1# SPDX-License-Identifier: GPL-2.0-only
2#
3# ARM CPU Frequency scaling drivers
4#
5
6config ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM
7	tristate "Allwinner nvmem based SUN50I CPUFreq driver"
8	depends on ARCH_SUNXI
9	depends on NVMEM_SUNXI_SID
10	select PM_OPP
11	help
12	  This adds the nvmem based CPUFreq driver for Allwinner
13	  h6 SoC.
14
15	  To compile this driver as a module, choose M here: the
16	  module will be called sun50i-cpufreq-nvmem.
17
18config ARM_APPLE_SOC_CPUFREQ
19	tristate "Apple Silicon SoC CPUFreq support"
20	depends on ARCH_APPLE || (COMPILE_TEST && 64BIT)
21	select PM_OPP
22	default ARCH_APPLE
23	help
24	  This adds the CPUFreq driver for Apple Silicon machines
25	  (e.g. Apple M1).
26
27config ARM_ARMADA_37XX_CPUFREQ
28	tristate "Armada 37xx CPUFreq support"
29	depends on ARCH_MVEBU && CPUFREQ_DT
30	help
31	  This adds the CPUFreq driver support for Marvell Armada 37xx SoCs.
32	  The Armada 37xx PMU supports 4 frequency and VDD levels.
33
34config ARM_ARMADA_8K_CPUFREQ
35	tristate "Armada 8K CPUFreq driver"
36	depends on ARCH_MVEBU && CPUFREQ_DT
37	select ARMADA_AP_CPU_CLK
38	help
39	  This enables the CPUFreq driver support for Marvell
40	  Armada8k SOCs.
41	  Armada8K device has the AP806 which supports scaling
42	  to any full integer divider.
43
44	  If in doubt, say N.
45
46config ARM_SCPI_CPUFREQ
47	tristate "SCPI based CPUfreq driver"
48	depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
49	help
50	  This adds the CPUfreq driver support for ARM platforms using SCPI
51	  protocol for CPU power management.
52
53	  This driver uses SCPI Message Protocol driver to interact with the
54	  firmware providing the CPU DVFS functionality.
55
56config ARM_VEXPRESS_SPC_CPUFREQ
57	tristate "Versatile Express SPC based CPUfreq driver"
58	depends on ARM_CPU_TOPOLOGY && HAVE_CLK
59	depends on ARCH_VEXPRESS_SPC
60	select PM_OPP
61	help
62	  This add the CPUfreq driver support for Versatile Express
63	  big.LITTLE platforms using SPC for power management.
64
65config ARM_BRCMSTB_AVS_CPUFREQ
66	tristate "Broadcom STB AVS CPUfreq driver"
67	depends on (ARCH_BRCMSTB && !ARM_SCMI_CPUFREQ) || COMPILE_TEST
68	default y
69	help
70	  Some Broadcom STB SoCs use a co-processor running proprietary firmware
71	  ("AVS") to handle voltage and frequency scaling. This driver provides
72	  a standard CPUfreq interface to the firmware.
73
74	  Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
75
76config ARM_HIGHBANK_CPUFREQ
77	tristate "Calxeda Highbank-based"
78	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
79	default m
80	help
81	  This adds the CPUFreq driver for Calxeda Highbank SoC
82	  based boards.
83
84	  If in doubt, say N.
85
86config ARM_IMX6Q_CPUFREQ
87	tristate "Freescale i.MX6 cpufreq support"
88	depends on ARCH_MXC
89	depends on REGULATOR_ANATOP
90	depends on NVMEM_IMX_OCOTP || COMPILE_TEST
91	select PM_OPP
92	help
93	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
94
95	  If in doubt, say N.
96
97config ARM_IMX_CPUFREQ_DT
98	tristate "Freescale i.MX8M cpufreq support"
99	depends on ARCH_MXC && CPUFREQ_DT
100	help
101	  This adds cpufreq driver support for Freescale i.MX7/i.MX8M
102	  series SoCs, based on cpufreq-dt.
103
104	  If in doubt, say N.
105
106config ARM_KIRKWOOD_CPUFREQ
107	def_bool MACH_KIRKWOOD
108	help
109	  This adds the CPUFreq driver for Marvell Kirkwood
110	  SoCs.
111
112config ARM_MEDIATEK_CPUFREQ
113	tristate "CPU Frequency scaling support for MediaTek SoCs"
114	depends on ARCH_MEDIATEK && REGULATOR
115	select PM_OPP
116	help
117	  This adds the CPUFreq driver support for MediaTek SoCs.
118
119config ARM_MEDIATEK_CPUFREQ_HW
120	tristate "MediaTek CPUFreq HW driver"
121	depends on ARCH_MEDIATEK || COMPILE_TEST
122	default m
123	help
124	  Support for the CPUFreq HW driver.
125	  Some MediaTek chipsets have a HW engine to offload the steps
126	  necessary for changing the frequency of the CPUs. Firmware loaded
127	  in this engine exposes a programming interface to the OS.
128	  The driver implements the cpufreq interface for this HW engine.
129	  Say Y if you want to support CPUFreq HW.
130
131config ARM_OMAP2PLUS_CPUFREQ
132	bool "TI OMAP2+"
133	depends on ARCH_OMAP2PLUS
134	default ARCH_OMAP2PLUS
135
136config ARM_QCOM_CPUFREQ_NVMEM
137	tristate "Qualcomm nvmem based CPUFreq"
138	depends on ARCH_QCOM
139	depends on NVMEM_QCOM_QFPROM
140	depends on QCOM_SMEM
141	select PM_OPP
142	help
143	  This adds the CPUFreq driver for Qualcomm Kryo SoC based boards.
144
145	  If in doubt, say N.
146
147config ARM_QCOM_CPUFREQ_HW
148	tristate "QCOM CPUFreq HW driver"
149	depends on ARCH_QCOM || COMPILE_TEST
150	depends on COMMON_CLK
151	help
152	  Support for the CPUFreq HW driver.
153	  Some QCOM chipsets have a HW engine to offload the steps
154	  necessary for changing the frequency of the CPUs. Firmware loaded
155	  in this engine exposes a programming interface to the OS.
156	  The driver implements the cpufreq interface for this HW engine.
157	  Say Y if you want to support CPUFreq HW.
158
159config ARM_RASPBERRYPI_CPUFREQ
160	tristate "Raspberry Pi cpufreq support"
161	depends on CLK_RASPBERRYPI || COMPILE_TEST
162	help
163	  This adds the CPUFreq driver for Raspberry Pi
164
165	  If in doubt, say N.
166
167config ARM_S3C64XX_CPUFREQ
168	bool "Samsung S3C64XX"
169	depends on CPU_S3C6410
170	default y
171	help
172	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
173
174	  If in doubt, say N.
175
176config ARM_S5PV210_CPUFREQ
177	bool "Samsung S5PV210 and S5PC110"
178	depends on CPU_S5PV210
179	default y
180	help
181	  This adds the CPUFreq driver for Samsung S5PV210 and
182	  S5PC110 SoCs.
183
184	  If in doubt, say N.
185
186config ARM_SA1110_CPUFREQ
187	bool
188
189config ARM_SCMI_CPUFREQ
190	tristate "SCMI based CPUfreq driver"
191	depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
192	select PM_OPP
193	help
194	  This adds the CPUfreq driver support for ARM platforms using SCMI
195	  protocol for CPU power management.
196
197	  This driver uses SCMI Message Protocol driver to interact with the
198	  firmware providing the CPU DVFS functionality.
199
200config ARM_SPEAR_CPUFREQ
201	bool "SPEAr CPUFreq support"
202	depends on PLAT_SPEAR
203	default y
204	help
205	  This adds the CPUFreq driver support for SPEAr SOCs.
206
207config ARM_STI_CPUFREQ
208	tristate "STi CPUFreq support"
209	depends on CPUFREQ_DT && SOC_STIH407
210	help
211	  This driver uses the generic OPP framework to match the running
212	  platform with a predefined set of suitable values.  If not provided
213	  we will fall-back so safe-values contained in Device Tree.  Enable
214	  this config option if you wish to add CPUFreq support for STi based
215	  SoCs.
216
217config ARM_TEGRA20_CPUFREQ
218	tristate "Tegra20/30 CPUFreq support"
219	depends on ARCH_TEGRA && CPUFREQ_DT
220	default y
221	help
222	  This adds the CPUFreq driver support for Tegra20/30 SOCs.
223
224config ARM_TEGRA124_CPUFREQ
225	bool "Tegra124 CPUFreq support"
226	depends on ARCH_TEGRA && CPUFREQ_DT
227	default y
228	help
229	  This adds the CPUFreq driver support for Tegra124 SOCs.
230
231config ARM_TEGRA186_CPUFREQ
232	tristate "Tegra186 CPUFreq support"
233	depends on ARCH_TEGRA && TEGRA_BPMP
234	help
235	  This adds the CPUFreq driver support for Tegra186 SOCs.
236
237config ARM_TEGRA194_CPUFREQ
238	tristate "Tegra194 CPUFreq support"
239	depends on ARCH_TEGRA_194_SOC && TEGRA_BPMP
240	default y
241	help
242	  This adds CPU frequency driver support for Tegra194 SOCs.
243
244config ARM_TI_CPUFREQ
245	bool "Texas Instruments CPUFreq support"
246	depends on ARCH_OMAP2PLUS || ARCH_K3
247	default y
248	help
249	  This driver enables valid OPPs on the running platform based on
250	  values contained within the SoC in use. Enable this in order to
251	  use the cpufreq-dt driver on all Texas Instruments platforms that
252	  provide dt based operating-points-v2 tables with opp-supported-hw
253	  data provided. Required for cpufreq support on AM335x, AM437x,
254	  DRA7x, and AM57x platforms.
255
256config ARM_PXA2xx_CPUFREQ
257	tristate "Intel PXA2xx CPUfreq driver"
258	depends on PXA27x || PXA25x
259	help
260	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
261
262	  If in doubt, say N.
263