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_RK8XX 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_EP93XX 222 tristate "Clock driver for Cirrus Logic ep93xx SoC" 223 depends on ARCH_EP93XX || COMPILE_TEST 224 select AUXILIARY_BUS 225 select REGMAP_MMIO 226 help 227 This driver supports the SoC clocks on the Cirrus Logic ep93xx. 228 229config COMMON_CLK_FSL_FLEXSPI 230 tristate "Clock driver for FlexSPI on Layerscape SoCs" 231 depends on ARCH_LAYERSCAPE || COMPILE_TEST 232 default ARCH_LAYERSCAPE && SPI_NXP_FLEXSPI 233 help 234 On Layerscape SoCs there is a special clock for the FlexSPI 235 interface. 236 237config COMMON_CLK_FSL_SAI 238 bool "Clock driver for BCLK of Freescale SAI cores" 239 depends on ARCH_LAYERSCAPE || COMPILE_TEST 240 help 241 This driver supports the Freescale SAI (Synchronous Audio Interface) 242 to be used as a generic clock output. Some SoCs have restrictions 243 regarding the possible pin multiplexer settings. Eg. on some SoCs 244 two SAI interfaces can only be enabled together. If just one is 245 needed, the BCLK pin of the second one can be used as general 246 purpose clock output. Ideally, it can be used to drive an audio 247 codec (sometimes known as MCLK). 248 249config COMMON_CLK_GEMINI 250 bool "Clock driver for Cortina Systems Gemini SoC" 251 depends on ARCH_GEMINI || COMPILE_TEST 252 select MFD_SYSCON 253 select RESET_CONTROLLER 254 help 255 This driver supports the SoC clocks on the Cortina Systems Gemini 256 platform, also known as SL3516 or CS3516. 257 258config COMMON_CLK_LAN966X 259 tristate "Generic Clock Controller driver for LAN966X SoC" 260 depends on HAS_IOMEM 261 depends on OF 262 depends on SOC_LAN966 || COMPILE_TEST 263 help 264 This driver provides support for Generic Clock Controller(GCK) on 265 LAN966X SoC. GCK generates and supplies clock to various peripherals 266 within the SoC. 267 268config COMMON_CLK_ASPEED 269 bool "Clock driver for Aspeed BMC SoCs" 270 depends on ARCH_ASPEED || COMPILE_TEST 271 default ARCH_ASPEED 272 select MFD_SYSCON 273 select RESET_CONTROLLER 274 help 275 This driver supports the SoC clocks on the Aspeed BMC platforms. 276 277 The G4 and G5 series, including the ast2400 and ast2500, are supported 278 by this driver. 279 280config COMMON_CLK_S2MPS11 281 tristate "Clock driver for S2MPS1X/S5M8767 MFD" 282 depends on MFD_SEC_CORE || COMPILE_TEST 283 help 284 This driver supports S2MPS11/S2MPS14/S5M8767 crystal oscillator 285 clock. These multi-function devices have two (S2MPS14) or three 286 (S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each. 287 288config CLK_TWL 289 tristate "Clock driver for the TWL PMIC family" 290 depends on TWL4030_CORE 291 help 292 Enable support for controlling the clock resources on TWL family 293 PMICs. These devices have some 32K clock outputs which can be 294 controlled by software. For now, only the TWL6032 clocks are 295 supported. 296 297config CLK_TWL6040 298 tristate "External McPDM functional clock from twl6040" 299 depends on TWL6040_CORE 300 help 301 Enable the external functional clock support on OMAP4+ platforms for 302 McPDM. McPDM module is using the external bit clock on the McPDM bus 303 as functional clock. 304 305config COMMON_CLK_AXI_CLKGEN 306 tristate "AXI clkgen driver" 307 depends on HAS_IOMEM || COMPILE_TEST 308 depends on OF 309 help 310 Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx 311 FPGAs. It is commonly used in Analog Devices' reference designs. 312 313config CLK_QORIQ 314 bool "Clock driver for Freescale QorIQ platforms" 315 depends on OF 316 depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST 317 help 318 This adds the clock driver support for Freescale QorIQ platforms 319 using common clock framework. 320 321config CLK_LS1028A_PLLDIG 322 tristate "Clock driver for LS1028A Display output" 323 depends on ARCH_LAYERSCAPE || COMPILE_TEST 324 default ARCH_LAYERSCAPE 325 help 326 This driver support the Display output interfaces(LCD, DPHY) pixel clocks 327 of the QorIQ Layerscape LS1028A, as implemented TSMC CLN28HPM PLL. Not all 328 features of the PLL are currently supported by the driver. By default, 329 configured bypass mode with this PLL. 330 331config COMMON_CLK_XGENE 332 bool "Clock driver for APM XGene SoC" 333 default ARCH_XGENE 334 depends on ARM64 || COMPILE_TEST 335 help 336 Support for the APM X-Gene SoC reference, PLL, and device clocks. 337 338config COMMON_CLK_LOCHNAGAR 339 tristate "Cirrus Logic Lochnagar clock driver" 340 depends on MFD_LOCHNAGAR 341 help 342 This driver supports the clocking features of the Cirrus Logic 343 Lochnagar audio development board. 344 345config COMMON_CLK_NPCM8XX 346 tristate "Clock driver for the NPCM8XX SoC Family" 347 depends on ARCH_NPCM || COMPILE_TEST 348 help 349 This driver supports the clocks on the Nuvoton BMC NPCM8XX SoC Family, 350 all the clocks are initialized by the bootloader, so this driver 351 allows only reading of current settings directly from the hardware. 352 353config COMMON_CLK_LOONGSON2 354 bool "Clock driver for Loongson-2 SoC" 355 depends on LOONGARCH || COMPILE_TEST 356 help 357 This driver provides support for clock controller on Loongson-2 SoC. 358 The clock controller can generates and supplies clock to various 359 peripherals within the SoC. 360 Say Y here to support Loongson-2 SoC clock driver. 361 362config COMMON_CLK_NXP 363 def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX) 364 select REGMAP_MMIO if ARCH_LPC32XX 365 select MFD_SYSCON if ARCH_LPC18XX 366 help 367 Support for clock providers on NXP platforms. 368 369config COMMON_CLK_PALMAS 370 tristate "Clock driver for TI Palmas devices" 371 depends on MFD_PALMAS 372 help 373 This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO 374 using common clock framework. 375 376config COMMON_CLK_PWM 377 tristate "Clock driver for PWMs used as clock outputs" 378 depends on PWM 379 help 380 Adapter driver so that any PWM output can be (mis)used as clock signal 381 at 50% duty cycle. 382 383config COMMON_CLK_PXA 384 def_bool COMMON_CLK && ARCH_PXA 385 help 386 Support for the Marvell PXA SoC. 387 388config COMMON_CLK_RS9_PCIE 389 tristate "Clock driver for Renesas 9-series PCIe clock generators" 390 depends on I2C 391 depends on OF 392 select REGMAP_I2C 393 help 394 This driver supports the Renesas 9-series PCIe clock generator 395 models 9FGV/9DBV/9DMV/9FGL/9DML/9QXL/9SQ. 396 397config COMMON_CLK_SI521XX 398 tristate "Clock driver for SkyWorks Si521xx PCIe clock generators" 399 depends on I2C 400 depends on OF 401 select REGMAP_I2C 402 help 403 This driver supports the SkyWorks Si521xx PCIe clock generator 404 models Si52144/Si52146/Si52147. 405 406config COMMON_CLK_VC3 407 tristate "Clock driver for Renesas VersaClock 3 devices" 408 depends on I2C 409 depends on OF 410 select REGMAP_I2C 411 help 412 This driver supports the Renesas VersaClock 3 programmable clock 413 generators. 414 415config COMMON_CLK_VC5 416 tristate "Clock driver for IDT VersaClock 5,6 devices" 417 depends on I2C 418 depends on OF 419 select REGMAP_I2C 420 help 421 This driver supports the IDT VersaClock 5 and VersaClock 6 422 programmable clock generators. 423 424config COMMON_CLK_VC7 425 tristate "Clock driver for Renesas Versaclock 7 devices" 426 depends on I2C 427 depends on OF 428 select REGMAP_I2C 429 help 430 Renesas Versaclock7 is a family of configurable clock generator 431 and jitter attenuator ICs with fractional and integer dividers. 432 433config COMMON_CLK_STM32F 434 def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746) 435 help 436 Support for stm32f4 and stm32f7 SoC families clocks 437 438config COMMON_CLK_STM32H7 439 def_bool COMMON_CLK && MACH_STM32H743 440 help 441 Support for stm32h7 SoC family clocks 442 443config COMMON_CLK_MMP2 444 def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT) 445 help 446 Support for Marvell MMP2 and MMP3 SoC clocks 447 448config COMMON_CLK_MMP2_AUDIO 449 tristate "Clock driver for MMP2 Audio subsystem" 450 depends on COMMON_CLK_MMP2 || COMPILE_TEST 451 help 452 This driver supports clocks for Audio subsystem on MMP2 SoC. 453 454config COMMON_CLK_BD718XX 455 tristate "Clock driver for 32K clk gates on ROHM PMICs" 456 depends on MFD_ROHM_BD718XX || MFD_ROHM_BD71828 457 help 458 This driver supports ROHM BD71837, BD71847, BD71850, BD71815 459 and BD71828 PMICs clock gates. 460 461config COMMON_CLK_FIXED_MMIO 462 bool "Clock driver for Memory Mapped Fixed values" 463 depends on COMMON_CLK && OF 464 depends on HAS_IOMEM 465 help 466 Support for Memory Mapped IO Fixed clocks 467 468config COMMON_CLK_K210 469 bool "Clock driver for the Canaan Kendryte K210 SoC" 470 depends on OF && RISCV && SOC_CANAAN_K210 471 default SOC_CANAAN_K210 472 help 473 Support for the Canaan Kendryte K210 RISC-V SoC clocks. 474 475config COMMON_CLK_SP7021 476 tristate "Clock driver for Sunplus SP7021 SoC" 477 depends on SOC_SP7021 || COMPILE_TEST 478 default SOC_SP7021 479 help 480 This driver supports the Sunplus SP7021 SoC clocks. 481 It implements SP7021 PLLs/gate. 482 Not all features of the PLL are currently supported 483 by the driver. 484 485source "drivers/clk/actions/Kconfig" 486source "drivers/clk/analogbits/Kconfig" 487source "drivers/clk/baikal-t1/Kconfig" 488source "drivers/clk/bcm/Kconfig" 489source "drivers/clk/hisilicon/Kconfig" 490source "drivers/clk/imgtec/Kconfig" 491source "drivers/clk/imx/Kconfig" 492source "drivers/clk/ingenic/Kconfig" 493source "drivers/clk/keystone/Kconfig" 494source "drivers/clk/mediatek/Kconfig" 495source "drivers/clk/meson/Kconfig" 496source "drivers/clk/mstar/Kconfig" 497source "drivers/clk/microchip/Kconfig" 498source "drivers/clk/mvebu/Kconfig" 499source "drivers/clk/nuvoton/Kconfig" 500source "drivers/clk/pistachio/Kconfig" 501source "drivers/clk/qcom/Kconfig" 502source "drivers/clk/ralink/Kconfig" 503source "drivers/clk/renesas/Kconfig" 504source "drivers/clk/rockchip/Kconfig" 505source "drivers/clk/samsung/Kconfig" 506source "drivers/clk/sifive/Kconfig" 507source "drivers/clk/socfpga/Kconfig" 508source "drivers/clk/sophgo/Kconfig" 509source "drivers/clk/sprd/Kconfig" 510source "drivers/clk/starfive/Kconfig" 511source "drivers/clk/sunxi/Kconfig" 512source "drivers/clk/sunxi-ng/Kconfig" 513source "drivers/clk/tegra/Kconfig" 514source "drivers/clk/thead/Kconfig" 515source "drivers/clk/stm32/Kconfig" 516source "drivers/clk/ti/Kconfig" 517source "drivers/clk/uniphier/Kconfig" 518source "drivers/clk/visconti/Kconfig" 519source "drivers/clk/x86/Kconfig" 520source "drivers/clk/xilinx/Kconfig" 521source "drivers/clk/zynqmp/Kconfig" 522 523# Kunit test cases 524config CLK_KUNIT_TEST 525 tristate "Basic Clock Framework Kunit Tests" if !KUNIT_ALL_TESTS 526 depends on KUNIT 527 default KUNIT_ALL_TESTS 528 select OF_OVERLAY if OF 529 select DTC 530 help 531 Kunit tests for the common clock framework. 532 533config CLK_FIXED_RATE_KUNIT_TEST 534 tristate "Basic fixed rate clk type KUnit test" if !KUNIT_ALL_TESTS 535 depends on KUNIT 536 default KUNIT_ALL_TESTS 537 select OF_OVERLAY if OF 538 select DTC 539 help 540 KUnit tests for the basic fixed rate clk type. 541 542config CLK_GATE_KUNIT_TEST 543 tristate "Basic gate type Kunit test" if !KUNIT_ALL_TESTS 544 depends on KUNIT 545 depends on !S390 546 default KUNIT_ALL_TESTS 547 help 548 Kunit test for the basic clk gate type. 549 550config CLK_FD_KUNIT_TEST 551 tristate "Basic fractional divider type Kunit test" if !KUNIT_ALL_TESTS 552 depends on KUNIT 553 default KUNIT_ALL_TESTS 554 help 555 Kunit test for the clk-fractional-divider type. 556 557endif 558