1# 2# ARM CPU Frequency scaling drivers 3# 4 5config ARM_BIG_LITTLE_CPUFREQ 6 tristate "Generic ARM big LITTLE CPUfreq driver" 7 depends on ARM_CPU_TOPOLOGY && PM_OPP && HAVE_CLK 8 select CPU_FREQ_TABLE 9 help 10 This enables the Generic CPUfreq driver for ARM big.LITTLE platforms. 11 12config ARM_DT_BL_CPUFREQ 13 tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" 14 depends on ARM_BIG_LITTLE_CPUFREQ && OF 15 help 16 This enables probing via DT for Generic CPUfreq driver for ARM 17 big.LITTLE platform. This gets frequency tables from DT. 18 19config ARM_EXYNOS_CPUFREQ 20 bool "SAMSUNG EXYNOS SoCs" 21 depends on ARCH_EXYNOS 22 default y 23 help 24 This adds the CPUFreq driver common part for Samsung 25 EXYNOS SoCs. 26 27 If in doubt, say N. 28 29config ARM_EXYNOS4210_CPUFREQ 30 def_bool CPU_EXYNOS4210 31 help 32 This adds the CPUFreq driver for Samsung EXYNOS4210 33 SoC (S5PV310 or S5PC210). 34 35config ARM_EXYNOS4X12_CPUFREQ 36 def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412) 37 help 38 This adds the CPUFreq driver for Samsung EXYNOS4X12 39 SoC (EXYNOS4212 or EXYNOS4412). 40 41config ARM_EXYNOS5250_CPUFREQ 42 def_bool SOC_EXYNOS5250 43 help 44 This adds the CPUFreq driver for Samsung EXYNOS5250 45 SoC. 46 47config ARM_EXYNOS5440_CPUFREQ 48 def_bool SOC_EXYNOS5440 49 depends on HAVE_CLK && PM_OPP && OF 50 help 51 This adds the CPUFreq driver for Samsung EXYNOS5440 52 SoC. The nature of exynos5440 clock controller is 53 different than previous exynos controllers so not using 54 the common exynos framework. 55 56config ARM_HIGHBANK_CPUFREQ 57 tristate "Calxeda Highbank-based" 58 depends on ARCH_HIGHBANK 59 select CPU_FREQ_TABLE 60 select GENERIC_CPUFREQ_CPU0 61 select PM_OPP 62 select REGULATOR 63 64 default m 65 help 66 This adds the CPUFreq driver for Calxeda Highbank SoC 67 based boards. 68 69 If in doubt, say N. 70 71config ARM_IMX6Q_CPUFREQ 72 tristate "Freescale i.MX6Q cpufreq support" 73 depends on SOC_IMX6Q 74 depends on REGULATOR_ANATOP 75 help 76 This adds cpufreq driver support for Freescale i.MX6Q SOC. 77 78 If in doubt, say N. 79 80config ARM_INTEGRATOR 81 tristate "CPUfreq driver for ARM Integrator CPUs" 82 depends on ARCH_INTEGRATOR 83 default y 84 help 85 This enables the CPUfreq driver for ARM Integrator CPUs. 86 If in doubt, say Y. 87 88config ARM_KIRKWOOD_CPUFREQ 89 def_bool ARCH_KIRKWOOD && OF 90 help 91 This adds the CPUFreq driver for Marvell Kirkwood 92 SoCs. 93 94config ARM_OMAP2PLUS_CPUFREQ 95 bool "TI OMAP2+" 96 depends on ARCH_OMAP2PLUS 97 default ARCH_OMAP2PLUS 98 select CPU_FREQ_TABLE 99 100config ARM_S3C2416_CPUFREQ 101 bool "S3C2416 CPU Frequency scaling support" 102 depends on CPU_S3C2416 103 help 104 This adds the CPUFreq driver for the Samsung S3C2416 and 105 S3C2450 SoC. The S3C2416 supports changing the rate of the 106 armdiv clock source and also entering a so called dynamic 107 voltage scaling mode in which it is possible to reduce the 108 core voltage of the cpu. 109 110 If in doubt, say N. 111 112config ARM_S3C2416_CPUFREQ_VCORESCALE 113 bool "Allow voltage scaling for S3C2416 arm core" 114 depends on ARM_S3C2416_CPUFREQ && REGULATOR 115 help 116 Enable CPU voltage scaling when entering the dvs mode. 117 It uses information gathered through existing hardware and 118 tests but not documented in any datasheet. 119 120 If in doubt, say N. 121 122config ARM_S3C64XX_CPUFREQ 123 bool "Samsung S3C64XX" 124 depends on CPU_S3C6410 125 default y 126 help 127 This adds the CPUFreq driver for Samsung S3C6410 SoC. 128 129 If in doubt, say N. 130 131config ARM_S5PV210_CPUFREQ 132 bool "Samsung S5PV210 and S5PC110" 133 depends on CPU_S5PV210 134 select CPU_FREQ_TABLE 135 default y 136 help 137 This adds the CPUFreq driver for Samsung S5PV210 and 138 S5PC110 SoCs. 139 140 If in doubt, say N. 141 142config ARM_SA1100_CPUFREQ 143 bool 144 145config ARM_SA1110_CPUFREQ 146 bool 147 148config ARM_SPEAR_CPUFREQ 149 bool "SPEAr CPUFreq support" 150 depends on PLAT_SPEAR 151 select CPU_FREQ_TABLE 152 default y 153 help 154 This adds the CPUFreq driver support for SPEAr SOCs. 155