Kconfig.arm 8.3 KB

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  1. #
  2. # ARM CPU Frequency scaling drivers
  3. #
  4. # big LITTLE core layer and glue drivers
  5. config ARM_BIG_LITTLE_CPUFREQ
  6. tristate "Generic ARM big LITTLE CPUfreq driver"
  7. depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK
  8. # if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y
  9. depends on !CPU_THERMAL || THERMAL
  10. select PM_OPP
  11. help
  12. This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
  13. config ARM_BRCMSTB_AVS_CPUFREQ
  14. tristate "Broadcom STB AVS CPUfreq driver"
  15. depends on ARCH_BRCMSTB || COMPILE_TEST
  16. default y
  17. help
  18. Some Broadcom STB SoCs use a co-processor running proprietary firmware
  19. ("AVS") to handle voltage and frequency scaling. This driver provides
  20. a standard CPUfreq interface to to the firmware.
  21. Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
  22. config ARM_BRCMSTB_AVS_CPUFREQ_DEBUG
  23. bool "Broadcom STB AVS CPUfreq driver sysfs debug capability"
  24. depends on ARM_BRCMSTB_AVS_CPUFREQ
  25. help
  26. Enabling this option turns on debug support via sysfs under
  27. /sys/kernel/debug/brcmstb-avs-cpufreq. It is possible to read all and
  28. write some AVS mailbox registers through sysfs entries.
  29. If in doubt, say N.
  30. config ARM_DT_BL_CPUFREQ
  31. tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
  32. depends on ARM_BIG_LITTLE_CPUFREQ && OF
  33. help
  34. This enables probing via DT for Generic CPUfreq driver for ARM
  35. big.LITTLE platform. This gets frequency tables from DT.
  36. config ARM_VEXPRESS_SPC_CPUFREQ
  37. tristate "Versatile Express SPC based CPUfreq driver"
  38. depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
  39. help
  40. This add the CPUfreq driver support for Versatile Express
  41. big.LITTLE platforms using SPC for power management.
  42. config ARM_EXYNOS5440_CPUFREQ
  43. tristate "SAMSUNG EXYNOS5440"
  44. depends on SOC_EXYNOS5440
  45. depends on HAVE_CLK && OF
  46. select PM_OPP
  47. default y
  48. help
  49. This adds the CPUFreq driver for Samsung EXYNOS5440
  50. SoC. The nature of exynos5440 clock controller is
  51. different than previous exynos controllers so not using
  52. the common exynos framework.
  53. If in doubt, say N.
  54. config ARM_HIGHBANK_CPUFREQ
  55. tristate "Calxeda Highbank-based"
  56. depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
  57. default m
  58. help
  59. This adds the CPUFreq driver for Calxeda Highbank SoC
  60. based boards.
  61. If in doubt, say N.
  62. config ARM_IMX6Q_CPUFREQ
  63. tristate "Freescale i.MX6 cpufreq support"
  64. depends on ARCH_MXC
  65. depends on REGULATOR_ANATOP
  66. select PM_OPP
  67. help
  68. This adds cpufreq driver support for Freescale i.MX6 series SoCs.
  69. If in doubt, say N.
  70. config ARM_KIRKWOOD_CPUFREQ
  71. def_bool MACH_KIRKWOOD
  72. help
  73. This adds the CPUFreq driver for Marvell Kirkwood
  74. SoCs.
  75. config ARM_MEDIATEK_CPUFREQ
  76. tristate "CPU Frequency scaling support for MediaTek SoCs"
  77. depends on ARCH_MEDIATEK && REGULATOR
  78. depends on !CPU_THERMAL || THERMAL
  79. select PM_OPP
  80. help
  81. This adds the CPUFreq driver support for MediaTek SoCs.
  82. config ARM_OMAP2PLUS_CPUFREQ
  83. bool "TI OMAP2+"
  84. depends on ARCH_OMAP2PLUS
  85. default ARCH_OMAP2PLUS
  86. config ARM_S3C_CPUFREQ
  87. bool
  88. help
  89. Internal configuration node for common cpufreq on Samsung SoC
  90. config ARM_S3C24XX_CPUFREQ
  91. bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
  92. depends on ARCH_S3C24XX
  93. select ARM_S3C_CPUFREQ
  94. help
  95. This enables the CPUfreq driver for the Samsung S3C24XX family
  96. of CPUs.
  97. For details, take a look at <file:Documentation/cpu-freq>.
  98. If in doubt, say N.
  99. config ARM_S3C24XX_CPUFREQ_DEBUG
  100. bool "Debug CPUfreq Samsung driver core"
  101. depends on ARM_S3C24XX_CPUFREQ
  102. help
  103. Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
  104. config ARM_S3C24XX_CPUFREQ_IODEBUG
  105. bool "Debug CPUfreq Samsung driver IO timing"
  106. depends on ARM_S3C24XX_CPUFREQ
  107. help
  108. Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
  109. config ARM_S3C24XX_CPUFREQ_DEBUGFS
  110. bool "Export debugfs for CPUFreq"
  111. depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
  112. help
  113. Export status information via debugfs.
  114. config ARM_S3C2410_CPUFREQ
  115. bool
  116. depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
  117. select S3C2410_CPUFREQ_UTILS
  118. help
  119. CPU Frequency scaling support for S3C2410
  120. config ARM_S3C2412_CPUFREQ
  121. bool
  122. depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
  123. default y
  124. select S3C2412_IOTIMING
  125. help
  126. CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
  127. config ARM_S3C2416_CPUFREQ
  128. bool "S3C2416 CPU Frequency scaling support"
  129. depends on CPU_S3C2416
  130. help
  131. This adds the CPUFreq driver for the Samsung S3C2416 and
  132. S3C2450 SoC. The S3C2416 supports changing the rate of the
  133. armdiv clock source and also entering a so called dynamic
  134. voltage scaling mode in which it is possible to reduce the
  135. core voltage of the CPU.
  136. If in doubt, say N.
  137. config ARM_S3C2416_CPUFREQ_VCORESCALE
  138. bool "Allow voltage scaling for S3C2416 arm core"
  139. depends on ARM_S3C2416_CPUFREQ && REGULATOR
  140. help
  141. Enable CPU voltage scaling when entering the dvs mode.
  142. It uses information gathered through existing hardware and
  143. tests but not documented in any datasheet.
  144. If in doubt, say N.
  145. config ARM_S3C2440_CPUFREQ
  146. bool "S3C2440/S3C2442 CPU Frequency scaling support"
  147. depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
  148. select S3C2410_CPUFREQ_UTILS
  149. default y
  150. help
  151. CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
  152. config ARM_S3C64XX_CPUFREQ
  153. bool "Samsung S3C64XX"
  154. depends on CPU_S3C6410
  155. default y
  156. help
  157. This adds the CPUFreq driver for Samsung S3C6410 SoC.
  158. If in doubt, say N.
  159. config ARM_S5PV210_CPUFREQ
  160. bool "Samsung S5PV210 and S5PC110"
  161. depends on CPU_S5PV210
  162. default y
  163. help
  164. This adds the CPUFreq driver for Samsung S5PV210 and
  165. S5PC110 SoCs.
  166. If in doubt, say N.
  167. config ARM_SA1100_CPUFREQ
  168. bool
  169. config ARM_SA1110_CPUFREQ
  170. bool
  171. config ARM_SCPI_CPUFREQ
  172. tristate "SCPI based CPUfreq driver"
  173. depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
  174. help
  175. This adds the CPUfreq driver support for ARM big.LITTLE platforms
  176. using SCPI protocol for CPU power management.
  177. This driver uses SCPI Message Protocol driver to interact with the
  178. firmware providing the CPU DVFS functionality.
  179. config ARM_SPEAR_CPUFREQ
  180. bool "SPEAr CPUFreq support"
  181. depends on PLAT_SPEAR
  182. default y
  183. help
  184. This adds the CPUFreq driver support for SPEAr SOCs.
  185. config ARM_STI_CPUFREQ
  186. tristate "STi CPUFreq support"
  187. depends on SOC_STIH407
  188. help
  189. This driver uses the generic OPP framework to match the running
  190. platform with a predefined set of suitable values. If not provided
  191. we will fall-back so safe-values contained in Device Tree. Enable
  192. this config option if you wish to add CPUFreq support for STi based
  193. SoCs.
  194. config ARM_TANGO_CPUFREQ
  195. bool
  196. depends on CPUFREQ_DT && ARCH_TANGO
  197. default y
  198. config ARM_TEGRA20_CPUFREQ
  199. bool "Tegra20 CPUFreq support"
  200. depends on ARCH_TEGRA
  201. default y
  202. help
  203. This adds the CPUFreq driver support for Tegra20 SOCs.
  204. config ARM_TEGRA124_CPUFREQ
  205. tristate "Tegra124 CPUFreq support"
  206. depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
  207. default y
  208. help
  209. This adds the CPUFreq driver support for Tegra124 SOCs.
  210. config ARM_TEGRA186_CPUFREQ
  211. tristate "Tegra186 CPUFreq support"
  212. depends on ARCH_TEGRA && TEGRA_BPMP
  213. help
  214. This adds the CPUFreq driver support for Tegra186 SOCs.
  215. config ARM_TI_CPUFREQ
  216. bool "Texas Instruments CPUFreq support"
  217. depends on ARCH_OMAP2PLUS
  218. help
  219. This driver enables valid OPPs on the running platform based on
  220. values contained within the SoC in use. Enable this in order to
  221. use the cpufreq-dt driver on all Texas Instruments platforms that
  222. provide dt based operating-points-v2 tables with opp-supported-hw
  223. data provided. Required for cpufreq support on AM335x, AM437x,
  224. DRA7x, and AM57x platforms.
  225. config ARM_PXA2xx_CPUFREQ
  226. tristate "Intel PXA2xx CPUfreq driver"
  227. depends on PXA27x || PXA25x
  228. help
  229. This add the CPUFreq driver support for Intel PXA2xx SOCs.
  230. If in doubt, say N.
  231. config ACPI_CPPC_CPUFREQ
  232. tristate "CPUFreq driver based on the ACPI CPPC spec"
  233. depends on ACPI_PROCESSOR
  234. select ACPI_CPPC_LIB
  235. default n
  236. help
  237. This adds a CPUFreq driver which uses CPPC methods
  238. as described in the ACPIv5.1 spec. CPPC stands for
  239. Collaborative Processor Performance Controls. It
  240. is based on an abstract continuous scale of CPU
  241. performance values which allows the remote power
  242. processor to flexibly optimize for power and
  243. performance. CPPC relies on power management firmware
  244. support for its operation.
  245. If in doubt, say N.