1 # SPDX-License-Identifier: GPL-2.0-only
3 # ARM CPU Frequency scaling drivers
6 config ARM_ALLWINNER_SUN50I_CPUFREQ_NVMEM
7 tristate "Allwinner nvmem based SUN50I CPUFreq driver"
9 depends on NVMEM_SUNXI_SID
12 This adds the nvmem based CPUFreq driver for Allwinner
15 To compile this driver as a module, choose M here: the
16 module will be called sun50i-cpufreq-nvmem.
18 config ARM_APPLE_SOC_CPUFREQ
19 tristate "Apple Silicon SoC CPUFreq support"
20 depends on ARCH_APPLE || (COMPILE_TEST && 64BIT)
24 This adds the CPUFreq driver for Apple Silicon machines
27 config ARM_ARMADA_37XX_CPUFREQ
28 tristate "Armada 37xx CPUFreq support"
29 depends on ARCH_MVEBU && CPUFREQ_DT
31 This adds the CPUFreq driver support for Marvell Armada 37xx SoCs.
32 The Armada 37xx PMU supports 4 frequency and VDD levels.
34 config ARM_ARMADA_8K_CPUFREQ
35 tristate "Armada 8K CPUFreq driver"
36 depends on ARCH_MVEBU && CPUFREQ_DT
37 select ARMADA_AP_CPU_CLK
39 This enables the CPUFreq driver support for Marvell
41 Armada8K device has the AP806 which supports scaling
42 to any full integer divider.
46 config ARM_SCPI_CPUFREQ
47 tristate "SCPI based CPUfreq driver"
48 depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
50 This adds the CPUfreq driver support for ARM platforms using SCPI
51 protocol for CPU power management.
53 This driver uses SCPI Message Protocol driver to interact with the
54 firmware providing the CPU DVFS functionality.
56 config 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
62 This add the CPUfreq driver support for Versatile Express
63 big.LITTLE platforms using SPC for power management.
65 config ARM_BRCMSTB_AVS_CPUFREQ
66 tristate "Broadcom STB AVS CPUfreq driver"
67 depends on (ARCH_BRCMSTB && !ARM_SCMI_CPUFREQ) || COMPILE_TEST
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.
74 Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
76 config ARM_HIGHBANK_CPUFREQ
77 tristate "Calxeda Highbank-based"
78 depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
81 This adds the CPUFreq driver for Calxeda Highbank SoC
86 config ARM_IMX6Q_CPUFREQ
87 tristate "Freescale i.MX6 cpufreq support"
89 depends on REGULATOR_ANATOP
90 depends on NVMEM_IMX_OCOTP || COMPILE_TEST
93 This adds cpufreq driver support for Freescale i.MX6 series SoCs.
97 config ARM_IMX_CPUFREQ_DT
98 tristate "Freescale i.MX8M cpufreq support"
99 depends on ARCH_MXC && CPUFREQ_DT
101 This adds cpufreq driver support for Freescale i.MX7/i.MX8M
102 series SoCs, based on cpufreq-dt.
106 config ARM_KIRKWOOD_CPUFREQ
107 def_bool MACH_KIRKWOOD
109 This adds the CPUFreq driver for Marvell Kirkwood
112 config ARM_MEDIATEK_CPUFREQ
113 tristate "CPU Frequency scaling support for MediaTek SoCs"
114 depends on ARCH_MEDIATEK && REGULATOR
117 This adds the CPUFreq driver support for MediaTek SoCs.
119 config ARM_MEDIATEK_CPUFREQ_HW
120 tristate "MediaTek CPUFreq HW driver"
121 depends on ARCH_MEDIATEK || COMPILE_TEST
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.
131 config ARM_OMAP2PLUS_CPUFREQ
133 depends on ARCH_OMAP2PLUS
134 default ARCH_OMAP2PLUS
136 config ARM_QCOM_CPUFREQ_NVMEM
137 tristate "Qualcomm nvmem based CPUFreq"
139 depends on NVMEM_QCOM_QFPROM
143 This adds the CPUFreq driver for Qualcomm Kryo SoC based boards.
147 config ARM_QCOM_CPUFREQ_HW
148 tristate "QCOM CPUFreq HW driver"
149 depends on ARCH_QCOM || COMPILE_TEST
150 depends on COMMON_CLK
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.
159 config ARM_RASPBERRYPI_CPUFREQ
160 tristate "Raspberry Pi cpufreq support"
161 depends on CLK_RASPBERRYPI || COMPILE_TEST
163 This adds the CPUFreq driver for Raspberry Pi
167 config ARM_S3C64XX_CPUFREQ
168 bool "Samsung S3C64XX"
169 depends on CPU_S3C6410
172 This adds the CPUFreq driver for Samsung S3C6410 SoC.
176 config ARM_S5PV210_CPUFREQ
177 bool "Samsung S5PV210 and S5PC110"
178 depends on CPU_S5PV210
181 This adds the CPUFreq driver for Samsung S5PV210 and
186 config ARM_SA1110_CPUFREQ
189 config ARM_SCMI_CPUFREQ
190 tristate "SCMI based CPUfreq driver"
191 depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
194 This adds the CPUfreq driver support for ARM platforms using SCMI
195 protocol for CPU power management.
197 This driver uses SCMI Message Protocol driver to interact with the
198 firmware providing the CPU DVFS functionality.
200 config ARM_SPEAR_CPUFREQ
201 bool "SPEAr CPUFreq support"
202 depends on PLAT_SPEAR
205 This adds the CPUFreq driver support for SPEAr SOCs.
207 config ARM_STI_CPUFREQ
208 tristate "STi CPUFreq support"
209 depends on CPUFREQ_DT && SOC_STIH407
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
217 config ARM_TEGRA20_CPUFREQ
218 tristate "Tegra20/30 CPUFreq support"
219 depends on ARCH_TEGRA && CPUFREQ_DT
222 This adds the CPUFreq driver support for Tegra20/30 SOCs.
224 config ARM_TEGRA124_CPUFREQ
225 bool "Tegra124 CPUFreq support"
226 depends on ARCH_TEGRA && CPUFREQ_DT
229 This adds the CPUFreq driver support for Tegra124 SOCs.
231 config ARM_TEGRA186_CPUFREQ
232 tristate "Tegra186 CPUFreq support"
233 depends on ARCH_TEGRA && TEGRA_BPMP
235 This adds the CPUFreq driver support for Tegra186 SOCs.
237 config ARM_TEGRA194_CPUFREQ
238 tristate "Tegra194 CPUFreq support"
239 depends on ARCH_TEGRA_194_SOC && TEGRA_BPMP
242 This adds CPU frequency driver support for Tegra194 SOCs.
244 config ARM_TI_CPUFREQ
245 bool "Texas Instruments CPUFreq support"
246 depends on ARCH_OMAP2PLUS || ARCH_K3
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.
256 config ARM_PXA2xx_CPUFREQ
257 tristate "Intel PXA2xx CPUfreq driver"
258 depends on PXA27x || PXA25x
260 This add the CPUFreq driver support for Intel PXA2xx SOCs.