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 depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST) 88 depends on !CPU_THERMAL || THERMAL=y 89 select PM_OPP 90 help 91 This adds the CPUFreq driver support for Mediatek MT8173 SoC. 92 93config ARM_OMAP2PLUS_CPUFREQ 94 bool "TI OMAP2+" 95 depends on ARCH_OMAP2PLUS 96 default ARCH_OMAP2PLUS 97 98config ARM_S3C_CPUFREQ 99 bool 100 help 101 Internal configuration node for common cpufreq on Samsung SoC 102 103config ARM_S3C24XX_CPUFREQ 104 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" 105 depends on ARCH_S3C24XX 106 select ARM_S3C_CPUFREQ 107 help 108 This enables the CPUfreq driver for the Samsung S3C24XX family 109 of CPUs. 110 111 For details, take a look at <file:Documentation/cpu-freq>. 112 113 If in doubt, say N. 114 115config ARM_S3C24XX_CPUFREQ_DEBUG 116 bool "Debug CPUfreq Samsung driver core" 117 depends on ARM_S3C24XX_CPUFREQ 118 help 119 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core 120 121config ARM_S3C24XX_CPUFREQ_IODEBUG 122 bool "Debug CPUfreq Samsung driver IO timing" 123 depends on ARM_S3C24XX_CPUFREQ 124 help 125 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core 126 127config ARM_S3C24XX_CPUFREQ_DEBUGFS 128 bool "Export debugfs for CPUFreq" 129 depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS 130 help 131 Export status information via debugfs. 132 133config ARM_S3C2410_CPUFREQ 134 bool 135 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 136 select S3C2410_CPUFREQ_UTILS 137 help 138 CPU Frequency scaling support for S3C2410 139 140config ARM_S3C2412_CPUFREQ 141 bool 142 depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 143 default y 144 select S3C2412_IOTIMING 145 help 146 CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. 147 148config ARM_S3C2416_CPUFREQ 149 bool "S3C2416 CPU Frequency scaling support" 150 depends on CPU_S3C2416 151 help 152 This adds the CPUFreq driver for the Samsung S3C2416 and 153 S3C2450 SoC. The S3C2416 supports changing the rate of the 154 armdiv clock source and also entering a so called dynamic 155 voltage scaling mode in which it is possible to reduce the 156 core voltage of the CPU. 157 158 If in doubt, say N. 159 160config ARM_S3C2416_CPUFREQ_VCORESCALE 161 bool "Allow voltage scaling for S3C2416 arm core" 162 depends on ARM_S3C2416_CPUFREQ && REGULATOR 163 help 164 Enable CPU voltage scaling when entering the dvs mode. 165 It uses information gathered through existing hardware and 166 tests but not documented in any datasheet. 167 168 If in doubt, say N. 169 170config ARM_S3C2440_CPUFREQ 171 bool "S3C2440/S3C2442 CPU Frequency scaling support" 172 depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) 173 select S3C2410_CPUFREQ_UTILS 174 default y 175 help 176 CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. 177 178config ARM_S3C64XX_CPUFREQ 179 bool "Samsung S3C64XX" 180 depends on CPU_S3C6410 181 default y 182 help 183 This adds the CPUFreq driver for Samsung S3C6410 SoC. 184 185 If in doubt, say N. 186 187config ARM_S5PV210_CPUFREQ 188 bool "Samsung S5PV210 and S5PC110" 189 depends on CPU_S5PV210 190 default y 191 help 192 This adds the CPUFreq driver for Samsung S5PV210 and 193 S5PC110 SoCs. 194 195 If in doubt, say N. 196 197config ARM_SA1100_CPUFREQ 198 bool 199 200config ARM_SA1110_CPUFREQ 201 bool 202 203config ARM_SPEAR_CPUFREQ 204 bool "SPEAr CPUFreq support" 205 depends on PLAT_SPEAR 206 default y 207 help 208 This adds the CPUFreq driver support for SPEAr SOCs. 209 210config ARM_TEGRA20_CPUFREQ 211 bool "Tegra20 CPUFreq support" 212 depends on ARCH_TEGRA 213 default y 214 help 215 This adds the CPUFreq driver support for Tegra20 SOCs. 216 217config ARM_TEGRA124_CPUFREQ 218 tristate "Tegra124 CPUFreq support" 219 depends on ARCH_TEGRA && CPUFREQ_DT 220 default y 221 help 222 This adds the CPUFreq driver support for Tegra124 SOCs. 223 224config ARM_PXA2xx_CPUFREQ 225 tristate "Intel PXA2xx CPUfreq driver" 226 depends on PXA27x || PXA25x 227 help 228 This add the CPUFreq driver support for Intel PXA2xx SOCs. 229 230 If in doubt, say N. 231