2 # ARM CPU Frequency scaling drivers
5 config ARM_BIG_LITTLE_CPUFREQ
6 tristate
"Generic ARM big LITTLE CPUfreq driver"
7 depends on ARM_CPU_TOPOLOGY
&& PM_OPP
&& HAVE_CLK
10 This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
12 config ARM_DT_BL_CPUFREQ
13 tristate
"Generic probing via DT for ARM big LITTLE CPUfreq driver"
14 depends on ARM_BIG_LITTLE_CPUFREQ
&& OF
16 This enables probing via DT for Generic CPUfreq driver for ARM
17 big.LITTLE platform. This gets frequency tables from DT.
19 config ARM_EXYNOS_CPUFREQ
20 bool
"SAMSUNG EXYNOS SoCs"
21 depends on ARCH_EXYNOS
25 This adds the CPUFreq driver common part for Samsung
30 config ARM_EXYNOS4210_CPUFREQ
31 def_bool CPU_EXYNOS4210
33 This adds the CPUFreq driver for Samsung EXYNOS4210
34 SoC
(S5PV310 or S5PC210
).
36 config ARM_EXYNOS4X12_CPUFREQ
37 def_bool
(SOC_EXYNOS4212 || SOC_EXYNOS4412
)
39 This adds the CPUFreq driver for Samsung EXYNOS4X12
40 SoC
(EXYNOS4212 or EXYNOS4412
).
42 config ARM_EXYNOS5250_CPUFREQ
43 def_bool SOC_EXYNOS5250
45 This adds the CPUFreq driver for Samsung EXYNOS5250
48 config ARM_EXYNOS5440_CPUFREQ
49 def_bool SOC_EXYNOS5440
50 depends on HAVE_CLK
&& PM_OPP
&& OF
53 This adds the CPUFreq driver for Samsung EXYNOS5440
54 SoC. The nature of exynos5440 clock controller is
55 different than previous exynos controllers so not using
56 the common exynos framework.
58 config ARM_HIGHBANK_CPUFREQ
59 tristate
"Calxeda Highbank-based"
60 depends on ARCH_HIGHBANK
61 select GENERIC_CPUFREQ_CPU0
67 This adds the CPUFreq driver for Calxeda Highbank SoC
72 config ARM_IMX6Q_CPUFREQ
73 tristate
"Freescale i.MX6Q cpufreq support"
75 depends on REGULATOR_ANATOP
78 This adds cpufreq driver support for Freescale i.MX6Q SOC.
83 tristate
"CPUfreq driver for ARM Integrator CPUs"
84 depends on ARCH_INTEGRATOR
87 This enables the CPUfreq driver for ARM Integrator CPUs.
90 config ARM_KIRKWOOD_CPUFREQ
91 def_bool ARCH_KIRKWOOD
&& OF
94 This adds the CPUFreq driver for Marvell Kirkwood
97 config ARM_OMAP2PLUS_CPUFREQ
99 depends on ARCH_OMAP2PLUS
100 default ARCH_OMAP2PLUS
101 select CPU_FREQ_TABLE
103 config ARM_S3C_CPUFREQ
106 Internal configuration node for common cpufreq on Samsung SoC
108 config ARM_S3C24XX_CPUFREQ
109 bool
"CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
110 depends on ARCH_S3C24XX
111 select ARM_S3C_CPUFREQ
113 This enables the CPUfreq driver for the Samsung S3C24XX family
116 For details
, take a look at
<file
:Documentation
/cpu
-freq
>.
120 config ARM_S3C24XX_CPUFREQ_DEBUG
121 bool
"Debug CPUfreq Samsung driver core"
122 depends on ARM_S3C24XX_CPUFREQ
124 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
126 config ARM_S3C24XX_CPUFREQ_IODEBUG
127 bool
"Debug CPUfreq Samsung driver IO timing"
128 depends on ARM_S3C24XX_CPUFREQ
130 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
132 config ARM_S3C24XX_CPUFREQ_DEBUGFS
133 bool
"Export debugfs for CPUFreq"
134 depends on ARM_S3C24XX_CPUFREQ
&& DEBUG_FS
136 Export status information via debugfs.
138 config ARM_S3C2410_CPUFREQ
140 depends on ARM_S3C24XX_CPUFREQ
&& CPU_S3C2410
141 select S3C2410_CPUFREQ_UTILS
143 CPU Frequency scaling support for S3C2410
145 config ARM_S3C2412_CPUFREQ
147 depends on ARM_S3C24XX_CPUFREQ
&& CPU_S3C2412
149 select S3C2412_IOTIMING
151 CPU Frequency scaling support for S3C2412
and S3C2413 SoC CPUs.
153 config ARM_S3C2416_CPUFREQ
154 bool
"S3C2416 CPU Frequency scaling support"
155 depends on CPU_S3C2416
156 select CPU_FREQ_TABLE
158 This adds the CPUFreq driver for the Samsung S3C2416
and
159 S3C2450 SoC. The S3C2416 supports changing the rate of the
160 armdiv clock source
and also entering a so called dynamic
161 voltage scaling mode in which it is possible to reduce the
162 core voltage of the cpu.
166 config ARM_S3C2416_CPUFREQ_VCORESCALE
167 bool
"Allow voltage scaling for S3C2416 arm core"
168 depends on ARM_S3C2416_CPUFREQ
&& REGULATOR
170 Enable CPU voltage scaling when entering the dvs mode.
171 It uses information gathered through existing hardware
and
172 tests but not documented in any datasheet.
176 config ARM_S3C2440_CPUFREQ
177 bool
"S3C2440/S3C2442 CPU Frequency scaling support"
178 depends on ARM_S3C24XX_CPUFREQ
&& (CPU_S3C2440 || CPU_S3C2442
)
179 select S3C2410_CPUFREQ_UTILS
182 CPU Frequency scaling support for S3C2440
and S3C2442 SoC CPUs.
184 config ARM_S3C64XX_CPUFREQ
185 bool
"Samsung S3C64XX"
186 depends on CPU_S3C6410
187 select CPU_FREQ_TABLE
190 This adds the CPUFreq driver for Samsung S3C6410 SoC.
194 config ARM_S5PV210_CPUFREQ
195 bool
"Samsung S5PV210 and S5PC110"
196 depends on CPU_S5PV210
197 select CPU_FREQ_TABLE
200 This adds the CPUFreq driver for Samsung S5PV210
and
205 config ARM_SA1100_CPUFREQ
208 config ARM_SA1110_CPUFREQ
211 config ARM_SPEAR_CPUFREQ
212 bool
"SPEAr CPUFreq support"
213 depends on PLAT_SPEAR
214 select CPU_FREQ_TABLE
217 This adds the CPUFreq driver support for SPEAr SOCs.
219 config ARM_TEGRA_CPUFREQ
220 bool
"TEGRA CPUFreq support"
221 depends on ARCH_TEGRA
222 select CPU_FREQ_TABLE
225 This adds the CPUFreq driver support for TEGRA SOCs.