| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | # |
| 2 | # ARM CPU Frequency scaling drivers |
| 3 | # |
| 4 | |
| 5 | config ACPI_CPPC_CPUFREQ |
| 6 | tristate "CPUFreq driver based on the ACPI CPPC spec" |
| 7 | depends on ACPI_PROCESSOR |
| 8 | select ACPI_CPPC_LIB |
| 9 | help |
| 10 | This adds a CPUFreq driver which uses CPPC methods |
| 11 | as described in the ACPIv5.1 spec. CPPC stands for |
| 12 | Collaborative Processor Performance Controls. It |
| 13 | is based on an abstract continuous scale of CPU |
| 14 | performance values which allows the remote power |
| 15 | processor to flexibly optimize for power and |
| 16 | performance. CPPC relies on power management firmware |
| 17 | support for its operation. |
| 18 | |
| 19 | If in doubt, say N. |
| 20 | |
| 21 | config ARM_ARMADA_37XX_CPUFREQ |
| 22 | tristate "Armada 37xx CPUFreq support" |
| 23 | depends on ARCH_MVEBU && CPUFREQ_DT |
| 24 | help |
| 25 | This adds the CPUFreq driver support for Marvell Armada 37xx SoCs. |
| 26 | The Armada 37xx PMU supports 4 frequency and VDD levels. |
| 27 | |
| 28 | # big LITTLE core layer and glue drivers |
| 29 | config ARM_BIG_LITTLE_CPUFREQ |
| 30 | tristate "Generic ARM big LITTLE CPUfreq driver" |
| 31 | depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK |
| 32 | # if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y |
| 33 | depends on !CPU_THERMAL || THERMAL |
| 34 | select PM_OPP |
| 35 | help |
| 36 | This enables the Generic CPUfreq driver for ARM big.LITTLE platforms. |
| 37 | |
| 38 | config ARM_DT_BL_CPUFREQ |
| 39 | tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" |
| 40 | depends on ARM_BIG_LITTLE_CPUFREQ && OF |
| 41 | help |
| 42 | This enables probing via DT for Generic CPUfreq driver for ARM |
| 43 | big.LITTLE platform. This gets frequency tables from DT. |
| 44 | |
| 45 | config ARM_SCPI_CPUFREQ |
| 46 | tristate "SCPI based CPUfreq driver" |
| 47 | depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI |
| 48 | depends on !CPU_THERMAL || THERMAL |
| 49 | help |
| 50 | This adds the CPUfreq driver support for ARM platforms using SCPI |
| 51 | protocol for CPU power management. |
| 52 | |
| 53 | This driver uses SCPI Message Protocol driver to interact with the |
| 54 | firmware providing the CPU DVFS functionality. |
| 55 | |
| 56 | config ARM_VEXPRESS_SPC_CPUFREQ |
| 57 | tristate "Versatile Express SPC based CPUfreq driver" |
| 58 | depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC |
| 59 | help |
| 60 | This add the CPUfreq driver support for Versatile Express |
| 61 | big.LITTLE platforms using SPC for power management. |
| 62 | |
| 63 | config ARM_BRCMSTB_AVS_CPUFREQ |
| 64 | tristate "Broadcom STB AVS CPUfreq driver" |
| 65 | depends on ARCH_BRCMSTB || COMPILE_TEST |
| 66 | default y |
| 67 | help |
| 68 | Some Broadcom STB SoCs use a co-processor running proprietary firmware |
| 69 | ("AVS") to handle voltage and frequency scaling. This driver provides |
| 70 | a standard CPUfreq interface to to the firmware. |
| 71 | |
| 72 | Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS. |
| 73 | |
| 74 | config ARM_HIGHBANK_CPUFREQ |
| 75 | tristate "Calxeda Highbank-based" |
| 76 | depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR |
| 77 | default m |
| 78 | help |
| 79 | This adds the CPUFreq driver for Calxeda Highbank SoC |
| 80 | based boards. |
| 81 | |
| 82 | If in doubt, say N. |
| 83 | |
| 84 | config ARM_IMX6Q_CPUFREQ |
| 85 | tristate "Freescale i.MX6 cpufreq support" |
| 86 | depends on ARCH_MXC |
| 87 | depends on REGULATOR_ANATOP |
| 88 | select PM_OPP |
| 89 | help |
| 90 | This adds cpufreq driver support for Freescale i.MX6 series SoCs. |
| 91 | |
| 92 | If in doubt, say N. |
| 93 | |
| 94 | config ARM_KIRKWOOD_CPUFREQ |
| 95 | def_bool MACH_KIRKWOOD |
| 96 | help |
| 97 | This adds the CPUFreq driver for Marvell Kirkwood |
| 98 | SoCs. |
| 99 | |
| 100 | config ARM_MEDIATEK_CPUFREQ |
| 101 | tristate "CPU Frequency scaling support for MediaTek SoCs" |
| 102 | depends on ARCH_MEDIATEK && REGULATOR |
| 103 | depends on !CPU_THERMAL || THERMAL |
| 104 | select PM_OPP |
| 105 | help |
| 106 | This adds the CPUFreq driver support for MediaTek SoCs. |
| 107 | |
| 108 | config ARM_MEDIATEK_MCUPM_CPUFREQ |
| 109 | tristate "Mediatek MCUPM CPUFreq support" |
| 110 | depends on ARCH_MEDIATEK |
| 111 | depends on MTK_TINYSYS_MCUPM_SUPPORT |
| 112 | select PM_OPP |
| 113 | help |
| 114 | This adds the CPUFreq driver support for Mediatek MCUPM-based SoCs. |
| 115 | Some chipsets interact with a microprocessor for the firmware to |
| 116 | scale frequency. |
| 117 | |
| 118 | If in doubt, say N. |
| 119 | |
| 120 | config ARM_MEDIATEK_MT6880_CPUFREQ |
| 121 | tristate "Mediatek MT6880 CPUFreq support" |
| 122 | depends on ARCH_MEDIATEK && REGULATOR |
| 123 | select PM_OPP |
| 124 | help |
| 125 | This adds the CPUFreq driver support for Mediatek MT6880 Series SoC. |
| 126 | This driver require dt-based operating-points-v2 tables with |
| 127 | voltage and frequency. |
| 128 | If in doubt, say N. |
| 129 | |
| 130 | config ARM_SSPM_CPUFREQ |
| 131 | tristate "Mediatek SSPM CPUFreq support" |
| 132 | depends on ARCH_MEDIATEK |
| 133 | select PM_OPP |
| 134 | help |
| 135 | This adds the CPUFreq driver support for Mediatek MT67xx Series SoC. |
| 136 | This driver require dt-based operating-points-v2 tables with |
| 137 | voltage and frequency. |
| 138 | If in doubt, say N. |
| 139 | |
| 140 | config ARM_OMAP2PLUS_CPUFREQ |
| 141 | bool "TI OMAP2+" |
| 142 | depends on ARCH_OMAP2PLUS |
| 143 | default ARCH_OMAP2PLUS |
| 144 | |
| 145 | config ARM_QCOM_CPUFREQ_KRYO |
| 146 | tristate "Qualcomm Kryo based CPUFreq" |
| 147 | depends on ARM64 |
| 148 | depends on QCOM_QFPROM |
| 149 | depends on QCOM_SMEM |
| 150 | select PM_OPP |
| 151 | help |
| 152 | This adds the CPUFreq driver for Qualcomm Kryo SoC based boards. |
| 153 | |
| 154 | If in doubt, say N. |
| 155 | |
| 156 | config ARM_S3C_CPUFREQ |
| 157 | bool |
| 158 | help |
| 159 | Internal configuration node for common cpufreq on Samsung SoC |
| 160 | |
| 161 | config ARM_S3C24XX_CPUFREQ |
| 162 | bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" |
| 163 | depends on ARCH_S3C24XX |
| 164 | select ARM_S3C_CPUFREQ |
| 165 | help |
| 166 | This enables the CPUfreq driver for the Samsung S3C24XX family |
| 167 | of CPUs. |
| 168 | |
| 169 | For details, take a look at <file:Documentation/cpu-freq>. |
| 170 | |
| 171 | If in doubt, say N. |
| 172 | |
| 173 | config ARM_S3C24XX_CPUFREQ_DEBUG |
| 174 | bool "Debug CPUfreq Samsung driver core" |
| 175 | depends on ARM_S3C24XX_CPUFREQ |
| 176 | help |
| 177 | Enable s3c_freq_dbg for the Samsung S3C CPUfreq core |
| 178 | |
| 179 | config ARM_S3C24XX_CPUFREQ_IODEBUG |
| 180 | bool "Debug CPUfreq Samsung driver IO timing" |
| 181 | depends on ARM_S3C24XX_CPUFREQ |
| 182 | help |
| 183 | Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core |
| 184 | |
| 185 | config ARM_S3C24XX_CPUFREQ_DEBUGFS |
| 186 | bool "Export debugfs for CPUFreq" |
| 187 | depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS |
| 188 | help |
| 189 | Export status information via debugfs. |
| 190 | |
| 191 | config ARM_S3C2410_CPUFREQ |
| 192 | bool |
| 193 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 |
| 194 | select S3C2410_CPUFREQ_UTILS |
| 195 | help |
| 196 | CPU Frequency scaling support for S3C2410 |
| 197 | |
| 198 | config ARM_S3C2412_CPUFREQ |
| 199 | bool |
| 200 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 |
| 201 | default y |
| 202 | select S3C2412_IOTIMING |
| 203 | help |
| 204 | CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. |
| 205 | |
| 206 | config ARM_S3C2416_CPUFREQ |
| 207 | bool "S3C2416 CPU Frequency scaling support" |
| 208 | depends on CPU_S3C2416 |
| 209 | help |
| 210 | This adds the CPUFreq driver for the Samsung S3C2416 and |
| 211 | S3C2450 SoC. The S3C2416 supports changing the rate of the |
| 212 | armdiv clock source and also entering a so called dynamic |
| 213 | voltage scaling mode in which it is possible to reduce the |
| 214 | core voltage of the CPU. |
| 215 | |
| 216 | If in doubt, say N. |
| 217 | |
| 218 | config ARM_S3C2416_CPUFREQ_VCORESCALE |
| 219 | bool "Allow voltage scaling for S3C2416 arm core" |
| 220 | depends on ARM_S3C2416_CPUFREQ && REGULATOR |
| 221 | help |
| 222 | Enable CPU voltage scaling when entering the dvs mode. |
| 223 | It uses information gathered through existing hardware and |
| 224 | tests but not documented in any datasheet. |
| 225 | |
| 226 | If in doubt, say N. |
| 227 | |
| 228 | config ARM_S3C2440_CPUFREQ |
| 229 | bool "S3C2440/S3C2442 CPU Frequency scaling support" |
| 230 | depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) |
| 231 | select S3C2410_CPUFREQ_UTILS |
| 232 | default y |
| 233 | help |
| 234 | CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. |
| 235 | |
| 236 | config ARM_S3C64XX_CPUFREQ |
| 237 | bool "Samsung S3C64XX" |
| 238 | depends on CPU_S3C6410 |
| 239 | default y |
| 240 | help |
| 241 | This adds the CPUFreq driver for Samsung S3C6410 SoC. |
| 242 | |
| 243 | If in doubt, say N. |
| 244 | |
| 245 | config ARM_S5PV210_CPUFREQ |
| 246 | bool "Samsung S5PV210 and S5PC110" |
| 247 | depends on CPU_S5PV210 |
| 248 | default y |
| 249 | help |
| 250 | This adds the CPUFreq driver for Samsung S5PV210 and |
| 251 | S5PC110 SoCs. |
| 252 | |
| 253 | If in doubt, say N. |
| 254 | |
| 255 | config ARM_SA1100_CPUFREQ |
| 256 | bool |
| 257 | |
| 258 | config ARM_SA1110_CPUFREQ |
| 259 | bool |
| 260 | |
| 261 | config ARM_SCMI_CPUFREQ |
| 262 | tristate "SCMI based CPUfreq driver" |
| 263 | depends on ARM_SCMI_PROTOCOL || COMPILE_TEST |
| 264 | depends on !CPU_THERMAL || THERMAL |
| 265 | select PM_OPP |
| 266 | help |
| 267 | This adds the CPUfreq driver support for ARM platforms using SCMI |
| 268 | protocol for CPU power management. |
| 269 | |
| 270 | This driver uses SCMI Message Protocol driver to interact with the |
| 271 | firmware providing the CPU DVFS functionality. |
| 272 | |
| 273 | config ARM_SPEAR_CPUFREQ |
| 274 | bool "SPEAr CPUFreq support" |
| 275 | depends on PLAT_SPEAR |
| 276 | default y |
| 277 | help |
| 278 | This adds the CPUFreq driver support for SPEAr SOCs. |
| 279 | |
| 280 | config ARM_STI_CPUFREQ |
| 281 | tristate "STi CPUFreq support" |
| 282 | depends on SOC_STIH407 |
| 283 | help |
| 284 | This driver uses the generic OPP framework to match the running |
| 285 | platform with a predefined set of suitable values. If not provided |
| 286 | we will fall-back so safe-values contained in Device Tree. Enable |
| 287 | this config option if you wish to add CPUFreq support for STi based |
| 288 | SoCs. |
| 289 | |
| 290 | config ARM_TANGO_CPUFREQ |
| 291 | bool |
| 292 | depends on CPUFREQ_DT && ARCH_TANGO |
| 293 | default y |
| 294 | |
| 295 | config ARM_TEGRA20_CPUFREQ |
| 296 | tristate "Tegra20 CPUFreq support" |
| 297 | depends on ARCH_TEGRA |
| 298 | default y |
| 299 | help |
| 300 | This adds the CPUFreq driver support for Tegra20 SOCs. |
| 301 | |
| 302 | config ARM_TEGRA124_CPUFREQ |
| 303 | tristate "Tegra124 CPUFreq support" |
| 304 | depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR |
| 305 | default y |
| 306 | help |
| 307 | This adds the CPUFreq driver support for Tegra124 SOCs. |
| 308 | |
| 309 | config ARM_TEGRA186_CPUFREQ |
| 310 | tristate "Tegra186 CPUFreq support" |
| 311 | depends on ARCH_TEGRA && TEGRA_BPMP |
| 312 | help |
| 313 | This adds the CPUFreq driver support for Tegra186 SOCs. |
| 314 | |
| 315 | config ARM_TI_CPUFREQ |
| 316 | bool "Texas Instruments CPUFreq support" |
| 317 | depends on ARCH_OMAP2PLUS |
| 318 | help |
| 319 | This driver enables valid OPPs on the running platform based on |
| 320 | values contained within the SoC in use. Enable this in order to |
| 321 | use the cpufreq-dt driver on all Texas Instruments platforms that |
| 322 | provide dt based operating-points-v2 tables with opp-supported-hw |
| 323 | data provided. Required for cpufreq support on AM335x, AM437x, |
| 324 | DRA7x, and AM57x platforms. |
| 325 | |
| 326 | config ARM_PXA2xx_CPUFREQ |
| 327 | tristate "Intel PXA2xx CPUfreq driver" |
| 328 | depends on PXA27x || PXA25x |
| 329 | help |
| 330 | This add the CPUFreq driver support for Intel PXA2xx SOCs. |
| 331 | |
| 332 | If in doubt, say N. |