1# 2# ARM CPU Frequency scaling drivers 3# 4 5config ARM_S3C2416_CPUFREQ 6 bool "S3C2416 CPU Frequency scaling support" 7 depends on CPU_S3C2416 8 help 9 This adds the CPUFreq driver for the Samsung S3C2416 and 10 S3C2450 SoC. The S3C2416 supports changing the rate of the 11 armdiv clock source and also entering a so called dynamic 12 voltage scaling mode in which it is possible to reduce the 13 core voltage of the cpu. 14 15 If in doubt, say N. 16 17config ARM_S3C2416_CPUFREQ_VCORESCALE 18 bool "Allow voltage scaling for S3C2416 arm core (EXPERIMENTAL)" 19 depends on ARM_S3C2416_CPUFREQ && REGULATOR && EXPERIMENTAL 20 help 21 Enable CPU voltage scaling when entering the dvs mode. 22 It uses information gathered through existing hardware and 23 tests but not documented in any datasheet. 24 25 If in doubt, say N. 26 27config ARM_S3C64XX_CPUFREQ 28 bool "Samsung S3C64XX" 29 depends on CPU_S3C6410 30 default y 31 help 32 This adds the CPUFreq driver for Samsung S3C6410 SoC. 33 34 If in doubt, say N. 35 36config ARM_S5PV210_CPUFREQ 37 bool "Samsung S5PV210 and S5PC110" 38 depends on CPU_S5PV210 39 default y 40 help 41 This adds the CPUFreq driver for Samsung S5PV210 and 42 S5PC110 SoCs. 43 44 If in doubt, say N. 45 46config ARM_EXYNOS_CPUFREQ 47 bool "SAMSUNG EXYNOS SoCs" 48 depends on ARCH_EXYNOS 49 select ARM_EXYNOS4210_CPUFREQ if CPU_EXYNOS4210 50 select ARM_EXYNOS4X12_CPUFREQ if (SOC_EXYNOS4212 || SOC_EXYNOS4412) 51 select ARM_EXYNOS5250_CPUFREQ if SOC_EXYNOS5250 52 default y 53 help 54 This adds the CPUFreq driver common part for Samsung 55 EXYNOS SoCs. 56 57 If in doubt, say N. 58 59config ARM_EXYNOS4210_CPUFREQ 60 bool "Samsung EXYNOS4210" 61 depends on ARCH_EXYNOS 62 help 63 This adds the CPUFreq driver for Samsung EXYNOS4210 64 SoC (S5PV310 or S5PC210). 65 66config ARM_EXYNOS4X12_CPUFREQ 67 bool "Samsung EXYNOS4X12" 68 help 69 This adds the CPUFreq driver for Samsung EXYNOS4X12 70 SoC (EXYNOS4212 or EXYNOS4412). 71 72config ARM_EXYNOS5250_CPUFREQ 73 bool "Samsung EXYNOS5250" 74 help 75 This adds the CPUFreq driver for Samsung EXYNOS5250 76 SoC. 77