projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f7d77079 KK |
1 | # |
| 2 | # ARM CPU Frequency scaling drivers | |
| 3 | # | |
| 4 | ||
| 3b84d58d | 5 | # big LITTLE core layer and glue drivers |
| 8a67f0ef | 6 | config ARM_BIG_LITTLE_CPUFREQ |
| 99af7711 | 7 | tristate "Generic ARM big LITTLE CPUfreq driver" |
| 14730145 | 8 | depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK |
| 109df086 | 9 | select PM_OPP |
| 99af7711 VK |
10 | help |
| 11 | This enables the Generic CPUfreq driver for ARM big.LITTLE platforms. | |
| 8a67f0ef VK |
12 | |
| 13 | config ARM_DT_BL_CPUFREQ | |
| 99af7711 VK |
14 | tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" |
| 15 | depends on ARM_BIG_LITTLE_CPUFREQ && OF | |
| 8a67f0ef | 16 | help |
| 99af7711 VK |
17 | This enables probing via DT for Generic CPUfreq driver for ARM |
| 18 | big.LITTLE platform. This gets frequency tables from DT. | |
| 8a67f0ef | 19 | |
| 3b84d58d | 20 | config 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 | ||
| 8b2b4a4e AB |
27 | config 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 | ||
| a0ea048a VK |
41 | config ARM_HIGHBANK_CPUFREQ |
| 42 | tristate "Calxeda Highbank-based" | |
| bbcf0719 | 43 | depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR |
| a0ea048a VK |
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 | ||
| 5acb972f LY |
51 | config 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 | ||
| a0ea048a | 60 | config ARM_IMX6Q_CPUFREQ |
| 1d0eaae9 SG |
61 | tristate "Freescale i.MX6 cpufreq support" |
| 62 | depends on ARCH_MXC | |
| a0ea048a | 63 | depends on REGULATOR_ANATOP |
| 7e021687 | 64 | select PM_OPP |
| a0ea048a | 65 | help |
| 1d0eaae9 | 66 | This adds cpufreq driver support for Freescale i.MX6 series SoCs. |
| a0ea048a VK |
67 | |
| 68 | If in doubt, say N. | |
| 69 | ||
| b7e614c8 VK |
70 | config 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 | ||
| a0ea048a | 78 | config ARM_KIRKWOOD_CPUFREQ |
| 6c8df11d | 79 | def_bool MACH_KIRKWOOD |
| a0ea048a VK |
80 | help |
| 81 | This adds the CPUFreq driver for Marvell Kirkwood | |
| 82 | SoCs. | |
| 83 | ||
| 1453863f PCC |
84 | config ARM_MT8173_CPUFREQ |
| 85 | bool "Mediatek MT8173 CPUFreq support" | |
| 86 | depends on ARCH_MEDIATEK && REGULATOR | |
| 2d4ee303 | 87 | depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST) |
| 5269e706 | 88 | depends on !CPU_THERMAL || THERMAL=y |
| 1453863f PCC |
89 | select PM_OPP |
| 90 | help | |
| 91 | This adds the CPUFreq driver support for Mediatek MT8173 SoC. | |
| 92 | ||
| b09db45c RK |
93 | config ARM_OMAP2PLUS_CPUFREQ |
| 94 | bool "TI OMAP2+" | |
| 2d59dcfb | 95 | depends on ARCH_OMAP2PLUS |
| b09db45c | 96 | default ARCH_OMAP2PLUS |
| b09db45c | 97 | |
| f023f8dd VK |
98 | config ARM_S3C_CPUFREQ |
| 99 | bool | |
| 100 | help | |
| 101 | Internal configuration node for common cpufreq on Samsung SoC | |
| 102 | ||
| 103 | config 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 | ||
| 115 | config 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 | ||
| 121 | config 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 | ||
| 127 | config 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 | ||
| 133 | config 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 | ||
| 140 | config 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 | ||
| 34ee5507 HS |
148 | config 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 | |
| 735dc249 | 156 | core voltage of the CPU. |
| 34ee5507 HS |
157 | |
| 158 | If in doubt, say N. | |
| 159 | ||
| 160 | config ARM_S3C2416_CPUFREQ_VCORESCALE | |
| 0f194b56 KC |
161 | bool "Allow voltage scaling for S3C2416 arm core" |
| 162 | depends on ARM_S3C2416_CPUFREQ && REGULATOR | |
| 34ee5507 HS |
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 | ||
| f023f8dd VK |
170 | config 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 | ||
| 15964d38 KK |
178 | config 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 | ||
| f7d77079 KK |
187 | config 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 | ||
| 59a2e613 VK |
197 | config ARM_SA1100_CPUFREQ |
| 198 | bool | |
| 199 | ||
| 200 | config ARM_SA1110_CPUFREQ | |
| 201 | bool | |
| 202 | ||
| 8def3103 SH |
203 | config ARM_SCPI_CPUFREQ |
| 204 | tristate "SCPI based CPUfreq driver" | |
| 205 | depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL | |
| 206 | help | |
| 207 | This adds the CPUfreq driver support for ARM big.LITTLE platforms | |
| 208 | using SCPI protocol for CPU power management. | |
| 209 | ||
| 210 | This driver uses SCPI Message Protocol driver to interact with the | |
| 211 | firmware providing the CPU DVFS functionality. | |
| 212 | ||
| 42099322 DS |
213 | config ARM_SPEAR_CPUFREQ |
| 214 | bool "SPEAr CPUFreq support" | |
| 215 | depends on PLAT_SPEAR | |
| 216 | default y | |
| 217 | help | |
| 218 | This adds the CPUFreq driver support for SPEAr SOCs. | |
| dbb8d76e | 219 | |
| 109e13ea TT |
220 | config ARM_TEGRA20_CPUFREQ |
| 221 | bool "Tegra20 CPUFreq support" | |
| dbb8d76e | 222 | depends on ARCH_TEGRA |
| dbb8d76e VK |
223 | default y |
| 224 | help | |
| 109e13ea | 225 | This adds the CPUFreq driver support for Tegra20 SOCs. |
| 608eab22 | 226 | |
| 9eb15dbb TT |
227 | config ARM_TEGRA124_CPUFREQ |
| 228 | tristate "Tegra124 CPUFreq support" | |
| 229 | depends on ARCH_TEGRA && CPUFREQ_DT | |
| 230 | default y | |
| 231 | help | |
| 232 | This adds the CPUFreq driver support for Tegra124 SOCs. | |
| 233 | ||
| 608eab22 PC |
234 | config ARM_PXA2xx_CPUFREQ |
| 235 | tristate "Intel PXA2xx CPUfreq driver" | |
| 236 | depends on PXA27x || PXA25x | |
| 237 | help | |
| 238 | This add the CPUFreq driver support for Intel PXA2xx SOCs. | |
| 239 | ||
| 240 | If in doubt, say N. | |
| 5477fb3b AC |
241 | |
| 242 | config ACPI_CPPC_CPUFREQ | |
| 243 | tristate "CPUFreq driver based on the ACPI CPPC spec" | |
| 244 | depends on ACPI | |
| 245 | select ACPI_CPPC_LIB | |
| 246 | default n | |
| 247 | help | |
| 248 | This adds a CPUFreq driver which uses CPPC methods | |
| 249 | as described in the ACPIv5.1 spec. CPPC stands for | |
| 250 | Collaborative Processor Performance Controls. It | |
| 251 | is based on an abstract continuous scale of CPU | |
| 252 | performance values which allows the remote power | |
| 253 | processor to flexibly optimize for power and | |
| 254 | performance. CPPC relies on power management firmware | |
| 255 | support for its operation. | |
| 256 | ||
| 257 | If in doubt, say N. |