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_SYSTIMER 26 bool 27 select TIMER_OF 28 29config CLKBLD_I8253 30 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 31 32config CLKSRC_MMIO 33 bool 34 35config BCM2835_TIMER 36 bool "BCM2835 timer driver" if COMPILE_TEST 37 select CLKSRC_MMIO 38 help 39 Enables the support for the BCM2835 timer driver. 40 41config BCM_KONA_TIMER 42 bool "BCM mobile timer driver" if COMPILE_TEST 43 select CLKSRC_MMIO 44 help 45 Enables the support for the BCM Kona mobile timer driver. 46 47config DAVINCI_TIMER 48 bool "Texas Instruments DaVinci timer driver" if COMPILE_TEST 49 help 50 Enables the support for the TI DaVinci timer driver. 51 52config DIGICOLOR_TIMER 53 bool "Digicolor timer driver" if COMPILE_TEST 54 select CLKSRC_MMIO 55 depends on HAS_IOMEM 56 help 57 Enables the support for the digicolor timer driver. 58 59config OMAP_DM_TIMER 60 bool "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST 61 default y if ARCH_K3 62 select TIMER_OF 63 help 64 Enables the support for the TI dual-mode timer driver. 65 66config DW_APB_TIMER 67 bool "DW APB timer driver" if COMPILE_TEST 68 help 69 Enables the support for the dw_apb timer. 70 71config DW_APB_TIMER_OF 72 bool 73 select DW_APB_TIMER 74 select TIMER_OF 75 76config FTTMR010_TIMER 77 bool "Faraday Technology timer driver" if COMPILE_TEST 78 depends on HAS_IOMEM 79 select CLKSRC_MMIO 80 select TIMER_OF 81 select MFD_SYSCON 82 help 83 Enables support for the Faraday Technology timer block 84 FTTMR010. 85 86config IXP4XX_TIMER 87 bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST 88 depends on HAS_IOMEM 89 select CLKSRC_MMIO 90 select TIMER_OF 91 help 92 Enables support for the Intel XScale IXP4xx SoC timer. 93 94config ROCKCHIP_TIMER 95 bool "Rockchip timer driver" if COMPILE_TEST 96 depends on ARM || ARM64 97 select TIMER_OF 98 select CLKSRC_MMIO 99 help 100 Enables the support for the Rockchip timer driver. 101 102config ARMADA_370_XP_TIMER 103 bool "Armada 370 and XP timer driver" if COMPILE_TEST 104 depends on ARM 105 select TIMER_OF 106 select CLKSRC_MMIO 107 help 108 Enables the support for the Armada 370 and XP timer driver. 109 110config MESON6_TIMER 111 bool "Meson6 timer driver" if COMPILE_TEST 112 select CLKSRC_MMIO 113 help 114 Enables the support for the Meson6 timer driver. 115 116config ORION_TIMER 117 bool "Orion timer driver" if COMPILE_TEST 118 depends on ARM 119 select TIMER_OF 120 select CLKSRC_MMIO 121 help 122 Enables the support for the Orion timer driver 123 124config OWL_TIMER 125 bool "Owl timer driver" if COMPILE_TEST 126 select CLKSRC_MMIO 127 help 128 Enables the support for the Actions Semi Owl timer driver. 129 130config RDA_TIMER 131 bool "RDA timer driver" if COMPILE_TEST 132 select CLKSRC_MMIO 133 select TIMER_OF 134 help 135 Enables the support for the RDA Micro timer driver. 136 137config REALTEK_OTTO_TIMER 138 bool "Clocksource/timer for the Realtek Otto platform" if COMPILE_TEST 139 select TIMER_OF 140 help 141 This driver adds support for the timers found in the Realtek RTL83xx 142 and RTL93xx SoCs series. This includes chips such as RTL8380, RTL8381 143 and RTL832, as well as chips from the RTL839x series, such as RTL8390 144 RT8391, RTL8392, RTL8393 and RTL8396 and chips of the RTL930x series 145 such as RTL9301, RTL9302 or RTL9303. 146 147config SUN4I_TIMER 148 bool "Sun4i timer driver" if COMPILE_TEST 149 depends on HAS_IOMEM 150 select CLKSRC_MMIO 151 select TIMER_OF 152 help 153 Enables support for the Sun4i timer. 154 155config SUN5I_HSTIMER 156 bool "Sun5i timer driver" if COMPILE_TEST 157 select CLKSRC_MMIO 158 depends on COMMON_CLK 159 help 160 Enables support the Sun5i timer. 161 162config TEGRA_TIMER 163 bool "Tegra timer driver" if COMPILE_TEST 164 select CLKSRC_MMIO 165 select TIMER_OF 166 depends on ARCH_TEGRA || COMPILE_TEST 167 help 168 Enables support for the Tegra driver. 169 170config TEGRA186_TIMER 171 bool "NVIDIA Tegra186 timer driver" 172 depends on ARCH_TEGRA || COMPILE_TEST 173 depends on WATCHDOG && WATCHDOG_CORE 174 help 175 Enables support for the timers and watchdogs found on NVIDIA 176 Tegra186 and later SoCs. 177 178config VT8500_TIMER 179 bool "VT8500 timer driver" if COMPILE_TEST 180 depends on HAS_IOMEM 181 help 182 Enables support for the VT8500 driver. 183 184config NPCM7XX_TIMER 185 bool "NPCM7xx timer driver" if COMPILE_TEST 186 depends on HAS_IOMEM 187 select TIMER_OF 188 select CLKSRC_MMIO 189 help 190 Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 191 where TIMER0 serves as clockevent and TIMER1 serves as clocksource. 192 193config CADENCE_TTC_TIMER 194 bool "Cadence TTC timer driver" if COMPILE_TEST 195 depends on COMMON_CLK 196 help 197 Enables support for the Cadence TTC driver. 198 199config ASM9260_TIMER 200 bool "ASM9260 timer driver" if COMPILE_TEST 201 select CLKSRC_MMIO 202 select TIMER_OF 203 help 204 Enables support for the ASM9260 timer. 205 206config CLKSRC_NOMADIK_MTU 207 bool "Nomakdik clocksource driver" if COMPILE_TEST 208 depends on ARM 209 select CLKSRC_MMIO 210 help 211 Support for Multi Timer Unit. MTU provides access 212 to multiple interrupt generating programmable 213 32-bit free running decrementing counters. 214 215config CLKSRC_DBX500_PRCMU 216 bool "Clocksource PRCMU Timer" if COMPILE_TEST 217 depends on HAS_IOMEM 218 help 219 Use the always on PRCMU Timer as clocksource. 220 221config CLPS711X_TIMER 222 bool "Cirrus Logic timer driver" if COMPILE_TEST 223 select CLKSRC_MMIO 224 help 225 Enables support for the Cirrus Logic PS711 timer. 226 227config MXS_TIMER 228 bool "MXS timer driver" if COMPILE_TEST 229 select CLKSRC_MMIO 230 select STMP_DEVICE 231 help 232 Enables support for the MXS timer. 233 234config NSPIRE_TIMER 235 bool "NSpire timer driver" if COMPILE_TEST 236 select CLKSRC_MMIO 237 help 238 Enables support for the Nspire timer. 239 240config KEYSTONE_TIMER 241 bool "Keystone timer driver" if COMPILE_TEST 242 depends on ARM || ARM64 243 select CLKSRC_MMIO 244 help 245 Enables support for the Keystone timer. 246 247config INTEGRATOR_AP_TIMER 248 bool "Integrator-AP timer driver" if COMPILE_TEST 249 select CLKSRC_MMIO 250 help 251 Enables support for the Integrator-AP timer. 252 253config CLKSRC_LPC32XX 254 bool "Clocksource for LPC32XX" if COMPILE_TEST 255 depends on HAS_IOMEM 256 depends on ARM 257 select CLKSRC_MMIO 258 select TIMER_OF 259 help 260 Support for the LPC32XX clocksource. 261 262config CLKSRC_PISTACHIO 263 bool "Clocksource for Pistachio SoC" 264 depends on HAS_IOMEM 265 depends on MIPS || COMPILE_TEST 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_STM32 279 bool "Clocksource for STM32 SoCs" if !ARCH_STM32 280 depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 281 select CLKSRC_MMIO 282 select TIMER_OF 283 284config CLKSRC_STM32_LP 285 bool "Low power clocksource for STM32 SoCs" 286 depends on MFD_STM32_LPTIMER || COMPILE_TEST 287 288config CLKSRC_MPS2 289 bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 290 depends on GENERIC_SCHED_CLOCK 291 select CLKSRC_MMIO 292 select TIMER_OF 293 294config ARC_TIMERS 295 bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 296 depends on GENERIC_SCHED_CLOCK 297 select TIMER_OF 298 help 299 These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 300 (ARC700 as well as ARC HS38). 301 TIMER0 serves as clockevent while TIMER1 provides clocksource. 302 303config ARC_TIMERS_64BIT 304 bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 305 depends on ARC_TIMERS 306 select TIMER_OF 307 help 308 This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP). 309 RTC is implemented inside the core, while GFRC sits outside the core in 310 ARConnect IP block. Driver automatically picks one of them for clocksource 311 as appropriate. 312 313config ARM_ARCH_TIMER 314 bool 315 select TIMER_OF if OF 316 select TIMER_ACPI if ACPI 317 318config ARM_ARCH_TIMER_EVTSTREAM 319 bool "Enable ARM architected timer event stream generation by default" 320 default y if ARM_ARCH_TIMER 321 depends on ARM_ARCH_TIMER 322 help 323 This option enables support by default for event stream generation 324 based on the ARM architected timer. It is used for waking up CPUs 325 executing the wfe instruction at a frequency represented as a 326 power-of-2 divisor of the clock rate. The behaviour can also be 327 overridden on the command line using the 328 clocksource.arm_arch_timer.evtstream parameter. 329 The main use of the event stream is wfe-based timeouts of userspace 330 locking implementations. It might also be useful for imposing timeout 331 on wfe to safeguard against any programming errors in case an expected 332 event is not generated. 333 This must be disabled for hardware validation purposes to detect any 334 hardware anomalies of missing events. 335 336config ARM_ARCH_TIMER_OOL_WORKAROUND 337 bool 338 339config FSL_ERRATUM_A008585 340 bool "Workaround for Freescale/NXP Erratum A-008585" 341 default y 342 depends on ARM_ARCH_TIMER && ARM64 343 select ARM_ARCH_TIMER_OOL_WORKAROUND 344 help 345 This option enables a workaround for Freescale/NXP Erratum 346 A-008585 ("ARM generic timer may contain an erroneous 347 value"). The workaround will only be active if the 348 fsl,erratum-a008585 property is found in the timer node. 349 350config HISILICON_ERRATUM_161010101 351 bool "Workaround for Hisilicon Erratum 161010101" 352 default y 353 select ARM_ARCH_TIMER_OOL_WORKAROUND 354 depends on ARM_ARCH_TIMER && ARM64 355 help 356 This option enables a workaround for Hisilicon Erratum 357 161010101. The workaround will be active if the hisilicon,erratum-161010101 358 property is found in the timer node. 359 360config ARM64_ERRATUM_858921 361 bool "Workaround for Cortex-A73 erratum 858921" 362 default y 363 select ARM_ARCH_TIMER_OOL_WORKAROUND 364 depends on ARM_ARCH_TIMER && ARM64 365 help 366 This option enables a workaround applicable to Cortex-A73 367 (all versions), whose counter may return incorrect values. 368 The workaround will be dynamically enabled when an affected 369 core is detected. 370 371config SUN50I_ERRATUM_UNKNOWN1 372 bool "Workaround for Allwinner A64 erratum UNKNOWN1" 373 default y 374 depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 375 select ARM_ARCH_TIMER_OOL_WORKAROUND 376 help 377 This option enables a workaround for instability in the timer on 378 the Allwinner A64 SoC. The workaround will only be active if the 379 allwinner,erratum-unknown1 property is found in the timer node. 380 381config ARM_GLOBAL_TIMER 382 bool "Support for the ARM global timer" if COMPILE_TEST 383 select TIMER_OF if OF 384 depends on ARM 385 help 386 This option enables support for the ARM global timer unit. 387 388config ARM_GT_INITIAL_PRESCALER_VAL 389 int "ARM global timer initial prescaler value" 390 default 2 if ARCH_ZYNQ 391 default 1 392 depends on ARM_GLOBAL_TIMER 393 help 394 When the ARM global timer initializes, its current rate is declared 395 to the kernel and maintained forever. Should its parent clock 396 change, the driver tries to fix the timer's internal prescaler. 397 On some machs (i.e. Zynq) the initial prescaler value thus poses 398 bounds about how much the parent clock is allowed to decrease or 399 increase wrt the initial clock value. 400 This affects CPU_FREQ max delta from the initial frequency. 401 402config ARM_TIMER_SP804 403 bool "Support for Dual Timer SP804 module" if COMPILE_TEST 404 depends on GENERIC_SCHED_CLOCK && HAVE_CLK 405 select CLKSRC_MMIO 406 select TIMER_OF if OF 407 408config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 409 bool 410 depends on ARM_GLOBAL_TIMER 411 default y 412 help 413 Use ARM global timer clock source as sched_clock. 414 415config ARMV7M_SYSTICK 416 bool "Support for the ARMv7M system time" if COMPILE_TEST 417 select TIMER_OF if OF 418 select CLKSRC_MMIO 419 help 420 This option enables support for the ARMv7M system timer unit. 421 422config ATMEL_PIT 423 bool "Atmel PIT support" if COMPILE_TEST 424 depends on HAS_IOMEM 425 select TIMER_OF if OF 426 help 427 Support for the Periodic Interval Timer found on Atmel SoCs. 428 429config ATMEL_ST 430 bool "Atmel ST timer support" if COMPILE_TEST 431 depends on HAS_IOMEM 432 select TIMER_OF 433 select MFD_SYSCON 434 help 435 Support for the Atmel ST timer. 436 437config ATMEL_TCB_CLKSRC 438 bool "Atmel TC Block timer driver" if COMPILE_TEST 439 depends on ARM && HAS_IOMEM 440 select TIMER_OF if OF 441 help 442 Support for Timer Counter Blocks on Atmel SoCs. 443 444config CLKSRC_EXYNOS_MCT 445 bool "Exynos multi core timer driver" if COMPILE_TEST 446 depends on ARM || ARM64 447 depends on ARCH_ARTPEC || ARCH_EXYNOS || COMPILE_TEST 448 help 449 Support for Multi Core Timer controller on Exynos SoCs. 450 451config CLKSRC_SAMSUNG_PWM 452 bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 453 depends on HAS_IOMEM 454 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 455 help 456 This is a new clocksource driver for the PWM timer found in 457 Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 458 for all devicetree enabled platforms. This driver will be 459 needed only on systems that do not have the Exynos MCT available. 460 461config FSL_FTM_TIMER 462 bool "Freescale FlexTimer Module driver" if COMPILE_TEST 463 depends on HAS_IOMEM 464 select CLKSRC_MMIO 465 help 466 Support for Freescale FlexTimer Module (FTM) timer. 467 468config VF_PIT_TIMER 469 bool 470 select CLKSRC_MMIO 471 help 472 Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs. 473 474config SYS_SUPPORTS_SH_CMT 475 bool 476 477config MTK_TIMER 478 bool "Mediatek timer driver" if COMPILE_TEST 479 depends on HAS_IOMEM 480 select TIMER_OF 481 select CLKSRC_MMIO 482 help 483 Support for Mediatek timer driver. 484 485config MTK_CPUX_TIMER 486 bool "MediaTek CPUX timer driver" if COMPILE_TEST 487 depends on HAS_IOMEM 488 default ARCH_MEDIATEK 489 select TIMER_OF 490 select CLKSRC_MMIO 491 help 492 Support for MediaTek CPUXGPT timer driver. 493 494config SPRD_TIMER 495 bool "Spreadtrum timer driver" if EXPERT 496 depends on HAS_IOMEM 497 depends on (ARCH_SPRD || COMPILE_TEST) 498 default ARCH_SPRD 499 select TIMER_OF 500 help 501 Enables support for the Spreadtrum timer driver. 502 503config SYS_SUPPORTS_SH_MTU2 504 bool 505 506config SYS_SUPPORTS_SH_TMU 507 bool 508 509config SYS_SUPPORTS_EM_STI 510 bool 511 512config CLKSRC_JCORE_PIT 513 bool "J-Core PIT timer driver" if COMPILE_TEST 514 depends on OF 515 depends on HAS_IOMEM 516 select CLKSRC_MMIO 517 help 518 This enables build of clocksource and clockevent driver for 519 the integrated PIT in the J-Core synthesizable, open source SoC. 520 521config SH_TIMER_CMT 522 bool "Renesas CMT timer driver" if COMPILE_TEST 523 depends on HAS_IOMEM 524 default SYS_SUPPORTS_SH_CMT 525 help 526 This enables build of a clocksource and clockevent driver for 527 the Compare Match Timer (CMT) hardware available in 16/32/48-bit 528 variants on a wide range of Mobile and Automotive SoCs from Renesas. 529 530config SH_TIMER_MTU2 531 bool "Renesas MTU2 timer driver" if COMPILE_TEST 532 depends on HAS_IOMEM 533 default SYS_SUPPORTS_SH_MTU2 534 help 535 This enables build of a clockevent driver for the Multi-Function 536 Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 537 This hardware comes with 16-bit timer registers. 538 539config RENESAS_OSTM 540 bool "Renesas OSTM timer driver" 541 depends on ARCH_RENESAS || COMPILE_TEST 542 select CLKSRC_MMIO 543 select TIMER_OF 544 help 545 Enables the support for the Renesas OSTM. 546 547config SH_TIMER_TMU 548 bool "Renesas TMU timer driver" if COMPILE_TEST 549 depends on HAS_IOMEM 550 default SYS_SUPPORTS_SH_TMU 551 help 552 This enables build of a clocksource and clockevent driver for 553 the 32-bit Timer Unit (TMU) hardware available on a wide range 554 SoCs from Renesas. 555 556config EM_TIMER_STI 557 bool "Renesas STI timer driver" if COMPILE_TEST 558 depends on HAS_IOMEM 559 default SYS_SUPPORTS_EM_STI 560 help 561 This enables build of a clocksource and clockevent driver for 562 the 48-bit System Timer (STI) hardware available on a SoCs 563 such as EMEV2 from former NEC Electronics. 564 565config CLKSRC_QCOM 566 bool "Qualcomm MSM timer" if COMPILE_TEST 567 depends on ARM 568 select TIMER_OF 569 help 570 This enables the clocksource and the per CPU clockevent driver for the 571 Qualcomm SoCs. 572 573config CLKSRC_VERSATILE 574 bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 575 depends on GENERIC_SCHED_CLOCK 576 select TIMER_OF 577 default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM 578 help 579 This option enables clock source based on free running 580 counter available in the "System Registers" block of 581 ARM Versatile and Versatile Express reference platforms. 582 583config CLKSRC_MIPS_GIC 584 bool 585 depends on MIPS_GIC 586 select CLOCKSOURCE_WATCHDOG 587 select TIMER_OF 588 589config CLKSRC_PXA 590 bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 591 depends on HAS_IOMEM 592 select CLKSRC_MMIO 593 help 594 This enables OST0 support available on PXA and SA-11x0 595 platforms. 596 597config CLKSRC_IMX_GPT 598 bool "Clocksource using i.MX GPT" if COMPILE_TEST 599 depends on (ARM || ARM64) && HAVE_CLK 600 select CLKSRC_MMIO 601 602config CLKSRC_IMX_TPM 603 bool "Clocksource using i.MX TPM" if COMPILE_TEST 604 depends on (ARM || ARM64) && HAVE_CLK 605 select CLKSRC_MMIO 606 select TIMER_OF 607 help 608 Enable this option to use IMX Timer/PWM Module (TPM) timer as 609 clocksource. 610 611config TIMER_IMX_SYS_CTR 612 bool "i.MX system counter timer" if COMPILE_TEST 613 select TIMER_OF 614 help 615 Enable this option to use i.MX system counter timer as a 616 clockevent. 617 618config CLKSRC_LOONGSON1_PWM 619 bool "Clocksource using Loongson1 PWM" 620 depends on MACH_LOONGSON32 || COMPILE_TEST 621 select MIPS_EXTERNAL_TIMER 622 select TIMER_OF 623 help 624 Enable this option to use Loongson1 PWM timer as clocksource 625 instead of the performance counter. 626 627config CLKSRC_ST_LPC 628 bool "Low power clocksource found in the LPC" if COMPILE_TEST 629 select TIMER_OF if OF 630 depends on HAS_IOMEM 631 select CLKSRC_MMIO 632 help 633 Enable this option to use the Low Power controller timer 634 as clocksource. 635 636config GXP_TIMER 637 bool "GXP timer driver" if COMPILE_TEST && !ARCH_HPE 638 default ARCH_HPE 639 select TIMER_OF if OF 640 help 641 Provides a driver for the timer control found on HPE 642 GXP SOCs. This is required for all GXP SOCs. 643 644config RISCV_TIMER 645 bool "Timer for the RISC-V platform" if COMPILE_TEST 646 depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI 647 select TIMER_PROBE 648 select TIMER_OF 649 help 650 This enables the per-hart timer built into all RISC-V systems, which 651 is accessed via both the SBI and the rdcycle instruction. This is 652 required for all RISC-V systems. 653 654config CLINT_TIMER 655 bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST 656 depends on GENERIC_SCHED_CLOCK && RISCV 657 select TIMER_PROBE 658 select TIMER_OF 659 help 660 This option enables the CLINT timer for RISC-V systems. The CLINT 661 driver is usually used for NoMMU RISC-V systems. 662 663config CSKY_MP_TIMER 664 bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 665 depends on CSKY 666 select TIMER_OF 667 help 668 Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 669 system. 670 csky,mptimer is not only used in SMP system, it also could be used in 671 single core system. It's not a mmio reg and it uses mtcr/mfcr instruction. 672 673config GX6605S_TIMER 674 bool "Gx6605s SOC system timer driver" if COMPILE_TEST 675 depends on CSKY 676 select CLKSRC_MMIO 677 select TIMER_OF 678 help 679 This option enables support for gx6605s SOC's timer. 680 681config MILBEAUT_TIMER 682 bool "Milbeaut timer driver" if COMPILE_TEST 683 depends on OF 684 depends on ARM 685 select TIMER_OF 686 select CLKSRC_MMIO 687 help 688 Enables the support for Milbeaut timer driver. 689 690config MSC313E_TIMER 691 bool "MSC313E timer driver" if COMPILE_TEST 692 select TIMER_OF 693 select CLKSRC_MMIO 694 help 695 Enables support for the MStar MSC313E timer driver. 696 This provides access to multiple interrupt generating 697 programmable 32-bit free running incrementing counters. 698 699config INGENIC_TIMER 700 bool "Clocksource/timer using the TCU in Ingenic JZ SoCs" 701 default MACH_INGENIC 702 depends on MIPS || COMPILE_TEST 703 depends on COMMON_CLK 704 select MFD_SYSCON 705 select TIMER_OF 706 select IRQ_DOMAIN 707 help 708 Support for the timer/counter unit of the Ingenic JZ SoCs. 709 710config INGENIC_SYSOST 711 bool "Clocksource/timer using the SYSOST in Ingenic X SoCs" 712 depends on MIPS || COMPILE_TEST 713 depends on COMMON_CLK 714 select MFD_SYSCON 715 select TIMER_OF 716 select IRQ_DOMAIN 717 help 718 Support for the SYSOST of the Ingenic X Series SoCs. 719 720config INGENIC_OST 721 bool "Clocksource using the OST in Ingenic JZ SoCs" 722 depends on MIPS || COMPILE_TEST 723 depends on COMMON_CLK 724 select MFD_SYSCON 725 help 726 Support for the Operating System Timer of the Ingenic JZ SoCs. 727 728config MICROCHIP_PIT64B 729 bool "Microchip PIT64B support" 730 depends on OF && ARM 731 select TIMER_OF 732 help 733 This option enables Microchip PIT64B timer for Atmel 734 based system. It supports the oneshot, the periodic 735 modes and high resolution. It is used as a clocksource 736 and a clockevent. 737 738config GOLDFISH_TIMER 739 bool "Clocksource using goldfish-rtc" 740 depends on M68K || COMPILE_TEST 741 depends on RTC_DRV_GOLDFISH 742 help 743 Support for the timer/counter of goldfish-rtc 744 745config EP93XX_TIMER 746 bool "Cirrus Logic ep93xx timer driver" if COMPILE_TEST 747 depends on ARCH_EP93XX 748 depends on GENERIC_CLOCKEVENTS 749 depends on HAS_IOMEM 750 select CLKSRC_MMIO 751 select TIMER_OF 752 help 753 Enables support for the Cirrus Logic timer block 754 EP93XX. 755 756endmenu 757