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+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+Driver implementer's API guide
+==============================
+
+The kernel offers a wide variety of interfaces to support the development
+of device drivers.  This document is an only somewhat organized collection
+of some of those interfaces — it will hopefully get better over time!  The
+available subsections can be seen below.
+
+.. class:: toc-title
+
+	   Table of contents
+
+.. toctree::
+   :maxdepth: 2
+
+   driver-model/index
+   basics
+   infrastructure
+   ioctl
+   early-userspace/index
+   pm/index
+   clk
+   device-io
+   dma-buf
+   device_link
+   component
+   message-based
+   infiniband
+   aperture
+   frame-buffer
+   regulator
+   reset
+   iio/index
+   input
+   usb/index
+   firewire
+   pci/index
+   cxl/index
+   spi
+   i2c
+   ipmb
+   ipmi
+   i3c/index
+   interconnect
+   devfreq
+   hsi
+   edac
+   scsi
+   libata
+   target
+   mailbox
+   mtdnand
+   miscellaneous
+   mei/index
+   mtd/index
+   mmc/index
+   nvdimm/index
+   w1
+   rapidio/index
+   s390-drivers
+   vme
+   80211/index
+   uio-howto
+   firmware/index
+   pin-control
+   gpio/index
+   md/index
+   media/index
+   misc_devices
+   nfc/index
+   dmaengine/index
+   slimbus
+   soundwire/index
+   thermal/index
+   fpga/index
+   acpi/index
+   auxiliary_bus
+   backlight/lp855x-driver.rst
+   connector
+   console
+   dcdbas
+   eisa
+   isa
+   isapnp
+   io-mapping
+   io_ordering
+   generic-counter
+   memory-devices/index
+   men-chameleon-bus
+   ntb
+   nvmem
+   parport-lowlevel
+   pps
+   ptp
+   phy/index
+   pwm
+   pldmfw/index
+   rfkill
+   serial/index
+   sm501
+   surface_aggregator/index
+   switchtec
+   sync_file
+   tty/index
+   vfio-mediated-device
+   vfio
+   vfio-pci-device-specific-driver-acceptance
+   virtio/index
+   xilinx/index
+   xillybus
+   zorro
+   hte/index
+   wmi
+
+.. only::  subproject and html
+
+   Indices
+   =======
+
+   * :ref:`genindex`