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review.linaro.org / kernel / linux-linaro-stable.git / 9a5fed19b029d3c0ba22444d69f4422459b870be / . / drivers / cpufreq / Kconfig.arm
blob: 8327444b76cb58abaa0d22e9f6c3bf192f66fda0 [file] [log] [blame]
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]1#
2# ARM CPU Frequency scaling drivers
3#
4
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]5config ARM_BIG_LITTLE_CPUFREQ
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]6 tristate "Generic ARM big LITTLE CPUfreq driver"
Viresh Kumardd30bf62013-04-29 14:07:37 +0530[diff] [blame]7 depends on ARM_CPU_TOPOLOGY && PM_OPP && HAVE_CLK && BIG_LITTLE
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]8 help
9 This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]10
11config ARM_DT_BL_CPUFREQ
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]12 tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
13 depends on ARM_BIG_LITTLE_CPUFREQ && OF
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]14 help
Viresh Kumar99af7712013-05-04 12:03:54 +0530[diff] [blame]15 This enables probing via DT for Generic CPUfreq driver for ARM
16 big.LITTLE platform. This gets frequency tables from DT.
Viresh Kumar8a67f0e2013-04-01 12:57:49 +0000[diff] [blame]17
Viresh Kumar51939512013-04-29 14:49:50 +0530[diff] [blame]18config ARM_VEXPRESS_BL_CPUFREQ
19 tristate "ARM Vexpress big LITTLE CPUfreq driver"
20 select ARM_BIG_LITTLE_CPUFREQ
Jon Medhurst9a5fed12013-05-31 15:12:16 +0100[diff] [blame^]21 depends on VEXPRESS_SPC
Viresh Kumar51939512013-04-29 14:49:50 +0530[diff] [blame]22 help
23 This enables the CPUfreq driver for ARM Vexpress big.LITTLE platform.
24 If in doubt, say N.
25
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]26config ARM_EXYNOS_CPUFREQ
27 bool "SAMSUNG EXYNOS SoCs"
28 depends on ARCH_EXYNOS
29 default y
30 help
31 This adds the CPUFreq driver common part for Samsung
32 EXYNOS SoCs.
33
34 If in doubt, say N.
35
36config ARM_EXYNOS4210_CPUFREQ
37 def_bool CPU_EXYNOS4210
38 help
39 This adds the CPUFreq driver for Samsung EXYNOS4210
40 SoC (S5PV310 or S5PC210).
41
42config ARM_EXYNOS4X12_CPUFREQ
43 def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412)
44 help
45 This adds the CPUFreq driver for Samsung EXYNOS4X12
46 SoC (EXYNOS4212 or EXYNOS4412).
47
48config ARM_EXYNOS5250_CPUFREQ
49 def_bool SOC_EXYNOS5250
50 help
51 This adds the CPUFreq driver for Samsung EXYNOS5250
52 SoC.
53
Amit Daniel Kachhap49d7b5b2013-04-08 09:57:34 +0000[diff] [blame]54config ARM_EXYNOS5440_CPUFREQ
55 def_bool SOC_EXYNOS5440
56 depends on HAVE_CLK && PM_OPP && OF
57 help
58 This adds the CPUFreq driver for Samsung EXYNOS5440
59 SoC. The nature of exynos5440 clock controller is
60 different than previous exynos controllers so not using
61 the common exynos framework.
62
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]63config ARM_HIGHBANK_CPUFREQ
64 tristate "Calxeda Highbank-based"
65 depends on ARCH_HIGHBANK
66 select CPU_FREQ_TABLE
67 select GENERIC_CPUFREQ_CPU0
68 select PM_OPP
69 select REGULATOR
70
71 default m
72 help
73 This adds the CPUFreq driver for Calxeda Highbank SoC
74 based boards.
75
76 If in doubt, say N.
77
78config ARM_IMX6Q_CPUFREQ
79 tristate "Freescale i.MX6Q cpufreq support"
80 depends on SOC_IMX6Q
81 depends on REGULATOR_ANATOP
82 help
83 This adds cpufreq driver support for Freescale i.MX6Q SOC.
84
85 If in doubt, say N.
86
Viresh Kumarb7e614c2013-04-04 12:54:14 +0000[diff] [blame]87config ARM_INTEGRATOR
88 tristate "CPUfreq driver for ARM Integrator CPUs"
89 depends on ARCH_INTEGRATOR
90 default y
91 help
92 This enables the CPUfreq driver for ARM Integrator CPUs.
93 If in doubt, say Y.
94
Viresh Kumara0ea0482013-04-04 12:54:09 +0000[diff] [blame]95config ARM_KIRKWOOD_CPUFREQ
96 def_bool ARCH_KIRKWOOD && OF
97 help
98 This adds the CPUFreq driver for Marvell Kirkwood
99 SoCs.
100
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]101config ARM_OMAP2PLUS_CPUFREQ
102 bool "TI OMAP2+"
Kevin Hilman2d59dcf2012-04-13 13:32:30 -0700[diff] [blame]103 depends on ARCH_OMAP2PLUS
Russell Kingb09db452012-02-15 11:01:11 -0800[diff] [blame]104 default ARCH_OMAP2PLUS
105 select CPU_FREQ_TABLE
106
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]107config ARM_S3C2416_CPUFREQ
108 bool "S3C2416 CPU Frequency scaling support"
109 depends on CPU_S3C2416
110 help
111 This adds the CPUFreq driver for the Samsung S3C2416 and
112 S3C2450 SoC. The S3C2416 supports changing the rate of the
113 armdiv clock source and also entering a so called dynamic
114 voltage scaling mode in which it is possible to reduce the
115 core voltage of the cpu.
116
117 If in doubt, say N.
118
119config ARM_S3C2416_CPUFREQ_VCORESCALE
Kees Cook0f194b52012-10-02 11:16:53 -0700[diff] [blame]120 bool "Allow voltage scaling for S3C2416 arm core"
121 depends on ARM_S3C2416_CPUFREQ && REGULATOR
Heiko Stübner34ee55072012-02-16 11:42:32 +0100[diff] [blame]122 help
123 Enable CPU voltage scaling when entering the dvs mode.
124 It uses information gathered through existing hardware and
125 tests but not documented in any datasheet.
126
127 If in doubt, say N.
128
Kukjin Kim15964d32011-06-06 18:43:01 -0700[diff] [blame]129config ARM_S3C64XX_CPUFREQ
130 bool "Samsung S3C64XX"
131 depends on CPU_S3C6410
132 default y
133 help
134 This adds the CPUFreq driver for Samsung S3C6410 SoC.
135
136 If in doubt, say N.
137
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]138config ARM_S5PV210_CPUFREQ
139 bool "Samsung S5PV210 and S5PC110"
140 depends on CPU_S5PV210
Chen Gang5eed1982013-04-24 11:04:48 +0000[diff] [blame]141 select CPU_FREQ_TABLE
Kukjin Kimf7d77072011-06-01 14:18:22 -0700[diff] [blame]142 default y
143 help
144 This adds the CPUFreq driver for Samsung S5PV210 and
145 S5PC110 SoCs.
146
147 If in doubt, say N.
148
Viresh Kumar59a2e612013-04-04 12:54:16 +0000[diff] [blame]149config ARM_SA1100_CPUFREQ
150 bool
151
152config ARM_SA1110_CPUFREQ
153 bool
154
Deepak Sikri42099322012-11-27 14:05:26 +0100[diff] [blame]155config ARM_SPEAR_CPUFREQ
156 bool "SPEAr CPUFreq support"
157 depends on PLAT_SPEAR
158 default y
159 help
160 This adds the CPUFreq driver support for SPEAr SOCs.