq driver support for Mediatek MT8173 SoC. 140 141config ARM_OMAP2PLUS_CPUFREQ 142 bool "TI OMAP2+" 143 depends on ARCH_OMAP2PLUS 144 default ARCH_OMAP2PLUS 145 146config ARM_S3C_CPUFREQ 147 bool 148 help 149 Internal configuration node for common cpufreq on Samsung SoC 150 151config ARM_S3C24XX_CPUFREQ 152 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" 153 depends on ARCH_S3C24XX 154 select ARM_S3C_CPUFREQ 155 help 156 This enables the CPUfreq driver for the Samsung S3C24XX family 157 of CPUs. 158 159 For details, take a look at <file:Documentation/cpu-freq>. 160 161 If in doubt, say N. 162 163config ARM_S3C24XX_CPUFREQ_DEBUG 164 bool "Debug CPUfreq Samsung driver core" 165 depends on ARM_S3C24XX_CPUFREQ 166 help 167 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core 168 169config ARM_S3C24XX_CPUFREQ_IODEBUG 170 bool "Debug CPUfreq Samsung driver IO timing" 171 depends on ARM_S3C24XX_CPUFREQ 172 help 173 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core 174 175config ARM_S3C24XX_CPUFREQ_DEBUGFS 176 bool "Export debugfs for CPUFreq" 177 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS 178 help 179 Export status information via debugfs. 180 181config ARM_S3C2410_CPUFREQ 182 bool 183 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 184 select S3C2410_CPUFREQ_UTILS 185 help 186 CPU Frequency scaling support for S3C2410 187 188config ARM_S3C2412_CPUFREQ 189 bool 190 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 191 default y 192 select S3C2412_IOTIMING 193 help 194 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. 195 196config ARM_S3C2416_CPUFREQ 197 bool "S3C2416 CPU Frequency scaling support" 198 depends on CPU_S3C2416 199 help 200 This adds the CPUFreq driver for the Samsung S3C2416 and 201 S3C2450 SoC. The S3C2416 supports changing the rate of the 202 armdiv clock source and also entering a so called dynamic 203 voltage scaling mode in which it is possible to reduce the 204 core voltage of the CPU. 205 206 If in doubt, say N. 207 208config ARM_S3C2416_CPUFREQ_VCORESCALE 209 bool "Allow voltage scaling for S3C2416 arm core" 210 depends on ARM_S3C2416_CPUFREQ && REGULATOR 211 help 212 Enable CPU voltage scaling when entering the dvs mode. 213 It uses information gathered through existing hardware and 214 tests but not documented in any datasheet. 215 216 If in doubt, say N. 217 218config ARM_S3C2440_CPUFREQ 219 bool "S3C2440/S3C2442 CPU Frequency scaling support" 220 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) 221 select S3C2410_CPUFREQ_UTILS 222 default y 223 help 224 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. 225 226config ARM_S3C64XX_CPUFREQ 227 bool "Samsung S3C64XX" 228 depends on CPU_S3C6410 229 default y 230 help 231 This adds the CPUFreq driver for Samsung S3C6410 SoC. 232 233 If in doubt, say N. 234 235config ARM_S5PV210_CPUFREQ 236 bool "Samsung S5PV210 and S5PC110" 237 depends on CPU_S5PV210 238 default y 239 help 240 This adds the CPUFreq driver for Samsung S5PV210 and 241 S5PC110 SoCs. 242 243 If in doubt, say N. 244 245config ARM_SA1100_CPUFREQ 246 bool 247 248config ARM_SA1110_CPUFREQ 249 bool 250 251config ARM_SPEAR_CPUFREQ 252 bool "SPEAr CPUFreq support" 253 depends on PLAT_SPEAR 254 default y 255 help 256 This adds the CPUFreq driver support for SPEAr SOCs. 257 258config ARM_TEGRA20_CPUFREQ 259 bool "Tegra20 CPUFreq support" 260 depends on ARCH_TEGRA 261 default y 262 help 263 This adds the CPUFreq driver support for Tegra20 SOCs. 264 265config ARM_TEGRA124_CPUFREQ 266 tristate "Tegra124 CPUFreq support" 267 depends on ARCH_TEGRA && CPUFREQ_DT 268 default y 269 help 270 This adds the CPUFreq driver support for Tegra124 SOCs. 271 272config ARM_PXA2xx_CPUFREQ 273 tristate "Intel PXA2xx CPUfreq driver" 274 depends on PXA27x || PXA25x 275 help 276 This add the CPUFreq driver support for Intel PXA2xx SOCs. 277 278 If in doubt, say N. 279