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 |
2f7e8a17 PA |
9 | # if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y |
10 | depends on !CPU_THERMAL || THERMAL | |
109df086 | 11 | select PM_OPP |
99af7711 VK |
12 | help |
13 | This enables the Generic CPUfreq driver for ARM big.LITTLE platforms. | |
8a67f0ef VK |
14 | |
15 | config ARM_DT_BL_CPUFREQ | |
99af7711 VK |
16 | tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" |
17 | depends on ARM_BIG_LITTLE_CPUFREQ && OF | |
8a67f0ef | 18 | help |
99af7711 VK |
19 | This enables probing via DT for Generic CPUfreq driver for ARM |
20 | big.LITTLE platform. This gets frequency tables from DT. | |
8a67f0ef | 21 | |
3b84d58d | 22 | config ARM_VEXPRESS_SPC_CPUFREQ |
23 | tristate "Versatile Express SPC based CPUfreq driver" | |
24 | depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC | |
25 | help | |
26 | This add the CPUfreq driver support for Versatile Express | |
27 | big.LITTLE platforms using SPC for power management. | |
28 | ||
8b2b4a4e AB |
29 | config ARM_EXYNOS5440_CPUFREQ |
30 | tristate "SAMSUNG EXYNOS5440" | |
31 | depends on SOC_EXYNOS5440 | |
32 | depends on HAVE_CLK && OF | |
33 | select PM_OPP | |
34 | default y | |
35 | help | |
36 | This adds the CPUFreq driver for Samsung EXYNOS5440 | |
37 | SoC. The nature of exynos5440 clock controller is | |
38 | different than previous exynos controllers so not using | |
39 | the common exynos framework. | |
40 | ||
41 | If in doubt, say N. | |
42 | ||
a0ea048a VK |
43 | config ARM_HIGHBANK_CPUFREQ |
44 | tristate "Calxeda Highbank-based" | |
bbcf0719 | 45 | depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR |
a0ea048a VK |
46 | default m |
47 | help | |
48 | This adds the CPUFreq driver for Calxeda Highbank SoC | |
49 | based boards. | |
50 | ||
51 | If in doubt, say N. | |
52 | ||
53 | config ARM_IMX6Q_CPUFREQ | |
1d0eaae9 SG |
54 | tristate "Freescale i.MX6 cpufreq support" |
55 | depends on ARCH_MXC | |
a0ea048a | 56 | depends on REGULATOR_ANATOP |
7e021687 | 57 | select PM_OPP |
a0ea048a | 58 | help |
1d0eaae9 | 59 | This adds cpufreq driver support for Freescale i.MX6 series SoCs. |
a0ea048a VK |
60 | |
61 | If in doubt, say N. | |
62 | ||
b7e614c8 VK |
63 | config ARM_INTEGRATOR |
64 | tristate "CPUfreq driver for ARM Integrator CPUs" | |
65 | depends on ARCH_INTEGRATOR | |
66 | default y | |
67 | help | |
68 | This enables the CPUfreq driver for ARM Integrator CPUs. | |
69 | If in doubt, say Y. | |
70 | ||
a0ea048a | 71 | config ARM_KIRKWOOD_CPUFREQ |
6c8df11d | 72 | def_bool MACH_KIRKWOOD |
a0ea048a VK |
73 | help |
74 | This adds the CPUFreq driver for Marvell Kirkwood | |
75 | SoCs. | |
76 | ||
1453863f | 77 | config ARM_MT8173_CPUFREQ |
3c2002ae | 78 | tristate "Mediatek MT8173 CPUFreq support" |
1453863f | 79 | depends on ARCH_MEDIATEK && REGULATOR |
2d4ee303 | 80 | depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST) |
3c2002ae | 81 | depends on !CPU_THERMAL || THERMAL |
1453863f PCC |
82 | select PM_OPP |
83 | help | |
84 | This adds the CPUFreq driver support for Mediatek MT8173 SoC. | |
85 | ||
b09db45c RK |
86 | config ARM_OMAP2PLUS_CPUFREQ |
87 | bool "TI OMAP2+" | |
2d59dcfb | 88 | depends on ARCH_OMAP2PLUS |
b09db45c | 89 | default ARCH_OMAP2PLUS |
b09db45c | 90 | |
f023f8dd VK |
91 | config ARM_S3C_CPUFREQ |
92 | bool | |
93 | help | |
94 | Internal configuration node for common cpufreq on Samsung SoC | |
95 | ||
96 | config ARM_S3C24XX_CPUFREQ | |
97 | bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" | |
98 | depends on ARCH_S3C24XX | |
99 | select ARM_S3C_CPUFREQ | |
100 | help | |
101 | This enables the CPUfreq driver for the Samsung S3C24XX family | |
102 | of CPUs. | |
103 | ||
104 | For details, take a look at <file:Documentation/cpu-freq>. | |
105 | ||
106 | If in doubt, say N. | |
107 | ||
108 | config ARM_S3C24XX_CPUFREQ_DEBUG | |
109 | bool "Debug CPUfreq Samsung driver core" | |
110 | depends on ARM_S3C24XX_CPUFREQ | |
111 | help | |
112 | Enable s3c_freq_dbg for the Samsung S3C CPUfreq core | |
113 | ||
114 | config ARM_S3C24XX_CPUFREQ_IODEBUG | |
115 | bool "Debug CPUfreq Samsung driver IO timing" | |
116 | depends on ARM_S3C24XX_CPUFREQ | |
117 | help | |
118 | Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core | |
119 | ||
120 | config ARM_S3C24XX_CPUFREQ_DEBUGFS | |
121 | bool "Export debugfs for CPUFreq" | |
122 | depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS | |
123 | help | |
124 | Export status information via debugfs. | |
125 | ||
126 | config ARM_S3C2410_CPUFREQ | |
127 | bool | |
128 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 | |
129 | select S3C2410_CPUFREQ_UTILS | |
130 | help | |
131 | CPU Frequency scaling support for S3C2410 | |
132 | ||
133 | config ARM_S3C2412_CPUFREQ | |
134 | bool | |
135 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 | |
136 | default y | |
137 | select S3C2412_IOTIMING | |
138 | help | |
139 | CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. | |
140 | ||
34ee5507 HS |
141 | config ARM_S3C2416_CPUFREQ |
142 | bool "S3C2416 CPU Frequency scaling support" | |
143 | depends on CPU_S3C2416 | |
144 | help | |
145 | This adds the CPUFreq driver for the Samsung S3C2416 and | |
146 | S3C2450 SoC. The S3C2416 supports changing the rate of the | |
147 | armdiv clock source and also entering a so called dynamic | |
148 | voltage scaling mode in which it is possible to reduce the | |
735dc249 | 149 | core voltage of the CPU. |
34ee5507 HS |
150 | |
151 | If in doubt, say N. | |
152 | ||
153 | config ARM_S3C2416_CPUFREQ_VCORESCALE | |
0f194b56 KC |
154 | bool "Allow voltage scaling for S3C2416 arm core" |
155 | depends on ARM_S3C2416_CPUFREQ && REGULATOR | |
34ee5507 HS |
156 | help |
157 | Enable CPU voltage scaling when entering the dvs mode. | |
158 | It uses information gathered through existing hardware and | |
159 | tests but not documented in any datasheet. | |
160 | ||
161 | If in doubt, say N. | |
162 | ||
f023f8dd VK |
163 | config ARM_S3C2440_CPUFREQ |
164 | bool "S3C2440/S3C2442 CPU Frequency scaling support" | |
165 | depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) | |
166 | select S3C2410_CPUFREQ_UTILS | |
167 | default y | |
168 | help | |
169 | CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. | |
170 | ||
15964d38 KK |
171 | config ARM_S3C64XX_CPUFREQ |
172 | bool "Samsung S3C64XX" | |
173 | depends on CPU_S3C6410 | |
174 | default y | |
175 | help | |
176 | This adds the CPUFreq driver for Samsung S3C6410 SoC. | |
177 | ||
178 | If in doubt, say N. | |
179 | ||
f7d77079 KK |
180 | config ARM_S5PV210_CPUFREQ |
181 | bool "Samsung S5PV210 and S5PC110" | |
182 | depends on CPU_S5PV210 | |
183 | default y | |
184 | help | |
185 | This adds the CPUFreq driver for Samsung S5PV210 and | |
186 | S5PC110 SoCs. | |
187 | ||
188 | If in doubt, say N. | |
189 | ||
59a2e613 VK |
190 | config ARM_SA1100_CPUFREQ |
191 | bool | |
192 | ||
193 | config ARM_SA1110_CPUFREQ | |
194 | bool | |
195 | ||
8def3103 SH |
196 | config ARM_SCPI_CPUFREQ |
197 | tristate "SCPI based CPUfreq driver" | |
73124ced | 198 | depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI |
8def3103 SH |
199 | help |
200 | This adds the CPUfreq driver support for ARM big.LITTLE platforms | |
201 | using SCPI protocol for CPU power management. | |
202 | ||
203 | This driver uses SCPI Message Protocol driver to interact with the | |
204 | firmware providing the CPU DVFS functionality. | |
205 | ||
42099322 DS |
206 | config ARM_SPEAR_CPUFREQ |
207 | bool "SPEAr CPUFreq support" | |
208 | depends on PLAT_SPEAR | |
209 | default y | |
210 | help | |
211 | This adds the CPUFreq driver support for SPEAr SOCs. | |
dbb8d76e | 212 | |
ab0ea257 LJ |
213 | config ARM_STI_CPUFREQ |
214 | tristate "STi CPUFreq support" | |
215 | depends on SOC_STIH407 | |
216 | help | |
217 | This driver uses the generic OPP framework to match the running | |
218 | platform with a predefined set of suitable values. If not provided | |
219 | we will fall-back so safe-values contained in Device Tree. Enable | |
220 | this config option if you wish to add CPUFreq support for STi based | |
221 | SoCs. | |
222 | ||
109e13ea TT |
223 | config ARM_TEGRA20_CPUFREQ |
224 | bool "Tegra20 CPUFreq support" | |
dbb8d76e | 225 | depends on ARCH_TEGRA |
dbb8d76e VK |
226 | default y |
227 | help | |
109e13ea | 228 | This adds the CPUFreq driver support for Tegra20 SOCs. |
608eab22 | 229 | |
9eb15dbb TT |
230 | config ARM_TEGRA124_CPUFREQ |
231 | tristate "Tegra124 CPUFreq support" | |
b5832e4b | 232 | depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR |
9eb15dbb TT |
233 | default y |
234 | help | |
235 | This adds the CPUFreq driver support for Tegra124 SOCs. | |
236 | ||
608eab22 PC |
237 | config ARM_PXA2xx_CPUFREQ |
238 | tristate "Intel PXA2xx CPUfreq driver" | |
239 | depends on PXA27x || PXA25x | |
240 | help | |
241 | This add the CPUFreq driver support for Intel PXA2xx SOCs. | |
242 | ||
243 | If in doubt, say N. | |
5477fb3b AC |
244 | |
245 | config ACPI_CPPC_CPUFREQ | |
246 | tristate "CPUFreq driver based on the ACPI CPPC spec" | |
247 | depends on ACPI | |
248 | select ACPI_CPPC_LIB | |
249 | default n | |
250 | help | |
251 | This adds a CPUFreq driver which uses CPPC methods | |
252 | as described in the ACPIv5.1 spec. CPPC stands for | |
253 | Collaborative Processor Performance Controls. It | |
254 | is based on an abstract continuous scale of CPU | |
255 | performance values which allows the remote power | |
256 | processor to flexibly optimize for power and | |
257 | performance. CPPC relies on power management firmware | |
258 | support for its operation. | |
259 | ||
260 | If in doubt, say N. |