xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision 5269e706) 
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	depends on !CPU_THERMAL || THERMAL=y
137	select PM_OPP
138	help
139	  This adds the CPUFreq driver support for Mediatek MT8173 SoC.
140
141config ARM_OMAP2PLUS_CPUFREQ
142	bool "TI OMAP2+"
143	depends on ARCH_OMAP2PLUS
144	default ARCH_OMAP2PLUS
145
146config ARM_S3C_CPUFREQ
147	bool
148	help
149	  Internal configuration node for common cpufreq on Samsung SoC
150
151config ARM_S3C24XX_CPUFREQ
152	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
153	depends on ARCH_S3C24XX
154	select ARM_S3C_CPUFREQ
155	help
156	  This enables the CPUfreq driver for the Samsung S3C24XX family
157	  of CPUs.
158
159	  For details, take a look at <file:Documentation/cpu-freq>.
160
161	  If in doubt, say N.
162
163config ARM_S3C24XX_CPUFREQ_DEBUG
164	bool "Debug CPUfreq Samsung driver core"
165	depends on ARM_S3C24XX_CPUFREQ
166	help
167	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
168
169config ARM_S3C24XX_CPUFREQ_IODEBUG
170	bool "Debug CPUfreq Samsung driver IO timing"
171	depends on ARM_S3C24XX_CPUFREQ
172	help
173	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
174
175config ARM_S3C24XX_CPUFREQ_DEBUGFS
176	bool "Export debugfs for CPUFreq"
177	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
178	help
179	  Export status information via debugfs.
180
181config ARM_S3C2410_CPUFREQ
182	bool
183	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
184	select S3C2410_CPUFREQ_UTILS
185	help
186	  CPU Frequency scaling support for S3C2410
187
188config ARM_S3C2412_CPUFREQ
189	bool
190	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
191	default y
192	select S3C2412_IOTIMING
193	help
194	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
195
196config ARM_S3C2416_CPUFREQ
197	bool "S3C2416 CPU Frequency scaling support"
198	depends on CPU_S3C2416
199	help
200	  This adds the CPUFreq driver for the Samsung S3C2416 and
201	  S3C2450 SoC. The S3C2416 supports changing the rate of the
202	  armdiv clock source and also entering a so called dynamic
203	  voltage scaling mode in which it is possible to reduce the
204	  core voltage of the CPU.
205
206	  If in doubt, say N.
207
208config ARM_S3C2416_CPUFREQ_VCORESCALE
209	bool "Allow voltage scaling for S3C2416 arm core"
210	depends on ARM_S3C2416_CPUFREQ && REGULATOR
211	help
212	  Enable CPU voltage scaling when entering the dvs mode.
213	  It uses information gathered through existing hardware and
214	  tests but not documented in any datasheet.
215
216	  If in doubt, say N.
217
218config ARM_S3C2440_CPUFREQ
219	bool "S3C2440/S3C2442 CPU Frequency scaling support"
220	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
221	select S3C2410_CPUFREQ_UTILS
222	default y
223	help
224	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
225
226config ARM_S3C64XX_CPUFREQ
227	bool "Samsung S3C64XX"
228	depends on CPU_S3C6410
229	default y
230	help
231	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
232
233	  If in doubt, say N.
234
235config ARM_S5PV210_CPUFREQ
236	bool "Samsung S5PV210 and S5PC110"
237	depends on CPU_S5PV210
238	default y
239	help
240	  This adds the CPUFreq driver for Samsung S5PV210 and
241	  S5PC110 SoCs.
242
243	  If in doubt, say N.
244
245config ARM_SA1100_CPUFREQ
246	bool
247
248config ARM_SA1110_CPUFREQ
249	bool
250
251config ARM_SPEAR_CPUFREQ
252	bool "SPEAr CPUFreq support"
253	depends on PLAT_SPEAR
254	default y
255	help
256	  This adds the CPUFreq driver support for SPEAr SOCs.
257
258config ARM_TEGRA_CPUFREQ
259	bool "TEGRA CPUFreq support"
260	depends on ARCH_TEGRA
261	default y
262	help
263	  This adds the CPUFreq driver support for TEGRA SOCs.
264
265config ARM_PXA2xx_CPUFREQ
266	tristate "Intel PXA2xx CPUfreq driver"
267	depends on PXA27x || PXA25x
268	help
269	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
270
271	  If in doubt, say N.
272