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Commit | Line | Data |
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f7d77079 KK |
1 | # |
2 | # ARM CPU Frequency scaling drivers | |
3 | # | |
4 | ||
3b84d58d | 5 | # big LITTLE core layer and glue drivers |
8a67f0ef | 6 | config ARM_BIG_LITTLE_CPUFREQ |
99af7711 | 7 | tristate "Generic ARM big LITTLE CPUfreq driver" |
14730145 | 8 | depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK |
109df086 | 9 | select PM_OPP |
99af7711 VK |
10 | help |
11 | This enables the Generic CPUfreq driver for ARM big.LITTLE platforms. | |
8a67f0ef VK |
12 | |
13 | config ARM_DT_BL_CPUFREQ | |
99af7711 VK |
14 | tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" |
15 | depends on ARM_BIG_LITTLE_CPUFREQ && OF | |
8a67f0ef | 16 | help |
99af7711 VK |
17 | This enables probing via DT for Generic CPUfreq driver for ARM |
18 | big.LITTLE platform. This gets frequency tables from DT. | |
8a67f0ef | 19 | |
3b84d58d | 20 | config ARM_VEXPRESS_SPC_CPUFREQ |
21 | tristate "Versatile Express SPC based CPUfreq driver" | |
22 | depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC | |
23 | help | |
24 | This add the CPUfreq driver support for Versatile Express | |
25 | big.LITTLE platforms using SPC for power management. | |
26 | ||
8b2b4a4e AB |
27 | config ARM_EXYNOS5440_CPUFREQ |
28 | tristate "SAMSUNG EXYNOS5440" | |
29 | depends on SOC_EXYNOS5440 | |
30 | depends on HAVE_CLK && OF | |
31 | select PM_OPP | |
32 | default y | |
33 | help | |
34 | This adds the CPUFreq driver for Samsung EXYNOS5440 | |
35 | SoC. The nature of exynos5440 clock controller is | |
36 | different than previous exynos controllers so not using | |
37 | the common exynos framework. | |
38 | ||
39 | If in doubt, say N. | |
40 | ||
a0ea048a VK |
41 | config ARM_HIGHBANK_CPUFREQ |
42 | tristate "Calxeda Highbank-based" | |
bbcf0719 | 43 | depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR |
a0ea048a VK |
44 | default m |
45 | help | |
46 | This adds the CPUFreq driver for Calxeda Highbank SoC | |
47 | based boards. | |
48 | ||
49 | If in doubt, say N. | |
50 | ||
5acb972f LY |
51 | config ARM_HISI_ACPU_CPUFREQ |
52 | tristate "Hisilicon ACPU CPUfreq driver" | |
53 | depends on ARCH_HISI && CPUFREQ_DT | |
54 | select PM_OPP | |
55 | help | |
56 | This enables the hisilicon ACPU CPUfreq driver. | |
57 | ||
58 | If in doubt, say N. | |
59 | ||
a0ea048a | 60 | config ARM_IMX6Q_CPUFREQ |
1d0eaae9 SG |
61 | tristate "Freescale i.MX6 cpufreq support" |
62 | depends on ARCH_MXC | |
a0ea048a | 63 | depends on REGULATOR_ANATOP |
7e021687 | 64 | select PM_OPP |
a0ea048a | 65 | help |
1d0eaae9 | 66 | This adds cpufreq driver support for Freescale i.MX6 series SoCs. |
a0ea048a VK |
67 | |
68 | If in doubt, say N. | |
69 | ||
b7e614c8 VK |
70 | config ARM_INTEGRATOR |
71 | tristate "CPUfreq driver for ARM Integrator CPUs" | |
72 | depends on ARCH_INTEGRATOR | |
73 | default y | |
74 | help | |
75 | This enables the CPUfreq driver for ARM Integrator CPUs. | |
76 | If in doubt, say Y. | |
77 | ||
a0ea048a | 78 | config ARM_KIRKWOOD_CPUFREQ |
6c8df11d | 79 | def_bool MACH_KIRKWOOD |
a0ea048a VK |
80 | help |
81 | This adds the CPUFreq driver for Marvell Kirkwood | |
82 | SoCs. | |
83 | ||
1453863f PCC |
84 | config ARM_MT8173_CPUFREQ |
85 | bool "Mediatek MT8173 CPUFreq support" | |
86 | depends on ARCH_MEDIATEK && REGULATOR | |
5269e706 | 87 | depends on !CPU_THERMAL || THERMAL=y |
1453863f PCC |
88 | select PM_OPP |
89 | help | |
90 | This adds the CPUFreq driver support for Mediatek MT8173 SoC. | |
91 | ||
b09db45c RK |
92 | config ARM_OMAP2PLUS_CPUFREQ |
93 | bool "TI OMAP2+" | |
2d59dcfb | 94 | depends on ARCH_OMAP2PLUS |
b09db45c | 95 | default ARCH_OMAP2PLUS |
b09db45c | 96 | |
f023f8dd VK |
97 | config ARM_S3C_CPUFREQ |
98 | bool | |
99 | help | |
100 | Internal configuration node for common cpufreq on Samsung SoC | |
101 | ||
102 | config ARM_S3C24XX_CPUFREQ | |
103 | bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" | |
104 | depends on ARCH_S3C24XX | |
105 | select ARM_S3C_CPUFREQ | |
106 | help | |
107 | This enables the CPUfreq driver for the Samsung S3C24XX family | |
108 | of CPUs. | |
109 | ||
110 | For details, take a look at <file:Documentation/cpu-freq>. | |
111 | ||
112 | If in doubt, say N. | |
113 | ||
114 | config ARM_S3C24XX_CPUFREQ_DEBUG | |
115 | bool "Debug CPUfreq Samsung driver core" | |
116 | depends on ARM_S3C24XX_CPUFREQ | |
117 | help | |
118 | Enable s3c_freq_dbg for the Samsung S3C CPUfreq core | |
119 | ||
120 | config ARM_S3C24XX_CPUFREQ_IODEBUG | |
121 | bool "Debug CPUfreq Samsung driver IO timing" | |
122 | depends on ARM_S3C24XX_CPUFREQ | |
123 | help | |
124 | Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core | |
125 | ||
126 | config ARM_S3C24XX_CPUFREQ_DEBUGFS | |
127 | bool "Export debugfs for CPUFreq" | |
128 | depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS | |
129 | help | |
130 | Export status information via debugfs. | |
131 | ||
132 | config ARM_S3C2410_CPUFREQ | |
133 | bool | |
134 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 | |
135 | select S3C2410_CPUFREQ_UTILS | |
136 | help | |
137 | CPU Frequency scaling support for S3C2410 | |
138 | ||
139 | config ARM_S3C2412_CPUFREQ | |
140 | bool | |
141 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 | |
142 | default y | |
143 | select S3C2412_IOTIMING | |
144 | help | |
145 | CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. | |
146 | ||
34ee5507 HS |
147 | config ARM_S3C2416_CPUFREQ |
148 | bool "S3C2416 CPU Frequency scaling support" | |
149 | depends on CPU_S3C2416 | |
150 | help | |
151 | This adds the CPUFreq driver for the Samsung S3C2416 and | |
152 | S3C2450 SoC. The S3C2416 supports changing the rate of the | |
153 | armdiv clock source and also entering a so called dynamic | |
154 | voltage scaling mode in which it is possible to reduce the | |
735dc249 | 155 | core voltage of the CPU. |
34ee5507 HS |
156 | |
157 | If in doubt, say N. | |
158 | ||
159 | config ARM_S3C2416_CPUFREQ_VCORESCALE | |
0f194b56 KC |
160 | bool "Allow voltage scaling for S3C2416 arm core" |
161 | depends on ARM_S3C2416_CPUFREQ && REGULATOR | |
34ee5507 HS |
162 | help |
163 | Enable CPU voltage scaling when entering the dvs mode. | |
164 | It uses information gathered through existing hardware and | |
165 | tests but not documented in any datasheet. | |
166 | ||
167 | If in doubt, say N. | |
168 | ||
f023f8dd VK |
169 | config ARM_S3C2440_CPUFREQ |
170 | bool "S3C2440/S3C2442 CPU Frequency scaling support" | |
171 | depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) | |
172 | select S3C2410_CPUFREQ_UTILS | |
173 | default y | |
174 | help | |
175 | CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. | |
176 | ||
15964d38 KK |
177 | config ARM_S3C64XX_CPUFREQ |
178 | bool "Samsung S3C64XX" | |
179 | depends on CPU_S3C6410 | |
180 | default y | |
181 | help | |
182 | This adds the CPUFreq driver for Samsung S3C6410 SoC. | |
183 | ||
184 | If in doubt, say N. | |
185 | ||
f7d77079 KK |
186 | config ARM_S5PV210_CPUFREQ |
187 | bool "Samsung S5PV210 and S5PC110" | |
188 | depends on CPU_S5PV210 | |
189 | default y | |
190 | help | |
191 | This adds the CPUFreq driver for Samsung S5PV210 and | |
192 | S5PC110 SoCs. | |
193 | ||
194 | If in doubt, say N. | |
195 | ||
59a2e613 VK |
196 | config ARM_SA1100_CPUFREQ |
197 | bool | |
198 | ||
199 | config ARM_SA1110_CPUFREQ | |
200 | bool | |
201 | ||
8def3103 SH |
202 | config ARM_SCPI_CPUFREQ |
203 | tristate "SCPI based CPUfreq driver" | |
204 | depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL | |
205 | help | |
206 | This adds the CPUfreq driver support for ARM big.LITTLE platforms | |
207 | using SCPI protocol for CPU power management. | |
208 | ||
209 | This driver uses SCPI Message Protocol driver to interact with the | |
210 | firmware providing the CPU DVFS functionality. | |
211 | ||
42099322 DS |
212 | config ARM_SPEAR_CPUFREQ |
213 | bool "SPEAr CPUFreq support" | |
214 | depends on PLAT_SPEAR | |
215 | default y | |
216 | help | |
217 | This adds the CPUFreq driver support for SPEAr SOCs. | |
dbb8d76e | 218 | |
109e13ea TT |
219 | config ARM_TEGRA20_CPUFREQ |
220 | bool "Tegra20 CPUFreq support" | |
dbb8d76e | 221 | depends on ARCH_TEGRA |
dbb8d76e VK |
222 | default y |
223 | help | |
109e13ea | 224 | This adds the CPUFreq driver support for Tegra20 SOCs. |
608eab22 | 225 | |
9eb15dbb TT |
226 | config ARM_TEGRA124_CPUFREQ |
227 | tristate "Tegra124 CPUFreq support" | |
228 | depends on ARCH_TEGRA && CPUFREQ_DT | |
229 | default y | |
230 | help | |
231 | This adds the CPUFreq driver support for Tegra124 SOCs. | |
232 | ||
608eab22 PC |
233 | config ARM_PXA2xx_CPUFREQ |
234 | tristate "Intel PXA2xx CPUfreq driver" | |
235 | depends on PXA27x || PXA25x | |
236 | help | |
237 | This add the CPUFreq driver support for Intel PXA2xx SOCs. | |
238 | ||
239 | If in doubt, say N. | |
5477fb3b AC |
240 | |
241 | config ACPI_CPPC_CPUFREQ | |
242 | tristate "CPUFreq driver based on the ACPI CPPC spec" | |
243 | depends on ACPI | |
244 | select ACPI_CPPC_LIB | |
245 | default n | |
246 | help | |
247 | This adds a CPUFreq driver which uses CPPC methods | |
248 | as described in the ACPIv5.1 spec. CPPC stands for | |
249 | Collaborative Processor Performance Controls. It | |
250 | is based on an abstract continuous scale of CPU | |
251 | performance values which allows the remote power | |
252 | processor to flexibly optimize for power and | |
253 | performance. CPPC relies on power management firmware | |
254 | support for its operation. | |
255 | ||
256 | If in doubt, say N. |