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_OMAP2PLUS_CPUFREQ 85 bool "TI OMAP2+" 86 depends on ARCH_OMAP2PLUS 87 default ARCH_OMAP2PLUS 88 89config ARM_S3C_CPUFREQ 90 bool 91 help 92 Internal configuration node for common cpufreq on Samsung SoC 93 94config ARM_S3C24XX_CPUFREQ 95 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" 96 depends on ARCH_S3C24XX 97 select ARM_S3C_CPUFREQ 98 help 99 This enables the CPUfreq driver for the Samsung S3C24XX family 100 of CPUs. 101 102 For details, take a look at <file:Documentation/cpu-freq>. 103 104 If in doubt, say N. 105 106config ARM_S3C24XX_CPUFREQ_DEBUG 107 bool "Debug CPUfreq Samsung driver core" 108 depends on ARM_S3C24XX_CPUFREQ 109 help 110 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core 111 112config ARM_S3C24XX_CPUFREQ_IODEBUG 113 bool "Debug CPUfreq Samsung driver IO timing" 114 depends on ARM_S3C24XX_CPUFREQ 115 help 116 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core 117 118config ARM_S3C24XX_CPUFREQ_DEBUGFS 119 bool "Export debugfs for CPUFreq" 120 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS 121 help 122 Export status information via debugfs. 123 124config ARM_S3C2410_CPUFREQ 125 bool 126 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 127 select S3C2410_CPUFREQ_UTILS 128 help 129 CPU Frequency scaling support for S3C2410 130 131config ARM_S3C2412_CPUFREQ 132 bool 133 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 134 default y 135 select S3C2412_IOTIMING 136 help 137 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. 138 139config ARM_S3C2416_CPUFREQ 140 bool "S3C2416 CPU Frequency scaling support" 141 depends on CPU_S3C2416 142 help 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. 148 149 If in doubt, say N. 150 151config ARM_S3C2416_CPUFREQ_VCORESCALE 152 bool "Allow voltage scaling for S3C2416 arm core" 153 depends on ARM_S3C2416_CPUFREQ && REGULATOR 154 help 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. 158 159 If in doubt, say N. 160 161config 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 165 default y 166 help 167 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. 168 169config ARM_S3C64XX_CPUFREQ 170 bool "Samsung S3C64XX" 171 depends on CPU_S3C6410 172 default y 173 help 174 This adds the CPUFreq driver for Samsung S3C6410 SoC. 175 176 If in doubt, say N. 177 178config ARM_S5PV210_CPUFREQ 179 bool "Samsung S5PV210 and S5PC110" 180 depends on CPU_S5PV210 181 default y 182 help 183 This adds the CPUFreq driver for Samsung S5PV210 and 184 S5PC110 SoCs. 185 186 If in doubt, say N. 187 188config ARM_SA1100_CPUFREQ 189 bool 190 191config ARM_SA1110_CPUFREQ 192 bool 193 194config ARM_SPEAR_CPUFREQ 195 bool "SPEAr CPUFreq support" 196 depends on PLAT_SPEAR 197 default y 198 help 199 This adds the CPUFreq driver support for SPEAr SOCs. 200 201config ARM_TEGRA_CPUFREQ 202 bool "TEGRA CPUFreq support" 203 depends on ARCH_TEGRA 204 default y 205 help 206 This adds the CPUFreq driver support for TEGRA SOCs. 207 208config ARM_PXA2xx_CPUFREQ 209 tristate "Intel PXA2xx CPUfreq driver" 210 depends on PXA27x || PXA25x 211 help 212 This add the CPUFreq driver support for Intel PXA2xx SOCs. 213 214 If in doubt, say N. 215