xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision 9b9c2cd4) 
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
27config ARM_EXYNOS5440_CPUFREQ
28	tristate "SAMSUNG EXYNOS5440"
29	depends on SOC_EXYNOS5440
30	depends on HAVE_CLK && OF
31	select PM_OPP
32	default y
33	help
34	  This adds the CPUFreq driver for Samsung EXYNOS5440
35	  SoC. The nature of exynos5440 clock controller is
36	  different than previous exynos controllers so not using
37	  the common exynos framework.
38
39	  If in doubt, say N.
40
41config ARM_HIGHBANK_CPUFREQ
42	tristate "Calxeda Highbank-based"
43	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
44	default m
45	help
46	  This adds the CPUFreq driver for Calxeda Highbank SoC
47	  based boards.
48
49	  If in doubt, say N.
50
51config ARM_HISI_ACPU_CPUFREQ
52	tristate "Hisilicon ACPU CPUfreq driver"
53	depends on ARCH_HISI && CPUFREQ_DT
54	select PM_OPP
55	help
56	  This enables the hisilicon ACPU CPUfreq driver.
57
58	  If in doubt, say N.
59
60config ARM_IMX6Q_CPUFREQ
61	tristate "Freescale i.MX6 cpufreq support"
62	depends on ARCH_MXC
63	depends on REGULATOR_ANATOP
64	select PM_OPP
65	help
66	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
67
68	  If in doubt, say N.
69
70config ARM_INTEGRATOR
71	tristate "CPUfreq driver for ARM Integrator CPUs"
72	depends on ARCH_INTEGRATOR
73	default y
74	help
75	  This enables the CPUfreq driver for ARM Integrator CPUs.
76	  If in doubt, say Y.
77
78config ARM_KIRKWOOD_CPUFREQ
79	def_bool MACH_KIRKWOOD
80	help
81	  This adds the CPUFreq driver for Marvell Kirkwood
82	  SoCs.
83
84config ARM_MT8173_CPUFREQ
85	bool "Mediatek MT8173 CPUFreq support"
86	depends on ARCH_MEDIATEK && REGULATOR
87	depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST)
88	depends on !CPU_THERMAL || THERMAL=y
89	select PM_OPP
90	help
91	  This adds the CPUFreq driver support for Mediatek MT8173 SoC.
92
93config ARM_OMAP2PLUS_CPUFREQ
94	bool "TI OMAP2+"
95	depends on ARCH_OMAP2PLUS
96	default ARCH_OMAP2PLUS
97
98config ARM_S3C_CPUFREQ
99	bool
100	help
101	  Internal configuration node for common cpufreq on Samsung SoC
102
103config ARM_S3C24XX_CPUFREQ
104	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
105	depends on ARCH_S3C24XX
106	select ARM_S3C_CPUFREQ
107	help
108	  This enables the CPUfreq driver for the Samsung S3C24XX family
109	  of CPUs.
110
111	  For details, take a look at <file:Documentation/cpu-freq>.
112
113	  If in doubt, say N.
114
115config ARM_S3C24XX_CPUFREQ_DEBUG
116	bool "Debug CPUfreq Samsung driver core"
117	depends on ARM_S3C24XX_CPUFREQ
118	help
119	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
120
121config ARM_S3C24XX_CPUFREQ_IODEBUG
122	bool "Debug CPUfreq Samsung driver IO timing"
123	depends on ARM_S3C24XX_CPUFREQ
124	help
125	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
126
127config ARM_S3C24XX_CPUFREQ_DEBUGFS
128	bool "Export debugfs for CPUFreq"
129	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
130	help
131	  Export status information via debugfs.
132
133config ARM_S3C2410_CPUFREQ
134	bool
135	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
136	select S3C2410_CPUFREQ_UTILS
137	help
138	  CPU Frequency scaling support for S3C2410
139
140config ARM_S3C2412_CPUFREQ
141	bool
142	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
143	default y
144	select S3C2412_IOTIMING
145	help
146	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
147
148config ARM_S3C2416_CPUFREQ
149	bool "S3C2416 CPU Frequency scaling support"
150	depends on CPU_S3C2416
151	help
152	  This adds the CPUFreq driver for the Samsung S3C2416 and
153	  S3C2450 SoC. The S3C2416 supports changing the rate of the
154	  armdiv clock source and also entering a so called dynamic
155	  voltage scaling mode in which it is possible to reduce the
156	  core voltage of the CPU.
157
158	  If in doubt, say N.
159
160config ARM_S3C2416_CPUFREQ_VCORESCALE
161	bool "Allow voltage scaling for S3C2416 arm core"
162	depends on ARM_S3C2416_CPUFREQ && REGULATOR
163	help
164	  Enable CPU voltage scaling when entering the dvs mode.
165	  It uses information gathered through existing hardware and
166	  tests but not documented in any datasheet.
167
168	  If in doubt, say N.
169
170config ARM_S3C2440_CPUFREQ
171	bool "S3C2440/S3C2442 CPU Frequency scaling support"
172	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
173	select S3C2410_CPUFREQ_UTILS
174	default y
175	help
176	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
177
178config ARM_S3C64XX_CPUFREQ
179	bool "Samsung S3C64XX"
180	depends on CPU_S3C6410
181	default y
182	help
183	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
184
185	  If in doubt, say N.
186
187config ARM_S5PV210_CPUFREQ
188	bool "Samsung S5PV210 and S5PC110"
189	depends on CPU_S5PV210
190	default y
191	help
192	  This adds the CPUFreq driver for Samsung S5PV210 and
193	  S5PC110 SoCs.
194
195	  If in doubt, say N.
196
197config ARM_SA1100_CPUFREQ
198	bool
199
200config ARM_SA1110_CPUFREQ
201	bool
202
203config ARM_SCPI_CPUFREQ
204        tristate "SCPI based CPUfreq driver"
205	depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
206        help
207	  This adds the CPUfreq driver support for ARM big.LITTLE platforms
208	  using SCPI protocol for CPU power management.
209
210	  This driver uses SCPI Message Protocol driver to interact with the
211	  firmware providing the CPU DVFS functionality.
212
213config ARM_SPEAR_CPUFREQ
214	bool "SPEAr CPUFreq support"
215	depends on PLAT_SPEAR
216	default y
217	help
218	  This adds the CPUFreq driver support for SPEAr SOCs.
219
220config ARM_TEGRA20_CPUFREQ
221	bool "Tegra20 CPUFreq support"
222	depends on ARCH_TEGRA
223	default y
224	help
225	  This adds the CPUFreq driver support for Tegra20 SOCs.
226
227config ARM_TEGRA124_CPUFREQ
228	tristate "Tegra124 CPUFreq support"
229	depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
230	default y
231	help
232	  This adds the CPUFreq driver support for Tegra124 SOCs.
233
234config ARM_PXA2xx_CPUFREQ
235	tristate "Intel PXA2xx CPUfreq driver"
236	depends on PXA27x || PXA25x
237	help
238	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
239
240	  If in doubt, say N.
241
242config ACPI_CPPC_CPUFREQ
243	tristate "CPUFreq driver based on the ACPI CPPC spec"
244	depends on ACPI
245	select ACPI_CPPC_LIB
246	default n
247	help
248	  This adds a CPUFreq driver which uses CPPC methods
249	  as described in the ACPIv5.1 spec. CPPC stands for
250	  Collaborative Processor Performance Controls. It
251	  is based on an abstract continuous scale of CPU
252	  performance values which allows the remote power
253	  processor to flexibly optimize for power and
254	  performance. CPPC relies on power management firmware
255	  support for its operation.
256
257	  If in doubt, say N.
258