tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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kernel / drivers / clocksource / Kconfig
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1# SPDX-License-Identifier: GPL-2.0-only 2menu "Clock Source drivers" 3 depends on GENERIC_CLOCKEVENTS 4 5config TIMER_OF 6 bool 7 select TIMER_PROBE 8 9config TIMER_ACPI 10 bool 11 select TIMER_PROBE 12 13config TIMER_PROBE 14 bool 15 16config CLKSRC_I8253 17 bool 18 19config CLKEVT_I8253 20 bool 21 22config I8253_LOCK 23 bool 24 25config OMAP_DM_TIMER 26 bool 27 28config CLKBLD_I8253 29 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 30 31config CLKSRC_MMIO 32 bool 33 34config BCM2835_TIMER 35 bool "BCM2835 timer driver" if COMPILE_TEST 36 select CLKSRC_MMIO 37 help 38 Enables the support for the BCM2835 timer driver. 39 40config BCM_KONA_TIMER 41 bool "BCM mobile timer driver" if COMPILE_TEST 42 select CLKSRC_MMIO 43 help 44 Enables the support for the BCM Kona mobile timer driver. 45 46config DAVINCI_TIMER 47 bool "Texas Instruments DaVinci timer driver" if COMPILE_TEST 48 help 49 Enables the support for the TI DaVinci timer driver. 50 51config DIGICOLOR_TIMER 52 bool "Digicolor timer driver" if COMPILE_TEST 53 select CLKSRC_MMIO 54 depends on HAS_IOMEM 55 help 56 Enables the support for the digicolor timer driver. 57 58config DW_APB_TIMER 59 bool "DW APB timer driver" if COMPILE_TEST 60 help 61 Enables the support for the dw_apb timer. 62 63config DW_APB_TIMER_OF 64 bool 65 select DW_APB_TIMER 66 select TIMER_OF 67 68config FTTMR010_TIMER 69 bool "Faraday Technology timer driver" if COMPILE_TEST 70 depends on HAS_IOMEM 71 select CLKSRC_MMIO 72 select TIMER_OF 73 select MFD_SYSCON 74 help 75 Enables support for the Faraday Technology timer block 76 FTTMR010. 77 78config IXP4XX_TIMER 79 bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST 80 depends on HAS_IOMEM 81 select CLKSRC_MMIO 82 help 83 Enables support for the Intel XScale IXP4xx SoC timer. 84 85config ROCKCHIP_TIMER 86 bool "Rockchip timer driver" if COMPILE_TEST 87 depends on ARM || ARM64 88 select TIMER_OF 89 select CLKSRC_MMIO 90 help 91 Enables the support for the Rockchip timer driver. 92 93config ARMADA_370_XP_TIMER 94 bool "Armada 370 and XP timer driver" if COMPILE_TEST 95 depends on ARM 96 select TIMER_OF 97 select CLKSRC_MMIO 98 help 99 Enables the support for the Armada 370 and XP timer driver. 100 101config MESON6_TIMER 102 bool "Meson6 timer driver" if COMPILE_TEST 103 select CLKSRC_MMIO 104 help 105 Enables the support for the Meson6 timer driver. 106 107config ORION_TIMER 108 bool "Orion timer driver" if COMPILE_TEST 109 depends on ARM 110 select TIMER_OF 111 select CLKSRC_MMIO 112 help 113 Enables the support for the Orion timer driver 114 115config OWL_TIMER 116 bool "Owl timer driver" if COMPILE_TEST 117 select CLKSRC_MMIO 118 help 119 Enables the support for the Actions Semi Owl timer driver. 120 121config RDA_TIMER 122 bool "RDA timer driver" if COMPILE_TEST 123 select CLKSRC_MMIO 124 select TIMER_OF 125 help 126 Enables the support for the RDA Micro timer driver. 127 128config SUN4I_TIMER 129 bool "Sun4i timer driver" if COMPILE_TEST 130 depends on HAS_IOMEM 131 select CLKSRC_MMIO 132 select TIMER_OF 133 help 134 Enables support for the Sun4i timer. 135 136config SUN5I_HSTIMER 137 bool "Sun5i timer driver" if COMPILE_TEST 138 select CLKSRC_MMIO 139 depends on COMMON_CLK 140 help 141 Enables support the Sun5i timer. 142 143config TEGRA_TIMER 144 bool "Tegra timer driver" if COMPILE_TEST 145 select CLKSRC_MMIO 146 select TIMER_OF 147 depends on ARCH_TEGRA || COMPILE_TEST 148 help 149 Enables support for the Tegra driver. 150 151config VT8500_TIMER 152 bool "VT8500 timer driver" if COMPILE_TEST 153 depends on HAS_IOMEM 154 help 155 Enables support for the VT8500 driver. 156 157config NPCM7XX_TIMER 158 bool "NPCM7xx timer driver" if COMPILE_TEST 159 depends on HAS_IOMEM 160 select TIMER_OF 161 select CLKSRC_MMIO 162 help 163 Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 164 where TIMER0 serves as clockevent and TIMER1 serves as clocksource. 165 166config CADENCE_TTC_TIMER 167 bool "Cadence TTC timer driver" if COMPILE_TEST 168 depends on COMMON_CLK 169 help 170 Enables support for the Cadence TTC driver. 171 172config ASM9260_TIMER 173 bool "ASM9260 timer driver" if COMPILE_TEST 174 select CLKSRC_MMIO 175 select TIMER_OF 176 help 177 Enables support for the ASM9260 timer. 178 179config CLKSRC_NOMADIK_MTU 180 bool "Nomakdik clocksource driver" if COMPILE_TEST 181 depends on ARM 182 select CLKSRC_MMIO 183 help 184 Support for Multi Timer Unit. MTU provides access 185 to multiple interrupt generating programmable 186 32-bit free running decrementing counters. 187 188config CLKSRC_DBX500_PRCMU 189 bool "Clocksource PRCMU Timer" if COMPILE_TEST 190 depends on HAS_IOMEM 191 help 192 Use the always on PRCMU Timer as clocksource. 193 194config CLPS711X_TIMER 195 bool "Cirrus Logic timer driver" if COMPILE_TEST 196 select CLKSRC_MMIO 197 help 198 Enables support for the Cirrus Logic PS711 timer. 199 200config ATLAS7_TIMER 201 bool "Atlas7 timer driver" if COMPILE_TEST 202 select CLKSRC_MMIO 203 help 204 Enables support for the Atlas7 timer. 205 206config MXS_TIMER 207 bool "MXS timer driver" if COMPILE_TEST 208 select CLKSRC_MMIO 209 select STMP_DEVICE 210 help 211 Enables support for the MXS timer. 212 213config PRIMA2_TIMER 214 bool "Prima2 timer driver" if COMPILE_TEST 215 select CLKSRC_MMIO 216 help 217 Enables support for the Prima2 timer. 218 219config U300_TIMER 220 bool "U300 timer driver" if COMPILE_TEST 221 depends on ARM 222 select CLKSRC_MMIO 223 help 224 Enables support for the U300 timer. 225 226config NSPIRE_TIMER 227 bool "NSpire timer driver" if COMPILE_TEST 228 select CLKSRC_MMIO 229 help 230 Enables support for the Nspire timer. 231 232config KEYSTONE_TIMER 233 bool "Keystone timer driver" if COMPILE_TEST 234 depends on ARM || ARM64 235 select CLKSRC_MMIO 236 help 237 Enables support for the Keystone timer. 238 239config INTEGRATOR_AP_TIMER 240 bool "Integrator-AP timer driver" if COMPILE_TEST 241 select CLKSRC_MMIO 242 help 243 Enables support for the Integrator-AP timer. 244 245config CLKSRC_EFM32 246 bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 247 depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 248 select CLKSRC_MMIO 249 default ARCH_EFM32 250 help 251 Support to use the timers of EFM32 SoCs as clock source and clock 252 event device. 253 254config CLKSRC_LPC32XX 255 bool "Clocksource for LPC32XX" if COMPILE_TEST 256 depends on HAS_IOMEM 257 depends on ARM 258 select CLKSRC_MMIO 259 select TIMER_OF 260 help 261 Support for the LPC32XX clocksource. 262 263config CLKSRC_PISTACHIO 264 bool "Clocksource for Pistachio SoC" if COMPILE_TEST 265 depends on HAS_IOMEM 266 select TIMER_OF 267 help 268 Enables the clocksource for the Pistachio SoC. 269 270config CLKSRC_TI_32K 271 bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 272 depends on GENERIC_SCHED_CLOCK 273 select TIMER_OF if OF 274 help 275 This option enables support for Texas Instruments 32.768 Hz clocksource 276 available on many OMAP-like platforms. 277 278config CLKSRC_NPS 279 bool "NPS400 clocksource driver" if COMPILE_TEST 280 depends on !PHYS_ADDR_T_64BIT 281 select CLKSRC_MMIO 282 select TIMER_OF if OF 283 help 284 NPS400 clocksource support. 285 It has a 64-bit counter with update rate up to 1000MHz. 286 This counter is accessed via couple of 32-bit memory-mapped registers. 287 288config CLKSRC_STM32 289 bool "Clocksource for STM32 SoCs" if !ARCH_STM32 290 depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 291 select CLKSRC_MMIO 292 select TIMER_OF 293 294config CLKSRC_MPS2 295 bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 296 depends on GENERIC_SCHED_CLOCK 297 select CLKSRC_MMIO 298 select TIMER_OF 299 300config ARC_TIMERS 301 bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 302 depends on GENERIC_SCHED_CLOCK 303 select TIMER_OF 304 help 305 These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 306 (ARC700 as well as ARC HS38). 307 TIMER0 serves as clockevent while TIMER1 provides clocksource. 308 309config ARC_TIMERS_64BIT 310 bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 311 depends on ARC_TIMERS 312 select TIMER_OF 313 help 314 This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP). 315 RTC is implemented inside the core, while GFRC sits outside the core in 316 ARConnect IP block. Driver automatically picks one of them for clocksource 317 as appropriate. 318 319config ARM_ARCH_TIMER 320 bool 321 select TIMER_OF if OF 322 select TIMER_ACPI if ACPI 323 324config ARM_ARCH_TIMER_EVTSTREAM 325 bool "Enable ARM architected timer event stream generation by default" 326 default y if ARM_ARCH_TIMER 327 depends on ARM_ARCH_TIMER 328 help 329 This option enables support by default for event stream generation 330 based on the ARM architected timer. It is used for waking up CPUs 331 executing the wfe instruction at a frequency represented as a 332 power-of-2 divisor of the clock rate. The behaviour can also be 333 overridden on the command line using the 334 clocksource.arm_arch_timer.evtstream parameter. 335 The main use of the event stream is wfe-based timeouts of userspace 336 locking implementations. It might also be useful for imposing timeout 337 on wfe to safeguard against any programming errors in case an expected 338 event is not generated. 339 This must be disabled for hardware validation purposes to detect any 340 hardware anomalies of missing events. 341 342config ARM_ARCH_TIMER_OOL_WORKAROUND 343 bool 344 345config FSL_ERRATUM_A008585 346 bool "Workaround for Freescale/NXP Erratum A-008585" 347 default y 348 depends on ARM_ARCH_TIMER && ARM64 349 select ARM_ARCH_TIMER_OOL_WORKAROUND 350 help 351 This option enables a workaround for Freescale/NXP Erratum 352 A-008585 ("ARM generic timer may contain an erroneous 353 value"). The workaround will only be active if the 354 fsl,erratum-a008585 property is found in the timer node. 355 356config HISILICON_ERRATUM_161010101 357 bool "Workaround for Hisilicon Erratum 161010101" 358 default y 359 select ARM_ARCH_TIMER_OOL_WORKAROUND 360 depends on ARM_ARCH_TIMER && ARM64 361 help 362 This option enables a workaround for Hisilicon Erratum 363 161010101. The workaround will be active if the hisilicon,erratum-161010101 364 property is found in the timer node. 365 366config ARM64_ERRATUM_858921 367 bool "Workaround for Cortex-A73 erratum 858921" 368 default y 369 select ARM_ARCH_TIMER_OOL_WORKAROUND 370 depends on ARM_ARCH_TIMER && ARM64 371 help 372 This option enables a workaround applicable to Cortex-A73 373 (all versions), whose counter may return incorrect values. 374 The workaround will be dynamically enabled when an affected 375 core is detected. 376 377config SUN50I_ERRATUM_UNKNOWN1 378 bool "Workaround for Allwinner A64 erratum UNKNOWN1" 379 default y 380 depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 381 select ARM_ARCH_TIMER_OOL_WORKAROUND 382 help 383 This option enables a workaround for instability in the timer on 384 the Allwinner A64 SoC. The workaround will only be active if the 385 allwinner,erratum-unknown1 property is found in the timer node. 386 387config ARM_GLOBAL_TIMER 388 bool "Support for the ARM global timer" if COMPILE_TEST 389 select TIMER_OF if OF 390 depends on ARM 391 help 392 This option enables support for the ARM global timer unit. 393 394config ARM_TIMER_SP804 395 bool "Support for Dual Timer SP804 module" if COMPILE_TEST 396 depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 397 select CLKSRC_MMIO 398 select TIMER_OF if OF 399 400config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 401 bool 402 depends on ARM_GLOBAL_TIMER 403 default y 404 help 405 Use ARM global timer clock source as sched_clock. 406 407config ARMV7M_SYSTICK 408 bool "Support for the ARMv7M system time" if COMPILE_TEST 409 select TIMER_OF if OF 410 select CLKSRC_MMIO 411 help 412 This option enables support for the ARMv7M system timer unit. 413 414config ATMEL_PIT 415 bool "Atmel PIT support" if COMPILE_TEST 416 depends on HAS_IOMEM 417 select TIMER_OF if OF 418 help 419 Support for the Periodic Interval Timer found on Atmel SoCs. 420 421config ATMEL_ST 422 bool "Atmel ST timer support" if COMPILE_TEST 423 depends on HAS_IOMEM 424 select TIMER_OF 425 select MFD_SYSCON 426 help 427 Support for the Atmel ST timer. 428 429config ATMEL_TCB_CLKSRC 430 bool "Atmel TC Block timer driver" if COMPILE_TEST 431 depends on ARM && HAS_IOMEM 432 select TIMER_OF if OF 433 help 434 Support for Timer Counter Blocks on Atmel SoCs. 435 436config CLKSRC_EXYNOS_MCT 437 bool "Exynos multi core timer driver" if COMPILE_TEST 438 depends on ARM || ARM64 439 help 440 Support for Multi Core Timer controller on Exynos SoCs. 441 442config CLKSRC_SAMSUNG_PWM 443 bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 444 depends on HAS_IOMEM 445 help 446 This is a new clocksource driver for the PWM timer found in 447 Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 448 for all devicetree enabled platforms. This driver will be 449 needed only on systems that do not have the Exynos MCT available. 450 451config FSL_FTM_TIMER 452 bool "Freescale FlexTimer Module driver" if COMPILE_TEST 453 depends on HAS_IOMEM 454 select CLKSRC_MMIO 455 help 456 Support for Freescale FlexTimer Module (FTM) timer. 457 458config VF_PIT_TIMER 459 bool 460 select CLKSRC_MMIO 461 help 462 Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs. 463 464config OXNAS_RPS_TIMER 465 bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 466 select TIMER_OF 467 select CLKSRC_MMIO 468 help 469 This enables support for the Oxford Semiconductor OXNAS RPS timers. 470 471config SYS_SUPPORTS_SH_CMT 472 bool 473 474config MTK_TIMER 475 bool "Mediatek timer driver" if COMPILE_TEST 476 depends on HAS_IOMEM 477 select TIMER_OF 478 select CLKSRC_MMIO 479 help 480 Support for Mediatek timer driver. 481 482config SPRD_TIMER 483 bool "Spreadtrum timer driver" if EXPERT 484 depends on HAS_IOMEM 485 depends on (ARCH_SPRD || COMPILE_TEST) 486 default ARCH_SPRD 487 select TIMER_OF 488 help 489 Enables support for the Spreadtrum timer driver. 490 491config SYS_SUPPORTS_SH_MTU2 492 bool 493 494config SYS_SUPPORTS_SH_TMU 495 bool 496 497config SYS_SUPPORTS_EM_STI 498 bool 499 500config CLKSRC_JCORE_PIT 501 bool "J-Core PIT timer driver" if COMPILE_TEST 502 depends on OF 503 depends on HAS_IOMEM 504 select CLKSRC_MMIO 505 help 506 This enables build of clocksource and clockevent driver for 507 the integrated PIT in the J-Core synthesizable, open source SoC. 508 509config SH_TIMER_CMT 510 bool "Renesas CMT timer driver" if COMPILE_TEST 511 depends on HAS_IOMEM 512 default SYS_SUPPORTS_SH_CMT 513 help 514 This enables build of a clocksource and clockevent driver for 515 the Compare Match Timer (CMT) hardware available in 16/32/48-bit 516 variants on a wide range of Mobile and Automotive SoCs from Renesas. 517 518config SH_TIMER_MTU2 519 bool "Renesas MTU2 timer driver" if COMPILE_TEST 520 depends on HAS_IOMEM 521 default SYS_SUPPORTS_SH_MTU2 522 help 523 This enables build of a clockevent driver for the Multi-Function 524 Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 525 This hardware comes with 16-bit timer registers. 526 527config RENESAS_OSTM 528 bool "Renesas OSTM timer driver" if COMPILE_TEST 529 select CLKSRC_MMIO 530 select TIMER_OF 531 help 532 Enables the support for the Renesas OSTM. 533 534config SH_TIMER_TMU 535 bool "Renesas TMU timer driver" if COMPILE_TEST 536 depends on HAS_IOMEM 537 default SYS_SUPPORTS_SH_TMU 538 help 539 This enables build of a clocksource and clockevent driver for 540 the 32-bit Timer Unit (TMU) hardware available on a wide range 541 SoCs from Renesas. 542 543config EM_TIMER_STI 544 bool "Renesas STI timer driver" if COMPILE_TEST 545 depends on HAS_IOMEM 546 default SYS_SUPPORTS_EM_STI 547 help 548 This enables build of a clocksource and clockevent driver for 549 the 48-bit System Timer (STI) hardware available on a SoCs 550 such as EMEV2 from former NEC Electronics. 551 552config CLKSRC_QCOM 553 bool "Qualcomm MSM timer" if COMPILE_TEST 554 depends on ARM 555 select TIMER_OF 556 help 557 This enables the clocksource and the per CPU clockevent driver for the 558 Qualcomm SoCs. 559 560config CLKSRC_VERSATILE 561 bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 562 depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 563 select TIMER_OF 564 default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM 565 help 566 This option enables clock source based on free running 567 counter available in the "System Registers" block of 568 ARM Versatile and Versatile Express reference platforms. 569 570config CLKSRC_MIPS_GIC 571 bool 572 depends on MIPS_GIC 573 select CLOCKSOURCE_WATCHDOG 574 select TIMER_OF 575 576config CLKSRC_TANGO_XTAL 577 bool "Clocksource for Tango SoC" if COMPILE_TEST 578 depends on ARM 579 select TIMER_OF 580 select CLKSRC_MMIO 581 help 582 This enables the clocksource for Tango SoC. 583 584config CLKSRC_PXA 585 bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 586 depends on HAS_IOMEM 587 select CLKSRC_MMIO 588 help 589 This enables OST0 support available on PXA and SA-11x0 590 platforms. 591 592config H8300_TMR8 593 bool "Clockevent timer for the H8300 platform" if COMPILE_TEST 594 depends on HAS_IOMEM 595 help 596 This enables the 8 bits timer for the H8300 platform. 597 598config H8300_TMR16 599 bool "Clockevent timer for the H83069 platform" if COMPILE_TEST 600 depends on HAS_IOMEM 601 help 602 This enables the 16 bits timer for the H8300 platform with the 603 H83069 CPU. 604 605config H8300_TPU 606 bool "Clocksource for the H8300 platform" if COMPILE_TEST 607 depends on HAS_IOMEM 608 help 609 This enables the clocksource for the H8300 platform with the 610 H8S2678 CPU. 611 612config CLKSRC_IMX_GPT 613 bool "Clocksource using i.MX GPT" if COMPILE_TEST 614 depends on (ARM || ARM64) && CLKDEV_LOOKUP 615 select CLKSRC_MMIO 616 617config CLKSRC_IMX_TPM 618 bool "Clocksource using i.MX TPM" if COMPILE_TEST 619 depends on ARM && CLKDEV_LOOKUP 620 select CLKSRC_MMIO 621 help 622 Enable this option to use IMX Timer/PWM Module (TPM) timer as 623 clocksource. 624 625config TIMER_IMX_SYS_CTR 626 bool "i.MX system counter timer" if COMPILE_TEST 627 select TIMER_OF 628 help 629 Enable this option to use i.MX system counter timer as a 630 clockevent. 631 632config CLKSRC_ST_LPC 633 bool "Low power clocksource found in the LPC" if COMPILE_TEST 634 select TIMER_OF if OF 635 depends on HAS_IOMEM 636 select CLKSRC_MMIO 637 help 638 Enable this option to use the Low Power controller timer 639 as clocksource. 640 641config ATCPIT100_TIMER 642 bool "ATCPIT100 timer driver" 643 depends on NDS32 || COMPILE_TEST 644 depends on HAS_IOMEM 645 select TIMER_OF 646 default NDS32 647 help 648 This option enables support for the Andestech ATCPIT100 timers. 649 650config RISCV_TIMER 651 bool "Timer for the RISC-V platform" 652 depends on GENERIC_SCHED_CLOCK && RISCV 653 default y 654 select TIMER_PROBE 655 select TIMER_OF 656 help 657 This enables the per-hart timer built into all RISC-V systems, which 658 is accessed via both the SBI and the rdcycle instruction. This is 659 required for all RISC-V systems. 660 661config CSKY_MP_TIMER 662 bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 663 depends on CSKY 664 select TIMER_OF 665 help 666 Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 667 system. 668 csky,mptimer is not only used in SMP system, it also could be used in 669 single core system. It's not a mmio reg and it uses mtcr/mfcr instruction. 670 671config GX6605S_TIMER 672 bool "Gx6605s SOC system timer driver" if COMPILE_TEST 673 depends on CSKY 674 select CLKSRC_MMIO 675 select TIMER_OF 676 help 677 This option enables support for gx6605s SOC's timer. 678 679config MILBEAUT_TIMER 680 bool "Milbeaut timer driver" if COMPILE_TEST 681 depends on OF 682 depends on ARM 683 select TIMER_OF 684 select CLKSRC_MMIO 685 help 686 Enables the support for Milbeaut timer driver. 687 688config INGENIC_TIMER 689 bool "Clocksource/timer using the TCU in Ingenic JZ SoCs" 690 default MACH_INGENIC 691 depends on MIPS || COMPILE_TEST 692 depends on COMMON_CLK 693 select MFD_SYSCON 694 select TIMER_OF 695 select IRQ_DOMAIN 696 help 697 Support for the timer/counter unit of the Ingenic JZ SoCs. 698 699config INGENIC_OST 700 bool "Clocksource for Ingenic OS Timer" 701 depends on MIPS || COMPILE_TEST 702 depends on COMMON_CLK 703 select MFD_SYSCON 704 help 705 Support for the Operating System Timer of the Ingenic JZ SoCs. 706 707config MICROCHIP_PIT64B 708 bool "Microchip PIT64B support" 709 depends on OF || COMPILE_TEST 710 select CLKSRC_MMIO 711 select TIMER_OF 712 help 713 This option enables Microchip PIT64B timer for Atmel 714 based system. It supports the oneshot, the periodic 715 modes and high resolution. It is used as a clocksource 716 and a clockevent. 717 718endmenu