1# SPDX-License-Identifier: GPL-2.0 2 3config HAVE_CLK 4 bool 5 help 6 The <linux/clk.h> calls support software clock gating and 7 thus are a key power management tool on many systems. 8 9config CLKDEV_LOOKUP 10 bool 11 select HAVE_CLK 12 13config HAVE_CLK_PREPARE 14 bool 15 16config HAVE_LEGACY_CLK # TODO: Remove once all legacy users are migrated 17 bool 18 select HAVE_CLK 19 help 20 Select this option when the clock API in <linux/clk.h> is implemented 21 by platform/architecture code. This method is deprecated. Modern 22 code should select COMMON_CLK instead and not define a custom 23 'struct clk'. 24 25menuconfig COMMON_CLK 26 bool "Common Clock Framework" 27 depends on !HAVE_LEGACY_CLK 28 select HAVE_CLK_PREPARE 29 select CLKDEV_LOOKUP 30 select SRCU 31 select RATIONAL 32 help 33 The common clock framework is a single definition of struct 34 clk, useful across many platforms, as well as an 35 implementation of the clock API in include/linux/clk.h. 36 Architectures utilizing the common struct clk should select 37 this option. 38 39if COMMON_CLK 40 41config COMMON_CLK_WM831X 42 tristate "Clock driver for WM831x/2x PMICs" 43 depends on MFD_WM831X 44 help 45 Supports the clocking subsystem of the WM831x/2x series of 46 PMICs from Wolfson Microelectronics. 47 48source "drivers/clk/versatile/Kconfig" 49 50config CLK_HSDK 51 bool "PLL Driver for HSDK platform" 52 depends on OF || COMPILE_TEST 53 depends on IOMEM 54 help 55 This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs 56 control. 57 58config COMMON_CLK_MAX77686 59 tristate "Clock driver for Maxim 77620/77686/77802 MFD" 60 depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST 61 help 62 This driver supports Maxim 77620/77686/77802 crystal oscillator 63 clock. 64 65config COMMON_CLK_MAX9485 66 tristate "Maxim 9485 Programmable Clock Generator" 67 depends on I2C 68 help 69 This driver supports Maxim 9485 Programmable Audio Clock Generator 70 71config COMMON_CLK_RK808 72 tristate "Clock driver for RK805/RK808/RK809/RK817/RK818" 73 depends on MFD_RK808 74 help 75 This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock. 76 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each. 77 Clkout1 is always on, Clkout2 can off by control register. 78 79config COMMON_CLK_HI655X 80 tristate "Clock driver for Hi655x" if EXPERT 81 depends on (MFD_HI655X_PMIC || COMPILE_TEST) 82 depends on REGMAP 83 default MFD_HI655X_PMIC 84 help 85 This driver supports the hi655x PMIC clock. This 86 multi-function device has one fixed-rate oscillator, clocked 87 at 32KHz. 88 89config COMMON_CLK_SCMI 90 tristate "Clock driver controlled via SCMI interface" 91 depends on ARM_SCMI_PROTOCOL || COMPILE_TEST 92 help 93 This driver provides support for clocks that are controlled 94 by firmware that implements the SCMI interface. 95 96 This driver uses SCMI Message Protocol to interact with the 97 firmware providing all the clock controls. 98 99config COMMON_CLK_SCPI 100 tristate "Clock driver controlled via SCPI interface" 101 depends on ARM_SCPI_PROTOCOL || COMPILE_TEST 102 help 103 This driver provides support for clocks that are controlled 104 by firmware that implements the SCPI interface. 105 106 This driver uses SCPI Message Protocol to interact with the 107 firmware providing all the clock controls. 108 109config COMMON_CLK_SI5341 110 tristate "Clock driver for SiLabs 5341 and 5340 A/B/C/D devices" 111 depends on I2C 112 select REGMAP_I2C 113 help 114 This driver supports Silicon Labs Si5341 and Si5340 programmable clock 115 generators. Not all features of these chips are currently supported 116 by the driver, in particular it only supports XTAL input. The chip can 117 be pre-programmed to support other configurations and features not yet 118 implemented in the driver. 119 120config COMMON_CLK_SI5351 121 tristate "Clock driver for SiLabs 5351A/B/C" 122 depends on I2C 123 select REGMAP_I2C 124 select RATIONAL 125 help 126 This driver supports Silicon Labs 5351A/B/C programmable clock 127 generators. 128 129config COMMON_CLK_SI514 130 tristate "Clock driver for SiLabs 514 devices" 131 depends on I2C 132 depends on OF 133 select REGMAP_I2C 134 help 135 This driver supports the Silicon Labs 514 programmable clock 136 generator. 137 138config COMMON_CLK_SI544 139 tristate "Clock driver for SiLabs 544 devices" 140 depends on I2C 141 select REGMAP_I2C 142 help 143 This driver supports the Silicon Labs 544 programmable clock 144 generator. 145 146config COMMON_CLK_SI570 147 tristate "Clock driver for SiLabs 570 and compatible devices" 148 depends on I2C 149 depends on OF 150 select REGMAP_I2C 151 help 152 This driver supports Silicon Labs 570/571/598/599 programmable 153 clock generators. 154 155config COMMON_CLK_BM1880 156 bool "Clock driver for Bitmain BM1880 SoC" 157 depends on ARCH_BITMAIN || COMPILE_TEST 158 default ARCH_BITMAIN 159 help 160 This driver supports the clocks on Bitmain BM1880 SoC. 161 162config COMMON_CLK_CDCE706 163 tristate "Clock driver for TI CDCE706 clock synthesizer" 164 depends on I2C 165 select REGMAP_I2C 166 select RATIONAL 167 help 168 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer. 169 170config COMMON_CLK_CDCE925 171 tristate "Clock driver for TI CDCE913/925/937/949 devices" 172 depends on I2C 173 depends on OF 174 select REGMAP_I2C 175 help 176 This driver supports the TI CDCE913/925/937/949 programmable clock 177 synthesizer. Each chip has different number of PLLs and outputs. 178 For example, the CDCE925 contains two PLLs with spread-spectrum 179 clocking support and five output dividers. The driver only supports 180 the following setup, and uses a fixed setting for the output muxes. 181 Y1 is derived from the input clock 182 Y2 and Y3 derive from PLL1 183 Y4 and Y5 derive from PLL2 184 Given a target output frequency, the driver will set the PLL and 185 divider to best approximate the desired output. 186 187config COMMON_CLK_CS2000_CP 188 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier" 189 depends on I2C 190 help 191 If you say yes here you get support for the CS2000 clock multiplier. 192 193config COMMON_CLK_FSL_SAI 194 bool "Clock driver for BCLK of Freescale SAI cores" 195 depends on ARCH_LAYERSCAPE || COMPILE_TEST 196 help 197 This driver supports the Freescale SAI (Synchronous Audio Interface) 198 to be used as a generic clock output. Some SoCs have restrictions 199 regarding the possible pin multiplexer settings. Eg. on some SoCs 200 two SAI interfaces can only be enabled together. If just one is 201 needed, the BCLK pin of the second one can be used as general 202 purpose clock output. Ideally, it can be used to drive an audio 203 codec (sometimes known as MCLK). 204 205config COMMON_CLK_GEMINI 206 bool "Clock driver for Cortina Systems Gemini SoC" 207 depends on ARCH_GEMINI || COMPILE_TEST 208 select MFD_SYSCON 209 select RESET_CONTROLLER 210 help 211 This driver supports the SoC clocks on the Cortina Systems Gemini 212 platform, also known as SL3516 or CS3516. 213 214config COMMON_CLK_ASPEED 215 bool "Clock driver for Aspeed BMC SoCs" 216 depends on ARCH_ASPEED || COMPILE_TEST 217 default ARCH_ASPEED 218 select MFD_SYSCON 219 select RESET_CONTROLLER 220 help 221 This driver supports the SoC clocks on the Aspeed BMC platforms. 222 223 The G4 and G5 series, including the ast2400 and ast2500, are supported 224 by this driver. 225 226config COMMON_CLK_S2MPS11 227 tristate "Clock driver for S2MPS1X/S5M8767 MFD" 228 depends on MFD_SEC_CORE || COMPILE_TEST 229 help 230 This driver supports S2MPS11/S2MPS14/S5M8767 crystal oscillator 231 clock. These multi-function devices have two (S2MPS14) or three 232 (S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each. 233 234config CLK_TWL6040 235 tristate "External McPDM functional clock from twl6040" 236 depends on TWL6040_CORE 237 help 238 Enable the external functional clock support on OMAP4+ platforms for 239 McPDM. McPDM module is using the external bit clock on the McPDM bus 240 as functional clock. 241 242config COMMON_CLK_AXI_CLKGEN 243 tristate "AXI clkgen driver" 244 depends on ARCH_ZYNQ || MICROBLAZE || COMPILE_TEST 245 help 246 Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx 247 FPGAs. It is commonly used in Analog Devices' reference designs. 248 249config CLK_QORIQ 250 bool "Clock driver for Freescale QorIQ platforms" 251 depends on (PPC_E500MC || ARM || ARM64 || COMPILE_TEST) && OF 252 help 253 This adds the clock driver support for Freescale QorIQ platforms 254 using common clock framework. 255 256config CLK_LS1028A_PLLDIG 257 tristate "Clock driver for LS1028A Display output" 258 depends on ARCH_LAYERSCAPE || COMPILE_TEST 259 default ARCH_LAYERSCAPE 260 help 261 This driver support the Display output interfaces(LCD, DPHY) pixel clocks 262 of the QorIQ Layerscape LS1028A, as implemented TSMC CLN28HPM PLL. Not all 263 features of the PLL are currently supported by the driver. By default, 264 configured bypass mode with this PLL. 265 266config COMMON_CLK_XGENE 267 bool "Clock driver for APM XGene SoC" 268 default ARCH_XGENE 269 depends on ARM64 || COMPILE_TEST 270 help 271 Support for the APM X-Gene SoC reference, PLL, and device clocks. 272 273config COMMON_CLK_LOCHNAGAR 274 tristate "Cirrus Logic Lochnagar clock driver" 275 depends on MFD_LOCHNAGAR 276 help 277 This driver supports the clocking features of the Cirrus Logic 278 Lochnagar audio development board. 279 280config COMMON_CLK_NXP 281 def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX) 282 select REGMAP_MMIO if ARCH_LPC32XX 283 select MFD_SYSCON if ARCH_LPC18XX 284 help 285 Support for clock providers on NXP platforms. 286 287config COMMON_CLK_PALMAS 288 tristate "Clock driver for TI Palmas devices" 289 depends on MFD_PALMAS 290 help 291 This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO 292 using common clock framework. 293 294config COMMON_CLK_PWM 295 tristate "Clock driver for PWMs used as clock outputs" 296 depends on PWM 297 help 298 Adapter driver so that any PWM output can be (mis)used as clock signal 299 at 50% duty cycle. 300 301config COMMON_CLK_PXA 302 def_bool COMMON_CLK && ARCH_PXA 303 help 304 Support for the Marvell PXA SoC. 305 306config COMMON_CLK_PIC32 307 def_bool COMMON_CLK && MACH_PIC32 308 309config COMMON_CLK_OXNAS 310 bool "Clock driver for the OXNAS SoC Family" 311 depends on ARCH_OXNAS || COMPILE_TEST 312 select MFD_SYSCON 313 help 314 Support for the OXNAS SoC Family clocks. 315 316config COMMON_CLK_VC5 317 tristate "Clock driver for IDT VersaClock 5,6 devices" 318 depends on I2C 319 depends on OF 320 select REGMAP_I2C 321 help 322 This driver supports the IDT VersaClock 5 and VersaClock 6 323 programmable clock generators. 324 325config COMMON_CLK_STM32MP157 326 def_bool COMMON_CLK && MACH_STM32MP157 327 help 328 Support for stm32mp157 SoC family clocks 329 330config COMMON_CLK_STM32F 331 def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746) 332 help 333 Support for stm32f4 and stm32f7 SoC families clocks 334 335config COMMON_CLK_STM32H7 336 def_bool COMMON_CLK && MACH_STM32H743 337 help 338 Support for stm32h7 SoC family clocks 339 340config COMMON_CLK_MMP2 341 def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT) 342 help 343 Support for Marvell MMP2 and MMP3 SoC clocks 344 345config COMMON_CLK_MMP2_AUDIO 346 tristate "Clock driver for MMP2 Audio subsystem" 347 depends on COMMON_CLK_MMP2 || COMPILE_TEST 348 help 349 This driver supports clocks for Audio subsystem on MMP2 SoC. 350 351config COMMON_CLK_BD718XX 352 tristate "Clock driver for 32K clk gates on ROHM PMICs" 353 depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 || MFD_ROHM_BD71828 354 help 355 This driver supports ROHM BD71837, ROHM BD71847, ROHM BD71828 and 356 ROHM BD70528 PMICs clock gates. 357 358config COMMON_CLK_FIXED_MMIO 359 bool "Clock driver for Memory Mapped Fixed values" 360 depends on COMMON_CLK && OF 361 help 362 Support for Memory Mapped IO Fixed clocks 363 364source "drivers/clk/actions/Kconfig" 365source "drivers/clk/analogbits/Kconfig" 366source "drivers/clk/baikal-t1/Kconfig" 367source "drivers/clk/bcm/Kconfig" 368source "drivers/clk/hisilicon/Kconfig" 369source "drivers/clk/imgtec/Kconfig" 370source "drivers/clk/imx/Kconfig" 371source "drivers/clk/ingenic/Kconfig" 372source "drivers/clk/keystone/Kconfig" 373source "drivers/clk/mediatek/Kconfig" 374source "drivers/clk/meson/Kconfig" 375source "drivers/clk/mvebu/Kconfig" 376source "drivers/clk/qcom/Kconfig" 377source "drivers/clk/renesas/Kconfig" 378source "drivers/clk/samsung/Kconfig" 379source "drivers/clk/sifive/Kconfig" 380source "drivers/clk/sprd/Kconfig" 381source "drivers/clk/sunxi/Kconfig" 382source "drivers/clk/sunxi-ng/Kconfig" 383source "drivers/clk/tegra/Kconfig" 384source "drivers/clk/ti/Kconfig" 385source "drivers/clk/uniphier/Kconfig" 386source "drivers/clk/x86/Kconfig" 387source "drivers/clk/zynqmp/Kconfig" 388 389endif 390