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 HAS_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 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 help 166 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer. 167 168config COMMON_CLK_CDCE925 169 tristate "Clock driver for TI CDCE913/925/937/949 devices" 170 depends on I2C 171 depends on OF 172 select REGMAP_I2C 173 help 174 This driver supports the TI CDCE913/925/937/949 programmable clock 175 synthesizer. Each chip has different number of PLLs and outputs. 176 For example, the CDCE925 contains two PLLs with spread-spectrum 177 clocking support and five output dividers. The driver only supports 178 the following setup, and uses a fixed setting for the output muxes. 179 Y1 is derived from the input clock 180 Y2 and Y3 derive from PLL1 181 Y4 and Y5 derive from PLL2 182 Given a target output frequency, the driver will set the PLL and 183 divider to best approximate the desired output. 184 185config COMMON_CLK_CS2000_CP 186 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier" 187 depends on I2C 188 help 189 If you say yes here you get support for the CS2000 clock multiplier. 190 191config COMMON_CLK_FSL_SAI 192 bool "Clock driver for BCLK of Freescale SAI cores" 193 depends on ARCH_LAYERSCAPE || COMPILE_TEST 194 help 195 This driver supports the Freescale SAI (Synchronous Audio Interface) 196 to be used as a generic clock output. Some SoCs have restrictions 197 regarding the possible pin multiplexer settings. Eg. on some SoCs 198 two SAI interfaces can only be enabled together. If just one is 199 needed, the BCLK pin of the second one can be used as general 200 purpose clock output. Ideally, it can be used to drive an audio 201 codec (sometimes known as MCLK). 202 203config COMMON_CLK_GEMINI 204 bool "Clock driver for Cortina Systems Gemini SoC" 205 depends on ARCH_GEMINI || COMPILE_TEST 206 select MFD_SYSCON 207 select RESET_CONTROLLER 208 help 209 This driver supports the SoC clocks on the Cortina Systems Gemini 210 platform, also known as SL3516 or CS3516. 211 212config COMMON_CLK_ASPEED 213 bool "Clock driver for Aspeed BMC SoCs" 214 depends on ARCH_ASPEED || COMPILE_TEST 215 default ARCH_ASPEED 216 select MFD_SYSCON 217 select RESET_CONTROLLER 218 help 219 This driver supports the SoC clocks on the Aspeed BMC platforms. 220 221 The G4 and G5 series, including the ast2400 and ast2500, are supported 222 by this driver. 223 224config COMMON_CLK_S2MPS11 225 tristate "Clock driver for S2MPS1X/S5M8767 MFD" 226 depends on MFD_SEC_CORE || COMPILE_TEST 227 help 228 This driver supports S2MPS11/S2MPS14/S5M8767 crystal oscillator 229 clock. These multi-function devices have two (S2MPS14) or three 230 (S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each. 231 232config CLK_TWL6040 233 tristate "External McPDM functional clock from twl6040" 234 depends on TWL6040_CORE 235 help 236 Enable the external functional clock support on OMAP4+ platforms for 237 McPDM. McPDM module is using the external bit clock on the McPDM bus 238 as functional clock. 239 240config COMMON_CLK_AXI_CLKGEN 241 tristate "AXI clkgen driver" 242 depends on ARCH_ZYNQ || MICROBLAZE || COMPILE_TEST 243 help 244 Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx 245 FPGAs. It is commonly used in Analog Devices' reference designs. 246 247config CLK_QORIQ 248 bool "Clock driver for Freescale QorIQ platforms" 249 depends on (PPC_E500MC || ARM || ARM64 || COMPILE_TEST) && OF 250 help 251 This adds the clock driver support for Freescale QorIQ platforms 252 using common clock framework. 253 254config CLK_LS1028A_PLLDIG 255 tristate "Clock driver for LS1028A Display output" 256 depends on ARCH_LAYERSCAPE || COMPILE_TEST 257 default ARCH_LAYERSCAPE 258 help 259 This driver support the Display output interfaces(LCD, DPHY) pixel clocks 260 of the QorIQ Layerscape LS1028A, as implemented TSMC CLN28HPM PLL. Not all 261 features of the PLL are currently supported by the driver. By default, 262 configured bypass mode with this PLL. 263 264config COMMON_CLK_XGENE 265 bool "Clock driver for APM XGene SoC" 266 default ARCH_XGENE 267 depends on ARM64 || COMPILE_TEST 268 help 269 Support for the APM X-Gene SoC reference, PLL, and device clocks. 270 271config COMMON_CLK_LOCHNAGAR 272 tristate "Cirrus Logic Lochnagar clock driver" 273 depends on MFD_LOCHNAGAR 274 help 275 This driver supports the clocking features of the Cirrus Logic 276 Lochnagar audio development board. 277 278config COMMON_CLK_NXP 279 def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX) 280 select REGMAP_MMIO if ARCH_LPC32XX 281 select MFD_SYSCON if ARCH_LPC18XX 282 help 283 Support for clock providers on NXP platforms. 284 285config COMMON_CLK_PALMAS 286 tristate "Clock driver for TI Palmas devices" 287 depends on MFD_PALMAS 288 help 289 This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO 290 using common clock framework. 291 292config COMMON_CLK_PWM 293 tristate "Clock driver for PWMs used as clock outputs" 294 depends on PWM 295 help 296 Adapter driver so that any PWM output can be (mis)used as clock signal 297 at 50% duty cycle. 298 299config COMMON_CLK_PXA 300 def_bool COMMON_CLK && ARCH_PXA 301 help 302 Support for the Marvell PXA SoC. 303 304config COMMON_CLK_PIC32 305 def_bool COMMON_CLK && MACH_PIC32 306 307config COMMON_CLK_OXNAS 308 bool "Clock driver for the OXNAS SoC Family" 309 depends on ARCH_OXNAS || COMPILE_TEST 310 select MFD_SYSCON 311 help 312 Support for the OXNAS SoC Family clocks. 313 314config COMMON_CLK_VC5 315 tristate "Clock driver for IDT VersaClock 5,6 devices" 316 depends on I2C 317 depends on OF 318 select REGMAP_I2C 319 help 320 This driver supports the IDT VersaClock 5 and VersaClock 6 321 programmable clock generators. 322 323config COMMON_CLK_STM32MP157 324 def_bool COMMON_CLK && MACH_STM32MP157 325 help 326 Support for stm32mp157 SoC family clocks 327 328config COMMON_CLK_STM32F 329 def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746) 330 help 331 Support for stm32f4 and stm32f7 SoC families clocks 332 333config COMMON_CLK_STM32H7 334 def_bool COMMON_CLK && MACH_STM32H743 335 help 336 Support for stm32h7 SoC family clocks 337 338config COMMON_CLK_MMP2 339 def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT) 340 help 341 Support for Marvell MMP2 and MMP3 SoC clocks 342 343config COMMON_CLK_MMP2_AUDIO 344 tristate "Clock driver for MMP2 Audio subsystem" 345 depends on COMMON_CLK_MMP2 || COMPILE_TEST 346 help 347 This driver supports clocks for Audio subsystem on MMP2 SoC. 348 349config COMMON_CLK_BD718XX 350 tristate "Clock driver for 32K clk gates on ROHM PMICs" 351 depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 || MFD_ROHM_BD71828 352 help 353 This driver supports ROHM BD71837, ROHM BD71847, ROHM BD71828 and 354 ROHM BD70528 PMICs clock gates. 355 356config COMMON_CLK_FIXED_MMIO 357 bool "Clock driver for Memory Mapped Fixed values" 358 depends on COMMON_CLK && OF 359 help 360 Support for Memory Mapped IO Fixed clocks 361 362source "drivers/clk/actions/Kconfig" 363source "drivers/clk/analogbits/Kconfig" 364source "drivers/clk/baikal-t1/Kconfig" 365source "drivers/clk/bcm/Kconfig" 366source "drivers/clk/hisilicon/Kconfig" 367source "drivers/clk/imgtec/Kconfig" 368source "drivers/clk/imx/Kconfig" 369source "drivers/clk/ingenic/Kconfig" 370source "drivers/clk/keystone/Kconfig" 371source "drivers/clk/mediatek/Kconfig" 372source "drivers/clk/meson/Kconfig" 373source "drivers/clk/mvebu/Kconfig" 374source "drivers/clk/qcom/Kconfig" 375source "drivers/clk/renesas/Kconfig" 376source "drivers/clk/samsung/Kconfig" 377source "drivers/clk/sifive/Kconfig" 378source "drivers/clk/sprd/Kconfig" 379source "drivers/clk/sunxi/Kconfig" 380source "drivers/clk/sunxi-ng/Kconfig" 381source "drivers/clk/tegra/Kconfig" 382source "drivers/clk/ti/Kconfig" 383source "drivers/clk/uniphier/Kconfig" 384source "drivers/clk/x86/Kconfig" 385source "drivers/clk/zynqmp/Kconfig" 386 387endif 388