Kukjin Kim | f7d7707 | 2011-06-01 14:18:22 -0700 | [diff] [blame] | 1 | # |
| 2 | # ARM CPU Frequency scaling drivers |
| 3 | # |
| 4 | |
viresh kumar | 3b84d58 | 2014-03-14 12:10:54 +0530 | [diff] [blame] | 5 | # big LITTLE core layer and glue drivers |
Viresh Kumar | 8a67f0e | 2013-04-01 12:57:49 +0000 | [diff] [blame] | 6 | config ARM_BIG_LITTLE_CPUFREQ |
Viresh Kumar | 99af771 | 2013-05-04 12:03:54 +0530 | [diff] [blame] | 7 | tristate "Generic ARM big LITTLE CPUfreq driver" |
Sudeep Holla | 1473014 | 2015-05-13 13:35:52 +0100 | [diff] [blame] | 8 | depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK |
Mark Brown | 109df08 | 2013-12-11 22:12:27 +0000 | [diff] [blame] | 9 | select PM_OPP |
Viresh Kumar | 99af771 | 2013-05-04 12:03:54 +0530 | [diff] [blame] | 10 | help |
| 11 | This enables the Generic CPUfreq driver for ARM big.LITTLE platforms. |
Viresh Kumar | 8a67f0e | 2013-04-01 12:57:49 +0000 | [diff] [blame] | 12 | |
| 13 | config ARM_DT_BL_CPUFREQ |
Viresh Kumar | 99af771 | 2013-05-04 12:03:54 +0530 | [diff] [blame] | 14 | tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" |
| 15 | depends on ARM_BIG_LITTLE_CPUFREQ && OF |
Viresh Kumar | 8a67f0e | 2013-04-01 12:57:49 +0000 | [diff] [blame] | 16 | help |
Viresh Kumar | 99af771 | 2013-05-04 12:03:54 +0530 | [diff] [blame] | 17 | This enables probing via DT for Generic CPUfreq driver for ARM |
| 18 | big.LITTLE platform. This gets frequency tables from DT. |
Viresh Kumar | 8a67f0e | 2013-04-01 12:57:49 +0000 | [diff] [blame] | 19 | |
viresh kumar | 3b84d58 | 2014-03-14 12:10:54 +0530 | [diff] [blame] | 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 | |
Arnd Bergmann | 8b2b4a4 | 2015-01-31 14:35:18 -0400 | [diff] [blame] | 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 | |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 41 | config ARM_HIGHBANK_CPUFREQ |
| 42 | tristate "Calxeda Highbank-based" |
Viresh Kumar | bbcf071 | 2014-09-09 19:58:03 +0530 | [diff] [blame] | 43 | depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 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 | |
Leo Yan | 5acb972 | 2015-03-30 13:26:37 +0800 | [diff] [blame] | 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 | |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 60 | config ARM_IMX6Q_CPUFREQ |
Shawn Guo | 1d0eaae | 2013-12-20 10:12:16 +0800 | [diff] [blame] | 61 | tristate "Freescale i.MX6 cpufreq support" |
| 62 | depends on ARCH_MXC |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 63 | depends on REGULATOR_ANATOP |
Nicolas Del Piano | 7e02168 | 2014-07-13 18:59:00 -0300 | [diff] [blame] | 64 | select PM_OPP |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 65 | help |
Shawn Guo | 1d0eaae | 2013-12-20 10:12:16 +0800 | [diff] [blame] | 66 | This adds cpufreq driver support for Freescale i.MX6 series SoCs. |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 67 | |
| 68 | If in doubt, say N. |
| 69 | |
Viresh Kumar | b7e614c | 2013-04-04 12:54:14 +0000 | [diff] [blame] | 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 | |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 78 | config ARM_KIRKWOOD_CPUFREQ |
Andrew Lunn | 6c8df11 | 2014-08-30 18:46:12 +0200 | [diff] [blame] | 79 | def_bool MACH_KIRKWOOD |
Viresh Kumar | a0ea048 | 2013-04-04 12:54:09 +0000 | [diff] [blame] | 80 | help |
| 81 | This adds the CPUFreq driver for Marvell Kirkwood |
| 82 | SoCs. |
| 83 | |
Pi-Cheng Chen | 1453863 | 2015-08-19 10:05:06 +0800 | [diff] [blame] | 84 | config ARM_MT8173_CPUFREQ |
| 85 | bool "Mediatek MT8173 CPUFreq support" |
| 86 | depends on ARCH_MEDIATEK && REGULATOR |
Arnd Bergmann | 2d4ee30 | 2015-11-16 22:27:55 +0100 | [diff] [blame] | 87 | depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST) |
Guenter Roeck | 5269e70 | 2015-09-03 08:20:58 -0700 | [diff] [blame] | 88 | depends on !CPU_THERMAL || THERMAL=y |
Pi-Cheng Chen | 1453863 | 2015-08-19 10:05:06 +0800 | [diff] [blame] | 89 | select PM_OPP |
| 90 | help |
| 91 | This adds the CPUFreq driver support for Mediatek MT8173 SoC. |
| 92 | |
Russell King | b09db45 | 2012-02-15 11:01:11 -0800 | [diff] [blame] | 93 | config ARM_OMAP2PLUS_CPUFREQ |
| 94 | bool "TI OMAP2+" |
Kevin Hilman | 2d59dcf | 2012-04-13 13:32:30 -0700 | [diff] [blame] | 95 | depends on ARCH_OMAP2PLUS |
Russell King | b09db45 | 2012-02-15 11:01:11 -0800 | [diff] [blame] | 96 | default ARCH_OMAP2PLUS |
Russell King | b09db45 | 2012-02-15 11:01:11 -0800 | [diff] [blame] | 97 | |
Viresh Kumar | f023f8d | 2013-04-04 12:54:15 +0000 | [diff] [blame] | 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 | |
Heiko Stübner | 34ee5507 | 2012-02-16 11:42:32 +0100 | [diff] [blame] | 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 |
Stratos Karafotis | 735dc24 | 2014-04-22 22:40:10 +0300 | [diff] [blame] | 156 | core voltage of the CPU. |
Heiko Stübner | 34ee5507 | 2012-02-16 11:42:32 +0100 | [diff] [blame] | 157 | |
| 158 | If in doubt, say N. |
| 159 | |
| 160 | config ARM_S3C2416_CPUFREQ_VCORESCALE |
Kees Cook | 0f194b5 | 2012-10-02 11:16:53 -0700 | [diff] [blame] | 161 | bool "Allow voltage scaling for S3C2416 arm core" |
| 162 | depends on ARM_S3C2416_CPUFREQ && REGULATOR |
Heiko Stübner | 34ee5507 | 2012-02-16 11:42:32 +0100 | [diff] [blame] | 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 | |
Viresh Kumar | f023f8d | 2013-04-04 12:54:15 +0000 | [diff] [blame] | 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 | |
Kukjin Kim | 15964d3 | 2011-06-06 18:43:01 -0700 | [diff] [blame] | 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 | |
Kukjin Kim | f7d7707 | 2011-06-01 14:18:22 -0700 | [diff] [blame] | 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 | |
Viresh Kumar | 59a2e61 | 2013-04-04 12:54:16 +0000 | [diff] [blame] | 197 | config ARM_SA1100_CPUFREQ |
| 198 | bool |
| 199 | |
| 200 | config ARM_SA1110_CPUFREQ |
| 201 | bool |
| 202 | |
Sudeep Holla | 8def310 | 2015-03-30 10:59:52 +0100 | [diff] [blame] | 203 | config ARM_SCPI_CPUFREQ |
| 204 | tristate "SCPI based CPUfreq driver" |
Punit Agrawal | 73124ce | 2015-11-18 13:52:44 +0000 | [diff] [blame] | 205 | depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI |
Sudeep Holla | 8def310 | 2015-03-30 10:59:52 +0100 | [diff] [blame] | 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 | |
Deepak Sikri | 4209932 | 2012-11-27 14:05:26 +0100 | [diff] [blame] | 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. |
Viresh Kumar | dbb8d76 | 2013-06-12 12:05:48 +0530 | [diff] [blame] | 219 | |
Tuomas Tynkkynen | 109e13e | 2015-05-13 17:58:47 +0300 | [diff] [blame] | 220 | config ARM_TEGRA20_CPUFREQ |
| 221 | bool "Tegra20 CPUFreq support" |
Viresh Kumar | dbb8d76 | 2013-06-12 12:05:48 +0530 | [diff] [blame] | 222 | depends on ARCH_TEGRA |
Viresh Kumar | dbb8d76 | 2013-06-12 12:05:48 +0530 | [diff] [blame] | 223 | default y |
| 224 | help |
Tuomas Tynkkynen | 109e13e | 2015-05-13 17:58:47 +0300 | [diff] [blame] | 225 | This adds the CPUFreq driver support for Tegra20 SOCs. |
Petr Cvek | 608eab2 | 2014-11-24 04:59:26 +0100 | [diff] [blame] | 226 | |
Tuomas Tynkkynen | 9eb15db | 2015-05-13 17:58:48 +0300 | [diff] [blame] | 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 | |
Petr Cvek | 608eab2 | 2014-11-24 04:59:26 +0100 | [diff] [blame] | 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. |
Ashwin Chaugule | 5477fb3 | 2015-10-02 10:04:01 -0400 | [diff] [blame] | 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. |