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 | 14 | |
de322e08 MM |
15 | config ARM_BRCMSTB_AVS_CPUFREQ |
16 | tristate "Broadcom STB AVS CPUfreq driver" | |
17 | depends on ARCH_BRCMSTB || COMPILE_TEST | |
18 | default y | |
19 | help | |
20 | Some Broadcom STB SoCs use a co-processor running proprietary firmware | |
21 | ("AVS") to handle voltage and frequency scaling. This driver provides | |
22 | a standard CPUfreq interface to to the firmware. | |
23 | ||
24 | Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS. | |
25 | ||
33de45c1 MM |
26 | config ARM_BRCMSTB_AVS_CPUFREQ_DEBUG |
27 | bool "Broadcom STB AVS CPUfreq driver sysfs debug capability" | |
28 | depends on ARM_BRCMSTB_AVS_CPUFREQ | |
29 | help | |
30 | Enabling this option turns on debug support via sysfs under | |
31 | /sys/kernel/debug/brcmstb-avs-cpufreq. It is possible to read all and | |
32 | write some AVS mailbox registers through sysfs entries. | |
33 | ||
34 | If in doubt, say N. | |
35 | ||
8a67f0ef | 36 | config ARM_DT_BL_CPUFREQ |
99af7711 VK |
37 | tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" |
38 | depends on ARM_BIG_LITTLE_CPUFREQ && OF | |
8a67f0ef | 39 | help |
99af7711 VK |
40 | This enables probing via DT for Generic CPUfreq driver for ARM |
41 | big.LITTLE platform. This gets frequency tables from DT. | |
8a67f0ef | 42 | |
3b84d58d | 43 | config ARM_VEXPRESS_SPC_CPUFREQ |
44 | tristate "Versatile Express SPC based CPUfreq driver" | |
45 | depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC | |
46 | help | |
47 | This add the CPUfreq driver support for Versatile Express | |
48 | big.LITTLE platforms using SPC for power management. | |
49 | ||
8b2b4a4e AB |
50 | config ARM_EXYNOS5440_CPUFREQ |
51 | tristate "SAMSUNG EXYNOS5440" | |
52 | depends on SOC_EXYNOS5440 | |
53 | depends on HAVE_CLK && OF | |
54 | select PM_OPP | |
55 | default y | |
56 | help | |
57 | This adds the CPUFreq driver for Samsung EXYNOS5440 | |
58 | SoC. The nature of exynos5440 clock controller is | |
59 | different than previous exynos controllers so not using | |
60 | the common exynos framework. | |
61 | ||
62 | If in doubt, say N. | |
63 | ||
a0ea048a VK |
64 | config ARM_HIGHBANK_CPUFREQ |
65 | tristate "Calxeda Highbank-based" | |
bbcf0719 | 66 | depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR |
a0ea048a VK |
67 | default m |
68 | help | |
69 | This adds the CPUFreq driver for Calxeda Highbank SoC | |
70 | based boards. | |
71 | ||
72 | If in doubt, say N. | |
73 | ||
74 | config ARM_IMX6Q_CPUFREQ | |
1d0eaae9 SG |
75 | tristate "Freescale i.MX6 cpufreq support" |
76 | depends on ARCH_MXC | |
a0ea048a | 77 | depends on REGULATOR_ANATOP |
7e021687 | 78 | select PM_OPP |
a0ea048a | 79 | help |
1d0eaae9 | 80 | This adds cpufreq driver support for Freescale i.MX6 series SoCs. |
a0ea048a VK |
81 | |
82 | If in doubt, say N. | |
83 | ||
84 | config ARM_KIRKWOOD_CPUFREQ | |
6c8df11d | 85 | def_bool MACH_KIRKWOOD |
a0ea048a VK |
86 | help |
87 | This adds the CPUFreq driver for Marvell Kirkwood | |
88 | SoCs. | |
89 | ||
1453863f | 90 | config ARM_MT8173_CPUFREQ |
3c2002ae | 91 | tristate "Mediatek MT8173 CPUFreq support" |
1453863f | 92 | depends on ARCH_MEDIATEK && REGULATOR |
2d4ee303 | 93 | depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST) |
3c2002ae | 94 | depends on !CPU_THERMAL || THERMAL |
1453863f PCC |
95 | select PM_OPP |
96 | help | |
97 | This adds the CPUFreq driver support for Mediatek MT8173 SoC. | |
98 | ||
b09db45c RK |
99 | config ARM_OMAP2PLUS_CPUFREQ |
100 | bool "TI OMAP2+" | |
2d59dcfb | 101 | depends on ARCH_OMAP2PLUS |
b09db45c | 102 | default ARCH_OMAP2PLUS |
b09db45c | 103 | |
f023f8dd VK |
104 | config ARM_S3C_CPUFREQ |
105 | bool | |
106 | help | |
107 | Internal configuration node for common cpufreq on Samsung SoC | |
108 | ||
109 | config ARM_S3C24XX_CPUFREQ | |
110 | bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" | |
111 | depends on ARCH_S3C24XX | |
112 | select ARM_S3C_CPUFREQ | |
113 | help | |
114 | This enables the CPUfreq driver for the Samsung S3C24XX family | |
115 | of CPUs. | |
116 | ||
117 | For details, take a look at <file:Documentation/cpu-freq>. | |
118 | ||
119 | If in doubt, say N. | |
120 | ||
121 | config ARM_S3C24XX_CPUFREQ_DEBUG | |
122 | bool "Debug CPUfreq Samsung driver core" | |
123 | depends on ARM_S3C24XX_CPUFREQ | |
124 | help | |
125 | Enable s3c_freq_dbg for the Samsung S3C CPUfreq core | |
126 | ||
127 | config ARM_S3C24XX_CPUFREQ_IODEBUG | |
128 | bool "Debug CPUfreq Samsung driver IO timing" | |
129 | depends on ARM_S3C24XX_CPUFREQ | |
130 | help | |
131 | Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core | |
132 | ||
133 | config ARM_S3C24XX_CPUFREQ_DEBUGFS | |
134 | bool "Export debugfs for CPUFreq" | |
135 | depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS | |
136 | help | |
137 | Export status information via debugfs. | |
138 | ||
139 | config ARM_S3C2410_CPUFREQ | |
140 | bool | |
141 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 | |
142 | select S3C2410_CPUFREQ_UTILS | |
143 | help | |
144 | CPU Frequency scaling support for S3C2410 | |
145 | ||
146 | config ARM_S3C2412_CPUFREQ | |
147 | bool | |
148 | depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 | |
149 | default y | |
150 | select S3C2412_IOTIMING | |
151 | help | |
152 | CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. | |
153 | ||
34ee5507 HS |
154 | config ARM_S3C2416_CPUFREQ |
155 | bool "S3C2416 CPU Frequency scaling support" | |
156 | depends on CPU_S3C2416 | |
157 | help | |
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 | |
735dc249 | 162 | core voltage of the CPU. |
34ee5507 HS |
163 | |
164 | If in doubt, say N. | |
165 | ||
166 | config ARM_S3C2416_CPUFREQ_VCORESCALE | |
0f194b56 KC |
167 | bool "Allow voltage scaling for S3C2416 arm core" |
168 | depends on ARM_S3C2416_CPUFREQ && REGULATOR | |
34ee5507 HS |
169 | help |
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. | |
173 | ||
174 | If in doubt, say N. | |
175 | ||
f023f8dd VK |
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 | |
180 | default y | |
181 | help | |
182 | CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. | |
183 | ||
15964d38 KK |
184 | config ARM_S3C64XX_CPUFREQ |
185 | bool "Samsung S3C64XX" | |
186 | depends on CPU_S3C6410 | |
187 | default y | |
188 | help | |
189 | This adds the CPUFreq driver for Samsung S3C6410 SoC. | |
190 | ||
191 | If in doubt, say N. | |
192 | ||
f7d77079 KK |
193 | config ARM_S5PV210_CPUFREQ |
194 | bool "Samsung S5PV210 and S5PC110" | |
195 | depends on CPU_S5PV210 | |
196 | default y | |
197 | help | |
198 | This adds the CPUFreq driver for Samsung S5PV210 and | |
199 | S5PC110 SoCs. | |
200 | ||
201 | If in doubt, say N. | |
202 | ||
59a2e613 VK |
203 | config ARM_SA1100_CPUFREQ |
204 | bool | |
205 | ||
206 | config ARM_SA1110_CPUFREQ | |
207 | bool | |
208 | ||
8def3103 SH |
209 | config ARM_SCPI_CPUFREQ |
210 | tristate "SCPI based CPUfreq driver" | |
73124ced | 211 | depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI |
8def3103 SH |
212 | help |
213 | This adds the CPUfreq driver support for ARM big.LITTLE platforms | |
214 | using SCPI protocol for CPU power management. | |
215 | ||
216 | This driver uses SCPI Message Protocol driver to interact with the | |
217 | firmware providing the CPU DVFS functionality. | |
218 | ||
42099322 DS |
219 | config ARM_SPEAR_CPUFREQ |
220 | bool "SPEAr CPUFreq support" | |
221 | depends on PLAT_SPEAR | |
222 | default y | |
223 | help | |
224 | This adds the CPUFreq driver support for SPEAr SOCs. | |
dbb8d76e | 225 | |
ab0ea257 LJ |
226 | config ARM_STI_CPUFREQ |
227 | tristate "STi CPUFreq support" | |
228 | depends on SOC_STIH407 | |
229 | help | |
230 | This driver uses the generic OPP framework to match the running | |
231 | platform with a predefined set of suitable values. If not provided | |
232 | we will fall-back so safe-values contained in Device Tree. Enable | |
233 | this config option if you wish to add CPUFreq support for STi based | |
234 | SoCs. | |
235 | ||
109e13ea TT |
236 | config ARM_TEGRA20_CPUFREQ |
237 | bool "Tegra20 CPUFreq support" | |
dbb8d76e | 238 | depends on ARCH_TEGRA |
dbb8d76e VK |
239 | default y |
240 | help | |
109e13ea | 241 | This adds the CPUFreq driver support for Tegra20 SOCs. |
608eab22 | 242 | |
9eb15dbb TT |
243 | config ARM_TEGRA124_CPUFREQ |
244 | tristate "Tegra124 CPUFreq support" | |
b5832e4b | 245 | depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR |
9eb15dbb TT |
246 | default y |
247 | help | |
248 | This adds the CPUFreq driver support for Tegra124 SOCs. | |
249 | ||
939dc6f5 MP |
250 | config ARM_TEGRA186_CPUFREQ |
251 | tristate "Tegra186 CPUFreq support" | |
252 | depends on ARCH_TEGRA && TEGRA_BPMP | |
253 | help | |
254 | This adds the CPUFreq driver support for Tegra186 SOCs. | |
255 | ||
e13cf046 DG |
256 | config ARM_TI_CPUFREQ |
257 | bool "Texas Instruments CPUFreq support" | |
258 | depends on ARCH_OMAP2PLUS | |
259 | help | |
260 | This driver enables valid OPPs on the running platform based on | |
261 | values contained within the SoC in use. Enable this in order to | |
262 | use the cpufreq-dt driver on all Texas Instruments platforms that | |
263 | provide dt based operating-points-v2 tables with opp-supported-hw | |
264 | data provided. Required for cpufreq support on AM335x, AM437x, | |
265 | DRA7x, and AM57x platforms. | |
266 | ||
608eab22 PC |
267 | config ARM_PXA2xx_CPUFREQ |
268 | tristate "Intel PXA2xx CPUfreq driver" | |
269 | depends on PXA27x || PXA25x | |
270 | help | |
271 | This add the CPUFreq driver support for Intel PXA2xx SOCs. | |
272 | ||
273 | If in doubt, say N. | |
5477fb3b AC |
274 | |
275 | config ACPI_CPPC_CPUFREQ | |
276 | tristate "CPUFreq driver based on the ACPI CPPC spec" | |
a578884f | 277 | depends on ACPI_PROCESSOR |
5477fb3b AC |
278 | select ACPI_CPPC_LIB |
279 | default n | |
280 | help | |
281 | This adds a CPUFreq driver which uses CPPC methods | |
282 | as described in the ACPIv5.1 spec. CPPC stands for | |
283 | Collaborative Processor Performance Controls. It | |
284 | is based on an abstract continuous scale of CPU | |
285 | performance values which allows the remote power | |
286 | processor to flexibly optimize for power and | |
287 | performance. CPPC relies on power management firmware | |
288 | support for its operation. | |
289 | ||
290 | If in doubt, say N. |