F: drivers/scsi/aic7xxx/
F: drivers/scsi/aic7xxx_old/
+AIMSLAB FM RADIO RECEIVER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/radio-aimslab*
+
AIO
S: Maintained
F: drivers/infiniband/hw/amso1100/
+ANALOG DEVICES INC AD9389B DRIVER
+S: Maintained
+F: drivers/media/i2c/ad9389b*
+
+ANALOG DEVICES INC ADV7604 DRIVER
+S: Maintained
+F: drivers/media/i2c/adv7604*
+
ANALOG DEVICES INC ASOC CODEC DRIVERS
F: include/linux/amba/kmi.h
ARM PRIMECELL MMCI PL180/1 DRIVER
-S: Orphan
+S: Maintained
F: drivers/mmc/host/mmci.*
+F: include/linux/amba/mmci.h
+
+ARM PRIMECELL UART PL010 AND PL011 DRIVERS
+S: Maintained
+F: drivers/tty/serial/amba-pl01*.c
+F: include/linux/amba/serial.h
ARM PRIMECELL BUS SUPPORT
F: arch/arm/mach-exynos/mach-universal_c210.c
F: arch/arm/mach-exynos/mach-nuri.c
+ARM/SAMSUNG S5P SERIES 2D GRAPHICS ACCELERATION (G2D) SUPPORT
+S: Maintained
+F: drivers/media/platform/s5p-g2d/
+
ARM/SAMSUNG S5P SERIES FIMC SUPPORT
S: Maintained
F: arch/arm/mach-vt8500/
+F: drivers/clocksource/vt8500_timer.c
+F: drivers/gpio/gpio-vt8500.c
+F: drivers/mmc/host/wmt-sdmmc.c
+F: drivers/pwm/pwm-vt8500.c
+F: drivers/rtc/rtc-vt8500.c
+F: drivers/tty/serial/vt8500_serial.c
+F: drivers/usb/host/ehci-vt8500.c
+F: drivers/usb/host/uhci-platform.c
F: drivers/video/vt8500lcdfb.*
F: drivers/video/wm8505fb*
F: drivers/video/wmt_ge_rops.*
-F: drivers/tty/serial/vt8500_serial.c
-F: drivers/rtc/rtc-vt8500.c
-F: drivers/mmc/host/wmt-sdmmc.c
ARM/ZIPIT Z2 SUPPORT
F: arch/arm/mach-pxa/z2.c
F: arch/arm/mach-pxa/include/mach/z2.h
+ARM/ZYNQ ARCHITECTURE
+W: http://wiki.xilinx.com
+T: git git://git.xilinx.com/linux-xlnx.git
+S: Supported
+F: arch/arm/mach-zynq/
+
ARM64 PORT (AARCH64 ARCHITECTURE)
F: arch/arm64/
F: Documentation/arm64/
+AS3645A LED FLASH CONTROLLER DRIVER
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/as3645a.c
+F: include/media/as3645a.h
+
ASC7621 HARDWARE MONITOR DRIVER
F: include/linux/async_tx.h
AT24 EEPROM DRIVER
-M: Wolfram Sang <w.sang@pengutronix.de>
+M: Wolfram Sang <wsa@the-dreams.de>
S: Maintained
F: drivers/misc/eeprom/at24.c
W: http://www.atmel.com/products/AVR32/
-W: http://avr32linux.org/
+W: http://mirror.egtvedt.no/avr32linux.org/
W: http://avrfreaks.net/
S: Maintained
F: arch/avr32/
S: Maintained
F: drivers/media/usb/dvb-usb-v2/az6007.c
+AZTECH FM RADIO RECEIVER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/radio-aztech*
+
B43 WIRELESS DRIVER
S: Supported
F: drivers/i2c/busses/i2c-bfin-twi.c
+BLACKFIN MEDIA DRIVER
+W: http://blackfin.uclinux.org/
+S: Supported
+F: drivers/media/platform/blackfin/
+F: drivers/media/i2c/adv7183*
+F: drivers/media/i2c/vs6624*
+
BLINKM RGB LED DRIVER
S: Maintained
F: Documentation/filesystems/caching/cachefiles.txt
F: fs/cachefiles/
+CADET FM/AM RADIO RECEIVER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/radio-cadet*
+
CAFE CMOS INTEGRATED CAMERA CONTROLLER DRIVER
CHECKPATCH
-S: Supported
+S: Maintained
F: scripts/checkpatch.pl
CHINESE DOCUMENTATION
F: tools/power/cpupower
CPUSETS
W: http://www.bullopensource.org/cpuset/
W: http://oss.sgi.com/projects/cpusets/
-S: Supported
+S: Maintained
F: Documentation/cgroups/cpusets.txt
F: include/linux/cpuset.h
F: kernel/cpuset.c
F: drivers/media/pci/cx18/
F: include/uapi/linux/ivtv*
+CX2341X MPEG ENCODER HELPER MODULE
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/i2c/cx2341x*
+F: include/media/cx2341x*
+
CX88 VIDEO4LINUX DRIVER
F: drivers/gpu/drm/tegra/
F: Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt
+DSBR100 USB FM RADIO DRIVER
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/radio/dsbr100.c
+
DSCC4 DRIVER
F: drivers/net/ethernet/i825xx/eexpress.*
ETHERNET BRIDGE
W: http://www.linuxfoundation.org/en/Net:Bridge
F: include/linux/netfilter_bridge/
F: net/bridge/
-ETHERTEAM 16I DRIVER
-S: Maintained
-F: drivers/net/ethernet/fujitsu/eth16i.c
-
EXT2 FILE SYSTEM
S: Supported
F: drivers/scsi/gdt*
+GEMTEK FM RADIO RECEIVER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/radio-gemtek*
+
GENERIC GPIO I2C DRIVER
S: Supported
F: drivers/i2c/busses/i2c-via.c
F: drivers/i2c/busses/i2c-viapro.c
+ I2C/SMBUS ISMT DRIVER
+ F: drivers/i2c/busses/i2c-ismt.c
+ F: Documentation/i2c/busses/i2c-ismt
+
I2C/SMBUS STUB DRIVER
F: drivers/i2c/i2c-stub.c
I2C SUBSYSTEM
-M: Wolfram Sang <w.sang@pengutronix.de>
+M: Wolfram Sang <wsa@the-dreams.de>
W: http://i2c.wiki.kernel.org/
-T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-i2c/
-T: git git://git.pengutronix.de/git/wsa/linux.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git
S: Maintained
F: Documentation/i2c/
F: drivers/i2c/
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
F: kernel/irq/
+F: drivers/irqchip/
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
F: drivers/pnp/isapnp/
F: include/linux/isapnp.h
+ISA RADIO MODULE
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/radio-isa*
+
iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER
S: Maintained
F: Documentation/kdump/
+KEENE FM RADIO TRANSMITTER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/radio-keene*
+
KERNEL AUTOMOUNTER v4 (AUTOFS4)
F: arch/s390/kvm/
F: drivers/s390/kvm/
+KERNEL VIRTUAL MACHINE (KVM) FOR ARM
+W: http://systems.cs.columbia.edu/projects/kvm-arm
+S: Maintained
+F: arch/arm/include/uapi/asm/kvm*
+F: arch/arm/include/asm/kvm*
+F: arch/arm/kvm/
+
KEXEC
W: http://kernel.org/pub/linux/utils/kernel/kexec/
S: Maintained
F: drivers/media/dvb-frontends/m88rs2000*
+MA901 MASTERKIT USB FM RADIO DRIVER
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/radio/radio-ma901.c
+
MAC80211
MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
S: Maintained
F: drivers/net/ethernet/marvell/sk*
F: Documentation/hwmon/max6650
F: drivers/hwmon/max6650.c
+MAXIRADIO FM RADIO RECEIVER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/radio-maxiradio*
+
MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
P: LinuxTV.org Project
F: include/uapi/linux/ivtv*
F: include/uapi/linux/uvcvideo.h
+MEDIAVISION PRO MOVIE STUDIO DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Odd Fixes
+F: drivers/media/parport/pms*
+
MEGARAID SCSI DRIVERS
W: http://www.linux-mm.org
S: Maintained
F: include/linux/mm.h
+F: include/linux/gfp.h
+F: include/linux/mmzone.h
+F: include/linux/memory_hotplug.h
+F: include/linux/vmalloc.h
F: mm/
MEMORY RESOURCE CONTROLLER
F: Documentation/mips/
F: arch/mips/
+MIROSOUND PCM20 FM RADIO RECEIVER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Odd Fixes
+F: drivers/media/radio/radio-miropcm20*
+
MODULE SUPPORT
S: Maintained
S: Supported
F: drivers/platform/x86/msi-wmi.c
+MT9M032 SENSOR DRIVER
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/mt9m032.c
+F: include/media/mt9m032.h
+
+MT9P031 SENSOR DRIVER
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/mt9p031.c
+F: include/media/mt9p031.h
+
+MT9T001 SENSOR DRIVER
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/mt9t001.c
+F: include/media/mt9t001.h
+
+MT9V032 SENSOR DRIVER
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/mt9v032.c
+F: include/media/mt9v032.h
+
MULTIFUNCTION DEVICES (MFD)
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6.git
F: drivers/infiniband/hw/nes/
NETEM NETWORK EMULATOR
S: Maintained
F: net/sched/sch_netem.c
F: include/uapi/linux/nfs*
F: include/uapi/linux/sunrpc/
-NI5010 NETWORK DRIVER
-S: Maintained
-F: drivers/net/ethernet/racal/ni5010.*
-
NILFS2 FILESYSTEM
F: Documentation/scsi/NinjaSCSI.txt
F: drivers/scsi/nsp32*
+NTB DRIVER
+S: Supported
+F: drivers/ntb/
+F: drivers/net/ntb_netdev.c
+F: include/linux/ntb.h
+
NTFS FILESYSTEM
F: drivers/mmc/host/omap.c
OMAP HS MMC SUPPORT
-M: Venkatraman S <svenkatr@ti.com>
+M: Balaji T K <balajitk@ti.com>
S: Maintained
S: Maintained
F: drivers/i2c/muxes/i2c-mux-pca9541.c
-PCA9564/PCA9665 I2C BUS DRIVER
-S: Maintained
-F: drivers/i2c/algos/i2c-algo-pca.c
-F: drivers/i2c/busses/i2c-pca-*
-F: include/linux/i2c-algo-pca.h
-F: include/linux/i2c-pca-platform.h
-
PCDP - PRIMARY CONSOLE AND DEBUG PORT
S: Maintained
S: Supported
F: arch/hexagon/
+QUICKCAM PARALLEL PORT WEBCAMS
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Odd Fixes
+F: drivers/media/parport/*-qcam*
+
RADOS BLOCK DEVICE (RBD)
F: drivers/s390/net/
S390 ZCRYPT DRIVER
+M: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
W: http://www.ibm.com/developerworks/linux/linux390/
S: Supported
F: drivers/mmc/host/s3cmci.*
+SAA6588 RDS RECEIVER DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Odd Fixes
+F: drivers/media/i2c/saa6588*
+
SAA7134 VIDEO4LINUX DRIVER
F: drivers/media/pci/saa7134/
SAA7146 VIDEO4LINUX-2 DRIVER
T: git git://linuxtv.org/media_tree.git
-W: http://www.mihu.de/linux/saa7146
S: Maintained
F: drivers/media/common/saa7146/
F: drivers/media/pci/saa7146/
F: drivers/media/platform/s3c-camif/
F: include/media/s3c_camif.h
+SAMSUNG S5C73M3 CAMERA DRIVER
+S: Supported
+F: drivers/media/i2c/s5c73m3/*
+
SERIAL DRIVERS
F: drivers/dma/dw_dmac_regs.h
F: drivers/dma/dw_dmac.c
+SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
+S: Maintained
+F: include/linux/mmc/dw_mmc.h
+F: drivers/mmc/host/dw_mmc*
+
TIMEKEEPING, NTP
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
S: Supported
F: drivers/net/ethernet/sfc/
SGI GRU DRIVER
S: Maintained
F: drivers/misc/sgi-gru/
S: Maintained
F: drivers/misc/sgi-xp/
+SI470X FM RADIO RECEIVER I2C DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Odd Fixes
+F: drivers/media/radio/si470x/radio-si470x-i2c.c
+
+SI470X FM RADIO RECEIVER USB DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/radio/si470x/radio-si470x-common.c
+F: drivers/media/radio/si470x/radio-si470x.h
+F: drivers/media/radio/si470x/radio-si470x-usb.c
+
+SH_VEU V4L2 MEM2MEM DRIVER
+S: Maintained
+F: drivers/media/platform/sh_veu.c
+F: include/media/sh_veu.h
+
+SH_VOU V4L2 OUTPUT DRIVER
+S: Maintained
+F: drivers/media/platform/sh_vou.c
+F: include/media/sh_vou.h
+
SIMPLE FIRMWARE INTERFACE (SFI)
S: Maintained
F: drivers/video/smscufx.c
-SN-IA64 (Itanium) SUB-PLATFORM
-W: http://www.sgi.com/altix
-S: Maintained
-F: arch/ia64/sn/
-
SOC-CAMERA V4L2 SUBSYSTEM
F: sound/
SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
-M: Liam Girdwood <lrg@ti.com>
+M: Liam Girdwood <lgirdwood@gmail.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
SPI SUBSYSTEM
Q: http://patchwork.kernel.org/project/spi-devel-general/list/
T: git git://git.secretlab.ca/git/linux-2.6.git
F: drivers/staging/olpc_dcon/
STAGING - OZMO DEVICES USB OVER WIFI DRIVER
S: Maintained
F: drivers/staging/ozwpan/
S: Maintained
F: drivers/media/tuners/tda8290.*
+TDA9840 MEDIA DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/i2c/tda9840*
+
TEA5761 TUNER DRIVER
S: Maintained
F: drivers/media/tuners/tea5767.*
+TEA6415C MEDIA DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/i2c/tea6415c*
+
+TEA6420 MEDIA DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/i2c/tea6420*
+
TEAM DRIVER
S: Supported
F: drivers/net/team/
F: include/linux/if_team.h
F: include/uapi/linux/if_team.h
+TECHNOLOGIC SYSTEMS TS-5500 PLATFORM SUPPORT
+S: Maintained
+F: arch/x86/platform/ts5500/
+
TECHNOTREND USB IR RECEIVER
F: drivers/thermal/
F: include/linux/thermal.h
+THINGM BLINK(1) USB RGB LED DRIVER
+S: Maintained
+F: drivers/hid/hid-thingm.c
+
THINKPAD ACPI EXTRAS DRIVER
F: drivers/video/backlight/lp855x_bl.c
F: include/linux/platform_data/lp855x.h
+TI LP8727 CHARGER DRIVER
+S: Maintained
+F: drivers/power/lp8727_charger.c
+F: include/linux/platform_data/lp8727.h
+
+TI LP8788 MFD DRIVER
+S: Maintained
+F: drivers/iio/adc/lp8788_adc.c
+F: drivers/leds/leds-lp8788.c
+F: drivers/mfd/lp8788*.c
+F: drivers/power/lp8788-charger.c
+F: drivers/regulator/lp8788-*.c
+F: include/linux/mfd/lp8788*.h
+
TI TWL4030 SERIES SOC CODEC DRIVER
USB ATTACHED SCSI
-S: Supported
+S: Maintained
F: drivers/usb/storage/uas.c
USB CDC ETHERNET DRIVER
F: drivers/media/usb/uvc/
F: include/uapi/linux/uvcvideo.h
+USB VISION DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Odd Fixes
+F: drivers/media/usb/usbvision/
+
USB WEBCAM GADGET
S: Maintained
F: drivers/net/ethernet/via/via-velocity.*
+VIVI VIRTUAL VIDEO DRIVER
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/platform/vivi*
+
VLAN (802.1Q)
config I2C_ALI1563
tristate "ALI 1563"
- depends on PCI && EXPERIMENTAL
+ depends on PCI
help
If you say yes to this option, support will be included for the SMB
Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
config I2C_AMD756_S4882
tristate "SMBus multiplexing on the Tyan S4882"
- depends on I2C_AMD756 && X86 && EXPERIMENTAL
+ depends on I2C_AMD756 && X86
help
Enabling this option will add specific SMBus support for the Tyan
S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
Panther Point (PCH)
Lynx Point (PCH)
Lynx Point-LP (PCH)
+ Avoton (SOC)
+ Wellsburg (PCH)
This driver can also be built as a module. If so, the module
will be called i2c-i801.
This driver can also be built as a module. If so, the module
will be called i2c-isch.
+ config I2C_ISMT
+ tristate "Intel iSMT SMBus Controller"
+ depends on PCI && X86
+ help
+ If you say yes to this option, support will be included for the Intel
+ iSMT SMBus host controller interface.
+
+ This driver can also be built as a module. If so, the module will be
+ called i2c-ismt.
+
config I2C_PIIX4
tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
depends on PCI
config I2C_NFORCE2_S4985
tristate "SMBus multiplexing on the Tyan S4985"
- depends on I2C_NFORCE2 && X86 && EXPERIMENTAL
+ depends on I2C_NFORCE2 && X86
help
Enabling this option will add specific SMBus support for the Tyan
S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
will be called i2c-sis5595.
config I2C_SIS630
- tristate "SiS 630/730"
+ tristate "SiS 630/730/964"
depends on PCI
help
If you say yes to this option, support will be included for the
- SiS630 and SiS730 SMBus (a subset of I2C) interface.
+ SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
This driver can also be built as a module. If so, the module
will be called i2c-sis630.
config I2C_VIA
tristate "VIA VT82C586B"
- depends on PCI && EXPERIMENTAL
+ depends on PCI
select I2C_ALGOBIT
help
If you say yes to this option, support will be included for the VIA
config I2C_HYDRA
tristate "CHRP Apple Hydra Mac I/O I2C interface"
- depends on PCI && PPC_CHRP && EXPERIMENTAL
+ depends on PCI && PPC_CHRP
select I2C_ALGOBIT
help
This supports the use of the I2C interface in the Apple Hydra Mac
config I2C_AT91
tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
- depends on ARCH_AT91 && EXPERIMENTAL
+ depends on ARCH_AT91
help
This supports the use of the I2C interface on Atmel AT91
processors.
This driver can also be built as a module. If so, the module
will be called i2c-au1550.
+ config I2C_BCM2835
+ tristate "Broadcom BCM2835 I2C controller"
+ depends on ARCH_BCM2835
+ help
+ If you say yes to this option, support will be included for the
+ BCM2835 I2C controller.
+
+ If you don't know what to do here, say N.
+
+ This support is also available as a module. If so, the module
+ will be called i2c-bcm2835.
+
config I2C_BLACKFIN_TWI
tristate "Blackfin TWI I2C support"
depends on BLACKFIN
config I2C_OCORES
tristate "OpenCores I2C Controller"
- depends on EXPERIMENTAL
help
If you say yes to this option, support will be included for the
OpenCores I2C controller. For details see
config I2C_XILINX
tristate "Xilinx I2C Controller"
- depends on EXPERIMENTAL && HAS_IOMEM
+ depends on HAS_IOMEM
help
If you say yes to this option, support will be included for the
Xilinx I2C controller.
config I2C_TAOS_EVM
tristate "TAOS evaluation module"
- depends on EXPERIMENTAL
+ depends on TTY
select SERIO
select SERIO_SERPORT
default n
.has_dma_support = false,
};
- static struct at91_twi_pdata at91sam9x5_config = {
- .clk_max_div = 7,
- .clk_offset = 4,
- .has_unre_flag = false,
- .has_dma_support = true,
- };
-
static const struct platform_device_id at91_twi_devtypes[] = {
{
.name = "i2c-at91rm9200",
};
#if defined(CONFIG_OF)
+ static struct at91_twi_pdata at91sam9x5_config = {
+ .clk_max_div = 7,
+ .clk_offset = 4,
+ .has_unre_flag = false,
+ .has_dma_support = true,
+ };
+
static const struct of_device_id atmel_twi_dt_ids[] = {
{
+ .compatible = "atmel,at91rm9200-i2c",
+ .data = &at91rm9200_config,
+ } , {
.compatible = "atmel,at91sam9260-i2c",
.data = &at91sam9260_config,
} , {
if (!dev->pdata)
return -ENODEV;
- dev->base = devm_request_and_ioremap(&pdev->dev, mem);
- if (!dev->base)
- return -EBUSY;
+ dev->base = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(dev->base))
+ return PTR_ERR(dev->base);
dev->irq = platform_get_irq(pdev, 0);
if (dev->irq < 0)
return -ENOENT;
}
- base = devm_request_and_ioremap(&pdev->dev, res);
- if (!base)
- return -EBUSY;
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
i2c_imx = devm_kzalloc(&pdev->dev, sizeof(struct imx_i2c_struct),
GFP_KERNEL);
/* remove adapter */
dev_dbg(&i2c_imx->adapter.dev, "adapter removed\n");
i2c_del_adapter(&i2c_imx->adapter);
- platform_set_drvdata(pdev, NULL);
/* setup chip registers to defaults */
writeb(0, i2c_imx->base + IMX_I2C_IADR);
* kind, whether express or implied.
*/
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
&i2c->reg_io_width);
match = of_match_node(ocores_i2c_match, pdev->dev.of_node);
- if (match && (int)match->data == TYPE_GRLIB) {
+ if (match && (long)match->data == TYPE_GRLIB) {
dev_dbg(&pdev->dev, "GRLIB variant of i2c-ocores\n");
i2c->setreg = oc_setreg_grlib;
i2c->getreg = oc_getreg_grlib;
if (!i2c)
return -ENOMEM;
- i2c->base = devm_request_and_ioremap(&pdev->dev, res);
- if (!i2c->base)
- return -EADDRNOTAVAIL;
+ i2c->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(i2c->base))
+ return PTR_ERR(i2c->base);
pdata = pdev->dev.platform_data;
if (pdata) {
/* remove adapter & data */
i2c_del_adapter(&i2c->adap);
- platform_set_drvdata(pdev, NULL);
return 0;
}
return -ENOMEM;
}
- dev->base = devm_request_and_ioremap(&pdev->dev, mem);
- if (!dev->base) {
- dev_err(&pdev->dev, "I2C region already claimed\n");
- return -ENOMEM;
- }
+ dev->base = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(dev->base))
+ return PTR_ERR(dev->base);
match = of_match_device(of_match_ptr(omap_i2c_of_match), &pdev->dev);
if (match) {
pm_runtime_put(dev->dev);
pm_runtime_disable(&pdev->dev);
err_free_mem:
- platform_set_drvdata(pdev, NULL);
return r;
}
struct omap_i2c_dev *dev = platform_get_drvdata(pdev);
int ret;
- platform_set_drvdata(pdev, NULL);
-
i2c_del_adapter(&dev->adapter);
ret = pm_runtime_get_sync(&pdev->dev);
if (IS_ERR_VALUE(ret))
{ .compatible = "samsung,s3c2440-i2c", .data = (void *)QUIRK_S3C2440 },
{ .compatible = "samsung,s3c2440-hdmiphy-i2c",
.data = (void *)(QUIRK_S3C2440 | QUIRK_HDMIPHY | QUIRK_NO_GPIO) },
+ { .compatible = "samsung,exynos5440-i2c",
+ .data = (void *)(QUIRK_S3C2440 | QUIRK_NO_GPIO) },
{},
};
MODULE_DEVICE_TABLE(of, s3c24xx_i2c_match);
i2c->pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!i2c->pdata) {
- ret = -ENOMEM;
- goto err_noclk;
+ dev_err(&pdev->dev, "no memory for platform data\n");
+ return -ENOMEM;
}
i2c->quirks = s3c24xx_get_device_quirks(pdev);
/* find the clock and enable it */
i2c->dev = &pdev->dev;
- i2c->clk = clk_get(&pdev->dev, "i2c");
+ i2c->clk = devm_clk_get(&pdev->dev, "i2c");
if (IS_ERR(i2c->clk)) {
dev_err(&pdev->dev, "cannot get clock\n");
- ret = -ENOENT;
- goto err_noclk;
+ return -ENOENT;
}
dev_dbg(&pdev->dev, "clock source %p\n", i2c->clk);
- clk_prepare_enable(i2c->clk);
/* map the registers */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "cannot find IO resource\n");
- ret = -ENOENT;
- goto err_clk;
+ return -ENOENT;
}
- i2c->regs = devm_request_and_ioremap(&pdev->dev, res);
+ i2c->regs = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(i2c->regs)) {
- ret = PTR_ERR(i2c->regs);
- goto err_clk;
- if (i2c->regs == NULL) {
- dev_err(&pdev->dev, "cannot request and map IO\n");
- return -ENXIO;
-- }
++ if (IS_ERR(i2c->regs))
++ return PTR_ERR(i2c->regs);
dev_dbg(&pdev->dev, "registers %p (%p)\n",
i2c->regs, res);
if (i2c->pdata->cfg_gpio) {
i2c->pdata->cfg_gpio(to_platform_device(i2c->dev));
} else if (IS_ERR(i2c->pctrl) && s3c24xx_i2c_parse_dt_gpio(i2c)) {
- ret = -EINVAL;
- goto err_clk;
+ return -EINVAL;
}
/* initialise the i2c controller */
+ clk_prepare_enable(i2c->clk);
ret = s3c24xx_i2c_init(i2c);
- if (ret != 0)
- goto err_clk;
-
+ clk_disable_unprepare(i2c->clk);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "I2C controller init failed\n");
+ return ret;
+ }
/* find the IRQ for this unit (note, this relies on the init call to
* ensure no current IRQs pending
*/
i2c->irq = ret = platform_get_irq(pdev, 0);
if (ret <= 0) {
dev_err(&pdev->dev, "cannot find IRQ\n");
- goto err_clk;
+ return ret;
}
- ret = request_irq(i2c->irq, s3c24xx_i2c_irq, 0,
- dev_name(&pdev->dev), i2c);
+ ret = devm_request_irq(&pdev->dev, i2c->irq, s3c24xx_i2c_irq, 0,
+ dev_name(&pdev->dev), i2c);
if (ret != 0) {
dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq);
- goto err_clk;
+ return ret;
}
ret = s3c24xx_i2c_register_cpufreq(i2c);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register cpufreq notifier\n");
- goto err_irq;
+ return ret;
}
/* Note, previous versions of the driver used i2c_add_adapter()
ret = i2c_add_numbered_adapter(&i2c->adap);
if (ret < 0) {
dev_err(&pdev->dev, "failed to add bus to i2c core\n");
- goto err_cpufreq;
+ s3c24xx_i2c_deregister_cpufreq(i2c);
+ return ret;
}
of_i2c_register_devices(&i2c->adap);
pm_runtime_enable(&i2c->adap.dev);
dev_info(&pdev->dev, "%s: S3C I2C adapter\n", dev_name(&i2c->adap.dev));
- clk_disable_unprepare(i2c->clk);
return 0;
-
- err_cpufreq:
- s3c24xx_i2c_deregister_cpufreq(i2c);
-
- err_irq:
- free_irq(i2c->irq, i2c);
-
- err_clk:
- clk_disable_unprepare(i2c->clk);
- clk_put(i2c->clk);
-
- err_noclk:
- return ret;
}
/* s3c24xx_i2c_remove
s3c24xx_i2c_deregister_cpufreq(i2c);
i2c_del_adapter(&i2c->adap);
- free_irq(i2c->irq, i2c);
clk_disable_unprepare(i2c->clk);
- clk_put(i2c->clk);
if (pdev->dev.of_node && IS_ERR(i2c->pctrl))
s3c24xx_i2c_dt_gpio_free(i2c);
if (!res)
return -ENOENT;
- dev->virtbase = devm_request_and_ioremap(&pdev->dev, res);
+ dev->virtbase = devm_ioremap_resource(&pdev->dev, res);
dev_dbg(&pdev->dev, "initialize bus device I2C%d on virtual "
"base %p\n", bus_nr, dev->virtbase);
- if (!dev->virtbase)
- return -ENOMEM;
+ if (IS_ERR(dev->virtbase))
+ return PTR_ERR(dev->virtbase);
dev->irq = platform_get_irq(pdev, 0);
ret = devm_request_irq(&pdev->dev, dev->irq, stu300_irh, 0, NAME, dev);
i2c_del_adapter(&dev->adapter);
/* Turn off everything */
stu300_wr8(0x00, dev->virtbase + I2C_CR);
- platform_set_drvdata(pdev, NULL);
return 0;
}
#include <linux/of_i2c.h>
#include <linux/of_device.h>
#include <linux/module.h>
+#include <linux/clk/tegra.h>
#include <asm/unaligned.h>
-#include <mach/clk.h>
-
#define TEGRA_I2C_TIMEOUT (msecs_to_jiffies(1000))
#define BYTES_PER_FIFO_WORD 4
#define I2C_INT_TX_FIFO_DATA_REQ (1<<1)
#define I2C_INT_RX_FIFO_DATA_REQ (1<<0)
#define I2C_CLK_DIVISOR 0x06c
+ #define I2C_CLK_DIVISOR_STD_FAST_MODE_SHIFT 16
+ #define I2C_CLK_MULTIPLIER_STD_FAST_MODE 8
#define DVC_CTRL_REG1 0x000
#define DVC_CTRL_REG1_INTR_EN (1<<10)
/**
* struct tegra_i2c_hw_feature : Different HW support on Tegra
* @has_continue_xfer_support: Continue transfer supports.
+ * @has_per_pkt_xfer_complete_irq: Has enable/disable capability for transfer
+ * complete interrupt per packet basis.
+ * @has_single_clk_source: The i2c controller has single clock source. Tegra30
+ * and earlier Socs has two clock sources i.e. div-clk and
+ * fast-clk.
+ * @clk_divisor_hs_mode: Clock divisor in HS mode.
+ * @clk_divisor_std_fast_mode: Clock divisor in standard/fast mode. It is
+ * applicable if there is no fast clock source i.e. single clock
+ * source.
*/
struct tegra_i2c_hw_feature {
bool has_continue_xfer_support;
+ bool has_per_pkt_xfer_complete_irq;
+ bool has_single_clk_source;
+ int clk_divisor_hs_mode;
+ int clk_divisor_std_fast_mode;
};
/**
static inline int tegra_i2c_clock_enable(struct tegra_i2c_dev *i2c_dev)
{
int ret;
- ret = clk_prepare_enable(i2c_dev->fast_clk);
- if (ret < 0) {
- dev_err(i2c_dev->dev,
- "Enabling fast clk failed, err %d\n", ret);
- return ret;
+ if (!i2c_dev->hw->has_single_clk_source) {
+ ret = clk_prepare_enable(i2c_dev->fast_clk);
+ if (ret < 0) {
+ dev_err(i2c_dev->dev,
+ "Enabling fast clk failed, err %d\n", ret);
+ return ret;
+ }
}
ret = clk_prepare_enable(i2c_dev->div_clk);
if (ret < 0) {
static inline void tegra_i2c_clock_disable(struct tegra_i2c_dev *i2c_dev)
{
clk_disable_unprepare(i2c_dev->div_clk);
- clk_disable_unprepare(i2c_dev->fast_clk);
+ if (!i2c_dev->hw->has_single_clk_source)
+ clk_disable_unprepare(i2c_dev->fast_clk);
}
static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
{
u32 val;
int err = 0;
+ int clk_multiplier = I2C_CLK_MULTIPLIER_STD_FAST_MODE;
+ u32 clk_divisor;
tegra_i2c_clock_enable(i2c_dev);
(0x2 << I2C_CNFG_DEBOUNCE_CNT_SHIFT);
i2c_writel(i2c_dev, val, I2C_CNFG);
i2c_writel(i2c_dev, 0, I2C_INT_MASK);
- clk_set_rate(i2c_dev->div_clk, i2c_dev->bus_clk_rate * 8);
+
+ clk_multiplier *= (i2c_dev->hw->clk_divisor_std_fast_mode + 1);
+ clk_set_rate(i2c_dev->div_clk, i2c_dev->bus_clk_rate * clk_multiplier);
+
+ /* Make sure clock divisor programmed correctly */
+ clk_divisor = i2c_dev->hw->clk_divisor_hs_mode;
+ clk_divisor |= i2c_dev->hw->clk_divisor_std_fast_mode <<
+ I2C_CLK_DIVISOR_STD_FAST_MODE_SHIFT;
+ i2c_writel(i2c_dev, clk_divisor, I2C_CLK_DIVISOR);
if (!i2c_dev->is_dvc) {
u32 sl_cfg = i2c_readl(i2c_dev, I2C_SL_CNFG);
tegra_i2c_fill_tx_fifo(i2c_dev);
int_mask = I2C_INT_NO_ACK | I2C_INT_ARBITRATION_LOST;
+ if (i2c_dev->hw->has_per_pkt_xfer_complete_irq)
+ int_mask |= I2C_INT_PACKET_XFER_COMPLETE;
if (msg->flags & I2C_M_RD)
int_mask |= I2C_INT_RX_FIFO_DATA_REQ;
else if (i2c_dev->msg_buf_remaining)
ret = wait_for_completion_timeout(&i2c_dev->msg_complete, TEGRA_I2C_TIMEOUT);
tegra_i2c_mask_irq(i2c_dev, int_mask);
- if (WARN_ON(ret == 0)) {
+ if (ret == 0) {
dev_err(i2c_dev->dev, "i2c transfer timed out\n");
tegra_i2c_init(i2c_dev);
static const struct tegra_i2c_hw_feature tegra20_i2c_hw = {
.has_continue_xfer_support = false,
+ .has_per_pkt_xfer_complete_irq = false,
+ .has_single_clk_source = false,
+ .clk_divisor_hs_mode = 3,
+ .clk_divisor_std_fast_mode = 0,
};
static const struct tegra_i2c_hw_feature tegra30_i2c_hw = {
.has_continue_xfer_support = true,
+ .has_per_pkt_xfer_complete_irq = false,
+ .has_single_clk_source = false,
+ .clk_divisor_hs_mode = 3,
+ .clk_divisor_std_fast_mode = 0,
+ };
+
+ static const struct tegra_i2c_hw_feature tegra114_i2c_hw = {
+ .has_continue_xfer_support = true,
+ .has_per_pkt_xfer_complete_irq = true,
+ .has_single_clk_source = true,
+ .clk_divisor_hs_mode = 1,
+ .clk_divisor_std_fast_mode = 0x19,
};
#if defined(CONFIG_OF)
/* Match table for of_platform binding */
static const struct of_device_id tegra_i2c_of_match[] = {
+ { .compatible = "nvidia,tegra114-i2c", .data = &tegra114_i2c_hw, },
{ .compatible = "nvidia,tegra30-i2c", .data = &tegra30_i2c_hw, },
{ .compatible = "nvidia,tegra20-i2c", .data = &tegra20_i2c_hw, },
{ .compatible = "nvidia,tegra20-i2c-dvc", .data = &tegra20_i2c_hw, },
return -EINVAL;
}
- base = devm_request_and_ioremap(&pdev->dev, res);
- if (!base) {
- dev_err(&pdev->dev, "Cannot request/ioremap I2C registers\n");
- return -EADDRNOTAVAIL;
- }
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
return PTR_ERR(div_clk);
}
- fast_clk = devm_clk_get(&pdev->dev, "fast-clk");
- if (IS_ERR(fast_clk)) {
- dev_err(&pdev->dev, "missing bus clock");
- return PTR_ERR(fast_clk);
- }
-
i2c_dev = devm_kzalloc(&pdev->dev, sizeof(*i2c_dev), GFP_KERNEL);
if (!i2c_dev) {
dev_err(&pdev->dev, "Could not allocate struct tegra_i2c_dev");
i2c_dev->base = base;
i2c_dev->div_clk = div_clk;
- i2c_dev->fast_clk = fast_clk;
i2c_dev->adapter.algo = &tegra_i2c_algo;
i2c_dev->irq = irq;
i2c_dev->cont_id = pdev->id;
}
init_completion(&i2c_dev->msg_complete);
+ if (!i2c_dev->hw->has_single_clk_source) {
+ fast_clk = devm_clk_get(&pdev->dev, "fast-clk");
+ if (IS_ERR(fast_clk)) {
+ dev_err(&pdev->dev, "missing fast clock");
+ return PTR_ERR(fast_clk);
+ }
+ i2c_dev->fast_clk = fast_clk;
+ }
+
platform_set_drvdata(pdev, i2c_dev);
ret = tegra_i2c_init(i2c_dev);
* warranty of any kind, whether express or implied.
*/
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->iobase = devm_request_and_ioremap(&pdev->dev, res);
- if (!priv->iobase) {
- dev_err(&pdev->dev, "devm_request_and_ioremap failed\n");
- return -EBUSY;
- }
+ priv->iobase = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(priv->iobase))
+ return PTR_ERR(priv->iobase);
priv->adap.dev.parent = &pdev->dev;
priv->adap.owner = THIS_MODULE;
priv = platform_get_drvdata(pdev);
i2c_del_adapter(&priv->adap);
- platform_set_drvdata(pdev, NULL);
return 0;
}
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