xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision e2f1cf25) 
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_OMAP2PLUS_CPUFREQ
134	bool "TI OMAP2+"
135	depends on ARCH_OMAP2PLUS
136	default ARCH_OMAP2PLUS
137
138config ARM_S3C_CPUFREQ
139	bool
140	help
141	  Internal configuration node for common cpufreq on Samsung SoC
142
143config ARM_S3C24XX_CPUFREQ
144	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
145	depends on ARCH_S3C24XX
146	select ARM_S3C_CPUFREQ
147	help
148	  This enables the CPUfreq driver for the Samsung S3C24XX family
149	  of CPUs.
150
151	  For details, take a look at <file:Documentation/cpu-freq>.
152
153	  If in doubt, say N.
154
155config ARM_S3C24XX_CPUFREQ_DEBUG
156	bool "Debug CPUfreq Samsung driver core"
157	depends on ARM_S3C24XX_CPUFREQ
158	help
159	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
160
161config ARM_S3C24XX_CPUFREQ_IODEBUG
162	bool "Debug CPUfreq Samsung driver IO timing"
163	depends on ARM_S3C24XX_CPUFREQ
164	help
165	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
166
167config ARM_S3C24XX_CPUFREQ_DEBUGFS
168	bool "Export debugfs for CPUFreq"
169	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
170	help
171	  Export status information via debugfs.
172
173config ARM_S3C2410_CPUFREQ
174	bool
175	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
176	select S3C2410_CPUFREQ_UTILS
177	help
178	  CPU Frequency scaling support for S3C2410
179
180config ARM_S3C2412_CPUFREQ
181	bool
182	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
183	default y
184	select S3C2412_IOTIMING
185	help
186	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
187
188config ARM_S3C2416_CPUFREQ
189	bool "S3C2416 CPU Frequency scaling support"
190	depends on CPU_S3C2416
191	help
192	  This adds the CPUFreq driver for the Samsung S3C2416 and
193	  S3C2450 SoC. The S3C2416 supports changing the rate of the
194	  armdiv clock source and also entering a so called dynamic
195	  voltage scaling mode in which it is possible to reduce the
196	  core voltage of the CPU.
197
198	  If in doubt, say N.
199
200config ARM_S3C2416_CPUFREQ_VCORESCALE
201	bool "Allow voltage scaling for S3C2416 arm core"
202	depends on ARM_S3C2416_CPUFREQ && REGULATOR
203	help
204	  Enable CPU voltage scaling when entering the dvs mode.
205	  It uses information gathered through existing hardware and
206	  tests but not documented in any datasheet.
207
208	  If in doubt, say N.
209
210config ARM_S3C2440_CPUFREQ
211	bool "S3C2440/S3C2442 CPU Frequency scaling support"
212	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
213	select S3C2410_CPUFREQ_UTILS
214	default y
215	help
216	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
217
218config ARM_S3C64XX_CPUFREQ
219	bool "Samsung S3C64XX"
220	depends on CPU_S3C6410
221	default y
222	help
223	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
224
225	  If in doubt, say N.
226
227config ARM_S5PV210_CPUFREQ
228	bool "Samsung S5PV210 and S5PC110"
229	depends on CPU_S5PV210
230	default y
231	help
232	  This adds the CPUFreq driver for Samsung S5PV210 and
233	  S5PC110 SoCs.
234
235	  If in doubt, say N.
236
237config ARM_SA1100_CPUFREQ
238	bool
239
240config ARM_SA1110_CPUFREQ
241	bool
242
243config ARM_SPEAR_CPUFREQ
244	bool "SPEAr CPUFreq support"
245	depends on PLAT_SPEAR
246	default y
247	help
248	  This adds the CPUFreq driver support for SPEAr SOCs.
249
250config ARM_TEGRA_CPUFREQ
251	bool "TEGRA CPUFreq support"
252	depends on ARCH_TEGRA
253	default y
254	help
255	  This adds the CPUFreq driver support for TEGRA SOCs.
256
257config ARM_PXA2xx_CPUFREQ
258	tristate "Intel PXA2xx CPUfreq driver"
259	depends on PXA27x || PXA25x
260	help
261	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
262
263	  If in doubt, say N.
264