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