F: include/uapi/linux/wmi.h
ACRN HYPERVISOR SERVICE MODULE
-M: Shuo Liu <shuo.a.liu@intel.com>
+M: Fei Li <fei1.li@intel.com>
L: acrn-dev@lists.projectacrn.org (subscribers-only)
S: Supported
W: https://projectacrn.org
W: https://parisc.wiki.kernel.org/index.php/AD1889
F: sound/pci/ad1889.*
+AD5110 ANALOG DEVICES DIGITAL POTENTIOMETERS DRIVER
+M: Mugilraj Dhavachelvan <dmugil2000@gmail.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+F: drivers/iio/potentiometer/ad5110.c
+
AD525X ANALOG DEVICES DIGITAL POTENTIOMETERS DRIVER
M: Michael Hennerich <michael.hennerich@analog.com>
S: Supported
F: drivers/i2c/busses/i2c-altera.c
ALTERA MAILBOX DRIVER
-M: Ley Foon Tan <ley.foon.tan@intel.com>
+M: Joyce Ooi <joyce.ooi@intel.com>
S: Maintained
F: drivers/mailbox/mailbox-altera.c
AMD IOMMU (AMD-VI)
M: Joerg Roedel <joro@8bytes.org>
+R: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
L: iommu@lists.linux-foundation.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
S: Odd fixes
F: drivers/input/mouse/bcm5974.c
+APPLE DART IOMMU DRIVER
+M: Sven Peter <sven@svenpeter.dev>
+L: iommu@lists.linux-foundation.org
+S: Maintained
+F: Documentation/devicetree/bindings/iommu/apple,dart.yaml
+F: drivers/iommu/apple-dart.c
+
APPLE SMC DRIVER
M: Henrik Rydberg <rydberg@bitmath.org>
L: linux-hwmon@vger.kernel.org
S: Maintained
F: drivers/media/i2c/aptina-pll.*
+AQUACOMPUTER D5 NEXT PUMP SENSOR DRIVER
+M: Aleksa Savic <savicaleksa83@gmail.com>
+L: linux-hwmon@vger.kernel.org
+S: Maintained
+F: Documentation/hwmon/aquacomputer_d5next.rst
+F: drivers/hwmon/aquacomputer_d5next.c
+
AQUANTIA ETHERNET DRIVER (atlantic)
M: Igor Russkikh <irusskikh@marvell.com>
L: netdev@vger.kernel.org
F: Documentation/devicetree/bindings/arm/arm,realview.yaml
F: Documentation/devicetree/bindings/arm/arm,versatile.yaml
F: Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml
-F: Documentation/devicetree/bindings/auxdisplay/arm-charlcd.txt
+F: Documentation/devicetree/bindings/auxdisplay/arm,versatile-lcd.yaml
F: Documentation/devicetree/bindings/clock/arm,syscon-icst.yaml
F: Documentation/devicetree/bindings/i2c/i2c-versatile.txt
F: Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt
F: include/linux/amba/bus.h
ARM PRIMECELL PL35X NAND CONTROLLER DRIVER
-M: Miquel Raynal <miquel.raynal@bootlin.com@bootlin.com>
+M: Miquel Raynal <miquel.raynal@bootlin.com>
M: Naga Sureshkumar Relli <nagasure@xilinx.com>
L: linux-mtd@lists.infradead.org
S: Maintained
F: drivers/mtd/nand/raw/pl35x-nand-controller.c
ARM PRIMECELL PL35X SMC DRIVER
-M: Miquel Raynal <miquel.raynal@bootlin.com@bootlin.com>
+M: Miquel Raynal <miquel.raynal@bootlin.com>
M: Naga Sureshkumar Relli <nagasure@xilinx.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: Documentation/devicetree/bindings/mtd/arm,pl353-smc.yaml
+F: Documentation/devicetree/bindings/memory-controllers/arm,pl353-smc.yaml
F: drivers/memory/pl353-smc.c
ARM PRIMECELL CLCD PL110 DRIVER
S: Maintained
W: https://asahilinux.org
B: https://github.com/AsahiLinux/linux/issues
-C: irc://chat.freenode.net/asahi-dev
+C: irc://irc.oftc.net/asahi-dev
T: git https://github.com/AsahiLinux/linux.git
F: Documentation/devicetree/bindings/arm/apple.yaml
F: Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml
+F: Documentation/devicetree/bindings/bus/intel,ixp4xx-expansion-bus-controller.yaml
F: Documentation/devicetree/bindings/gpio/intel,ixp4xx-gpio.txt
F: Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
F: Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
F: arch/arm/mach-ixp4xx/
+F: drivers/bus/intel-ixp4xx-eb.c
F: drivers/clocksource/timer-ixp4xx.c
F: drivers/crypto/ixp4xx_crypto.c
F: drivers/gpio/gpio-ixp4xx.c
M: Sakari Ailus <sakari.ailus@iki.fi>
L: linux-leds@vger.kernel.org
S: Maintained
-F: drivers/leds/leds-as3645a.c
+F: drivers/leds/flash/leds-as3645a.c
ASAHI KASEI AK7375 LENS VOICE COIL DRIVER
M: Tianshu Qiu <tian.shu.qiu@intel.com>
W: https://www.open-mesh.org/
Q: https://patchwork.open-mesh.org/project/batman/list/
B: https://www.open-mesh.org/projects/batman-adv/issues
-C: irc://chat.freenode.net/batman
+C: ircs://irc.hackint.org/batadv
T: git https://git.open-mesh.org/linux-merge.git
F: Documentation/networking/batman-adv.rst
F: include/uapi/linux/batadv_packet.h
BPF JIT for POWERPC (32-BIT AND 64-BIT)
M: Naveen N. Rao <naveen.n.rao@linux.ibm.com>
-M: Sandipan Das <sandipan@linux.ibm.com>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
S: Maintained
M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.txt
+F: Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.yaml
F: drivers/memory/brcmstb_dpfe.c
BROADCOM STB NAND FLASH DRIVER
S: Maintained
F: drivers/mtd/nand/raw/brcmnand/
+BROADCOM STB PCIE DRIVER
+M: Jim Quinlan <jim2101024@gmail.com>
+M: Nicolas Saenz Julienne <nsaenz@kernel.org>
+M: Florian Fainelli <f.fainelli@gmail.com>
+M: bcm-kernel-feedback-list@broadcom.com
+L: linux-pci@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
+F: drivers/pci/controller/pcie-brcmstb.c
+
BROADCOM SYSTEMPORT ETHERNET DRIVER
M: Florian Fainelli <f.fainelli@gmail.com>
L: bcm-kernel-feedback-list@broadcom.com
S: Supported
W: https://clangbuiltlinux.github.io/
B: https://github.com/ClangBuiltLinux/linux/issues
-C: irc://chat.freenode.net/clangbuiltlinux
+C: irc://irc.libera.chat/clangbuiltlinux
F: Documentation/kbuild/llvm.rst
F: include/linux/compiler-clang.h
+F: scripts/Makefile.clang
F: scripts/clang-tools/
K: \b(?i:clang|llvm)\b
F: include/linux/of_clk.h
X: drivers/clk/clkdev.c
-COMMON INTERNET FILE SYSTEM (CIFS)
+COMMON INTERNET FILE SYSTEM CLIENT (CIFS)
M: Steve French <sfrench@samba.org>
L: linux-cifs@vger.kernel.org
L: samba-technical@lists.samba.org (moderated for non-subscribers)
T: git git://git.samba.org/sfrench/cifs-2.6.git
F: Documentation/admin-guide/cifs/
F: fs/cifs/
+F: fs/cifs_common/
COMPACTPCI HOTPLUG CORE
M: Scott Murray <scott@spiteful.org>
L: linux-pm@vger.kernel.org
L: linux-samsung-soc@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt
+F: Documentation/devicetree/bindings/memory-controllers/samsung,exynos5422-dmc.yaml
F: drivers/memory/samsung/exynos5422-dmc.c
DME1737 HARDWARE MONITOR DRIVER
M: Ioana Ciornei <ioana.ciornei@nxp.com>
L: netdev@vger.kernel.org
S: Maintained
+F: Documentation/networking/device_drivers/ethernet/freescale/dpaa2/switch-driver.rst
F: drivers/net/ethernet/freescale/dpaa2/dpaa2-switch*
F: drivers/net/ethernet/freescale/dpaa2/dpsw*
F: drivers/block/drbd/
F: lib/lru_cache.c
+DRIVER COMPONENT FRAMEWORK
+L: dri-devel@lists.freedesktop.org
+F: drivers/base/component.c
+F: include/linux/component.h
+
DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
R: "Rafael J. Wysocki" <rafael@kernel.org>
L: virtualization@lists.linux-foundation.org
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
-F: drivers/gpu/drm/bochs/
+F: drivers/gpu/drm/tiny/bochs.c
DRM DRIVER FOR BOE HIMAX8279D PANELS
M: Jerry Han <hanxu5@huaqin.corp-partner.google.com>
F: Documentation/devicetree/bindings/display/panel/raydium,rm67191.yaml
F: drivers/gpu/drm/panel/panel-raydium-rm67191.c
+DRM DRIVER FOR SAMSUNG DB7430 PANELS
+M: Linus Walleij <linus.walleij@linaro.org>
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: Documentation/devicetree/bindings/display/panel/samsung,lms397kf04.yaml
+F: drivers/gpu/drm/panel/panel-samsung-db7430.c
+
DRM DRIVER FOR SITRONIX ST7703 PANELS
M: Guido Günther <agx@sigxcpu.org>
R: Purism Kernel Team <kernel@puri.sm>
DRM DRIVER FOR VMWARE VIRTUAL GPU
M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
-M: Roland Scheidegger <sroland@vmware.com>
M: Zack Rusin <zackr@vmware.com>
L: dri-devel@lists.freedesktop.org
S: Supported
-T: git git://people.freedesktop.org/~sroland/linux
+T: git git://anongit.freedesktop.org/drm/drm-misc
F: drivers/gpu/drm/vmwgfx/
F: include/uapi/drm/vmwgfx_drm.h
+DRM DRIVER FOR WIDECHIPS WS2401 PANELS
+M: Linus Walleij <linus.walleij@linaro.org>
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: Documentation/devicetree/bindings/display/panel/samsung,lms380kf01.yaml
+F: drivers/gpu/drm/panel/panel-widechips-ws2401.c
+
DRM DRIVERS
M: David Airlie <airlied@linux.ie>
M: Daniel Vetter <daniel@ffwll.ch>
L: dri-devel@lists.freedesktop.org
S: Maintained
B: https://gitlab.freedesktop.org/drm
-C: irc://chat.freenode.net/dri-devel
+C: irc://irc.oftc.net/dri-devel
T: git git://anongit.freedesktop.org/drm/drm
F: Documentation/devicetree/bindings/display/
F: Documentation/devicetree/bindings/gpu/
M: Jan Luebbe <jlu@pengutronix.de>
L: linux-edac@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/memory-controllers/marvell,mvebu-sdram-controller.yaml
F: drivers/edac/armada_xp_*
EDAC-AST2500
F: drivers/media/usb/em28xx/
EMBEDDED LINUX
-M: Paul Gortmaker <paul.gortmaker@windriver.com>
M: Matt Mackall <mpm@selenic.com>
M: David Woodhouse <dwmw2@infradead.org>
L: linux-embedded@vger.kernel.org
S: Odd Fixes
F: drivers/net/ethernet/agere/
+ETAS ES58X CAN/USB DRIVER
+M: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
+L: linux-can@vger.kernel.org
+S: Maintained
+F: drivers/net/can/usb/etas_es58x/
+
ETHERNET BRIDGE
M: Roopa Prabhu <roopa@nvidia.com>
M: Nikolay Aleksandrov <nikolay@nvidia.com>
F: include/uapi/linux/mii.h
EXFAT FILE SYSTEM
-M: Namjae Jeon <namjae.jeon@samsung.com>
+M: Namjae Jeon <linkinjeon@kernel.org>
M: Sungjong Seo <sj1557.seo@samsung.com>
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: drivers/input/touchscreen/goodix.c
GOOGLE ETHERNET DRIVERS
-M: Catherine Sullivan <csully@google.com>
-R: Sagi Shahar <sagis@google.com>
-R: Jon Olson <jonolson@google.com>
+M: Jeroen de Borst <jeroendb@google.com>
+R: Catherine Sullivan <csully@google.com>
+R: David Awogbemila <awogbemila@google.com>
L: netdev@vger.kernel.org
S: Supported
F: Documentation/networking/device_drivers/ethernet/google/gve.rst
F: drivers/crypto/hisilicon/zip/
HISILICON ROCE DRIVER
-M: Lijun Ou <oulijun@huawei.com>
+M: Wenpeng Liang <liangwenpeng@huawei.com>
M: Weihang Li <liweihang@huawei.com>
L: linux-rdma@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/spmi/hisilicon,hisi-spmi-controller.yaml
F: drivers/spmi/hisi-spmi-controller.c
-HISILICON STAGING DRIVERS FOR HIKEY 960/970
+HISILICON SPMI PMIC DRIVER FOR HIKEY 6421v600
M: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
+L: linux-kernel@vger.kernel.org
S: Maintained
-F: drivers/staging/hikey9xx/
+F: Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
+F: drivers/mfd/hi6421-spmi-pmic.c
HISILICON TRUE RANDOM NUMBER GENERATOR V2 SUPPORT
M: Zaibo Xu <xuzaibo@huawei.com>
F: Documentation/ABI/stable/sysfs-bus-vmbus
F: Documentation/ABI/testing/debugfs-hyperv
F: Documentation/networking/device_drivers/ethernet/microsoft/netvsc.rst
+F: arch/arm64/hyperv
+F: arch/arm64/include/asm/hyperv-tlfs.h
+F: arch/arm64/include/asm/mshyperv.h
F: arch/x86/hyperv
F: arch/x86/include/asm/hyperv-tlfs.h
F: arch/x86/include/asm/mshyperv.h
IMGTEC ASCII LCD DRIVER
M: Paul Burton <paulburton@kernel.org>
S: Maintained
-F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt
+F: Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml
F: drivers/auxdisplay/img-ascii-lcd.c
IMGTEC IR DECODER DRIVER
M: Hans de Goede <hdegoede@redhat.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: drivers/platform/x86/intel_atomisp2_pm.c
+F: drivers/platform/x86/intel/atomisp2/pm.c
INTEL ATOMISP2 LED DRIVER
M: Hans de Goede <hdegoede@redhat.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: drivers/platform/x86/intel_atomisp2_led.c
+F: drivers/platform/x86/intel/atomisp2/led.c
+
+INTEL BIOS SAR INT1092 DRIVER
+M: Shravan S <s.shravan@intel.com>
+M: Intel Corporation <linuxwwan@intel.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/intel/int1092/
INTEL BROXTON PMC DRIVER
M: Mika Westerberg <mika.westerberg@linux.intel.com>
W: https://01.org/linuxgraphics/
Q: http://patchwork.freedesktop.org/project/intel-gfx/
B: https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs
-C: irc://chat.freenode.net/intel-gfx
+C: irc://irc.oftc.net/intel-gfx
T: git git://anongit.freedesktop.org/drm-intel
F: Documentation/gpu/i915.rst
F: drivers/gpu/drm/i915/
M: Alex Hung <alex.hung@canonical.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: drivers/platform/x86/intel-hid.c
+F: drivers/platform/x86/intel/hid.c
INTEL I/OAT DMA DRIVER
M: Dave Jiang <dave.jiang@intel.com>
INTEL MENLOW THERMAL DRIVER
M: Sujith Thomas <sujith.thomas@intel.com>
-L: platform-driver-x86@vger.kernel.org
+L: linux-pm@vger.kernel.org
S: Supported
W: https://01.org/linux-acpi
-F: drivers/platform/x86/intel_menlow.c
+F: drivers/thermal/intel/intel_menlow.c
INTEL P-Unit IPC DRIVER
M: Zha Qipeng <qipeng.zha@intel.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
F: arch/x86/include/asm/intel_punit_ipc.h
-F: drivers/platform/x86/intel_punit_ipc.c
+F: drivers/platform/x86/intel/punit_ipc.c
INTEL PMC CORE DRIVER
M: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
F: Documentation/ABI/testing/sysfs-platform-intel-pmc
-F: drivers/platform/x86/intel_pmc_core*
+F: drivers/platform/x86/intel/pmc/
INTEL PMIC GPIO DRIVERS
M: Andy Shevchenko <andy@kernel.org>
M: "David E. Box" <david.e.box@linux.intel.com>
S: Maintained
F: drivers/mfd/intel_pmt.c
-F: drivers/platform/x86/intel_pmt_*
+F: drivers/platform/x86/intel/pmt/
INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT
M: Stanislav Yakovlev <stas.yakovlev@gmail.com>
M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: drivers/platform/x86/intel_speed_select_if/
+F: drivers/platform/x86/intel/speed_select_if/
F: include/uapi/linux/isst_if.h
F: tools/power/x86/intel-speed-select/
L: platform-driver-x86@vger.kernel.org
S: Maintained
F: arch/x86/include/asm/intel_telemetry.h
-F: drivers/platform/x86/intel_telemetry*
+F: drivers/platform/x86/intel/telemetry/
INTEL UNCORE FREQUENCY CONTROL
M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: drivers/platform/x86/intel-uncore-frequency.c
+F: drivers/platform/x86/intel/uncore-frequency.c
INTEL VIRTUAL BUTTON DRIVER
M: AceLan Kao <acelan.kao@canonical.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: drivers/platform/x86/intel-vbtn.c
+F: drivers/platform/x86/intel/vbtn.c
INTEL WIRELESS 3945ABG/BG, 4965AGN (iwlegacy)
M: Stanislaw Gruszka <stf_xl@wp.pl>
R: Maurice Ma <maurice.ma@intel.com>
S: Maintained
W: https://slimbootloader.github.io/security/firmware-update.html
-F: drivers/platform/x86/intel-wmi-sbl-fw-update.c
+F: drivers/platform/x86/intel/wmi/sbl-fw-update.c
INTEL WMI THUNDERBOLT FORCE POWER DRIVER
L: Dell.Client.Kernel@dell.com
S: Maintained
-F: drivers/platform/x86/intel-wmi-thunderbolt.c
+F: drivers/platform/x86/intel/wmi/thunderbolt.c
INTEL WWAN IOSM DRIVER
M: M Chetan Kumar <m.chetan.kumar@intel.com>
S: Odd Fixes
F: drivers/tty/ipwireless/
-IPX NETWORK LAYER
-L: netdev@vger.kernel.org
-S: Obsolete
-F: include/uapi/linux/ipx.h
-
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
M: Marc Zyngier <maz@kernel.org>
S: Maintained
KERNEL BUILD + files below scripts/ (unless maintained elsewhere)
M: Masahiro Yamada <masahiroy@kernel.org>
M: Michal Marek <michal.lkml@markovi.net>
+R: Nick Desaulniers <ndesaulniers@google.com>
L: linux-kbuild@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
F: Documentation/dev-tools/kselftest*
F: tools/testing/selftests/
+KERNEL SMB3 SERVER (KSMBD)
+M: Namjae Jeon <linkinjeon@kernel.org>
+M: Sergey Senozhatsky <senozhatsky@chromium.org>
+M: Steve French <sfrench@samba.org>
+M: Hyunchul Lee <hyc.lee@gmail.com>
+L: linux-cifs@vger.kernel.org
+S: Maintained
+T: git git://git.samba.org/ksmbd.git
+F: fs/cifs_common/
+F: fs/ksmbd/
+
KERNEL UNIT TESTING FRAMEWORK (KUnit)
M: Brendan Higgins <brendanhiggins@google.com>
L: linux-kselftest@vger.kernel.org
F: net/core/sock_map.c
F: net/ipv4/tcp_bpf.c
F: net/ipv4/udp_bpf.c
+F: net/unix/unix_bpf.c
LANDLOCK SECURITY MODULE
M: Mickaël Salaün <mic@digikod.net>
F: scripts/spdxcheck-test.sh
F: scripts/spdxcheck.py
-LIGHTNVM PLATFORM SUPPORT
-M: Matias Bjorling <mb@lightnvm.io>
-L: linux-block@vger.kernel.org
-S: Maintained
-W: http://github/OpenChannelSSD
-F: drivers/lightnvm/
-F: include/linux/lightnvm.h
-F: include/uapi/linux/lightnvm.h
-
LINEAR RANGES HELPERS
M: Mark Brown <broonie@kernel.org>
R: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
F: include/linux/mailbox/arm_mhuv2_message.h
F: Documentation/devicetree/bindings/mailbox/arm,mhuv2.yaml
+MANAGEMENT COMPONENT TRANSPORT PROTOCOL (MCTP)
+M: Jeremy Kerr <jk@codeconstruct.com.au>
+M: Matt Johnston <matt@codeconstruct.com.au>
+L: netdev@vger.kernel.org
+S: Maintained
+F: Documentation/networking/mctp.rst
+F: drivers/net/mctp/
+F: include/net/mctp.h
+F: include/net/mctpdevice.h
+F: include/net/netns/mctp.h
+F: net/mctp/
+
MAN-PAGES: MANUAL PAGES FOR LINUX -- Sections 2, 3, 4, 5, and 7
M: Michael Kerrisk <mtk.manpages@gmail.com>
L: linux-man@vger.kernel.org
M: Rahul Bedarkar <rahulbedarkar89@gmail.com>
L: linux-mips@vger.kernel.org
S: Maintained
-F: arch/mips/boot/dts/img/pistachio_marduk.dts
+F: arch/mips/boot/dts/img/pistachio*
MARVELL 88E6XXX ETHERNET SWITCH FABRIC DRIVER
M: Andrew Lunn <andrew@lunn.ch>
T: git git://linuxtv.org/media_tree.git
F: drivers/media/radio/radio-maxiradio*
+MAXLINEAR ETHERNET PHY DRIVER
+M: Xu Liang <lxu@maxlinear.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/phy/mxl-gpy.c
+
+MCBA MICROCHIP CAN BUS ANALYZER TOOL DRIVER
+R: Yasushi SHOJI <yashi@spacecubics.com>
+L: linux-can@vger.kernel.org
+S: Maintained
+F: drivers/net/can/usb/mcba_usb.c
+
MCAN MMIO DEVICE DRIVER
M: Chandrasekar Ramakrishnan <rcsekar@samsung.com>
L: linux-can@vger.kernel.org
MEDIATEK SWITCH DRIVER
M: Sean Wang <sean.wang@mediatek.com>
M: Landen Chao <Landen.Chao@mediatek.com>
+M: DENG Qingfang <dqfext@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/dsa/mt7530.*
F: Documentation/filesystems/ntfs.rst
F: fs/ntfs/
+NTFS3 FILESYSTEM
+M: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
+L: ntfs3@lists.linux.dev
+S: Supported
+W: http://www.paragon-software.com/
+T: git https://github.com/Paragon-Software-Group/linux-ntfs3.git
+F: Documentation/filesystems/ntfs3.rst
+F: fs/ntfs3/
+
NUBUS SUBSYSTEM
M: Finn Thain <fthain@linux-m68k.org>
L: linux-m68k@lists.linux-m68k.org
F: Documentation/devicetree/bindings/media/i2c/ov8856.yaml
F: drivers/media/i2c/ov8856.c
+OMNIVISION OV9282 SENSOR DRIVER
+M: Paul J. Murphy <paul.j.murphy@intel.com>
+M: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+T: git git://linuxtv.org/media_tree.git
+F: Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml
+F: drivers/media/i2c/ov9282.c
+
OMNIVISION OV9640 SENSOR DRIVER
M: Petr Cvek <petrcvekcz@gmail.com>
L: linux-media@vger.kernel.org
F: arch/*/boot/dts/
F: include/dt-bindings/
+OPENCOMPUTE PTP CLOCK DRIVER
+M: Jonathan Lemon <jonathan.lemon@gmail.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/ptp/ptp_ocp.c
+
OPENCORES I2C BUS DRIVER
M: Peter Korsgaard <peter@korsgaard.com>
M: Andrew Lunn <andrew@lunn.ch>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
+F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
F: drivers/pci/controller/dwc/*imx6*
PCI DRIVER FOR FU740
M: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
L: linux-pci@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/pci/designware-pcie.txt
+F: Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
+F: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
F: drivers/pci/controller/dwc/*designware*
PCI DRIVER FOR TI DRA7XX/J721E
M: Binghui Wang <wangbinghui@hisilicon.com>
L: linux-pci@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/pci/kirin-pcie.txt
+F: Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
F: drivers/pci/controller/dwc/pcie-kirin.c
PCIE DRIVER FOR HISILICON STB
F: Documentation/devicetree/bindings/pci/hisilicon-histb-pcie.txt
F: drivers/pci/controller/dwc/pcie-histb.c
+PCIE DRIVER FOR INTEL LGM GW SOC
+M: Rahul Tanwar <rtanwar@maxlinear.com>
+L: linux-pci@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/pci/intel-gw-pcie.yaml
+F: drivers/pci/controller/dwc/pcie-intel-gw.c
+
PCIE DRIVER FOR MEDIATEK
M: Ryder Lee <ryder.lee@mediatek.com>
M: Jianjun Wang <jianjun.wang@mediatek.com>
F: drivers/pinctrl/
F: include/linux/pinctrl/
+PIN CONTROLLER - AMD
+M: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
+M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
+S: Maintained
+F: drivers/pinctrl/pinctrl-amd.c
+
PIN CONTROLLER - FREESCALE
M: Dong Aisheng <aisheng.dong@nxp.com>
M: Fabio Estevam <festevam@gmail.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git
F: drivers/pinctrl/intel/
+PIN CONTROLLER - KEEMBAY
+M: Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
+S: Supported
+F: drivers/pinctrl/pinctrl-keembay*
+
PIN CONTROLLER - MEDIATEK
M: Sean Wang <sean.wang@kernel.org>
L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt
-F: Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
+F: Documentation/devicetree/bindings/pinctrl/mediatek,mt65xx-pinctrl.yaml
+F: Documentation/devicetree/bindings/pinctrl/mediatek,mt6797-pinctrl.yaml
+F: Documentation/devicetree/bindings/pinctrl/mediatek,mt7622-pinctrl.yaml
+F: Documentation/devicetree/bindings/pinctrl/mediatek,mt8183-pinctrl.yaml
F: drivers/pinctrl/mediatek/
PIN CONTROLLER - MICROCHIP AT91
W: http://www.st.com/spear
F: drivers/pinctrl/spear/
-PISTACHIO SOC SUPPORT
-M: James Hartley <james.hartley@sondrel.com>
-L: linux-mips@vger.kernel.org
-S: Odd Fixes
-F: arch/mips/boot/dts/img/pistachio*
-F: arch/mips/configs/pistachio*_defconfig
-F: arch/mips/pistachio/
-
PKTCDVD DRIVER
M: linux-block@vger.kernel.org
S: Orphan
F: include/linux/printk.h
F: kernel/printk/
-PRISM54 WIRELESS DRIVER
-M: Luis Chamberlain <mcgrof@kernel.org>
-L: linux-wireless@vger.kernel.org
-S: Obsolete
-W: https://wireless.wiki.kernel.org/en/users/Drivers/p54
-F: drivers/net/wireless/intersil/prism54/
+PRINTK INDEXING
+R: Chris Down <chris@chrisdown.name>
+S: Maintained
+F: kernel/printk/index.c
PROC FILESYSTEM
L: linux-kernel@vger.kernel.org
F: drivers/ptp/*
F: include/linux/ptp_cl*
+PTP VIRTUAL CLOCK SUPPORT
+M: Yangbo Lu <yangbo.lu@nxp.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/ptp/ptp_vclock.c
+F: net/ethtool/phc_vclocks.c
+
PTRACE SUPPORT
M: Oleg Nesterov <oleg@redhat.com>
S: Maintained
L: amd-gfx@lists.freedesktop.org
S: Supported
T: git https://gitlab.freedesktop.org/agd5f/linux.git
+B: https://gitlab.freedesktop.org/drm/amd/-/issues
+C: irc://irc.oftc.net/radeon
F: drivers/gpu/drm/amd/
F: drivers/gpu/drm/radeon/
F: include/uapi/drm/amdgpu_drm.h
F: drivers/i2c/busses/i2c-emev2.c
RENESAS ETHERNET DRIVERS
-R: Sergei Shtylyov <sergei.shtylyov@gmail.com>
+R: Sergey Shtylyov <s.shtylyov@omp.ru>
L: netdev@vger.kernel.org
L: linux-renesas-soc@vger.kernel.org
F: Documentation/devicetree/bindings/net/renesas,*.yaml
S: Maintained
F: drivers/phy/renesas/phy-rcar-gen3-usb*.c
+RENESAS RZ/G2L A/D DRIVER
+M: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
+L: linux-iio@vger.kernel.org
+L: linux-renesas-soc@vger.kernel.org
+S: Supported
+F: Documentation/devicetree/bindings/iio/adc/renesas,rzg2l-adc.yaml
+F: drivers/iio/adc/rzg2l_adc.c
+
RESET CONTROLLER FRAMEWORK
M: Philipp Zabel <p.zabel@pengutronix.de>
S: Maintained
M: Łukasz Stelmach <l.stelmach@samsung.com>
L: linux-samsung-soc@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.txt
+F: Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml
F: drivers/char/hw_random/exynos-trng.c
SAMSUNG FRAMEBUFFER DRIVER
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk.git
F: Documentation/devicetree/bindings/clock/exynos*.txt
+F: Documentation/devicetree/bindings/clock/samsung,*.yaml
F: Documentation/devicetree/bindings/clock/samsung,s3c*
F: Documentation/devicetree/bindings/clock/samsung,s5p*
F: drivers/clk/samsung/
F: include/dt-bindings/clock/exynos*.h
+F: include/dt-bindings/clock/s3c*.h
+F: include/dt-bindings/clock/s5p*.h
+F: include/dt-bindings/clock/samsung,*.h
F: include/linux/clk/samsung.h
F: include/linux/platform_data/clk-s3c2410.h
F: drivers/phy/samsung/phy-samsung-usb2.c
F: drivers/phy/samsung/phy-samsung-usb2.h
+SANCLOUD BEAGLEBONE ENHANCED DEVICE TREE
+M: Paul Barker <paul.barker@sancloud.com>
+R: Marc Murphy <marc.murphy@sancloud.com>
+S: Supported
+F: arch/arm/boot/dts/am335x-sancloud*
+
SC1200 WDT DRIVER
M: Zwane Mwaikambo <zwanem@gmail.com>
S: Maintained
F: drivers/iio/chemical/scd30_i2c.c
F: drivers/iio/chemical/scd30_serial.c
+SENSIRION SGP40 GAS SENSOR DRIVER
+M: Andreas Klinger <ak@it-klinger.de>
+S: Maintained
+F: Documentation/ABI/testing/sysfs-bus-iio-chemical-sgp40
+F: drivers/iio/chemical/sgp40.c
+
SENSIRION SPS30 AIR POLLUTION SENSOR DRIVER
M: Tomasz Duszynski <tduszyns@gmail.com>
S: Maintained
F: Documentation/devicetree/bindings/media/i2c/sony,imx334.yaml
F: drivers/media/i2c/imx334.c
+SONY IMX335 SENSOR DRIVER
+M: Paul J. Murphy <paul.j.murphy@intel.com>
+M: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+T: git git://linuxtv.org/media_tree.git
+F: Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
+F: drivers/media/i2c/imx335.c
+
SONY IMX355 SENSOR DRIVER
M: Tianshu Qiu <tian.shu.qiu@intel.com>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
F: drivers/media/i2c/imx355.c
+SONY IMX412 SENSOR DRIVER
+M: Paul J. Murphy <paul.j.murphy@intel.com>
+M: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+T: git git://linuxtv.org/media_tree.git
+F: Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml
+F: drivers/media/i2c/imx412.c
+
SONY MEMORYSTICK SUBSYSTEM
M: Maxim Levitsky <maximlevitsky@gmail.com>
M: Alex Dubov <oakad@yahoo.com>
STAGING - REALTEK RTL8188EU DRIVERS
M: Larry Finger <Larry.Finger@lwfinger.net>
-S: Odd Fixes
-F: drivers/staging/rtl8188eu/
+M: Phillip Potter <phil@philpotter.co.uk>
+S: Supported
+F: drivers/staging/r8188eu/
STAGING - REALTEK RTL8712U DRIVERS
M: Larry Finger <Larry.Finger@lwfinger.net>
F: include/uapi/linux/sync_file.h
SYNOPSYS ARC ARCHITECTURE
-M: Vineet Gupta <vgupta@synopsys.com>
+M: Vineet Gupta <vgupta@kernel.org>
L: linux-snps-arc@lists.infradead.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git
F: drivers/reset/reset-scmi.c
F: include/linux/sc[mp]i_protocol.h
F: include/trace/events/scmi.h
+F: include/uapi/linux/virtio_scmi.h
SYSTEM RESET/SHUTDOWN DRIVERS
M: Sebastian Reichel <sre@kernel.org>
F: include/linux/mmiotrace.h
F: kernel/trace/trace_mmiotrace.c
+TRACING OS NOISE / LATENCY TRACERS
+M: Steven Rostedt <rostedt@goodmis.org>
+M: Daniel Bristot de Oliveira <bristot@kernel.org>
+S: Maintained
+F: kernel/trace/trace_osnoise.c
+F: include/trace/events/osnoise.h
+F: kernel/trace/trace_hwlat.c
+F: kernel/trace/trace_irqsoff.c
+F: kernel/trace/trace_sched_wakeup.c
+F: Documentation/trace/osnoise-tracer.rst
+F: Documentation/trace/timerlat-tracer.rst
+F: Documentation/trace/hwlat_detector.rst
+F: arch/*/kernel/trace.c
+
+TRADITIONAL CHINESE DOCUMENTATION
+M: Hu Haowen <src.res@email.cn>
+L: linux-doc-tw-discuss@lists.sourceforge.net
+S: Maintained
+W: https://github.com/srcres258/linux-doc
+T: git git://github.com/srcres258/linux-doc.git doc-zh-tw
+F: Documentation/translations/zh_TW/
+
TRIVIAL PATCHES
M: Jiri Kosina <trivial@kernel.org>
S: Maintained
F: scripts/unifdef.c
UNIFORM CDROM DRIVER
-M: Jens Axboe <axboe@kernel.dk>
+M: Phillip Potter <phil@philpotter.co.uk>
S: Maintained
-W: http://www.kernel.dk
F: Documentation/cdrom/
F: drivers/cdrom/cdrom.c
F: include/linux/cdrom.h
L: linux-usb@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/phy/hisilicon,hi3670-usb3.yaml
-F: drivers/phy/hisilicon/phy-kirin970-usb3.c
+F: drivers/phy/hisilicon/phy-hi3670-usb3.c
USB ISP116X DRIVER
M: Olav Kongas <ok@artecdesign.ee>
F: Documentation/driver-api/vfio.rst
F: drivers/vfio/
F: include/linux/vfio.h
+F: include/linux/vfio_pci_core.h
F: include/uapi/linux/vfio.h
VFIO FSL-MC DRIVER
F: fs/fuse/virtio_fs.c
F: include/uapi/linux/virtio_fs.h
+ VIRTIO GPIO DRIVER
+ M: Enrico Weigelt, metux IT consult <info@metux.net>
+ M: Viresh Kumar <vireshk@kernel.org>
+ L: linux-gpio@vger.kernel.org
+ L: virtualization@lists.linux-foundation.org
+ S: Maintained
+ F: drivers/gpio/gpio-virtio.c
+ F: include/uapi/linux/virtio_gpio.h
+
VIRTIO GPU DRIVER
M: David Airlie <airlied@linux.ie>
M: Gerd Hoffmann <kraxel@redhat.com>
F: include/uapi/linux/virtio_snd.h
F: sound/virtio/*
+VIRTIO I2C DRIVER
+M: Jie Deng <jie.deng@intel.com>
+M: Viresh Kumar <viresh.kumar@linaro.org>
+L: linux-i2c@vger.kernel.org
+L: virtualization@lists.linux-foundation.org
+S: Maintained
+F: drivers/i2c/busses/i2c-virtio.c
+F: include/uapi/linux/virtio_i2c.h
+
VIRTUAL BOX GUEST DEVICE DRIVER
M: Hans de Goede <hdegoede@redhat.com>
M: Arnd Bergmann <arnd@arndb.de>
S: Supported
F: drivers/ptp/ptp_vmw.c
+VMWARE VMCI DRIVER
+M: Jorgen Hansen <jhansen@vmware.com>
+M: Vishnu Dasa <vdasa@vmware.com>
+L: linux-kernel@vger.kernel.org
+L: pv-drivers@vmware.com (private)
+S: Maintained
+F: drivers/misc/vmw_vmci/
+
VMWARE VMMOUSE SUBDRIVER
M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
M: "VMware, Inc." <pv-drivers@vmware.com>
F: Documentation/devicetree/bindings/mfd/wlf,arizona.yaml
F: Documentation/devicetree/bindings/mfd/wm831x.txt
F: Documentation/devicetree/bindings/regulator/wlf,arizona.yaml
-F: Documentation/devicetree/bindings/sound/wlf,arizona.yaml
+F: Documentation/devicetree/bindings/sound/wlf,*.yaml
+F: Documentation/devicetree/bindings/sound/wm*
F: Documentation/hwmon/wm83??.rst
F: arch/arm/mach-s3c/mach-crag6410*
F: drivers/clk/clk-wm83*.c
R: Michal Simek <michal.simek@xilinx.com>
S: Maintained
F: Documentation/devicetree/bindings/gpio/gpio-xilinx.txt
- F: Documentation/devicetree/bindings/gpio/gpio-zynq.txt
+ F: Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
F: drivers/gpio/gpio-xilinx.c
F: drivers/gpio/gpio-zynq.c
#include <linux/spinlock.h>
#include <linux/string.h>
- /*
- * MAX_NR_HW_GPIO represents the number of actual hardware-supported GPIOs (ie,
- * slots within the clocked serial GPIO data). Since each HW GPIO is both an
- * input and an output, we provide MAX_NR_HW_GPIO * 2 lines on our gpiochip
- * device.
- *
- * We use SGPIO_OUTPUT_OFFSET to define the split between the inputs and
- * outputs; the inputs start at line 0, the outputs start at OUTPUT_OFFSET.
- */
- #define MAX_NR_HW_SGPIO 80
- #define SGPIO_OUTPUT_OFFSET MAX_NR_HW_SGPIO
-
#define ASPEED_SGPIO_CTRL 0x54
- #define ASPEED_SGPIO_PINS_MASK GENMASK(9, 6)
#define ASPEED_SGPIO_CLK_DIV_MASK GENMASK(31, 16)
#define ASPEED_SGPIO_ENABLE BIT(0)
+ #define ASPEED_SGPIO_PINS_SHIFT 6
+
+ struct aspeed_sgpio_pdata {
+ const u32 pin_mask;
+ };
struct aspeed_sgpio {
struct gpio_chip chip;
+ struct irq_chip intc;
struct clk *pclk;
spinlock_t lock;
void __iomem *base;
int irq;
- int n_sgpio;
};
struct aspeed_sgpio_bank {
- uint16_t val_regs;
- uint16_t rdata_reg;
- uint16_t irq_regs;
+ u16 val_regs;
+ u16 rdata_reg;
+ u16 irq_regs;
+ u16 tolerance_regs;
const char names[4][3];
};
.val_regs = 0x0000,
.rdata_reg = 0x0070,
.irq_regs = 0x0004,
+ .tolerance_regs = 0x0018,
.names = { "A", "B", "C", "D" },
},
{
.val_regs = 0x001C,
.rdata_reg = 0x0074,
.irq_regs = 0x0020,
+ .tolerance_regs = 0x0034,
.names = { "E", "F", "G", "H" },
},
{
.val_regs = 0x0038,
.rdata_reg = 0x0078,
.irq_regs = 0x003C,
- .names = { "I", "J" },
+ .tolerance_regs = 0x0050,
+ .names = { "I", "J", "K", "L" },
+ },
+ {
+ .val_regs = 0x0090,
+ .rdata_reg = 0x007C,
+ .irq_regs = 0x0094,
+ .tolerance_regs = 0x00A8,
+ .names = { "M", "N", "O", "P" },
},
};
reg_irq_type1,
reg_irq_type2,
reg_irq_status,
+ reg_tolerance,
};
#define GPIO_VAL_VALUE 0x00
return gpio->base + bank->irq_regs + GPIO_IRQ_TYPE2;
case reg_irq_status:
return gpio->base + bank->irq_regs + GPIO_IRQ_STATUS;
+ case reg_tolerance:
+ return gpio->base + bank->tolerance_regs;
default:
/* acturally if code runs to here, it's an error case */
BUG();
}
}
- #define GPIO_BANK(x) ((x % SGPIO_OUTPUT_OFFSET) >> 5)
- #define GPIO_OFFSET(x) ((x % SGPIO_OUTPUT_OFFSET) & 0x1f)
- #define GPIO_BIT(x) BIT(GPIO_OFFSET(x))
+ #define GPIO_BANK(x) ((x) >> 6)
+ #define GPIO_OFFSET(x) ((x) & GENMASK(5, 0))
+ #define GPIO_BIT(x) BIT(GPIO_OFFSET(x) >> 1)
static const struct aspeed_sgpio_bank *to_bank(unsigned int offset)
{
static int aspeed_sgpio_init_valid_mask(struct gpio_chip *gc,
unsigned long *valid_mask, unsigned int ngpios)
{
- struct aspeed_sgpio *sgpio = gpiochip_get_data(gc);
- int n = sgpio->n_sgpio;
- int c = SGPIO_OUTPUT_OFFSET - n;
-
- WARN_ON(ngpios < MAX_NR_HW_SGPIO * 2);
-
- /* input GPIOs in the lower range */
- bitmap_set(valid_mask, 0, n);
- bitmap_clear(valid_mask, n, c);
-
- /* output GPIOS above SGPIO_OUTPUT_OFFSET */
- bitmap_set(valid_mask, SGPIO_OUTPUT_OFFSET, n);
- bitmap_clear(valid_mask, SGPIO_OUTPUT_OFFSET + n, c);
-
+ bitmap_set(valid_mask, 0, ngpios);
return 0;
}
static void aspeed_sgpio_irq_init_valid_mask(struct gpio_chip *gc,
unsigned long *valid_mask, unsigned int ngpios)
{
- struct aspeed_sgpio *sgpio = gpiochip_get_data(gc);
- int n = sgpio->n_sgpio;
+ unsigned int i;
- WARN_ON(ngpios < MAX_NR_HW_SGPIO * 2);
-
- /* input GPIOs in the lower range */
- bitmap_set(valid_mask, 0, n);
- bitmap_clear(valid_mask, n, ngpios - n);
+ /* input GPIOs are even bits */
+ for (i = 0; i < ngpios; i++) {
+ if (i % 2)
+ clear_bit(i, valid_mask);
+ }
}
static bool aspeed_sgpio_is_input(unsigned int offset)
{
- return offset < SGPIO_OUTPUT_OFFSET;
+ return !(offset % 2);
}
static int aspeed_sgpio_get(struct gpio_chip *gc, unsigned int offset)
struct gpio_chip *gc = irq_desc_get_handler_data(desc);
struct irq_chip *ic = irq_desc_get_chip(desc);
struct aspeed_sgpio *data = gpiochip_get_data(gc);
- unsigned int i, p, girq;
+ unsigned int i, p;
unsigned long reg;
chained_irq_enter(ic, desc);
reg = ioread32(bank_reg(data, bank, reg_irq_status));
- for_each_set_bit(p, ®, 32) {
- girq = irq_find_mapping(gc->irq.domain, i * 32 + p);
- generic_handle_irq(girq);
- }
-
+ for_each_set_bit(p, ®, 32)
+ generic_handle_domain_irq(gc->irq.domain, i * 32 + p);
}
chained_irq_exit(ic, desc);
}
- static struct irq_chip aspeed_sgpio_irqchip = {
- .name = "aspeed-sgpio",
- .irq_ack = aspeed_sgpio_irq_ack,
- .irq_mask = aspeed_sgpio_irq_mask,
- .irq_unmask = aspeed_sgpio_irq_unmask,
- .irq_set_type = aspeed_sgpio_set_type,
- };
-
static int aspeed_sgpio_setup_irqs(struct aspeed_sgpio *gpio,
struct platform_device *pdev)
{
iowrite32(0xffffffff, bank_reg(gpio, bank, reg_irq_status));
}
+ gpio->intc.name = dev_name(&pdev->dev);
+ gpio->intc.irq_ack = aspeed_sgpio_irq_ack;
+ gpio->intc.irq_mask = aspeed_sgpio_irq_mask;
+ gpio->intc.irq_unmask = aspeed_sgpio_irq_unmask;
+ gpio->intc.irq_set_type = aspeed_sgpio_set_type;
+
irq = &gpio->chip.irq;
- irq->chip = &aspeed_sgpio_irqchip;
+ irq->chip = &gpio->intc;
irq->init_valid_mask = aspeed_sgpio_irq_init_valid_mask;
irq->handler = handle_bad_irq;
irq->default_type = IRQ_TYPE_NONE;
return 0;
}
+ static const struct aspeed_sgpio_pdata ast2400_sgpio_pdata = {
+ .pin_mask = GENMASK(9, 6),
+ };
+
+ static int aspeed_sgpio_reset_tolerance(struct gpio_chip *chip,
+ unsigned int offset, bool enable)
+ {
+ struct aspeed_sgpio *gpio = gpiochip_get_data(chip);
+ unsigned long flags;
+ void __iomem *reg;
+ u32 val;
+
+ reg = bank_reg(gpio, to_bank(offset), reg_tolerance);
+
+ spin_lock_irqsave(&gpio->lock, flags);
+
+ val = readl(reg);
+
+ if (enable)
+ val |= GPIO_BIT(offset);
+ else
+ val &= ~GPIO_BIT(offset);
+
+ writel(val, reg);
+
+ spin_unlock_irqrestore(&gpio->lock, flags);
+
+ return 0;
+ }
+
+ static int aspeed_sgpio_set_config(struct gpio_chip *chip, unsigned int offset,
+ unsigned long config)
+ {
+ unsigned long param = pinconf_to_config_param(config);
+ u32 arg = pinconf_to_config_argument(config);
+
+ if (param == PIN_CONFIG_PERSIST_STATE)
+ return aspeed_sgpio_reset_tolerance(chip, offset, arg);
+
+ return -ENOTSUPP;
+ }
+
+ static const struct aspeed_sgpio_pdata ast2600_sgpiom_pdata = {
+ .pin_mask = GENMASK(10, 6),
+ };
+
static const struct of_device_id aspeed_sgpio_of_table[] = {
- { .compatible = "aspeed,ast2400-sgpio" },
- { .compatible = "aspeed,ast2500-sgpio" },
+ { .compatible = "aspeed,ast2400-sgpio", .data = &ast2400_sgpio_pdata, },
+ { .compatible = "aspeed,ast2500-sgpio", .data = &ast2400_sgpio_pdata, },
+ { .compatible = "aspeed,ast2600-sgpiom", .data = &ast2600_sgpiom_pdata, },
{}
};
static int __init aspeed_sgpio_probe(struct platform_device *pdev)
{
+ u32 nr_gpios, sgpio_freq, sgpio_clk_div, gpio_cnt_regval, pin_mask;
+ const struct aspeed_sgpio_pdata *pdata;
struct aspeed_sgpio *gpio;
- u32 nr_gpios, sgpio_freq, sgpio_clk_div;
- int rc;
unsigned long apb_freq;
+ int rc;
gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);
if (!gpio)
if (IS_ERR(gpio->base))
return PTR_ERR(gpio->base);
- rc = of_property_read_u32(pdev->dev.of_node, "ngpios", &nr_gpios);
+ pdata = device_get_match_data(&pdev->dev);
+ if (!pdata)
+ return -EINVAL;
+
+ pin_mask = pdata->pin_mask;
+
+ rc = device_property_read_u32(&pdev->dev, "ngpios", &nr_gpios);
if (rc < 0) {
dev_err(&pdev->dev, "Could not read ngpios property\n");
return -EINVAL;
- } else if (nr_gpios > MAX_NR_HW_SGPIO) {
- dev_err(&pdev->dev, "Number of GPIOs exceeds the maximum of %d: %d\n",
- MAX_NR_HW_SGPIO, nr_gpios);
+ } else if (nr_gpios % 8) {
+ dev_err(&pdev->dev, "Number of GPIOs not multiple of 8: %d\n",
+ nr_gpios);
return -EINVAL;
}
- gpio->n_sgpio = nr_gpios;
- rc = of_property_read_u32(pdev->dev.of_node, "bus-frequency", &sgpio_freq);
+ rc = device_property_read_u32(&pdev->dev, "bus-frequency", &sgpio_freq);
if (rc < 0) {
dev_err(&pdev->dev, "Could not read bus-frequency property\n");
return -EINVAL;
if (sgpio_clk_div > (1 << 16) - 1)
return -EINVAL;
- iowrite32(FIELD_PREP(ASPEED_SGPIO_CLK_DIV_MASK, sgpio_clk_div) |
- FIELD_PREP(ASPEED_SGPIO_PINS_MASK, (nr_gpios / 8)) |
- ASPEED_SGPIO_ENABLE,
- gpio->base + ASPEED_SGPIO_CTRL);
+ gpio_cnt_regval = ((nr_gpios / 8) << ASPEED_SGPIO_PINS_SHIFT) & pin_mask;
+ iowrite32(FIELD_PREP(ASPEED_SGPIO_CLK_DIV_MASK, sgpio_clk_div) | gpio_cnt_regval |
+ ASPEED_SGPIO_ENABLE, gpio->base + ASPEED_SGPIO_CTRL);
spin_lock_init(&gpio->lock);
gpio->chip.parent = &pdev->dev;
- gpio->chip.ngpio = MAX_NR_HW_SGPIO * 2;
+ gpio->chip.ngpio = nr_gpios * 2;
gpio->chip.init_valid_mask = aspeed_sgpio_init_valid_mask;
gpio->chip.direction_input = aspeed_sgpio_dir_in;
gpio->chip.direction_output = aspeed_sgpio_dir_out;
gpio->chip.free = NULL;
gpio->chip.get = aspeed_sgpio_get;
gpio->chip.set = aspeed_sgpio_set;
- gpio->chip.set_config = NULL;
+ gpio->chip.set_config = aspeed_sgpio_set_config;
gpio->chip.label = dev_name(&pdev->dev);
gpio->chip.base = -1;
projects / platform / kernel / linux-starfive.git / commitdiff