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 HAVE_CLK_PREPARE 10 bool 11 12config HAVE_LEGACY_CLK # TODO: Remove once all legacy users are migrated 13 bool 14 select HAVE_CLK 15 help 16 Select this option when the clock API in <linux/clk.h> is implemented 17 by platform/architecture code. This method is deprecated. Modern 18 code should select COMMON_CLK instead and not define a custom 19 'struct clk'. 20 21menuconfig COMMON_CLK 22 bool "Common Clock Framework" 23 depends on !HAVE_LEGACY_CLK 24 select HAVE_CLK_PREPARE 25 select HAVE_CLK 26 select RATIONAL 27 help 28 The common clock framework is a single definition of struct 29 clk, useful across many platforms, as well as an 30 implementation of the clock API in include/linux/clk.h. 31 Architectures utilizing the common struct clk should select 32 this option. 33 34if COMMON_CLK 35 36config COMMON_CLK_WM831X 37 tristate "Clock driver for WM831x/2x PMICs" 38 depends on MFD_WM831X 39 help 40 Supports the clocking subsystem of the WM831x/2x series of 41 PMICs from Wolfson Microelectronics. 42 43source "drivers/clk/versatile/Kconfig" 44 45config CLK_HSDK 46 bool "PLL Driver for HSDK platform" 47 depends on ARC_SOC_HSDK || COMPILE_TEST 48 depends on HAS_IOMEM 49 help 50 This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs 51 control. 52 53config LMK04832 54 tristate "Ti LMK04832 JESD204B Compliant Clock Jitter Cleaner" 55 depends on SPI 56 select REGMAP_SPI 57 help 58 Say yes here to build support for Texas Instruments' LMK04832 Ultra 59 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs 60 61config COMMON_CLK_APPLE_NCO 62 tristate "Clock driver for Apple SoC NCOs" 63 depends on ARCH_APPLE || COMPILE_TEST 64 default ARCH_APPLE 65 help 66 This driver supports NCO (Numerically Controlled Oscillator) blocks 67 found on Apple SoCs such as t8103 (M1). The blocks are typically 68 generators of audio clocks. 69 70config COMMON_CLK_MAX77686 71 tristate "Clock driver for Maxim 77620/77686/77802 MFD" 72 depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST 73 help 74 This driver supports Maxim 77620/77686/77802 crystal oscillator 75 clock. 76 77config COMMON_CLK_MAX9485 78 tristate "Maxim 9485 Programmable Clock Generator" 79 depends on I2C 80 help 81 This driver supports Maxim 9485 Programmable Audio Clock Generator 82 83config COMMON_CLK_RK808 84 tristate "Clock driver for RK805/RK808/RK809/RK817/RK818" 85 depends on MFD_RK808 86 help 87 This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock. 88 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each. 89 Clkout1 is always on, Clkout2 can off by control register. 90 91config COMMON_CLK_HI655X 92 tristate "Clock driver for Hi655x" if EXPERT 93 depends on (MFD_HI655X_PMIC || COMPILE_TEST) 94 select REGMAP 95 default MFD_HI655X_PMIC 96 help 97 This driver supports the hi655x PMIC clock. This 98 multi-function device has one fixed-rate oscillator, clocked 99 at 32KHz. 100 101config COMMON_CLK_SCMI 102 tristate "Clock driver controlled via SCMI interface" 103 depends on ARM_SCMI_PROTOCOL || COMPILE_TEST 104 help 105 This driver provides support for clocks that are controlled 106 by firmware that implements the SCMI interface. 107 108 This driver uses SCMI Message Protocol to interact with the 109 firmware providing all the clock controls. 110 111config COMMON_CLK_SCPI 112 tristate "Clock driver controlled via SCPI interface" 113 depends on ARM_SCPI_PROTOCOL || COMPILE_TEST 114 help 115 This driver provides support for clocks that are controlled 116 by firmware that implements the SCPI interface. 117 118 This driver uses SCPI Message Protocol to interact with the 119 firmware providing all the clock controls. 120 121config COMMON_CLK_SI5341 122 tristate "Clock driver for SiLabs 5341 and 5340 A/B/C/D devices" 123 depends on I2C 124 select REGMAP_I2C 125 help 126 This driver supports Silicon Labs Si5341 and Si5340 programmable clock 127 generators. Not all features of these chips are currently supported 128 by the driver, in particular it only supports XTAL input. The chip can 129 be pre-programmed to support other configurations and features not yet 130 implemented in the driver. 131 132config COMMON_CLK_SI5351 133 tristate "Clock driver for SiLabs 5351A/B/C" 134 depends on I2C 135 select REGMAP_I2C 136 help 137 This driver supports Silicon Labs 5351A/B/C programmable clock 138 generators. 139 140config COMMON_CLK_SI514 141 tristate "Clock driver for SiLabs 514 devices" 142 depends on I2C 143 depends on OF 144 select REGMAP_I2C 145 help 146 This driver supports the Silicon Labs 514 programmable clock 147 generator. 148 149config COMMON_CLK_SI544 150 tristate "Clock driver for SiLabs 544 devices" 151 depends on I2C 152 select REGMAP_I2C 153 help 154 This driver supports the Silicon Labs 544 programmable clock 155 generator. 156 157config COMMON_CLK_SI570 158 tristate "Clock driver for SiLabs 570 and compatible devices" 159 depends on I2C 160 depends on OF 161 select REGMAP_I2C 162 help 163 This driver supports Silicon Labs 570/571/598/599 programmable 164 clock generators. 165 166config COMMON_CLK_BM1880 167 bool "Clock driver for Bitmain BM1880 SoC" 168 depends on ARCH_BITMAIN || COMPILE_TEST 169 default ARCH_BITMAIN 170 help 171 This driver supports the clocks on Bitmain BM1880 SoC. 172 173config COMMON_CLK_CDCE706 174 tristate "Clock driver for TI CDCE706 clock synthesizer" 175 depends on I2C 176 select REGMAP_I2C 177 help 178 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer. 179 180config COMMON_CLK_TPS68470 181 tristate "Clock Driver for TI TPS68470 PMIC" 182 depends on I2C 183 depends on INTEL_SKL_INT3472 || COMPILE_TEST 184 select REGMAP_I2C 185 help 186 This driver supports the clocks provided by the TPS68470 PMIC. 187 188config COMMON_CLK_CDCE925 189 tristate "Clock driver for TI CDCE913/925/937/949 devices" 190 depends on I2C 191 depends on OF 192 select REGMAP_I2C 193 help 194 This driver supports the TI CDCE913/925/937/949 programmable clock 195 synthesizer. Each chip has different number of PLLs and outputs. 196 For example, the CDCE925 contains two PLLs with spread-spectrum 197 clocking support and five output dividers. The driver only supports 198 the following setup, and uses a fixed setting for the output muxes. 199 Y1 is derived from the input clock 200 Y2 and Y3 derive from PLL1 201 Y4 and Y5 derive from PLL2 202 Given a target output frequency, the driver will set the PLL and 203 divider to best approximate the desired output. 204 205config COMMON_CLK_CS2000_CP 206 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier" 207 depends on I2C 208 select REGMAP_I2C 209 help 210 If you say yes here you get support for the CS2000 clock multiplier. 211 212config COMMON_CLK_EN7523 213 bool "Clock driver for Airoha EN7523 SoC system clocks" 214 depends on OF 215 depends on ARCH_AIROHA || COMPILE_TEST 216 default ARCH_AIROHA 217 help 218 This driver provides the fixed clocks and gates present on Airoha 219 ARM silicon. 220 221config COMMON_CLK_FSL_FLEXSPI 222 tristate "Clock driver for FlexSPI on Layerscape SoCs" 223 depends on ARCH_LAYERSCAPE || COMPILE_TEST 224 default ARCH_LAYERSCAPE && SPI_NXP_FLEXSPI 225 help 226 On Layerscape SoCs there is a special clock for the FlexSPI 227 interface. 228 229config COMMON_CLK_FSL_SAI 230 bool "Clock driver for BCLK of Freescale SAI cores" 231 depends on ARCH_LAYERSCAPE || COMPILE_TEST 232 help 233 This driver supports the Freescale SAI (Synchronous Audio Interface) 234 to be used as a generic clock output. Some SoCs have restrictions 235 regarding the possible pin multiplexer settings. Eg. on some SoCs 236 two SAI interfaces can only be enabled together. If just one is 237 needed, the BCLK pin of the second one can be used as general 238 purpose clock output. Ideally, it can be used to drive an audio 239 codec (sometimes known as MCLK). 240 241config COMMON_CLK_GEMINI 242 bool "Clock driver for Cortina Systems Gemini SoC" 243 depends on ARCH_GEMINI || COMPILE_TEST 244 select MFD_SYSCON 245 select RESET_CONTROLLER 246 help 247 This driver supports the SoC clocks on the Cortina Systems Gemini 248 platform, also known as SL3516 or CS3516. 249 250config COMMON_CLK_LAN966X 251 tristate "Generic Clock Controller driver for LAN966X SoC" 252 depends on HAS_IOMEM 253 depends on OF 254 depends on SOC_LAN966 || COMPILE_TEST 255 help 256 This driver provides support for Generic Clock Controller(GCK) on 257 LAN966X SoC. GCK generates and supplies clock to various peripherals 258 within the SoC. 259 260config COMMON_CLK_ASPEED 261 bool "Clock driver for Aspeed BMC SoCs" 262 depends on ARCH_ASPEED || COMPILE_TEST 263 default ARCH_ASPEED 264 select MFD_SYSCON 265 select RESET_CONTROLLER 266 help 267 This driver supports the SoC clocks on the Aspeed BMC platforms. 268 269 The G4 and G5 series, including the ast2400 and ast2500, are supported 270 by this driver. 271 272config COMMON_CLK_S2MPS11 273 tristate "Clock driver for S2MPS1X/S5M8767 MFD" 274 depends on MFD_SEC_CORE || COMPILE_TEST 275 help 276 This driver supports S2MPS11/S2MPS14/S5M8767 crystal oscillator 277 clock. These multi-function devices have two (S2MPS14) or three 278 (S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each. 279 280config CLK_TWL6040 281 tristate "External McPDM functional clock from twl6040" 282 depends on TWL6040_CORE 283 help 284 Enable the external functional clock support on OMAP4+ platforms for 285 McPDM. McPDM module is using the external bit clock on the McPDM bus 286 as functional clock. 287 288config COMMON_CLK_AXI_CLKGEN 289 tristate "AXI clkgen driver" 290 depends on HAS_IOMEM || COMPILE_TEST 291 depends on OF 292 help 293 Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx 294 FPGAs. It is commonly used in Analog Devices' reference designs. 295 296config CLK_QORIQ 297 bool "Clock driver for Freescale QorIQ platforms" 298 depends on OF 299 depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST 300 help 301 This adds the clock driver support for Freescale QorIQ platforms 302 using common clock framework. 303 304config CLK_LS1028A_PLLDIG 305 tristate "Clock driver for LS1028A Display output" 306 depends on ARCH_LAYERSCAPE || COMPILE_TEST 307 default ARCH_LAYERSCAPE 308 help 309 This driver support the Display output interfaces(LCD, DPHY) pixel clocks 310 of the QorIQ Layerscape LS1028A, as implemented TSMC CLN28HPM PLL. Not all 311 features of the PLL are currently supported by the driver. By default, 312 configured bypass mode with this PLL. 313 314config COMMON_CLK_XGENE 315 bool "Clock driver for APM XGene SoC" 316 default ARCH_XGENE 317 depends on ARM64 || COMPILE_TEST 318 help 319 Support for the APM X-Gene SoC reference, PLL, and device clocks. 320 321config COMMON_CLK_LOCHNAGAR 322 tristate "Cirrus Logic Lochnagar clock driver" 323 depends on MFD_LOCHNAGAR 324 help 325 This driver supports the clocking features of the Cirrus Logic 326 Lochnagar audio development board. 327 328config COMMON_CLK_NXP 329 def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX) 330 select REGMAP_MMIO if ARCH_LPC32XX 331 select MFD_SYSCON if ARCH_LPC18XX 332 help 333 Support for clock providers on NXP platforms. 334 335config COMMON_CLK_PALMAS 336 tristate "Clock driver for TI Palmas devices" 337 depends on MFD_PALMAS 338 help 339 This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO 340 using common clock framework. 341 342config COMMON_CLK_PWM 343 tristate "Clock driver for PWMs used as clock outputs" 344 depends on PWM 345 help 346 Adapter driver so that any PWM output can be (mis)used as clock signal 347 at 50% duty cycle. 348 349config COMMON_CLK_PXA 350 def_bool COMMON_CLK && ARCH_PXA 351 help 352 Support for the Marvell PXA SoC. 353 354config COMMON_CLK_OXNAS 355 bool "Clock driver for the OXNAS SoC Family" 356 depends on ARCH_OXNAS || COMPILE_TEST 357 select MFD_SYSCON 358 help 359 Support for the OXNAS SoC Family clocks. 360 361config COMMON_CLK_RS9_PCIE 362 tristate "Clock driver for Renesas 9-series PCIe clock generators" 363 depends on I2C 364 depends on OF 365 select REGMAP_I2C 366 help 367 This driver supports the Renesas 9-series PCIe clock generator 368 models 9FGV/9DBV/9DMV/9FGL/9DML/9QXL/9SQ. 369 370config COMMON_CLK_VC5 371 tristate "Clock driver for IDT VersaClock 5,6 devices" 372 depends on I2C 373 depends on OF 374 select REGMAP_I2C 375 help 376 This driver supports the IDT VersaClock 5 and VersaClock 6 377 programmable clock generators. 378 379config COMMON_CLK_VC7 380 tristate "Clock driver for Renesas Versaclock 7 devices" 381 depends on I2C 382 depends on OF 383 select REGMAP_I2C 384 help 385 Renesas Versaclock7 is a family of configurable clock generator 386 and jitter attenuator ICs with fractional and integer dividers. 387 388config COMMON_CLK_STM32MP135 389 def_bool COMMON_CLK && MACH_STM32MP13 390 help 391 Support for stm32mp135 SoC family clocks 392 393config COMMON_CLK_STM32MP157 394 def_bool COMMON_CLK && MACH_STM32MP157 395 help 396 Support for stm32mp157 SoC family clocks 397 398config COMMON_CLK_STM32F 399 def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746) 400 help 401 Support for stm32f4 and stm32f7 SoC families clocks 402 403config COMMON_CLK_STM32H7 404 def_bool COMMON_CLK && MACH_STM32H743 405 help 406 Support for stm32h7 SoC family clocks 407 408config COMMON_CLK_MMP2 409 def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT) 410 help 411 Support for Marvell MMP2 and MMP3 SoC clocks 412 413config COMMON_CLK_MMP2_AUDIO 414 tristate "Clock driver for MMP2 Audio subsystem" 415 depends on COMMON_CLK_MMP2 || COMPILE_TEST 416 help 417 This driver supports clocks for Audio subsystem on MMP2 SoC. 418 419config COMMON_CLK_BD718XX 420 tristate "Clock driver for 32K clk gates on ROHM PMICs" 421 depends on MFD_ROHM_BD718XX || MFD_ROHM_BD71828 422 help 423 This driver supports ROHM BD71837, BD71847, BD71850, BD71815 424 and BD71828 PMICs clock gates. 425 426config COMMON_CLK_FIXED_MMIO 427 bool "Clock driver for Memory Mapped Fixed values" 428 depends on COMMON_CLK && OF 429 help 430 Support for Memory Mapped IO Fixed clocks 431 432config COMMON_CLK_K210 433 bool "Clock driver for the Canaan Kendryte K210 SoC" 434 depends on OF && RISCV && SOC_CANAAN 435 default SOC_CANAAN 436 help 437 Support for the Canaan Kendryte K210 RISC-V SoC clocks. 438 439source "drivers/clk/actions/Kconfig" 440source "drivers/clk/analogbits/Kconfig" 441source "drivers/clk/baikal-t1/Kconfig" 442source "drivers/clk/bcm/Kconfig" 443source "drivers/clk/hisilicon/Kconfig" 444source "drivers/clk/imgtec/Kconfig" 445source "drivers/clk/imx/Kconfig" 446source "drivers/clk/ingenic/Kconfig" 447source "drivers/clk/keystone/Kconfig" 448source "drivers/clk/mediatek/Kconfig" 449source "drivers/clk/meson/Kconfig" 450source "drivers/clk/mstar/Kconfig" 451source "drivers/clk/microchip/Kconfig" 452source "drivers/clk/mvebu/Kconfig" 453source "drivers/clk/pistachio/Kconfig" 454source "drivers/clk/qcom/Kconfig" 455source "drivers/clk/ralink/Kconfig" 456source "drivers/clk/renesas/Kconfig" 457source "drivers/clk/rockchip/Kconfig" 458source "drivers/clk/samsung/Kconfig" 459source "drivers/clk/sifive/Kconfig" 460source "drivers/clk/socfpga/Kconfig" 461source "drivers/clk/sprd/Kconfig" 462source "drivers/clk/starfive/Kconfig" 463source "drivers/clk/sunxi/Kconfig" 464source "drivers/clk/sunxi-ng/Kconfig" 465source "drivers/clk/tegra/Kconfig" 466source "drivers/clk/ti/Kconfig" 467source "drivers/clk/uniphier/Kconfig" 468source "drivers/clk/visconti/Kconfig" 469source "drivers/clk/x86/Kconfig" 470source "drivers/clk/xilinx/Kconfig" 471source "drivers/clk/zynqmp/Kconfig" 472 473# Kunit test cases 474config CLK_KUNIT_TEST 475 tristate "Basic Clock Framework Kunit Tests" if !KUNIT_ALL_TESTS 476 depends on KUNIT 477 default KUNIT_ALL_TESTS 478 help 479 Kunit tests for the common clock framework. 480 481config CLK_GATE_KUNIT_TEST 482 tristate "Basic gate type Kunit test" if !KUNIT_ALL_TESTS 483 depends on KUNIT 484 default KUNIT_ALL_TESTS 485 help 486 Kunit test for the basic clk gate type. 487 488endif 489