S: Maintained
F: drivers/mailbox/mailbox-altera.c
+ ALTERA PIO DRIVER
+ S: Maintained
+ F: drivers/gpio/gpio-altera.c
+
ALTERA TRIPLE SPEED ETHERNET DRIVER
F: include/linux/amd-iommu.h
AMD KFD
-T: git git://people.freedesktop.org/~gabbayo/linux.git
-S: Supported
-F: drivers/gpu/drm/amd/amdkfd/
+T: git git://people.freedesktop.org/~gabbayo/linux.git
+S: Supported
+F: drivers/gpu/drm/amd/amdkfd/
F: drivers/gpu/drm/amd/include/cik_structs.h
F: drivers/gpu/drm/amd/include/kgd_kfd_interface.h
-F: drivers/gpu/drm/radeon/radeon_kfd.c
-F: drivers/gpu/drm/radeon/radeon_kfd.h
-F: include/uapi/linux/kfd_ioctl.h
+F: drivers/gpu/drm/radeon/radeon_kfd.c
+F: drivers/gpu/drm/radeon/radeon_kfd.h
+F: include/uapi/linux/kfd_ioctl.h
AMD MICROCODE UPDATE SUPPORT
S: Maintained
F: arch/x86/kernel/cpu/microcode/amd*
ANDROID DRIVERS
T: git git://git.kernel.org/pub/scm/linux/kernel/gregkh/staging.git
F: arch/arm/boot/dts/imx*
F: arch/arm/configs/imx*_defconfig
+ARM/FREESCALE VYBRID ARM ARCHITECTURE
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
+F: arch/arm/mach-imx/*vf610*
+F: arch/arm/boot/dts/vf*
+
ARM/GLOMATION GESBC9312SX MACHINE SUPPORT
S: Maintained
F: arch/arm/mach-mvebu/
-F: drivers/rtc/armada38x-rtc
+F: drivers/rtc/rtc-armada38x.c
ARM/Marvell Berlin SoC support
S: Maintained
F: arch/arm/mach-dove/
ARM/Mediatek SoC support
S: Maintained
F: arch/arm/boot/dts/mt6*
F: arch/arm/boot/dts/mt8*
F: drivers/*/*rockchip*
F: drivers/*/*/*rockchip*
F: sound/soc/rockchip/
+N: rockchip
ARM/SAMSUNG EXYNOS ARM ARCHITECTURES
F: drivers/i2c/busses/i2c-st.c
F: drivers/media/rc/st_rc.c
F: drivers/mmc/host/sdhci-st.c
+F: drivers/phy/phy-miphy28lp.c
+F: drivers/phy/phy-miphy365x.c
F: drivers/phy/phy-stih407-usb.c
F: drivers/phy/phy-stih41x-usb.c
F: drivers/pinctrl/pinctrl-st.c
F: include/linux/platform_data/at24.h
ATA OVER ETHERNET (AOE) DRIVER
-W: http://support.coraid.com/support/linux
+W: http://www.openaoe.org/
S: Supported
F: Documentation/aoe/
F: drivers/block/aoe/
F: drivers/net/ethernet/atheros/
ATM
W: http://linux-atm.sourceforge.net
F: drivers/tty/serial/atmel_serial.c
ATMEL Audio ALSA driver
-M: Bo Shen <voice.shen@atmel.com>
+M: Nicolas Ferre <nicolas.ferre@atmel.com>
S: Supported
F: sound/soc/atmel
F: drivers/media/radio/radio-aztech*
B43 WIRELESS DRIVER
W: http://wireless.kernel.org/en/users/Drivers/b43
-S: Maintained
+S: Odd Fixes
F: drivers/net/wireless/b43/
B43LEGACY WIRELESS DRIVER
W: http://wireless.kernel.org/en/users/Drivers/b43
F: fs/befs/
BECKHOFF CX5020 ETHERCAT MASTER DRIVER
-S: Maintained
-F: drivers/net/ethernet/ec_bhf.c
+S: Maintained
+F: drivers/net/ethernet/ec_bhf.c
BFS FILE SYSTEM
BONDING DRIVER
W: http://sourceforge.net/projects/bonding/
S: Supported
BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITECTURE
T: git git://github.com/broadcom/mach-bcm
CAN NETWORK LAYER
-W: http://gitorious.org/linux-can
+W: https://github.com/linux-can
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git
S: Maintained
-W: http://gitorious.org/linux-can
+W: https://github.com/linux-can
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git
S: Maintained
CHIPIDEA USB HIGH SPEED DUAL ROLE CONTROLLER
-T: git git://github.com/hzpeterchen/linux-usb.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb.git
S: Maintained
F: drivers/usb/chipidea/
+CHIPONE ICN8318 I2C TOUCHSCREEN DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/input/touchscreen/chipone_icn8318.txt
+F: drivers/input/touchscreen/chipone_icn8318.c
+
CHROME HARDWARE PLATFORM SUPPORT
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
S: Maintained
F: Documentation/crypto/
+F: Documentation/DocBook/crypto-API.tmpl
F: arch/*/crypto/
F: crypto/
F: drivers/crypto/
F: drivers/net/ethernet/chelsio/cxgb3/
CXGB3 ISCSI DRIVER (CXGB3I)
-W: http://www.chelsio.com
-S: Supported
-F: drivers/scsi/cxgbi/cxgb3i
+W: http://www.chelsio.com
+S: Supported
+F: drivers/scsi/cxgbi/cxgb3i
CXGB3 IWARP RNIC DRIVER (IW_CXGB3)
F: drivers/net/ethernet/chelsio/cxgb4/
CXGB4 ISCSI DRIVER (CXGB4I)
-W: http://www.chelsio.com
-S: Supported
-F: drivers/scsi/cxgbi/cxgb4i
+W: http://www.chelsio.com
+S: Supported
+F: drivers/scsi/cxgbi/cxgb4i
CXGB4 IWARP RNIC DRIVER (IW_CXGB4)
F: Documentation/hwmon/da90??
F: drivers/gpio/gpio-da90??.c
F: drivers/hwmon/da90??-hwmon.c
+F: drivers/iio/adc/da91??-*.c
F: drivers/input/misc/da90??_onkey.c
F: drivers/input/touchscreen/da9052_tsi.c
F: drivers/leds/leds-da90??.c
F: drivers/mfd/da903x.c
F: drivers/mfd/da90??-*.c
+F: drivers/mfd/da91??-*.c
F: drivers/power/da9052-battery.c
+F: drivers/power/da91??-*.c
F: drivers/regulator/da903x.c
F: drivers/regulator/da9???-regulator.[ch]
F: drivers/rtc/rtc-da90??.c
F: include/linux/mfd/da9052/
F: include/linux/mfd/da9055/
F: include/linux/mfd/da9063/
+F: include/linux/mfd/da9150/
F: include/sound/da[79]*.h
F: sound/soc/codecs/da[79]*.[ch]
F: Documentation/hwmon/dme1737
F: drivers/hwmon/dme1737.c
+DMI/SMBIOS SUPPORT
+S: Maintained
+F: drivers/firmware/dmi-id.c
+F: drivers/firmware/dmi_scan.c
+F: include/linux/dmi.h
+
DOCKING STATION DRIVER
F: sound/soc/fsl/imx*
F: sound/soc/fsl/mpc8610_hpcd.c
+FREESCALE QORIQ MANAGEMENT COMPLEX DRIVER
+S: Maintained
+F: drivers/staging/fsl-mc/
+
FREEVXFS FILESYSTEM
W: ftp://ftp.openlinux.org/pub/people/hch/vxfs
F: drivers/phy/
F: include/linux/phy/
+GENERIC PM DOMAINS
+S: Supported
+F: drivers/base/power/domain*.c
+F: include/linux/pm_domain.h
+
GENERIC UIO DRIVER FOR PCI DEVICES
GFS2 FILE SYSTEM
W: http://sources.redhat.com/cluster/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
S: Supported
F: Documentation/filesystems/gfs2*.txt
F: fs/gfs2/
F: drivers/iio/
F: drivers/staging/iio/
F: include/linux/iio/
+F: tools/iio/
IKANOS/ADI EAGLE ADSL USB DRIVER
F: drivers/platform/x86/intel_menlow.c
INTEL IA32 MICROCODE UPDATE SUPPORT
S: Maintained
F: arch/x86/kernel/cpu/microcode/core*
F: arch/x86/kernel/cpu/microcode/intel*
S: Maintained
F: drivers/char/hw_random/ixp4xx-rng.c
-INTEL ETHERNET DRIVERS (e100/e1000/e1000e/fm10k/igb/igbvf/ixgb/ixgbe/ixgbevf/i40e/i40evf)
+INTEL ETHERNET DRIVERS
W: http://www.intel.com/support/feedback.htm
W: http://e1000.sourceforge.net/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next.git
+Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git
S: Supported
F: Documentation/networking/e100.txt
F: Documentation/networking/e1000.txt
INTEL WIRELESS WIMAX CONNECTION 2400
S: Supported
W: http://linuxwimax.org
F: Documentation/wimax/README.i2400m
F: include/linux/ipmi*
F: include/uapi/linux/ipmi*
+QCOM AUDIO (ASoC) DRIVERS
+S: Supported
+F: sound/soc/qcom/
+
IPS SCSI RAID DRIVER
F: Documentation/*/kvm*.txt
F: Documentation/virtual/kvm/
F: arch/*/kvm/
+F: arch/x86/kernel/kvm.c
+F: arch/x86/kernel/kvmclock.c
F: arch/*/include/asm/kvm*
F: include/linux/kvm*
F: include/uapi/linux/kvm*
F: arch/powerpc/platforms/52xx/
LINUX FOR POWERPC EMBEDDED PPC4XX
W: http://www.penguinppc.org/
MELLANOX ETHERNET DRIVER (mlx4_en)
S: Supported
W: http://www.mellanox.com
F: drivers/watchdog/mena21_wdt.c
MEN CHAMELEON BUS (mcb)
S: Supported
F: drivers/mcb/
F: include/linux/mcb.h
F: include/linux/mfd/
MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc.git
T: git git://git.linaro.org/people/ulf.hansson/mmc.git
S: Maintained
F: drivers/mmc/
F: drivers/block/nvme*
F: include/linux/nvme.h
+NXP-NCI NFC DRIVER
+S: Supported
+F: drivers/nfc/nxp-nci
+
NXP TDA998X DRM DRIVER
S: Supported
-W: http://oss.oracle.com/projects/ocfs2/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2.git
+W: http://ocfs2.wiki.kernel.org
S: Supported
F: Documentation/filesystems/ocfs2.txt
F: Documentation/filesystems/dlmfs.txt
S: Maintained
QAT DRIVER
-S: Supported
-F: drivers/crypto/qat/
+S: Supported
+F: drivers/crypto/qat/
QIB DRIVER
F: drivers/net/wireless/rt2x00/
RAMDISK RAM BLOCK DEVICE DRIVER
-M: Nick Piggin <npiggin@kernel.dk>
+M: Jens Axboe <axboe@kernel.dk>
S: Maintained
F: Documentation/blockdev/ramdisk.txt
F: drivers/block/brd.c
REAL TIME CLOCK (RTC) SUBSYSTEM
Q: http://patchwork.ozlabs.org/project/rtc-linux/list/
S: Maintained
S390 NETWORK DRIVERS
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/net/ethernet/samsung/sxgbe/
+SAMSUNG THERMAL DRIVER
+S: Supported
+T: https://github.com/lmajewski/linux-samsung-thermal.git
+F: drivers/thermal/samsung/
+
SAMSUNG USB2 PHY DRIVER
F: kernel/time/clocksource.c
F: kernel/time/time*.c
F: kernel/time/ntp.c
+F: tools/testing/selftests/timers/
SC1200 WDT DRIVER
F: include/scsi/sg.h
SCSI SUBSYSTEM
-M: "James E.J. Bottomley" <JBottomley@parallels.com>
+M: "James E.J. Bottomley" <JBottomley@odin.com>
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-pending-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
S: Maintained
F: drivers/scsi/
F: include/scsi/
F: drivers/mmc/host/sdricoh_cs.c
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc.git
-S: Maintained
+S: Orphan
F: drivers/mmc/host/sdhci.*
F: drivers/mmc/host/sdhci-pltfm.[ch]
K: \bsecure_computing
K: \bTIF_SECCOMP\b
-SECURE DIGITAL HOST CONTROLLER INTERFACE, OPEN FIRMWARE BINDINGS (SDHCI-OF)
-S: Maintained
-F: drivers/mmc/host/sdhci-pltfm.[ch]
-
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER
S: Maintained
-F: drivers/mmc/host/sdhci-s3c.c
+F: drivers/mmc/host/sdhci-s3c*
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER
S: Maintained
F: drivers/staging/sm7xxfb/
+STAGING - SILICON MOTION SM750 FRAME BUFFER DRIVER
+S: Maintained
+F: drivers/staging/sm750fb/
+
STAGING - SLICOSS
TIPC NETWORK LAYER
-M: Allan Stephens <allan.stephens@windriver.com>
+M: Ying Xue <ying.xue@windriver.com>
W: http://tipc.sourceforge.net/
TPM DEVICE DRIVER
W: http://tpmdd.sourceforge.net
Q: git git://github.com/PeterHuewe/linux-tpmdd.git
F: include/uapi/linux/cdrom.h
UNISYS S-PAR DRIVERS
-S: Supported
-F: drivers/staging/unisys/
+S: Supported
+F: drivers/staging/unisys/
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
F: drivers/net/usb/cdc_*.c
F: include/uapi/linux/usb/cdc.h
+USB CHAOSKEY DRIVER
+S: Maintained
+F: drivers/usb/misc/chaoskey.c
+
USB CYPRESS C67X00 DRIVER
F: Documentation/usb/ohci.txt
F: drivers/usb/host/ohci*
+USB OTG FSM (Finite State Machine)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb.git
+S: Maintained
+F: drivers/usb/common/usb-otg-fsm.c
+
USB OVER IP DRIVER
WIMAX STACK
S: Supported
W: http://linuxwimax.org
F: Documentation/wimax/README.wimax
S: Maintained
F: mm/zsmalloc.c
F: include/linux/zsmalloc.h
+F: Documentation/vm/zsmalloc.txt
ZSWAP COMPRESSED SWAP CACHING
select HAVE_KRETPROBES
select HAVE_DEBUG_KMEMLEAK
select HAVE_SYSCALL_TRACEPOINTS
- select ARCH_BINFMT_ELF_RANDOMIZE_PIE
+ select ARCH_HAS_ELF_RANDOMIZE
select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
select RTC_LIB if !MACH_LOONGSON
select GENERIC_ATOMIC64 if !64BIT
select GENERIC_SMP_IDLE_THREAD
select BUILDTIME_EXTABLE_SORT
select GENERIC_CLOCKEVENTS
+ select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
select GENERIC_CMOS_UPDATE
select HAVE_MOD_ARCH_SPECIFIC
select VIRT_TO_BUS
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_BINFMT_ELF_STATE
select SYSCTL_EXCEPTION_TRACE
+ select HAVE_VIRT_CPU_ACCOUNTING_GEN
+ select HAVE_IRQ_TIME_ACCOUNTING
menu "Machine selection"
help
Support for the Atheros AR71XX/AR724X/AR913X SoCs.
-config BCM3384
- bool "Broadcom BCM3384 based boards"
+config BMIPS_GENERIC
+ bool "Broadcom Generic BMIPS kernel"
select BOOT_RAW
select NO_EXCEPT_FILL
select USE_OF
select CSRC_R4K
select SYNC_R4K
select COMMON_CLK
- select DMA_NONCOHERENT
+ select BCM7038_L1_IRQ
+ select BCM7120_L2_IRQ
+ select BRCMSTB_L2_IRQ
select IRQ_CPU
+ select RAW_IRQ_ACCESSORS
+ select DMA_NONCOHERENT
select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_HIGHMEM
+ select SYS_HAS_CPU_BMIPS32_3300
+ select SYS_HAS_CPU_BMIPS4350
+ select SYS_HAS_CPU_BMIPS4380
select SYS_HAS_CPU_BMIPS5000
select SWAP_IO_SPACE
- select USB_EHCI_BIG_ENDIAN_DESC
- select USB_EHCI_BIG_ENDIAN_MMIO
- select USB_OHCI_BIG_ENDIAN_DESC
- select USB_OHCI_BIG_ENDIAN_MMIO
+ select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+ select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+ select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+ select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
help
- Support for BCM3384 based boards. BCM3384/BCM33843 is a cable modem
- chipset with a Linux application processor that is often used to
- provide Samba services, a CUPS print server, and/or advanced routing
- features.
+ Build a generic DT-based kernel image that boots on select
+ BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
+ box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
+ must be set appropriately for your board.
config BCM47XX
bool "Broadcom BCM47XX based boards"
the ICT (Institute of Computing Technology) and the Chinese Academy
of Sciences.
+config MACH_PISTACHIO
+ bool "IMG Pistachio SoC based boards"
+ select ARCH_REQUIRE_GPIOLIB
+ select BOOT_ELF32
+ select BOOT_RAW
+ select CEVT_R4K
+ select CLKSRC_MIPS_GIC
+ select COMMON_CLK
+ select CSRC_R4K
+ select DMA_MAYBE_COHERENT
+ select IRQ_CPU
+ select LIBFDT
+ select MFD_SYSCON
+ select MIPS_CPU_SCACHE
+ select MIPS_GIC
+ select PINCTRL
+ select REGULATOR
+ select SYS_HAS_CPU_MIPS32_R2
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_MIPS_CPS
+ select SYS_SUPPORTS_MULTITHREADING
+ select SYS_SUPPORTS_ZBOOT
+ select USE_OF
+ help
+ This enables support for the IMG Pistachio SoC platform.
+
config MIPS_MALTA
bool "MIPS Malta board"
select ARCH_MAY_HAVE_PC_FDC
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
select SYS_HAS_CPU_MIPS32_R3_5
+ select SYS_HAS_CPU_MIPS32_R5
select SYS_HAS_CPU_MIPS32_R6
select SYS_HAS_CPU_MIPS64_R1
select SYS_HAS_CPU_MIPS64_R2
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_MICROMIPS
select SYS_SUPPORTS_MIPS_CMP
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select EDAC_SUPPORT
- select SYS_SUPPORTS_HOTPLUG_CPU
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
select SYS_HAS_EARLY_PRINTK
select SYS_HAS_CPU_CAVIUM_OCTEON
select SWAP_IO_SPACE
select SYS_SUPPORTS_SMP
select NR_CPUS_DEFAULT_16
select BUILTIN_DTB
+ select MTD_COMPLEX_MAPPINGS
help
This option supports all of the Octeon reference boards from Cavium
Networks. It builds a kernel that dynamically determines the Octeon
source "arch/mips/ath79/Kconfig"
source "arch/mips/bcm47xx/Kconfig"
source "arch/mips/bcm63xx/Kconfig"
+source "arch/mips/bmips/Kconfig"
source "arch/mips/jazz/Kconfig"
source "arch/mips/jz4740/Kconfig"
source "arch/mips/lantiq/Kconfig"
config MIPS_L1_CACHE_SHIFT
int
- default "4" if MIPS_L1_CACHE_SHIFT_4
- default "5" if MIPS_L1_CACHE_SHIFT_5
- default "6" if MIPS_L1_CACHE_SHIFT_6
default "7" if MIPS_L1_CACHE_SHIFT_7
+ default "6" if MIPS_L1_CACHE_SHIFT_6
+ default "5" if MIPS_L1_CACHE_SHIFT_5
+ default "4" if MIPS_L1_CACHE_SHIFT_4
default "5"
config HAVE_STD_PC_SERIAL_PORT
select CPU_SUPPORTS_HUGEPAGES
select WEAK_ORDERING
select WEAK_REORDERING_BEYOND_LLSC
+ select ARCH_REQUIRE_GPIOLIB
help
The Loongson 3 processor implements the MIPS64R2 instruction
set with many extensions.
select WEAK_REORDERING_BEYOND_LLSC
select CPU_HAS_PREFETCH
select CPU_MIPSR2
+ select CPU_SUPPORTS_HUGEPAGES
help
Netlogic Microsystems XLP processors.
endchoice
One of its primary benefits is an increase in the maximum size
of lowmem (up to 3GB). If unsure, say 'N' here.
+config CPU_MIPS32_R5_FEATURES
+ bool "MIPS32 Release 5 Features"
+ depends on SYS_HAS_CPU_MIPS32_R5
+ depends on CPU_MIPS32_R2
+ help
+ Choose this option to build a kernel for release 2 or later of the
+ MIPS32 architecture including features from release 5 such as
+ support for Extended Physical Addressing (XPA).
+
+config CPU_MIPS32_R5_XPA
+ bool "Extended Physical Addressing (XPA)"
+ depends on CPU_MIPS32_R5_FEATURES
+ depends on !EVA
+ depends on !PAGE_SIZE_4KB
+ depends on SYS_SUPPORTS_HIGHMEM
+ select XPA
+ select HIGHMEM
+ select ARCH_PHYS_ADDR_T_64BIT
+ default n
+ help
+ Choose this option if you want to enable the Extended Physical
+ Addressing (XPA) on your MIPS32 core (such as P5600 series). The
+ benefit is to increase physical addressing equal to or greater
+ than 40 bits. Note that this has the side effect of turning on
+ 64-bit addressing which in turn makes the PTEs 64-bit in size.
+ If unsure, say 'N' here.
+
if CPU_LOONGSON2F
config CPU_NOP_WORKAROUNDS
bool
config SYS_HAS_CPU_MIPS32_R3_5
bool
+config SYS_HAS_CPU_MIPS32_R5
+ bool
+
config SYS_HAS_CPU_MIPS32_R6
bool
config EVA
bool
+config XPA
+ bool
+
config SYS_SUPPORTS_32BIT_KERNEL
bool
config SYS_SUPPORTS_64BIT_KERNEL
help
Choose this option if you want to run non-R6 MIPS userland code.
Even if you say 'Y' here, the emulator will still be disabled by
- default. You can enable it using the 'mipsr2emul' kernel option.
+ default. You can enable it using the 'mipsr2emu' kernel option.
The only reason this is a build-time option is to save ~14K from the
final kernel image.
comment "MIPS R2-to-R6 emulator is only available for UP kernels"
config MIPS_CPS
bool "MIPS Coherent Processing System support"
- depends on SYS_SUPPORTS_MIPS_CPS
+ depends on SYS_SUPPORTS_MIPS_CPS && !64BIT
select MIPS_CM
select MIPS_CPC
select MIPS_CPS_PM if HOTPLUG_CPU
config HW_PERF_EVENTS
bool "Enable hardware performance counter support for perf events"
- depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
+ depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
default y
help
Enable hardware performance counter support for perf events. If
default 1000 if HZ_1000
default 1024 if HZ_1024
+config SCHED_HRTICK
+ def_bool HIGH_RES_TIMERS
+
source "kernel/Kconfig.preempt"
config KEXEC
bool
default y
+config PGTABLE_LEVELS
+ int
+ default 3 if 64BIT && !PAGE_SIZE_64KB
+ default 2
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
# put drivers in the right section, in alphabetical order
- config GPIO_DA9052
- tristate "Dialog DA9052 GPIO"
- depends on PMIC_DA9052
- help
- Say yes here to enable the GPIO driver for the DA9052 chip.
-
- config GPIO_DA9055
- tristate "Dialog Semiconductor DA9055 GPIO"
- depends on MFD_DA9055
- help
- Say yes here to enable the GPIO driver for the DA9055 chip.
-
- The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
- be controller by this driver.
-
- If driver is built as a module it will be called gpio-da9055.
-
+ # This symbol is selected by both I2C and SPI expanders
config GPIO_MAX730X
tristate
- comment "Memory mapped GPIO drivers:"
+ menu "Memory mapped GPIO drivers"
config GPIO_74XX_MMIO
tristate "GPIO driver for 74xx-ICs with MMIO access"
8 bits: 74244 (Input), 74273 (Output)
16 bits: 741624 (Input), 7416374 (Output)
+ config GPIO_ALTERA
+ tristate "Altera GPIO"
+ depends on OF_GPIO
+ select GPIO_GENERIC
+ select GPIOLIB_IRQCHIP
+ help
+ Say Y or M here to build support for the Altera PIO device.
+
+ If driver is built as a module it will be called gpio-altera.
+
+ config GPIO_BCM_KONA
+ bool "Broadcom Kona GPIO"
+ depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
+ help
+ Turn on GPIO support for Broadcom "Kona" chips.
+
config GPIO_CLPS711X
tristate "CLPS711X GPIO support"
depends on ARCH_CLPS711X || COMPILE_TEST
help
Say yes here to enable GPIO support for TI Davinci/Keystone SoCs.
- config GPIO_GENERIC_PLATFORM
- tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
- select GPIO_GENERIC
- help
- Say yes here to support basic platform_device memory-mapped GPIO controllers.
-
config GPIO_DWAPB
tristate "Synopsys DesignWare APB GPIO driver"
- depends on ARM
- depends on OF_GPIO
select GPIO_GENERIC
select GENERIC_IRQ_CHIP
help
Say Y or M here to build support for the Synopsys DesignWare APB
GPIO block.
- config GPIO_IT8761E
- tristate "IT8761E GPIO support"
- depends on X86 # unconditional access to IO space.
- help
- Say yes here to support GPIO functionality of IT8761E super I/O chip.
-
config GPIO_EM
tristate "Emma Mobile GPIO"
depends on ARM && OF_GPIO
depends on ARCH_EP93XX
select GPIO_GENERIC
- config GPIO_ZEVIO
- bool "LSI ZEVIO SoC memory mapped GPIOs"
- depends on ARM && OF_GPIO
- help
- Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
-
- config GPIO_MM_LANTIQ
- bool "Lantiq Memory mapped GPIOs"
- depends on LANTIQ && SOC_XWAY
- help
- This enables support for memory mapped GPIOs on the External Bus Unit
- (EBU) found on Lantiq SoCs. The gpios are output only as they are
- created by attaching a 16bit latch to the bus.
-
config GPIO_F7188X
- tristate "F71882FG and F71889F GPIO support"
+ tristate "F71869, F71869A, F71882FG and F71889F GPIO support"
depends on X86
help
This option enables support for GPIOs found on Fintek Super-I/O
- chips F71882FG and F71889F.
+ chips F71869, F71869A, F71882FG and F71889F.
To compile this driver as a module, choose M here: the module will
be called f7188x-gpio.
+ config GPIO_GE_FPGA
+ bool "GE FPGA based GPIO"
+ depends on GE_FPGA
+ select GPIO_GENERIC
+ help
+ Support for common GPIO functionality provided on some GE Single Board
+ Computers.
+
+ This driver provides basic support (configure as input or output, read
+ and write pin state) for GPIO implemented in a number of GE single
+ board computers.
+
+ config GPIO_GENERIC_PLATFORM
+ tristate "Generic memory-mapped GPIO controller support (MMIO platform device)"
+ select GPIO_GENERIC
+ help
+ Say yes here to support basic platform_device memory-mapped GPIO controllers.
+
+ config GPIO_GRGPIO
+ tristate "Aeroflex Gaisler GRGPIO support"
+ depends on OF
+ select GPIO_GENERIC
+ select IRQ_DOMAIN
+ help
+ Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
+ VHDL IP core library.
+
+ config GPIO_ICH
+ tristate "Intel ICH GPIO"
+ depends on PCI && X86
+ select MFD_CORE
+ select LPC_ICH
+ help
+ Say yes here to support the GPIO functionality of a number of Intel
+ ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8
+ ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
+ Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
+
+ If unsure, say N.
+
+ config GPIO_IOP
+ tristate "Intel IOP GPIO"
+ depends on ARM && (ARCH_IOP32X || ARCH_IOP33X)
+ help
+ Say yes here to support the GPIO functionality of a number of Intel
+ IOP32X or IOP33X.
+
+ If unsure, say N.
+
+ config GPIO_IT8761E
+ tristate "IT8761E GPIO support"
+ depends on X86 # unconditional access to IO space.
+ help
+ Say yes here to support GPIO functionality of IT8761E super I/O chip.
+
+ config GPIO_LOONGSON
+ bool "Loongson-2/3 GPIO support"
+ depends on CPU_LOONGSON2 || CPU_LOONGSON3
+ help
+ driver for GPIO functionality on Loongson-2F/3A/3B processors.
+
+ config GPIO_LYNXPOINT
+ tristate "Intel Lynxpoint GPIO support"
+ depends on ACPI && X86
+ select GPIOLIB_IRQCHIP
+ help
+ driver for GPIO functionality on Intel Lynxpoint PCH chipset
+ Requires ACPI device enumeration code to set up a platform device.
+
config GPIO_MB86S7X
bool "GPIO support for Fujitsu MB86S7x Platforms"
depends on ARCH_MB86S7X
help
Say yes here to support the GPIO controller in Fujitsu MB86S70 SoCs.
+ config GPIO_MM_LANTIQ
+ bool "Lantiq Memory mapped GPIOs"
+ depends on LANTIQ && SOC_XWAY
+ help
+ This enables support for memory mapped GPIOs on the External Bus Unit
+ (EBU) found on Lantiq SoCs. The gpios are output only as they are
+ created by attaching a 16bit latch to the bus.
+
config GPIO_MOXART
bool "MOXART GPIO support"
depends on ARCH_MOXART
Legacy GPIO support. Use only for platforms without support for
pinctrl.
+ config GPIO_SCH
+ tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
+ depends on PCI && X86
+ select MFD_CORE
+ select LPC_SCH
+ help
+ Say yes here to support GPIO interface on Intel Poulsbo SCH,
+ Intel Tunnel Creek processor, Intel Centerton processor or
+ Intel Quark X1000 SoC.
+
+ The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
+ powered by the core power rail and are turned off during sleep
+ modes (S3 and higher). The remaining four GPIOs are powered by
+ the Intel SCH suspend power supply. These GPIOs remain
+ active during S3. The suspend powered GPIOs can be used to wake the
+ system from the Suspend-to-RAM state.
+
+ The Intel Tunnel Creek processor has 5 GPIOs powered by the
+ core power rail and 9 from suspend power supply.
+
+ The Intel Centerton processor has a total of 30 GPIO pins.
+ Twenty-one are powered by the core power rail and 9 from the
+ suspend power supply.
+
+ The Intel Quark X1000 SoC has 2 GPIOs powered by the core
+ power well and 6 from the suspend power well.
+
config GPIO_SCH311X
tristate "SMSC SCH311x SuperI/O GPIO"
help
Say yes here to support the STA2x11/ConneXt GPIO device.
The GPIO module has 128 GPIO pins with alternate functions.
+ config GPIO_STP_XWAY
+ bool "XWAY STP GPIOs"
+ depends on SOC_XWAY
+ help
+ This enables support for the Serial To Parallel (STP) unit found on
+ XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
+ that can be up to 24 bit. This peripheral is aimed at driving leds.
+ Some of the gpios/leds can be auto updated by the soc with dsl and
+ phy status.
+
config GPIO_SYSCON
tristate "GPIO based on SYSCON"
depends on MFD_SYSCON && OF
help
Say yes here to support GPIO functionality though SYSCON driver.
+ config GPIO_TB10X
+ bool
+ select GENERIC_IRQ_CHIP
+ select OF_GPIO
+
config GPIO_TS5500
tristate "TS-5500 DIO blocks and compatibles"
depends on TS5500 || COMPILE_TEST
help
Say yes here to support Vybrid vf610 GPIOs.
+ config GPIO_VR41XX
+ tristate "NEC VR4100 series General-purpose I/O Uint support"
+ depends on CPU_VR41XX
+ help
+ Say yes here to support the NEC VR4100 series General-purpose I/O Uint
+
+ config GPIO_VX855
+ tristate "VIA VX855/VX875 GPIO"
+ depends on PCI
+ select MFD_CORE
+ select MFD_VX855
+ help
+ Support access to the VX855/VX875 GPIO lines through the gpio library.
+
+ This driver provides common support for accessing the device,
+ additional drivers must be enabled in order to use the
+ functionality of the device.
+
config GPIO_XGENE
bool "APM X-Gene GPIO controller support"
depends on ARM64 && OF_GPIO
help
Say yes here to support the Xilinx FPGA GPIO device
- config GPIO_ZYNQ
- tristate "Xilinx Zynq GPIO support"
- depends on ARCH_ZYNQ
- select GPIOLIB_IRQCHIP
- help
- Say yes here to support Xilinx Zynq GPIO controller.
-
config GPIO_XTENSA
bool "Xtensa GPIO32 support"
depends on XTENSA
Say yes here to support the Xtensa internal GPIO32 IMPWIRE (input)
and EXPSTATE (output) ports
- config GPIO_VR41XX
- tristate "NEC VR4100 series General-purpose I/O Uint support"
- depends on CPU_VR41XX
+ config GPIO_ZEVIO
+ bool "LSI ZEVIO SoC memory mapped GPIOs"
+ depends on ARM && OF_GPIO
help
- Say yes here to support the NEC VR4100 series General-purpose I/O Uint
+ Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
- config GPIO_SCH
- tristate "Intel SCH/TunnelCreek/Centerton/Quark X1000 GPIO"
- depends on PCI && X86
- select MFD_CORE
- select LPC_SCH
+ config GPIO_ZYNQ
+ tristate "Xilinx Zynq GPIO support"
+ depends on ARCH_ZYNQ
+ select GPIOLIB_IRQCHIP
help
- Say yes here to support GPIO interface on Intel Poulsbo SCH,
- Intel Tunnel Creek processor, Intel Centerton processor or
- Intel Quark X1000 SoC.
-
- The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
- powered by the core power rail and are turned off during sleep
- modes (S3 and higher). The remaining four GPIOs are powered by
- the Intel SCH suspend power supply. These GPIOs remain
- active during S3. The suspend powered GPIOs can be used to wake the
- system from the Suspend-to-RAM state.
-
- The Intel Tunnel Creek processor has 5 GPIOs powered by the
- core power rail and 9 from suspend power supply.
+ Say yes here to support Xilinx Zynq GPIO controller.
- The Intel Centerton processor has a total of 30 GPIO pins.
- Twenty-one are powered by the core power rail and 9 from the
- suspend power supply.
+ endmenu
- The Intel Quark X1000 SoC has 2 GPIOs powered by the core
- power well and 6 from the suspend power well.
+ menu "I2C GPIO expanders"
+ depends on I2C
- config GPIO_ICH
- tristate "Intel ICH GPIO"
- depends on PCI && X86
- select MFD_CORE
- select LPC_ICH
+ config GPIO_ADP5588
+ tristate "ADP5588 I2C GPIO expander"
+ depends on I2C
help
- Say yes here to support the GPIO functionality of a number of Intel
- ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8
- ICH9, ICH10, Series 5/3400 (eg Ibex Peak), Series 6/C200 (eg
- Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).
-
- If unsure, say N.
+ This option enables support for 18 GPIOs found
+ on Analog Devices ADP5588 GPIO Expanders.
- config GPIO_IOP
- tristate "Intel IOP GPIO"
- depends on ARM && (ARCH_IOP32X || ARCH_IOP33X)
+ config GPIO_ADP5588_IRQ
+ bool "Interrupt controller support for ADP5588"
+ depends on GPIO_ADP5588=y
help
- Say yes here to support the GPIO functionality of a number of Intel
- IOP32X or IOP33X.
-
- If unsure, say N.
-
- config GPIO_VX855
- tristate "VIA VX855/VX875 GPIO"
- depends on PCI
- select MFD_CORE
- select MFD_VX855
- help
- Support access to the VX855/VX875 GPIO lines through the gpio library.
-
- This driver provides common support for accessing the device,
- additional drivers must be enabled in order to use the
- functionality of the device.
-
- config GPIO_GE_FPGA
- bool "GE FPGA based GPIO"
- depends on GE_FPGA
- select GPIO_GENERIC
- help
- Support for common GPIO functionality provided on some GE Single Board
- Computers.
-
- This driver provides basic support (configure as input or output, read
- and write pin state) for GPIO implemented in a number of GE single
- board computers.
-
- config GPIO_LYNXPOINT
- tristate "Intel Lynxpoint GPIO support"
- depends on ACPI && X86
- select GPIOLIB_IRQCHIP
- help
- driver for GPIO functionality on Intel Lynxpoint PCH chipset
- Requires ACPI device enumeration code to set up a platform device.
-
- config GPIO_GRGPIO
- tristate "Aeroflex Gaisler GRGPIO support"
- depends on OF
- select GPIO_GENERIC
- select IRQ_DOMAIN
- help
- Select this to support Aeroflex Gaisler GRGPIO cores from the GRLIB
- VHDL IP core library.
-
- config GPIO_TB10X
- bool
- select GENERIC_IRQ_CHIP
- select OF_GPIO
-
- comment "I2C GPIO expanders:"
-
- config GPIO_ARIZONA
- tristate "Wolfson Microelectronics Arizona class devices"
- depends on MFD_ARIZONA
- help
- Support for GPIOs on Wolfson Arizona class devices.
+ Say yes here to enable the adp5588 to be used as an interrupt
+ controller. It requires the driver to be built in the kernel.
- config GPIO_CRYSTAL_COVE
- tristate "GPIO support for Crystal Cove PMIC"
- depends on INTEL_SOC_PMIC
+ config GPIO_ADNP
+ tristate "Avionic Design N-bit GPIO expander"
+ depends on I2C && OF_GPIO
select GPIOLIB_IRQCHIP
help
- Support for GPIO pins on Crystal Cove PMIC.
-
- Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
- inside.
-
- This driver can also be built as a module. If so, the module will be
- called gpio-crystalcove.
-
- config GPIO_LP3943
- tristate "TI/National Semiconductor LP3943 GPIO expander"
- depends on MFD_LP3943
- help
- GPIO driver for LP3943 MFD.
- LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
- Open drain outputs are required for this usage.
+ This option enables support for N GPIOs found on Avionic Design
+ I2C GPIO expanders. The register space will be extended by powers
+ of two, so the controller will need to accommodate for that. For
+ example: if a controller provides 48 pins, 6 registers will be
+ enough to represent all pins, but the driver will assume a
+ register layout for 64 pins (8 registers).
config GPIO_MAX7300
tristate "Maxim MAX7300 GPIO expander"
config GPIO_MAX732X
tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
depends on I2C
- select IRQ_DOMAIN
help
Say yes here to support the MAX7319, MAX7320-7327 series of I2C
Port Expanders. Each IO port on these chips has a fixed role of
config GPIO_MAX732X_IRQ
bool "Interrupt controller support for MAX732x"
depends on GPIO_MAX732X=y
+ select GPIOLIB_IRQCHIP
help
Say yes here to enable the max732x to be used as an interrupt
controller. It requires the driver to be built in the kernel.
config GPIO_PCF857X
tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
depends on I2C
+ select GPIOLIB_IRQCHIP
select IRQ_DOMAIN
help
Say yes here to provide access to most "quasi-bidirectional" I2C
This driver provides an in-kernel interface to those GPIOs using
platform-neutral GPIO calls.
- config GPIO_RC5T583
- bool "RICOH RC5T583 GPIO"
- depends on MFD_RC5T583
- help
- Select this option to enable GPIO driver for the Ricoh RC5T583
- chip family.
- This driver provides the support for driving/reading the gpio pins
- of RC5T583 device through standard gpio library.
-
config GPIO_SX150X
bool "Semtech SX150x I2C GPIO expander"
depends on I2C=y
8 bits: sx1508q
16 bits: sx1509q
+ endmenu
+
+ menu "MFD GPIO expanders"
+
+ config GPIO_ADP5520
+ tristate "GPIO Support for ADP5520 PMIC"
+ depends on PMIC_ADP5520
+ help
+ This option enables support for on-chip GPIO found
+ on Analog Devices ADP5520 PMICs.
+
+ config GPIO_ARIZONA
+ tristate "Wolfson Microelectronics Arizona class devices"
+ depends on MFD_ARIZONA
+ help
+ Support for GPIOs on Wolfson Arizona class devices.
+
+ config GPIO_CRYSTAL_COVE
+ tristate "GPIO support for Crystal Cove PMIC"
+ depends on INTEL_SOC_PMIC
+ select GPIOLIB_IRQCHIP
+ help
+ Support for GPIO pins on Crystal Cove PMIC.
+
+ Say Yes if you have a Intel SoC based tablet with Crystal Cove PMIC
+ inside.
+
+ This driver can also be built as a module. If so, the module will be
+ called gpio-crystalcove.
+
+ config GPIO_CS5535
+ tristate "AMD CS5535/CS5536 GPIO support"
+ depends on MFD_CS5535
+ help
+ The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
+ can be used for quite a number of things. The CS5535/6 is found on
+ AMD Geode and Lemote Yeeloong devices.
+
+ If unsure, say N.
+
+ config GPIO_DA9052
+ tristate "Dialog DA9052 GPIO"
+ depends on PMIC_DA9052
+ help
+ Say yes here to enable the GPIO driver for the DA9052 chip.
+
+ config GPIO_DA9055
+ tristate "Dialog Semiconductor DA9055 GPIO"
+ depends on MFD_DA9055
+ help
+ Say yes here to enable the GPIO driver for the DA9055 chip.
+
+ The Dialog DA9055 PMIC chip has 3 GPIO pins that can be
+ be controller by this driver.
+
+ If driver is built as a module it will be called gpio-da9055.
+
+ config GPIO_DLN2
+ tristate "Diolan DLN2 GPIO support"
+ depends on MFD_DLN2
+ select GPIOLIB_IRQCHIP
+
+ help
+ Select this option to enable GPIO driver for the Diolan DLN2
+ board.
+
+ This driver can also be built as a module. If so, the module
+ will be called gpio-dln2.
+
+ config GPIO_JANZ_TTL
+ tristate "Janz VMOD-TTL Digital IO Module"
+ depends on MFD_JANZ_CMODIO
+ help
+ This enables support for the Janz VMOD-TTL Digital IO module.
+ This driver provides support for driving the pins in output
+ mode only. Input mode is not supported.
+
+ config GPIO_KEMPLD
+ tristate "Kontron ETX / COMexpress GPIO"
+ depends on MFD_KEMPLD
+ help
+ This enables support for the PLD GPIO interface on some Kontron ETX
+ and COMexpress (ETXexpress) modules.
+
+ This driver can also be built as a module. If so, the module will be
+ called gpio-kempld.
+
+ config GPIO_LP3943
+ tristate "TI/National Semiconductor LP3943 GPIO expander"
+ depends on MFD_LP3943
+ help
+ GPIO driver for LP3943 MFD.
+ LP3943 can be used as a GPIO expander which provides up to 16 GPIOs.
+ Open drain outputs are required for this usage.
+
+ config GPIO_MSIC
+ bool "Intel MSIC mixed signal gpio support"
+ depends on MFD_INTEL_MSIC
+ help
+ Enable support for GPIO on intel MSIC controllers found in
+ intel MID devices
+
+ config GPIO_PALMAS
+ bool "TI PALMAS series PMICs GPIO"
+ depends on MFD_PALMAS
+ help
+ Select this option to enable GPIO driver for the TI PALMAS
+ series chip family.
+
+ config GPIO_RC5T583
+ bool "RICOH RC5T583 GPIO"
+ depends on MFD_RC5T583
+ help
+ Select this option to enable GPIO driver for the Ricoh RC5T583
+ chip family.
+ This driver provides the support for driving/reading the gpio pins
+ of RC5T583 device through standard gpio library.
+
config GPIO_STMPE
bool "STMPE GPIOs"
depends on MFD_STMPE
This enables support for the GPIOs found on the STMPE I/O
Expanders.
- config GPIO_STP_XWAY
- bool "XWAY STP GPIOs"
- depends on SOC_XWAY
- help
- This enables support for the Serial To Parallel (STP) unit found on
- XWAY SoC. The STP allows the SoC to drive a shift registers cascade,
- that can be up to 24 bit. This peripheral is aimed at driving leds.
- Some of the gpios/leds can be auto updated by the soc with dsl and
- phy status.
-
config GPIO_TC3589X
bool "TC3589X GPIOs"
depends on MFD_TC3589X
+ depends on OF_GPIO
select GPIOLIB_IRQCHIP
help
This enables support for the GPIOs found on the TC3589X
I/O Expander.
+ config GPIO_TIMBERDALE
+ bool "Support for timberdale GPIO IP"
+ depends on MFD_TIMBERDALE
+ ---help---
+ Add support for the GPIO IP in the timberdale FPGA.
+
+ config GPIO_TPS6586X
+ bool "TPS6586X GPIO"
+ depends on MFD_TPS6586X
+ help
+ Select this option to enable GPIO driver for the TPS6586X
+ chip family.
+
+ config GPIO_TPS65910
+ bool "TPS65910 GPIO"
+ depends on MFD_TPS65910
+ help
+ Select this option to enable GPIO driver for the TPS65910
+ chip family.
+
config GPIO_TPS65912
tristate "TI TPS65912 GPIO"
depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
Say yes here to access the GPO signals of twl6040
audio chip from Texas Instruments.
+ config GPIO_UCB1400
+ tristate "Philips UCB1400 GPIO"
+ depends on UCB1400_CORE
+ help
+ This enables support for the Philips UCB1400 GPIO pins.
+ The UCB1400 is an AC97 audio codec.
+
config GPIO_WM831X
tristate "WM831x GPIOs"
depends on MFD_WM831X
Say yes here to access the GPIO signals of WM8994 audio hub
CODECs from Wolfson Microelectronics.
- config GPIO_ADP5520
- tristate "GPIO Support for ADP5520 PMIC"
- depends on PMIC_ADP5520
- help
- This option enables support for on-chip GPIO found
- on Analog Devices ADP5520 PMICs.
+ endmenu
- config GPIO_ADP5588
- tristate "ADP5588 I2C GPIO expander"
- depends on I2C
- help
- This option enables support for 18 GPIOs found
- on Analog Devices ADP5588 GPIO Expanders.
-
- config GPIO_ADP5588_IRQ
- bool "Interrupt controller support for ADP5588"
- depends on GPIO_ADP5588=y
- help
- Say yes here to enable the adp5588 to be used as an interrupt
- controller. It requires the driver to be built in the kernel.
+ menu "PCI GPIO expanders"
+ depends on PCI
- config GPIO_ADNP
- tristate "Avionic Design N-bit GPIO expander"
- depends on I2C && OF_GPIO
- select GPIOLIB_IRQCHIP
+ config GPIO_AMD8111
+ tristate "AMD 8111 GPIO driver"
+ depends on PCI
help
- This option enables support for N GPIOs found on Avionic Design
- I2C GPIO expanders. The register space will be extended by powers
- of two, so the controller will need to accommodate for that. For
- example: if a controller provides 48 pins, 6 registers will be
- enough to represent all pins, but the driver will assume a
- register layout for 64 pins (8 registers).
-
- comment "PCI GPIO expanders:"
+ The AMD 8111 south bridge contains 32 GPIO pins which can be used.
- config GPIO_CS5535
- tristate "AMD CS5535/CS5536 GPIO support"
- depends on MFD_CS5535
- help
- The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
- can be used for quite a number of things. The CS5535/6 is found on
- AMD Geode and Lemote Yeeloong devices.
+ Note, that usually system firmware/ACPI handles GPIO pins on their
+ own and users might easily break their systems with uncarefull usage
+ of this driver!
- If unsure, say N.
+ If unsure, say N
config GPIO_BT8XX
tristate "BT8XX GPIO abuser"
If unsure, say N.
- config GPIO_AMD8111
- tristate "AMD 8111 GPIO driver"
- depends on PCI
- help
- The AMD 8111 south bridge contains 32 GPIO pins which can be used.
-
- Note, that usually system firmware/ACPI handles GPIO pins on their
- own and users might easily break their systems with uncarefull usage
- of this driver!
-
- If unsure, say N
-
config GPIO_INTEL_MID
bool "Intel Mid GPIO support"
depends on PCI && X86
help
Say Y here to support Intel Mid GPIO.
+ config GPIO_ML_IOH
+ tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
+ depends on PCI
+ select GENERIC_IRQ_CHIP
+ help
+ ML7213 is companion chip for Intel Atom E6xx series.
+ This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
+ Hub) which is for IVI(In-Vehicle Infotainment) use.
+ This driver can access the IOH's GPIO device.
+
config GPIO_PCH
tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO"
depends on PCI && (X86_32 || COMPILE_TEST)
ML7223/ML7831 is companion chip for Intel Atom E6xx series.
ML7223/ML7831 is completely compatible for Intel EG20T PCH.
- config GPIO_ML_IOH
- tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
+ config GPIO_RDC321X
+ tristate "RDC R-321x GPIO support"
depends on PCI
- select GENERIC_IRQ_CHIP
+ select MFD_CORE
+ select MFD_RDC321X
help
- ML7213 is companion chip for Intel Atom E6xx series.
- This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
- Hub) which is for IVI(In-Vehicle Infotainment) use.
- This driver can access the IOH's GPIO device.
+ Support for the RDC R321x SoC GPIOs over southbridge
+ PCI configuration space.
config GPIO_SODAVILLE
bool "Intel Sodaville GPIO support"
help
Say Y here to support Intel Sodaville GPIO.
- config GPIO_TIMBERDALE
- bool "Support for timberdale GPIO IP"
- depends on MFD_TIMBERDALE
- ---help---
- Add support for the GPIO IP in the timberdale FPGA.
+ endmenu
- config GPIO_RDC321X
- tristate "RDC R-321x GPIO support"
- depends on PCI
- select MFD_CORE
- select MFD_RDC321X
- help
- Support for the RDC R321x SoC GPIOs over southbridge
- PCI configuration space.
+ menu "SPI GPIO expanders"
+ depends on SPI_MASTER
- comment "SPI GPIO expanders:"
+ config GPIO_74X164
+ tristate "74x164 serial-in/parallel-out 8-bits shift register"
+ depends on SPI_MASTER && OF
+ help
+ Driver for 74x164 compatible serial-in/parallel-out 8-outputs
+ shift registers. This driver can be used to provide access
+ to more gpio outputs.
config GPIO_MAX7301
tristate "Maxim MAX7301 GPIO expander"
SPI driver for Freescale MC33880 high-side/low-side switch.
This provides GPIO interface supporting inputs and outputs.
- config GPIO_74X164
- tristate "74x164 serial-in/parallel-out 8-bits shift register"
- depends on SPI_MASTER && OF
- help
- Driver for 74x164 compatible serial-in/parallel-out 8-outputs
- shift registers. This driver can be used to provide access
- to more gpio outputs.
-
- comment "AC97 GPIO expanders:"
-
- config GPIO_UCB1400
- tristate "Philips UCB1400 GPIO"
- depends on UCB1400_CORE
- help
- This enables support for the Philips UCB1400 GPIO pins.
- The UCB1400 is an AC97 audio codec.
-
- comment "LPC GPIO expanders:"
-
- config GPIO_KEMPLD
- tristate "Kontron ETX / COMexpress GPIO"
- depends on MFD_KEMPLD
- help
- This enables support for the PLD GPIO interface on some Kontron ETX
- and COMexpress (ETXexpress) modules.
-
- This driver can also be built as a module. If so, the module will be
- called gpio-kempld.
-
- comment "MODULbus GPIO expanders:"
-
- config GPIO_JANZ_TTL
- tristate "Janz VMOD-TTL Digital IO Module"
- depends on MFD_JANZ_CMODIO
- help
- This enables support for the Janz VMOD-TTL Digital IO module.
- This driver provides support for driving the pins in output
- mode only. Input mode is not supported.
-
- config GPIO_PALMAS
- bool "TI PALMAS series PMICs GPIO"
- depends on MFD_PALMAS
- help
- Select this option to enable GPIO driver for the TI PALMAS
- series chip family.
-
- config GPIO_TPS6586X
- bool "TPS6586X GPIO"
- depends on MFD_TPS6586X
- help
- Select this option to enable GPIO driver for the TPS6586X
- chip family.
-
- config GPIO_TPS65910
- bool "TPS65910 GPIO"
- depends on MFD_TPS65910
- help
- Select this option to enable GPIO driver for the TPS65910
- chip family.
-
- config GPIO_MSIC
- bool "Intel MSIC mixed signal gpio support"
- depends on MFD_INTEL_MSIC
- help
- Enable support for GPIO on intel MSIC controllers found in
- intel MID devices
+ endmenu
- config GPIO_BCM_KONA
- bool "Broadcom Kona GPIO"
- depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST)
- help
- Turn on GPIO support for Broadcom "Kona" chips.
-
- comment "USB GPIO expanders:"
+ menu "USB GPIO expanders"
+ depends on USB
config GPIO_VIPERBOARD
tristate "Viperboard GPIO a & b support"
River Tech's viperboard.h for detailed meaning
of the module parameters.
- config GPIO_DLN2
- tristate "Diolan DLN2 GPIO support"
- depends on MFD_DLN2
- select GPIOLIB_IRQCHIP
-
- help
- Select this option to enable GPIO driver for the Diolan DLN2
- board.
-
- This driver can also be built as a module. If so, the module
- will be called gpio-dln2.
+ endmenu
endif
arizona_gpio = devm_kzalloc(&pdev->dev, sizeof(*arizona_gpio),
GFP_KERNEL);
- if (arizona_gpio == NULL)
+ if (!arizona_gpio)
return -ENOMEM;
arizona_gpio->arizona = arizona;
switch (arizona->type) {
case WM5102:
case WM5110:
+ case WM8280:
case WM8997:
arizona_gpio->gpio_chip.ngpio = 5;
break;
static struct platform_driver arizona_gpio_driver = {
.driver.name = "arizona-gpio",
- .driver.owner = THIS_MODULE,
.probe = arizona_gpio_probe,
.remove = arizona_gpio_remove,
};
if (!handler)
return AE_BAD_PARAMETER;
+ pin = acpi_gpiochip_pin_to_gpio_offset(chip, pin);
+ if (pin < 0)
+ return AE_BAD_PARAMETER;
+
desc = gpiochip_request_own_desc(chip, pin, "ACPI:Event");
if (IS_ERR(desc)) {
dev_err(chip->dev, "Failed to request GPIO\n");
return;
INIT_LIST_HEAD(&acpi_gpio->events);
- acpi_walk_resources(ACPI_HANDLE(chip->dev), "_AEI",
+ acpi_walk_resources(handle, "_AEI",
acpi_gpiochip_request_interrupt, acpi_gpio);
}
struct gpio_desc *desc;
bool found;
+ pin = acpi_gpiochip_pin_to_gpio_offset(chip, pin);
+ if (pin < 0) {
+ status = AE_BAD_PARAMETER;
+ goto out;
+ }
+
mutex_lock(&achip->conn_lock);
found = false;
acpi_detach_data(handle, acpi_gpio_chip_dh);
kfree(acpi_gpio);
}
+
+ static unsigned int acpi_gpio_package_count(const union acpi_object *obj)
+ {
+ const union acpi_object *element = obj->package.elements;
+ const union acpi_object *end = element + obj->package.count;
+ unsigned int count = 0;
+
+ while (element < end) {
+ if (element->type == ACPI_TYPE_LOCAL_REFERENCE)
+ count++;
+
+ element++;
+ }
+ return count;
+ }
+
+ static int acpi_find_gpio_count(struct acpi_resource *ares, void *data)
+ {
+ unsigned int *count = data;
+
+ if (ares->type == ACPI_RESOURCE_TYPE_GPIO)
+ *count += ares->data.gpio.pin_table_length;
+
+ return 1;
+ }
+
+ /**
+ * acpi_gpio_count - return the number of GPIOs associated with a
+ * device / function or -ENOENT if no GPIO has been
+ * assigned to the requested function.
+ * @dev: GPIO consumer, can be NULL for system-global GPIOs
+ * @con_id: function within the GPIO consumer
+ */
+ int acpi_gpio_count(struct device *dev, const char *con_id)
+ {
+ struct acpi_device *adev = ACPI_COMPANION(dev);
+ const union acpi_object *obj;
+ const struct acpi_gpio_mapping *gm;
+ int count = -ENOENT;
+ int ret;
+ char propname[32];
+ unsigned int i;
+
+ /* Try first from _DSD */
+ for (i = 0; i < ARRAY_SIZE(gpio_suffixes); i++) {
+ if (con_id && strcmp(con_id, "gpios"))
+ snprintf(propname, sizeof(propname), "%s-%s",
+ con_id, gpio_suffixes[i]);
+ else
+ snprintf(propname, sizeof(propname), "%s",
+ gpio_suffixes[i]);
+
+ ret = acpi_dev_get_property(adev, propname, ACPI_TYPE_ANY,
+ &obj);
+ if (ret == 0) {
+ if (obj->type == ACPI_TYPE_LOCAL_REFERENCE)
+ count = 1;
+ else if (obj->type == ACPI_TYPE_PACKAGE)
+ count = acpi_gpio_package_count(obj);
+ } else if (adev->driver_gpios) {
+ for (gm = adev->driver_gpios; gm->name; gm++)
+ if (strcmp(propname, gm->name) == 0) {
+ count = gm->size;
+ break;
+ }
+ }
+ if (count >= 0)
+ break;
+ }
+
+ /* Then from plain _CRS GPIOs */
+ if (count < 0) {
+ struct list_head resource_list;
+ unsigned int crs_count = 0;
+
+ INIT_LIST_HEAD(&resource_list);
+ acpi_dev_get_resources(adev, &resource_list,
+ acpi_find_gpio_count, &crs_count);
+ acpi_dev_free_resource_list(&resource_list);
+ if (crs_count > 0)
+ count = crs_count;
+ }
+ return count;
+ }
#include <linux/of_gpio.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/slab.h>
+ #include <linux/gpio/machine.h>
#include "gpiolib.h"
ret = gc->of_xlate(gc, &gg_data->gpiospec, gg_data->flags);
if (ret < 0) {
- /* We've found the gpio chip, but the translation failed.
- * Return true to stop looking and return the translation
- * error via out_gpio
+ /* We've found a gpio chip, but the translation failed.
+ * Store translation error in out_gpio.
+ * Return false to keep looking, as more than one gpio chip
+ * could be registered per of-node.
*/
gg_data->out_gpio = ERR_PTR(ret);
- return true;
+ return false;
}
gg_data->out_gpio = gpiochip_get_desc(gc, ret);
}
EXPORT_SYMBOL(of_get_named_gpio_flags);
+ /**
+ * of_get_gpio_hog() - Get a GPIO hog descriptor, names and flags for GPIO API
+ * @np: device node to get GPIO from
+ * @name: GPIO line name
+ * @lflags: gpio_lookup_flags - returned from of_find_gpio() or
+ * of_get_gpio_hog()
+ * @dflags: gpiod_flags - optional GPIO initialization flags
+ *
+ * Returns GPIO descriptor to use with Linux GPIO API, or one of the errno
+ * value on the error condition.
+ */
+ static struct gpio_desc *of_get_gpio_hog(struct device_node *np,
+ const char **name,
+ enum gpio_lookup_flags *lflags,
+ enum gpiod_flags *dflags)
+ {
+ struct device_node *chip_np;
+ enum of_gpio_flags xlate_flags;
+ struct gpio_desc *desc;
+ struct gg_data gg_data = {
+ .flags = &xlate_flags,
+ };
+ u32 tmp;
+ int i, ret;
+
+ chip_np = np->parent;
+ if (!chip_np)
+ return ERR_PTR(-EINVAL);
+
+ xlate_flags = 0;
+ *lflags = 0;
+ *dflags = 0;
+
+ ret = of_property_read_u32(chip_np, "#gpio-cells", &tmp);
+ if (ret)
+ return ERR_PTR(ret);
+
+ if (tmp > MAX_PHANDLE_ARGS)
+ return ERR_PTR(-EINVAL);
+
+ gg_data.gpiospec.args_count = tmp;
+ gg_data.gpiospec.np = chip_np;
+ for (i = 0; i < tmp; i++) {
+ ret = of_property_read_u32_index(np, "gpios", i,
+ &gg_data.gpiospec.args[i]);
+ if (ret)
+ return ERR_PTR(ret);
+ }
+
+ gpiochip_find(&gg_data, of_gpiochip_find_and_xlate);
+ if (!gg_data.out_gpio) {
+ if (np->parent == np)
+ return ERR_PTR(-ENXIO);
+ else
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (xlate_flags & OF_GPIO_ACTIVE_LOW)
+ *lflags |= GPIO_ACTIVE_LOW;
+
+ if (of_property_read_bool(np, "input"))
+ *dflags |= GPIOD_IN;
+ else if (of_property_read_bool(np, "output-low"))
+ *dflags |= GPIOD_OUT_LOW;
+ else if (of_property_read_bool(np, "output-high"))
+ *dflags |= GPIOD_OUT_HIGH;
+ else {
+ pr_warn("GPIO line %d (%s): no hogging state specified, bailing out\n",
+ desc_to_gpio(gg_data.out_gpio), np->name);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (name && of_property_read_string(np, "line-name", name))
+ *name = np->name;
+
+ desc = gg_data.out_gpio;
+
+ return desc;
+ }
+
+ /**
+ * of_gpiochip_scan_hogs - Scan gpio-controller and apply GPIO hog as requested
+ * @chip: gpio chip to act on
+ *
+ * This is only used by of_gpiochip_add to request/set GPIO initial
+ * configuration.
+ */
+ static void of_gpiochip_scan_hogs(struct gpio_chip *chip)
+ {
+ struct gpio_desc *desc = NULL;
+ struct device_node *np;
+ const char *name;
+ enum gpio_lookup_flags lflags;
+ enum gpiod_flags dflags;
+
+ for_each_child_of_node(chip->of_node, np) {
+ if (!of_property_read_bool(np, "gpio-hog"))
+ continue;
+
+ desc = of_get_gpio_hog(np, &name, &lflags, &dflags);
+ if (IS_ERR(desc))
+ continue;
+
+ if (gpiod_hog(desc, name, lflags, dflags))
+ continue;
+ }
+ }
+
/**
* of_gpio_simple_xlate - translate gpio_spec to the GPIO number and flags
* @gc: pointer to the gpio_chip structure
of_gpiochip_add_pin_range(chip);
of_node_get(chip->of_node);
+
+ of_gpiochip_scan_hogs(chip);
}
void of_gpiochip_remove(struct gpio_chip *chip)
enum of_gpio_flags;
+struct acpi_device;
+
/**
* struct acpi_gpio_info - ACPI GPIO specific information
* @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
bool active_low;
};
+ /* gpio suffixes used for ACPI and device tree lookup */
+ static const char * const gpio_suffixes[] = { "gpios", "gpio" };
+
#ifdef CONFIG_ACPI
void acpi_gpiochip_add(struct gpio_chip *chip);
void acpi_gpiochip_remove(struct gpio_chip *chip);
struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev,
const char *propname, int index,
struct acpi_gpio_info *info);
+
+ int acpi_gpio_count(struct device *dev, const char *con_id);
#else
static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
{
return ERR_PTR(-ENOSYS);
}
+
+ static inline int acpi_gpio_count(struct device *dev, const char *con_id)
+ {
+ return -ENODEV;
+ }
#endif
struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
#define FLAG_OPEN_SOURCE 8 /* Gpio is open source type */
#define FLAG_USED_AS_IRQ 9 /* GPIO is connected to an IRQ */
#define FLAG_SYSFS_DIR 10 /* show sysfs direction attribute */
+ #define FLAG_IS_HOGGED 11 /* GPIO is hogged */
#define ID_SHIFT 16 /* add new flags before this one */
int gpiod_request(struct gpio_desc *desc, const char *label);
void gpiod_free(struct gpio_desc *desc);
+ int gpiod_hog(struct gpio_desc *desc, const char *name,
+ unsigned long lflags, enum gpiod_flags dflags);
/*
* Return the GPIO number of the passed descriptor relative to its chip