xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision ae982073) 
1#
2# ARM CPU Frequency scaling drivers
3#
4
5# big LITTLE core layer and glue drivers
6config ARM_BIG_LITTLE_CPUFREQ
7	tristate "Generic ARM big LITTLE CPUfreq driver"
8	depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK
9	select PM_OPP
10	help
11	  This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
12
13config ARM_DT_BL_CPUFREQ
14	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
15	depends on ARM_BIG_LITTLE_CPUFREQ && OF
16	help
17	  This enables probing via DT for Generic CPUfreq driver for ARM
18	  big.LITTLE platform. This gets frequency tables from DT.
19
20config 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
27
28config ARM_EXYNOS_CPUFREQ
29	tristate "SAMSUNG EXYNOS CPUfreq Driver"
30	depends on CPU_EXYNOS4210 || SOC_EXYNOS4212 || SOC_EXYNOS4412 || SOC_EXYNOS5250
31	depends on THERMAL
32	help
33	  This adds the CPUFreq driver for Samsung EXYNOS platforms.
34	  Supported SoC versions are:
35	     Exynos4210, Exynos4212, Exynos4412, and Exynos5250.
36
37	  If in doubt, say N.
38
39config ARM_EXYNOS4X12_CPUFREQ
40	bool "SAMSUNG EXYNOS4x12"
41	depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
42	depends on ARM_EXYNOS_CPUFREQ
43	default y
44	help
45	  This adds the CPUFreq driver for Samsung EXYNOS4X12
46	  SoC (EXYNOS4212 or EXYNOS4412).
47
48	  If in doubt, say N.
49
50config ARM_EXYNOS5250_CPUFREQ
51	bool "SAMSUNG EXYNOS5250"
52	depends on SOC_EXYNOS5250
53	depends on ARM_EXYNOS_CPUFREQ
54	default y
55	help
56	  This adds the CPUFreq driver for Samsung EXYNOS5250
57	  SoC.
58
59	  If in doubt, say N.
60
61config ARM_EXYNOS_CPU_FREQ_BOOST_SW
62	bool "EXYNOS Frequency Overclocking - Software"
63	depends on ARM_EXYNOS_CPUFREQ && THERMAL
64	select CPU_FREQ_BOOST_SW
65	select EXYNOS_THERMAL
66	help
67	  This driver supports software managed overclocking (BOOST).
68	  It allows usage of special frequencies for Samsung Exynos
69	  processors if thermal conditions are appropriate.
70
71	  It requires, for safe operation, thermal framework with properly
72	  defined trip points.
73
74	  If in doubt, say N.
75
76config ARM_EXYNOS5440_CPUFREQ
77	tristate "SAMSUNG EXYNOS5440"
78	depends on SOC_EXYNOS5440
79	depends on HAVE_CLK && OF
80	select PM_OPP
81	default y
82	help
83	  This adds the CPUFreq driver for Samsung EXYNOS5440
84	  SoC. The nature of exynos5440 clock controller is
85	  different than previous exynos controllers so not using
86	  the common exynos framework.
87
88	  If in doubt, say N.
89
90config ARM_HIGHBANK_CPUFREQ
91	tristate "Calxeda Highbank-based"
92	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
93	default m
94	help
95	  This adds the CPUFreq driver for Calxeda Highbank SoC
96	  based boards.
97
98	  If in doubt, say N.
99
100config ARM_HISI_ACPU_CPUFREQ
101	tristate "Hisilicon ACPU CPUfreq driver"
102	depends on ARCH_HISI && CPUFREQ_DT
103	select PM_OPP
104	help
105	  This enables the hisilicon ACPU CPUfreq driver.
106
107	  If in doubt, say N.
108
109config ARM_IMX6Q_CPUFREQ
110	tristate "Freescale i.MX6 cpufreq support"
111	depends on ARCH_MXC
112	depends on REGULATOR_ANATOP
113	select PM_OPP
114	help
115	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
116
117	  If in doubt, say N.
118
119config ARM_INTEGRATOR
120	tristate "CPUfreq driver for ARM Integrator CPUs"
121	depends on ARCH_INTEGRATOR
122	default y
123	help
124	  This enables the CPUfreq driver for ARM Integrator CPUs.
125	  If in doubt, say Y.
126
127config ARM_KIRKWOOD_CPUFREQ
128	def_bool MACH_KIRKWOOD
129	help
130	  This adds the CPUFreq driver for Marvell Kirkwood
131	  SoCs.
132
133config ARM_MT8173_CPUFREQ
134	bool "Mediatek MT8173 CPUFreq support"
135	depends on ARCH_MEDIATEK && REGULATOR
136	select PM_OPP
137	help
138	  This adds the CPUFreq driver support for Mediatek MT8173 SoC.
139
140config ARM_OMAP2PLUS_CPUFREQ
141	bool "TI OMAP2+"
142	depends on ARCH_OMAP2PLUS
143	default ARCH_OMAP2PLUS
144
145config ARM_S3C_CPUFREQ
146	bool
147	help
148	  Internal configuration node for common cpufreq on Samsung SoC
149
150config ARM_S3C24XX_CPUFREQ
151	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
152	depends on ARCH_S3C24XX
153	select ARM_S3C_CPUFREQ
154	help
155	  This enables the CPUfreq driver for the Samsung S3C24XX family
156	  of CPUs.
157
158	  For details, take a look at <file:Documentation/cpu-freq>.
159
160	  If in doubt, say N.
161
162config ARM_S3C24XX_CPUFREQ_DEBUG
163	bool "Debug CPUfreq Samsung driver core"
164	depends on ARM_S3C24XX_CPUFREQ
165	help
166	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
167
168config ARM_S3C24XX_CPUFREQ_IODEBUG
169	bool "Debug CPUfreq Samsung driver IO timing"
170	depends on ARM_S3C24XX_CPUFREQ
171	help
172	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
173
174config ARM_S3C24XX_CPUFREQ_DEBUGFS
175	bool "Export debugfs for CPUFreq"
176	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
177	help
178	  Export status information via debugfs.
179
180config ARM_S3C2410_CPUFREQ
181	bool
182	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
183	select S3C2410_CPUFREQ_UTILS
184	help
185	  CPU Frequency scaling support for S3C2410
186
187config ARM_S3C2412_CPUFREQ
188	bool
189	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
190	default y
191	select S3C2412_IOTIMING
192	help
193	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
194
195config ARM_S3C2416_CPUFREQ
196	bool "S3C2416 CPU Frequency scaling support"
197	depends on CPU_S3C2416
198	help
199	  This adds the CPUFreq driver for the Samsung S3C2416 and
200	  S3C2450 SoC. The S3C2416 supports changing the rate of the
201	  armdiv clock source and also entering a so called dynamic
202	  voltage scaling mode in which it is possible to reduce the
203	  core voltage of the CPU.
204
205	  If in doubt, say N.
206
207config ARM_S3C2416_CPUFREQ_VCORESCALE
208	bool "Allow voltage scaling for S3C2416 arm core"
209	depends on ARM_S3C2416_CPUFREQ && REGULATOR
210	help
211	  Enable CPU voltage scaling when entering the dvs mode.
212	  It uses information gathered through existing hardware and
213	  tests but not documented in any datasheet.
214
215	  If in doubt, say N.
216
217config ARM_S3C2440_CPUFREQ
218	bool "S3C2440/S3C2442 CPU Frequency scaling support"
219	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
220	select S3C2410_CPUFREQ_UTILS
221	default y
222	help
223	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
224
225config ARM_S3C64XX_CPUFREQ
226	bool "Samsung S3C64XX"
227	depends on CPU_S3C6410
228	default y
229	help
230	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
231
232	  If in doubt, say N.
233
234config ARM_S5PV210_CPUFREQ
235	bool "Samsung S5PV210 and S5PC110"
236	depends on CPU_S5PV210
237	default y
238	help
239	  This adds the CPUFreq driver for Samsung S5PV210 and
240	  S5PC110 SoCs.
241
242	  If in doubt, say N.
243
244config ARM_SA1100_CPUFREQ
245	bool
246
247config ARM_SA1110_CPUFREQ
248	bool
249
250config ARM_SPEAR_CPUFREQ
251	bool "SPEAr CPUFreq support"
252	depends on PLAT_SPEAR
253	default y
254	help
255	  This adds the CPUFreq driver support for SPEAr SOCs.
256
257config ARM_TEGRA20_CPUFREQ
258	bool "Tegra20 CPUFreq support"
259	depends on ARCH_TEGRA
260	default y
261	help
262	  This adds the CPUFreq driver support for Tegra20 SOCs.
263
264config ARM_TEGRA124_CPUFREQ
265	tristate "Tegra124 CPUFreq support"
266	depends on ARCH_TEGRA && CPUFREQ_DT
267	default y
268	help
269	  This adds the CPUFreq driver support for Tegra124 SOCs.
270
271config ARM_PXA2xx_CPUFREQ
272	tristate "Intel PXA2xx CPUfreq driver"
273	depends on PXA27x || PXA25x
274	help
275	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
276
277	  If in doubt, say N.
278