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 27config ARM_EXYNOS5440_CPUFREQ 28 tristate "SAMSUNG EXYNOS5440" 29 depends on SOC_EXYNOS5440 30 depends on HAVE_CLK && OF 31 select PM_OPP 32 default y 33 help 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. 38 39 If in doubt, say N. 40 41config ARM_HIGHBANK_CPUFREQ 42 tristate "Calxeda Highbank-based" 43 depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR 44 default m 45 help 46 This adds the CPUFreq driver for Calxeda Highbank SoC 47 based boards. 48 49 If in doubt, say N. 50 51config ARM_HISI_ACPU_CPUFREQ 52 tristate "Hisilicon ACPU CPUfreq driver" 53 depends on ARCH_HISI && CPUFREQ_DT 54 select PM_OPP 55 help 56 This enables the hisilicon ACPU CPUfreq driver. 57 58 If in doubt, say N. 59 60config ARM_IMX6Q_CPUFREQ 61 tristate "Freescale i.MX6 cpufreq support" 62 depends on ARCH_MXC 63 depends on REGULATOR_ANATOP 64 select PM_OPP 65 help 66 This adds cpufreq driver support for Freescale i.MX6 series SoCs. 67 68 If in doubt, say N. 69 70config ARM_INTEGRATOR 71 tristate "CPUfreq driver for ARM Integrator CPUs" 72 depends on ARCH_INTEGRATOR 73 default y 74 help 75 This enables the CPUfreq driver for ARM Integrator CPUs. 76 If in doubt, say Y. 77 78config ARM_KIRKWOOD_CPUFREQ 79 def_bool MACH_KIRKWOOD 80 help 81 This adds the CPUFreq driver for Marvell Kirkwood 82 SoCs. 83 84config ARM_MT8173_CPUFREQ 85 bool "Mediatek MT8173 CPUFreq support" 86 depends on ARCH_MEDIATEK && REGULATOR 87 select PM_OPP 88 help 89 This adds the CPUFreq driver support for Mediatek MT8173 SoC. 90 91config ARM_OMAP2PLUS_CPUFREQ 92 bool "TI OMAP2+" 93 depends on ARCH_OMAP2PLUS 94 default ARCH_OMAP2PLUS 95 96config ARM_S3C_CPUFREQ 97 bool 98 help 99 Internal configuration node for common cpufreq on Samsung SoC 100 101config ARM_S3C24XX_CPUFREQ 102 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" 103 depends on ARCH_S3C24XX 104 select ARM_S3C_CPUFREQ 105 help 106 This enables the CPUfreq driver for the Samsung S3C24XX family 107 of CPUs. 108 109 For details, take a look at <file:Documentation/cpu-freq>. 110 111 If in doubt, say N. 112 113config ARM_S3C24XX_CPUFREQ_DEBUG 114 bool "Debug CPUfreq Samsung driver core" 115 depends on ARM_S3C24XX_CPUFREQ 116 help 117 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core 118 119config ARM_S3C24XX_CPUFREQ_IODEBUG 120 bool "Debug CPUfreq Samsung driver IO timing" 121 depends on ARM_S3C24XX_CPUFREQ 122 help 123 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core 124 125config ARM_S3C24XX_CPUFREQ_DEBUGFS 126 bool "Export debugfs for CPUFreq" 127 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS 128 help 129 Export status information via debugfs. 130 131config ARM_S3C2410_CPUFREQ 132 bool 133 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 134 select S3C2410_CPUFREQ_UTILS 135 help 136 CPU Frequency scaling support for S3C2410 137 138config ARM_S3C2412_CPUFREQ 139 bool 140 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 141 default y 142 select S3C2412_IOTIMING 143 help 144 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. 145 146config ARM_S3C2416_CPUFREQ 147 bool "S3C2416 CPU Frequency scaling support" 148 depends on CPU_S3C2416 149 help 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. 155 156 If in doubt, say N. 157 158config ARM_S3C2416_CPUFREQ_VCORESCALE 159 bool "Allow voltage scaling for S3C2416 arm core" 160 depends on ARM_S3C2416_CPUFREQ && REGULATOR 161 help 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. 165 166 If in doubt, say N. 167 168config 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 172 default y 173 help 174 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. 175 176config ARM_S3C64XX_CPUFREQ 177 bool "Samsung S3C64XX" 178 depends on CPU_S3C6410 179 default y 180 help 181 This adds the CPUFreq driver for Samsung S3C6410 SoC. 182 183 If in doubt, say N. 184 185config ARM_S5PV210_CPUFREQ 186 bool "Samsung S5PV210 and S5PC110" 187 depends on CPU_S5PV210 188 default y 189 help 190 This adds the CPUFreq driver for Samsung S5PV210 and 191 S5PC110 SoCs. 192 193 If in doubt, say N. 194 195config ARM_SA1100_CPUFREQ 196 bool 197 198config ARM_SA1110_CPUFREQ 199 bool 200 201config ARM_SPEAR_CPUFREQ 202 bool "SPEAr CPUFreq support" 203 depends on PLAT_SPEAR 204 default y 205 help 206 This adds the CPUFreq driver support for SPEAr SOCs. 207 208config ARM_TEGRA20_CPUFREQ 209 bool "Tegra20 CPUFreq support" 210 depends on ARCH_TEGRA 211 default y 212 help 213 This adds the CPUFreq driver support for Tegra20 SOCs. 214 215config ARM_TEGRA124_CPUFREQ 216 tristate "Tegra124 CPUFreq support" 217 depends on ARCH_TEGRA && CPUFREQ_DT 218 default y 219 help 220 This adds the CPUFreq driver support for Tegra124 SOCs. 221 222config ARM_PXA2xx_CPUFREQ 223 tristate "Intel PXA2xx CPUfreq driver" 224 depends on PXA27x || PXA25x 225 help 226 This add the CPUFreq driver support for Intel PXA2xx SOCs. 227 228 If in doubt, say N. 229