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