1 # SPDX-License-Identifier: GPL-2.0
6 The <linux/clk.h> calls support software clock gating and
7 thus are a key power management tool on many systems.
9 config HAVE_CLK_PREPARE
12 config HAVE_LEGACY_CLK # TODO: Remove once all legacy users are migrated
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
22 bool "Common Clock Framework"
23 depends on !HAVE_LEGACY_CLK
24 select HAVE_CLK_PREPARE
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
36 config COMMON_CLK_WM831X
37 tristate "Clock driver for WM831x/2x PMICs"
40 Supports the clocking subsystem of the WM831x/2x series of
41 PMICs from Wolfson Microelectronics.
43 source "drivers/clk/versatile/Kconfig"
46 bool "PLL Driver for HSDK platform"
47 depends on ARC_SOC_HSDK || COMPILE_TEST
50 This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs
54 tristate "Ti LMK04832 JESD204B Compliant Clock Jitter Cleaner"
58 Say yes here to build support for Texas Instruments' LMK04832 Ultra
59 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
61 config COMMON_CLK_APPLE_NCO
62 tristate "Clock driver for Apple SoC NCOs"
63 depends on ARCH_APPLE || COMPILE_TEST
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.
70 config COMMON_CLK_MAX77686
71 tristate "Clock driver for Maxim 77620/77686/77802 MFD"
72 depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST
74 This driver supports Maxim 77620/77686/77802 crystal oscillator
77 config COMMON_CLK_MAX9485
78 tristate "Maxim 9485 Programmable Clock Generator"
81 This driver supports Maxim 9485 Programmable Audio Clock Generator
83 config COMMON_CLK_RK808
84 tristate "Clock driver for RK805/RK808/RK809/RK817/RK818"
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.
91 config COMMON_CLK_HI655X
92 tristate "Clock driver for Hi655x" if EXPERT
93 depends on (MFD_HI655X_PMIC || COMPILE_TEST)
95 default MFD_HI655X_PMIC
97 This driver supports the hi655x PMIC clock. This
98 multi-function device has one fixed-rate oscillator, clocked
101 config COMMON_CLK_SCMI
102 tristate "Clock driver controlled via SCMI interface"
103 depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
105 This driver provides support for clocks that are controlled
106 by firmware that implements the SCMI interface.
108 This driver uses SCMI Message Protocol to interact with the
109 firmware providing all the clock controls.
111 config COMMON_CLK_SCPI
112 tristate "Clock driver controlled via SCPI interface"
113 depends on ARM_SCPI_PROTOCOL || COMPILE_TEST
115 This driver provides support for clocks that are controlled
116 by firmware that implements the SCPI interface.
118 This driver uses SCPI Message Protocol to interact with the
119 firmware providing all the clock controls.
121 config COMMON_CLK_SI5341
122 tristate "Clock driver for SiLabs 5341 and 5340 A/B/C/D devices"
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.
132 config COMMON_CLK_SI5351
133 tristate "Clock driver for SiLabs 5351A/B/C"
137 This driver supports Silicon Labs 5351A/B/C programmable clock
140 config COMMON_CLK_SI514
141 tristate "Clock driver for SiLabs 514 devices"
146 This driver supports the Silicon Labs 514 programmable clock
149 config COMMON_CLK_SI544
150 tristate "Clock driver for SiLabs 544 devices"
154 This driver supports the Silicon Labs 544 programmable clock
157 config COMMON_CLK_SI570
158 tristate "Clock driver for SiLabs 570 and compatible devices"
163 This driver supports Silicon Labs 570/571/598/599 programmable
166 config COMMON_CLK_BM1880
167 bool "Clock driver for Bitmain BM1880 SoC"
168 depends on ARCH_BITMAIN || COMPILE_TEST
171 This driver supports the clocks on Bitmain BM1880 SoC.
173 config COMMON_CLK_CDCE706
174 tristate "Clock driver for TI CDCE706 clock synthesizer"
178 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
180 config COMMON_CLK_TPS68470
181 tristate "Clock Driver for TI TPS68470 PMIC"
183 depends on INTEL_SKL_INT3472 || COMPILE_TEST
186 This driver supports the clocks provided by the TPS68470 PMIC.
188 config COMMON_CLK_CDCE925
189 tristate "Clock driver for TI CDCE913/925/937/949 devices"
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.
205 config COMMON_CLK_CS2000_CP
206 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier"
210 If you say yes here you get support for the CS2000 clock multiplier.
212 config COMMON_CLK_EN7523
213 bool "Clock driver for Airoha EN7523 SoC system clocks"
215 depends on ARCH_AIROHA || COMPILE_TEST
218 This driver provides the fixed clocks and gates present on Airoha
221 config COMMON_CLK_EP93XX
222 tristate "Clock driver for Cirrus Logic ep93xx SoC"
223 depends on ARCH_EP93XX || COMPILE_TEST
227 This driver supports the SoC clocks on the Cirrus Logic ep93xx.
229 config 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
234 On Layerscape SoCs there is a special clock for the FlexSPI
237 config COMMON_CLK_FSL_SAI
238 bool "Clock driver for BCLK of Freescale SAI cores"
239 depends on ARCH_LAYERSCAPE || COMPILE_TEST
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).
249 config COMMON_CLK_GEMINI
250 bool "Clock driver for Cortina Systems Gemini SoC"
251 depends on ARCH_GEMINI || COMPILE_TEST
253 select RESET_CONTROLLER
255 This driver supports the SoC clocks on the Cortina Systems Gemini
256 platform, also known as SL3516 or CS3516.
258 config COMMON_CLK_LAN966X
259 tristate "Generic Clock Controller driver for LAN966X SoC"
262 depends on SOC_LAN966 || COMPILE_TEST
264 This driver provides support for Generic Clock Controller(GCK) on
265 LAN966X SoC. GCK generates and supplies clock to various peripherals
268 config COMMON_CLK_ASPEED
269 bool "Clock driver for Aspeed BMC SoCs"
270 depends on ARCH_ASPEED || COMPILE_TEST
273 select RESET_CONTROLLER
275 This driver supports the SoC clocks on the Aspeed BMC platforms.
277 The G4 and G5 series, including the ast2400 and ast2500, are supported
280 config COMMON_CLK_S2MPS11
281 tristate "Clock driver for S2MPS1X/S5M8767 MFD"
282 depends on MFD_SEC_CORE || COMPILE_TEST
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.
289 tristate "Clock driver for the TWL PMIC family"
290 depends on TWL4030_CORE
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
298 tristate "External McPDM functional clock from twl6040"
299 depends on TWL6040_CORE
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
305 config COMMON_CLK_AXI_CLKGEN
306 tristate "AXI clkgen driver"
307 depends on HAS_IOMEM || COMPILE_TEST
310 Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx
311 FPGAs. It is commonly used in Analog Devices' reference designs.
314 bool "Clock driver for Freescale QorIQ platforms"
316 depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
318 This adds the clock driver support for Freescale QorIQ platforms
319 using common clock framework.
321 config CLK_LS1028A_PLLDIG
322 tristate "Clock driver for LS1028A Display output"
323 depends on ARCH_LAYERSCAPE || COMPILE_TEST
324 default ARCH_LAYERSCAPE
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.
331 config COMMON_CLK_XGENE
332 bool "Clock driver for APM XGene SoC"
334 depends on ARM64 || COMPILE_TEST
336 Support for the APM X-Gene SoC reference, PLL, and device clocks.
338 config COMMON_CLK_LOCHNAGAR
339 tristate "Cirrus Logic Lochnagar clock driver"
340 depends on MFD_LOCHNAGAR
342 This driver supports the clocking features of the Cirrus Logic
343 Lochnagar audio development board.
345 config COMMON_CLK_LOONGSON2
346 bool "Clock driver for Loongson-2 SoC"
347 depends on LOONGARCH || COMPILE_TEST
349 This driver provides support for clock controller on Loongson-2 SoC.
350 The clock controller can generates and supplies clock to various
351 peripherals within the SoC.
352 Say Y here to support Loongson-2 SoC clock driver.
354 config COMMON_CLK_NXP
355 def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX)
356 select REGMAP_MMIO if ARCH_LPC32XX
357 select MFD_SYSCON if ARCH_LPC18XX
359 Support for clock providers on NXP platforms.
361 config COMMON_CLK_PALMAS
362 tristate "Clock driver for TI Palmas devices"
363 depends on MFD_PALMAS
365 This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO
366 using common clock framework.
368 config COMMON_CLK_PWM
369 tristate "Clock driver for PWMs used as clock outputs"
372 Adapter driver so that any PWM output can be (mis)used as clock signal
375 config COMMON_CLK_PXA
376 def_bool COMMON_CLK && ARCH_PXA
378 Support for the Marvell PXA SoC.
380 config COMMON_CLK_RS9_PCIE
381 tristate "Clock driver for Renesas 9-series PCIe clock generators"
386 This driver supports the Renesas 9-series PCIe clock generator
387 models 9FGV/9DBV/9DMV/9FGL/9DML/9QXL/9SQ.
389 config COMMON_CLK_SI521XX
390 tristate "Clock driver for SkyWorks Si521xx PCIe clock generators"
395 This driver supports the SkyWorks Si521xx PCIe clock generator
396 models Si52144/Si52146/Si52147.
398 config COMMON_CLK_VC3
399 tristate "Clock driver for Renesas VersaClock 3 devices"
404 This driver supports the Renesas VersaClock 3 programmable clock
407 config COMMON_CLK_VC5
408 tristate "Clock driver for IDT VersaClock 5,6 devices"
413 This driver supports the IDT VersaClock 5 and VersaClock 6
414 programmable clock generators.
416 config COMMON_CLK_VC7
417 tristate "Clock driver for Renesas Versaclock 7 devices"
422 Renesas Versaclock7 is a family of configurable clock generator
423 and jitter attenuator ICs with fractional and integer dividers.
425 config COMMON_CLK_STM32F
426 def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746)
428 Support for stm32f4 and stm32f7 SoC families clocks
430 config COMMON_CLK_STM32H7
431 def_bool COMMON_CLK && MACH_STM32H743
433 Support for stm32h7 SoC family clocks
435 config COMMON_CLK_MMP2
436 def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT)
438 Support for Marvell MMP2 and MMP3 SoC clocks
440 config COMMON_CLK_MMP2_AUDIO
441 tristate "Clock driver for MMP2 Audio subsystem"
442 depends on COMMON_CLK_MMP2 || COMPILE_TEST
444 This driver supports clocks for Audio subsystem on MMP2 SoC.
446 config COMMON_CLK_BD718XX
447 tristate "Clock driver for 32K clk gates on ROHM PMICs"
448 depends on MFD_ROHM_BD718XX || MFD_ROHM_BD71828
450 This driver supports ROHM BD71837, BD71847, BD71850, BD71815
451 and BD71828 PMICs clock gates.
453 config COMMON_CLK_FIXED_MMIO
454 bool "Clock driver for Memory Mapped Fixed values"
455 depends on COMMON_CLK && OF
458 Support for Memory Mapped IO Fixed clocks
460 config COMMON_CLK_K210
461 bool "Clock driver for the Canaan Kendryte K210 SoC"
462 depends on OF && RISCV && SOC_CANAAN_K210
463 default SOC_CANAAN_K210
465 Support for the Canaan Kendryte K210 RISC-V SoC clocks.
467 config COMMON_CLK_SP7021
468 tristate "Clock driver for Sunplus SP7021 SoC"
469 depends on SOC_SP7021 || COMPILE_TEST
472 This driver supports the Sunplus SP7021 SoC clocks.
473 It implements SP7021 PLLs/gate.
474 Not all features of the PLL are currently supported
477 source "drivers/clk/actions/Kconfig"
478 source "drivers/clk/analogbits/Kconfig"
479 source "drivers/clk/baikal-t1/Kconfig"
480 source "drivers/clk/bcm/Kconfig"
481 source "drivers/clk/hisilicon/Kconfig"
482 source "drivers/clk/imgtec/Kconfig"
483 source "drivers/clk/imx/Kconfig"
484 source "drivers/clk/ingenic/Kconfig"
485 source "drivers/clk/keystone/Kconfig"
486 source "drivers/clk/mediatek/Kconfig"
487 source "drivers/clk/meson/Kconfig"
488 source "drivers/clk/mstar/Kconfig"
489 source "drivers/clk/microchip/Kconfig"
490 source "drivers/clk/mvebu/Kconfig"
491 source "drivers/clk/nuvoton/Kconfig"
492 source "drivers/clk/pistachio/Kconfig"
493 source "drivers/clk/qcom/Kconfig"
494 source "drivers/clk/ralink/Kconfig"
495 source "drivers/clk/renesas/Kconfig"
496 source "drivers/clk/rockchip/Kconfig"
497 source "drivers/clk/samsung/Kconfig"
498 source "drivers/clk/sifive/Kconfig"
499 source "drivers/clk/socfpga/Kconfig"
500 source "drivers/clk/sophgo/Kconfig"
501 source "drivers/clk/sprd/Kconfig"
502 source "drivers/clk/starfive/Kconfig"
503 source "drivers/clk/sunxi/Kconfig"
504 source "drivers/clk/sunxi-ng/Kconfig"
505 source "drivers/clk/tegra/Kconfig"
506 source "drivers/clk/thead/Kconfig"
507 source "drivers/clk/stm32/Kconfig"
508 source "drivers/clk/ti/Kconfig"
509 source "drivers/clk/uniphier/Kconfig"
510 source "drivers/clk/visconti/Kconfig"
511 source "drivers/clk/x86/Kconfig"
512 source "drivers/clk/xilinx/Kconfig"
513 source "drivers/clk/zynqmp/Kconfig"
516 config CLK_KUNIT_TEST
517 tristate "Basic Clock Framework Kunit Tests" if !KUNIT_ALL_TESTS
519 default KUNIT_ALL_TESTS
520 select OF_OVERLAY if OF
523 Kunit tests for the common clock framework.
525 config CLK_FIXED_RATE_KUNIT_TEST
526 tristate "Basic fixed rate clk type KUnit test" if !KUNIT_ALL_TESTS
528 default KUNIT_ALL_TESTS
529 select OF_OVERLAY if OF
532 KUnit tests for the basic fixed rate clk type.
534 config CLK_GATE_KUNIT_TEST
535 tristate "Basic gate type Kunit test" if !KUNIT_ALL_TESTS
538 default KUNIT_ALL_TESTS
540 Kunit test for the basic clk gate type.
542 config CLK_FD_KUNIT_TEST
543 tristate "Basic fractional divider type Kunit test" if !KUNIT_ALL_TESTS
545 default KUNIT_ALL_TESTS
547 Kunit test for the clk-fractional-divider type.