https://pinout.xyz/
Raspberry Pi GPIO Pinout
raspberry pigpiopinout
https://randomnerdtutorials.com/esp32-pinout-reference-gpios/
ESP32 Pinout Reference: Which GPIO pins should you use? | Random Nerd Tutorials
Nov 13, 2025 - The ESP32 comes with 48 GPIOs with multiple functions. This article intends to be a simple and easy to follow reference guide for the ESP32 GPIOs.
gpio pins
https://ez.analog.com/dsp/software-and-development-tools/linux-blackfin/linux-forum-archive/w/documents/11469/2009-03-17-02-57-38-sccb-i2c-driver-on-gpio-not-working
2009-03-17 02:57:38 SCCB(I2C) driver on GPIO not working - Documents - Linux Forum Archive -...
2009-03-17 02:57:38 SCCB(I2C) driver on GPIO not working andy (UNITED STATES) Message: 71072 I had emulated SCCB (I2C) interface to a camera module on gpio
https://lkml.indiana.edu/hypermail/linux/kernel/1001.1/00030.html
Linux-Kernel Archive: Re: [PATCH] gpiolib: add gpio_lookup_chip() to get chip information for gpio
https://lkml.indiana.edu/1109.0/00516.html
Linux-Kernel Archive: Re: [PATCH V3 1/5] i2c: Add irq_gpio field to struct...
https://lkml.rescloud.iu.edu/2505.2/00325.html
Linux-Kernel Archive: Re: linux-next: build failure after merge of the gpio-intel tree
https://lkml.indiana.edu/1609.2/01684.html
Linux-Kernel Archive: Re: [PATCH v2 0/4] gpio: fix an incorrect lockdep warning
https://www.instructables.com/Use-GPIO-Ports-on-Raspberry-Pi-Without-Technical-K/
Use GPIO Ports on Raspberry Pi Without Technical Knowledge Using NodeRED : 8 Steps - Instructables
Use GPIO Ports on Raspberry Pi Without Technical Knowledge Using NodeRED: The General Purpose Input/Output pins allow you to control and interact with the real...
https://www.jotform.com/form-templates/gpio-permission-issue-report-form
GPIO Permission Issue Report Form Template | Jotform
GPIO Permission Issue Report Form helps teams collect consistent data collection for GPIO access permission problems so IT, QA, and engineering can triage...
issue reportform templategpiopermissionjotform
https://manpages.ubuntu.com/manpages/questing/man4/cp2112.4freebsd.html
Ubuntu Manpage: cp2112 - driver for a USB GPIO and I2C peripheral device
driver for a USB GPIO and I2C peripheral device
for a
https://lkml.iu.edu/1604.3/05800.html
Linux-Kernel Archive: Re: [RFC v5 3/4] gpio: move clps711x, moxart, ts4800 and gpio-ge into...
https://lkml.indiana.edu/1501.1/04865.html
Linux-Kernel Archive: Re: [RFC PATCH] gpio: support for GPIO forwarding
linux kernelsupport forarchiverfcpatch
https://wiki.st.com/stm32mpu/wiki/How_to_control_a_GPIO_in_userspace
How to control a GPIO in userspace - stm32mpu
how to controlgpiouserspace
https://docs.kernel.org/admin-guide/gpio/index.html
GPIO — The Linux Kernel documentation
the linux kernelgpiodocumentation
https://lkml.indiana.edu/hypermail/linux/kernel/2206.2/03561.html
Linux-Kernel Archive: Re: [PATCH v6 0/4] add driver for the WCH CH341 in I2C/GPIO mode
https://lkml.indiana.edu/2011.2/04716.html
Linux-Kernel Archive: [PATCH] mdio_bus: suppress err message for reset gpio EPROBE_DEFER
https://ez.analog.com/dsp/software-and-development-tools/linux-blackfin/linux-bug-archive/w/documents/7178/6197-can-t-regonize-lcd-device-in-i2c-lcd-driver-testing-over-gpio-2010
[#6197] can't regonize lcd device in i2c lcd driver testing over GPIO(2010) - Documents - Linux Bug...
[#6197] can't regonize lcd device in i2c lcd driver testing over GPIO Submitted By: angelia wu Open Date 2010-08-20 00:21:51 Close Date 2010-08-30 01:44
https://docs.amd.com/r/en-US/ug1087-zynq-ultrascale-registers/INT_MASK_1-GPIO-Register
INT_MASK_1 (GPIO) Register - INT_MASK_1 (GPIO) Register - UG1087
INT_MASK_1 (GPIO) Register Description Register Name INT_MASK_1 Offset Address 0x000000024C Absolute Address 0x00FF0A024C (GPIO) Width 32 Type mixedMixed...
intmaskgpioregister
https://faboplatform.github.io/ArduinoDocs/03.I2C%20Brick/210_brick_i2c_gpio/
#210 GPIO I2C Brick - FaBo Arduino Docs
gpiobrickfaboarduinodocs
https://lkml.iu.edu/hypermail/linux/kernel/1811.2/03571.html
Linux-Kernel Archive: [PATCH v2 2/2] gpio: add driver for SAMA5D2 PIOBU pins
https://lkml.iu.edu/1604.3/05451.html
Linux-Kernel Archive: Re: [RFC v5 4/4] gpio: dt-bindings: add gpio-mmio bindings
linux kernel
https://lkml.iu.edu/1812.1/02243.html
Linux-Kernel Archive: Re: [PATCH] regmap: regmap-irq/gpio-max77620: add level-irq support
linux kernel
https://lists.fedoraproject.org/archives/list/kernel@lists.fedoraproject.org/message/TIBULHJR6O66FCHXVBZHVIRF3FTRIM7O/
[OS-BUILD PATCH] [redhat] New configs in drivers/gpio - kernel - Fedora mailing-lists
https://lkml.iu.edu/hypermail/linux/kernel/2107.3/03045.html
Linux-Kernel Archive: [PATCH v4 2/4] pinctrl: renesas: Add RZ/G2L pin and gpio controller driver
https://youngkin.github.io/post/createafreeblogsite/
Create a Free Blog Site Using GitHub Pages and Hugo-Raspberry Pi GPIO Programming and Software...
How I used GitHub Pages and Hugo to create this blog site
create a free blog
https://it.mathworks.com/help/ecoder/infineonaurixtc3x/ref/digitalportwrite.html
Digital Port Write - Set GPIO pin(s) status - Simulink
Write logical status of pins of a GPIO port for the Infineon AURIX TC3x Microcontrollers.
digitalportwritesetgpio
https://lkml.iu.edu/hypermail/linux/kernel/2202.0/03871.html
Linux-Kernel Archive: Re: [PATCH] arm64: dts: meson-sm1-bananapi-m5: fix wrong GPIO domain for...
https://de.mathworks.com/help/ecoder/infineonaurix/ref/digitalportread.html
Digital Port Read - Read GPIO pin(s) status - Simulink
Read the logical status of a GPIO port pin for the Infineon AURIX TC4x Microcontrollers.
digitalportreadgpiopin
https://uk.mathworks.com/help/coder/nvidia/ref/jetson.configurepin.html
configurePin - Configure GPIO pin as digital input or digital output - MATLAB
This MATLAB function configures the GPIO pinNumber pin of the Jetson board as a digital input or digital output depending on the specified mode.
as digitalconfiguregpiopininput
https://se.mathworks.com/help/matlab/supportpkg/troubleshoot-beaglebone-black-gpio-pins.html
Troubleshoot BeagleBone Black GPIO Pins - MATLAB & Simulink
Troubleshoot GPIO pins on BeagleBone Black hardware.
beaglebone blackgpio pinstroubleshootmatlabsimulink
https://lkml.indiana.edu/1605.3/04292.html
Linux-Kernel Archive: Re: [PATCH] gpio: remove redundant owner assignments of drivers
linux kernel
https://de.mathworks.com/help/ecoder/beaglebone/ref/gpioread.html
GPIO Read - Read logical value of GPIO pin configured as input - Simulink
gpioreadlogicalvaluepin
https://lkml.indiana.edu/2302.0/03743.html
Linux-Kernel Archive: [PATCH 4/5] dt-bindings: pinctrl: qcom,sc8280xp-lpass-lpi: correct gpio-ranges
https://lkml.iu.edu/hypermail/linux/kernel/1710.3/00969.html
Linux-Kernel Archive: [PATCH v2 4/7] gpio: brcmstb: switch to handle_level_irq flow
https://lists.fedoraproject.org/archives/list/kernel@lists.fedoraproject.org/thread/TIBULHJR6O66FCHXVBZHVIRF3FTRIM7O/?sort=date
[OS-BUILD PATCH] [redhat] New configs in drivers/gpio - kernel - Fedora mailing-lists
https://rf24.readthedocs.io/en/latest/group__Porting__GPIO.html
Optimized high speed nRF24L01+ driver class documentation: Porting: GPIO
high speedclass documentationoptimizeddriverporting
https://lkml.indiana.edu/1609.2/01084.html
Linux-Kernel Archive: drivers/gpio/gpiolib.c:3215: undefined reference to `of_get_named_gpiod_flags'
https://solidrun.atlassian.net/wiki/spaces/developer/pages/266698788/GPIO+Pins+Control+-+HummingBoard+Ripple+Pulse+i.MX8M+Mini+SOM
GPIO Pins Control - HummingBoard Ripple/Pulse & i.MX8M Mini SOM - Developer Center - SolidRun
https://pkg.go.dev/gitee.com/lhjw9810/gpio
gpio package - gitee.com/lhjw9810/gpio - Go Packages
Package gpio provides GPIO access on the Raspberry Pi (rev 2 and later).
gpiopackagegiteego
https://lkml.iu.edu/hypermail/linux/kernel/1412.1/00457.html
Linux-Kernel Archive: Re: [PATCH v2 1/5] gpio: Cygnus: define Broadcom Cygnus GPIO binding
https://uk.mathworks.com/help/stm32b/ref/digitalportread.html
Digital Port Read - Read GPIO pin status - Simulink
Read the logical status of a GPIO port pins for STM32 processors.
digitalportreadgpiopin
https://docs.amd.com/r/en-US/pg047-gig-eth-pcs-pma/GPIO-SGMII-TOP
GPIO SGMII TOP - GPIO SGMII TOP - 17.0 English - PG047
This module is a hierarchical top including the eye monitor, PHY calibration modules, and the SGMII PHY IOB functionality. See LVDS Transceiver for 7 Series...
gpiotopenglish
https://lkml.iu.edu/hypermail/linux/kernel/2302.2/00283.html
Linux-Kernel Archive: [PATCH 13/17] gpio: max732x: Convert to immutable irq_chip
https://www.adafruit.com/product/4823
40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi [150mm / 6 long] : Adafruit Industries,...
That new Raspberry Pi 500 computer you just got has a row of 2x20 pin headers on the right side - those are the GPIO (general purpose input/output) pins, and...
https://lists.freebsd.org/archives/freebsd-bugs/2025-September/030067.html
[Bug 289120] A time-of-check to time-of-use race exists in gpioc_kqread() of GPIO subsystem
https://lwn.net/Articles/732443/
cec-gpio: add HDMI CEC GPIO-based driver [LWN.net]
cecgpioaddhdmibased
https://lkml.indiana.edu/1609.2/06114.html
Linux-Kernel Archive: drivers/gpio/gpiolib.c:3215: undefined reference to `of_get_named_gpiod_flags'
https://ez.analog.com/dsp/software-and-development-tools/linux-blackfin/linux-bug-archive/w/documents/7995/4661-gpio-keys-no-longer-works-in-trunk
[#4661] gpio-keys no longer works in trunk - Documents - Linux Bug Archive - EngineerZone
[#4661] gpio-keys no longer works in trunk Submitted By: Mike Frysinger Open Date 2008-11-20 21:01:37 Close Date 2008-11-21 11:06:37 Priority: Medium
https://lkml.indiana.edu/2302.3/02974.html
Linux-Kernel Archive: [PATCH v2 5/6] gpio: pci-idio-16: Migrate to the regmap API
https://industrialpc.en.made-in-china.com/product/SAHpqEKPHuhM/China-Industrial-Mini-PC-Computer-J1900-6-COM-RS485-RS232-Gpio-Dual-LAN-HD-VGA-Fanless-Mini-PCS.html
Industrial Mini PC Computer J1900 6 COM RS485 RS232 Gpio Dual LAN HD VGA Fanless Mini PCS -...
Industrial Mini PC Computer J1900 6 COM RS485 RS232 Gpio Dual LAN HD VGA Fanless Mini PCS, Find Details and Price about Industrial PC Mini PC from Industrial...
https://forums.developer.nvidia.com/t/txb0108-with-100k-pull-up-causing-gpio-always-low-on-jetson-orin-nx/363121
TXB0108 with 100k Pull-up Causing GPIO Always LOW on Jetson Orin NX - Jetson Orin NX - NVIDIA...
Mar 11, 2026 - Hi, I am currently working with a custom carrier board using a Jetson Orin NX and I am trying to use UART1_CTS (PR.05 / Pin 36 on the 40-pin header) as a GPIO...
https://lkml.indiana.edu/1112.0/01460.html
Linux-Kernel Archive: [PATCH] Input: zylonite-wm97xx - replace IRQ_GPIO() withgpio_to_irq()
linux kernel
https://lkml.indiana.edu/hypermail/linux/kernel/1001.1/00056.html
Linux-Kernel Archive: Re: 2.6.33-rc3 regression: leds_alix2: can't allocate I/O for GPIO
https://lkml.indiana.edu/1609.2/02613.html
Linux-Kernel Archive: [PATCH] gpio: Added zynq specific check for special pins on bank zero
https://lwn.net/Articles/857361/
gpio: gpio-regmap: Support few custom operations [LWN.net]
gpiosupportcustomoperationslwn
https://lkml.indiana.edu/0806.2/1150.html
Linux-Kernel Archive: [patch 2.6.26-rc6-mm] gpio: mcp23s08 handles multiple chips per chipselect
https://discussions.unity.com/t/unity-gpio-pins-for-raspberry-pi-button-mapping/1549900
Unity Gpio Pins for Raspberry Pi Button Mapping - News & General Discussion - Unity Discussions
Nov 8, 2024 - Hi, I am currently working on a custom handheld game console using a raspberry pi 4B and I am now at the stage where I need to map the buttons to my pi using...
for raspberry pigpio pins
https://lkml.iu.edu/2209.0/03128.html
Linux-Kernel Archive: [PATCH v1 07/17] pinctrl: cy8c95x0: Enable GPIO range
linux kernel
https://lkml.iu.edu/1606.2/00772.html
Linux-Kernel Archive: [PATCH v2] gpio: add Intel WhiskeyCove GPIO driver
linux kernelarchivepatchgpioadd
https://lkml.iu.edu/hypermail/linux/kernel/1907.2/04610.html
Linux-Kernel Archive: [PATCH 2/2] [PATCH] gpio: Explicitly cast from __be16 to unsigned short
https://lkml.iu.edu/hypermail/linux/kernel/2106.0/04666.html
Linux-Kernel Archive: [PATCH] gpio: regmap: move drvdata to config data
linux kernelarchivepatchgpio
https://lkml.indiana.edu/hypermail/linux/kernel/1004.3/01911.html
Linux-Kernel Archive: Re: [PATCH 3/4] of/gpio: Implement GPIOLIB notifier hooks
https://lkml.iu.edu/hypermail/linux/kernel/2106.0/02434.html
Linux-Kernel Archive: Re: [PATCH v3 2/2] dt-bindings: gpio: gpio-davinci: Convert to json-schema
https://wiki.st.com/stm32mpu/wiki/How_to_control_a_GPIO_in_kernel_space
How to control a GPIO in kernel space - stm32mpu
how to controlgpiokernelspace
https://lkml.indiana.edu/2211.0/08225.html
Linux-Kernel Archive: [PATCH RFC 2/5] pinctrl: renesas: rzg2l: Fix configuring the GPIO pins as...
https://captainbodgit.blogspot.com/2013/11/raspberrypi-gpio-using-gambas.html
Captain Bodgit: RaspberryPi GPIO; Using Gambas
The digital IO on the RaspberryPi is very useful for reading switches and turning on relays, lights and driving small motors.... ...and ...
captainraspberrypigpiousinggambas
https://lkml.iu.edu/1311.3/03432.html
Linux-Kernel Archive: Re: [PATCH V2] gpio: omap: refresh patch "be more aggressive withpm_runtime"...
https://lkml.iu.edu/hypermail/linux/kernel/1902.1/04616.html
Linux-Kernel Archive: [PATCH v3 7/7] gpio: mockup: rework debugfs interface
linux kernelarchivepatch
https://tinker-board.asus.com/forum/index.php?/topic/15599-better-gpio-library-for-pwm/
Better GPIO library for PWM - General Discussion - Tinker Board Forum
Hello Im having trouble with connecting one servo to the GPIO pins and sending PWM signals. The servo seem to jiggle / twitch. Ive tried to put a capacitor as...
general discussiontinker boardbettergpiolibrary
https://lkml.iu.edu/hypermail/linux/kernel/1604.0/00826.html
Linux-Kernel Archive: [PATCH 3.19.y-ckt 095/170] ALSA: hda - Fix unconditional GPIO toggle via...
https://lkml.iu.edu/1311.3/01210.html
Linux-Kernel Archive: Re: [PATCH] extcon: gpio: Request gpio pin before modifying its state
https://lwn.net/Articles/734867/
gpio: uniphier: UniPhier GPIO driver [LWN.net]
gpiodriverlwn
https://nl.mathworks.com/help/coder/nvidia/ref/jetson.configurepin.html
configurePin - Configure GPIO pin as digital input or digital output - MATLAB
This MATLAB function configures the GPIO pinNumber pin of the Jetson board as a digital input or digital output depending on the specified mode.
as digitalconfiguregpiopininput
https://lkml.iu.edu/1311.3/03715.html
Linux-Kernel Archive: Re: [PATCH v6] gpio: Add MOXA ART GPIO driver
linux kernelarchivepatch
https://lkml.iu.edu/hypermail/linux/kernel/2411.2/05576.html
Linux-Kernel Archive: Re: [PATCH] gpio: mxc: fix warning about static allocation of GPIO base
https://docs.amd.com/r/en-US/xapp1394-temp-dvs/Using-a-GPIO-as-a-Voltage-Indicator
Using a GPIO as a Voltage Indicator - Using a GPIO as a Voltage Indicator - XAPP1394
A GPIO can be configured as an output to indicate or signal to an external controller the voltage mode that the regulator should be set to, i.e., voltage High...
usinggpiovoltageindicator
https://lkml.iu.edu/hypermail/linux/kernel/2112.0/01437.html
Linux-Kernel Archive: [PATCH] wilc1000: Add reset/enable GPIO support to SPI driver
https://it.mathworks.com/help/matlab/supportpkg/the-beaglebone-black-gpio-pins.html
BeagleBone Black GPIO Pins - MATLAB & Simulink
GPIO pins on BeagleBone Black hardware.
beaglebone blackgpio pinsmatlabsimulink
https://lkml.indiana.edu/0910.3/00957.html
Linux-Kernel Archive: Re: staging/dream: add gpio and pmem support
linux kernelarchivestaging
https://lkml.indiana.edu/1605.1/04294.html
Linux-Kernel Archive: Re: [PATCH RFT 1/2] phylib: add device reset GPIO support
https://buildings.honeywell.com/ca/fr/products/by-category/fire-life-safety/public-address-and-voice-alarm/microphones/control-space-ex-8ml-mic-gpio-dante-endpoint
Control Space EX-8ML Mic/GPIO Dante Endpoint|Honeywell Building Automation
Learn all about the Control Space EX-8ML Mic/GPIO Dante Endpoint. Click to find product details, documentation, ordering info and more.
honeywell buildingcontrolspaceexmic
https://learn.adafruit.com/adafruit-pcf8574
Overview | Adafruit PCF8574 I2C GPIO Expander | Adafruit Learning System
Need more LEDs or buttons? Super simply add more GPIO pins to your project with this GPIO Expander breakout. Plugging this breakout into your microcontroller...
overviewadafruitgpioexpanderlearning
https://lkml.indiana.edu/hypermail/linux/kernel/2102.0/03972.html
Linux-Kernel Archive: [GIT PULL] gpio: fixes for v5.11-rc7
linux kernelgit pullarchive
https://lkml.indiana.edu/1112.0/03190.html
Linux-Kernel Archive: [007/104] drm/radeon/kms: fix up gpio i2c mask bits for r4xx for real
https://lkml.iu.edu/hypermail/linux/kernel/2109.2/02202.html
Linux-Kernel Archive: Re: [RFC PATCH v1 10/20] tools: gpio: Add GPIO output generation user...
https://forums.freebsd.org/threads/raspberry-pi-3-b-gpio-control.70992/
Solved - Raspberry Pi 3 B+, GPIO control | The FreeBSD Forums
Hello, I have little Raspberry Pi 3 B+ and I installed FreeBSD 12.0-RELEASE on it: # uname -a FreeBSD 12.0-RELEASE r341666 GENERIC arm64 I traed to...
raspberry pisolvedgpiocontrolfreebsd
https://lkml.indiana.edu/hypermail/linux/kernel/1001.1/01529.html
Linux-Kernel Archive: Re: [PATCH] gpio: introduce gpio_request_one() and friends
linux kernelrequest onearchivepatch
https://lkml.iu.edu/1311.3/02238.html
Linux-Kernel Archive: Re: [PATCH v3] gpio: Renesas RZ GPIO driver V3
linux kernelarchivepatchgpiorenesas
https://snapcraft.io/docs/reference/interfaces/gpio-memory-control-interface/
gpio-memory-control interface - Snap documentation
gpio-memory-control allows write access to all GPIO memory, via/dev/gpiomem. This interface is restricted because it provides privileged access to all GPIO...
control interfacegpiomemorysnapdocumentation
https://lkml.iu.edu/hypermail/linux/kernel/2302.2/00279.html
Linux-Kernel Archive: [PATCH 09/17] gpio: hlwd: Convert to immutable irq_chip
https://manpages.ubuntu.com/manpages/questing/man4/bytgpio.4freebsd.html
Ubuntu Manpage: bytgpio - Intel Bay Trail SoC GPIO controller
Intel Bay Trail SoC GPIO controller
ubuntumanpageintelbaytrail
https://lkml.iu.edu/hypermail/linux/kernel/2112.0/07095.html
Linux-Kernel Archive: Re: [PATCH v1 1/3] gpio: Get rid of duplicate of_node assignment in the...
https://lists.freebsd.org/archives/freebsd-bugs/2025-September/030092.html
[Bug 289120] A time-of-check to time-of-use race exists in gpioc_kqread() of GPIO subsystem
https://lkml.iu.edu/hypermail/linux/kernel/2107.3/04750.html
Linux-Kernel Archive: Re: [PATCH 1/9] dt-bindings: gpio: rockchip,gpio-bank: increase max clocks
https://lkml.iu.edu/hypermail/linux/kernel/1604.0/04494.html
Linux-Kernel Archive: Re: [PATCH v7 2/3] gpio: dwapb: convert device node to fwnode
https://lkml.iu.edu/1103.3/02512.html
Linux-Kernel Archive: Re: [PATCH] s3c2440: mini2440: Use leds-gpio driver for board leds handling.
https://forum.arduino.cc/t/arduino-mega-alimentato-da-gpio/623841
Arduino mega alimentato da GPIO ? - Hardware - Arduino Forum
Dec 2, 2019 - Buongiorno a tutti, Ieri sera mi sono accorto di un fatto strano che onestamente non mi piace e vorrei risolvere. Ho una scheda arduino mega 2560 su cui ho...
arduino megaalimentato dagpiohardwareforum
https://lkml.indiana.edu/1710.3/04842.html
Linux-Kernel Archive: Re: [PATCH v2 6/7] gpio: brcmstb: consolidate interrupt domains
https://manpages.ubuntu.com/manpages/questing/man4/gpioiic.4freebsd.html
Ubuntu Manpage: gpioiic - GPIO I2C bit-banging device driver
GPIO I2C bit-banging device driver
bit bangingubuntumanpagegpiodevice
https://docs.amd.com/r/en-US/ug1087-zynq-ultrascale-registers/MASK_DATA_4_LSW-GPIO-Register?contentId=_cn3P0RRimp7GGb61_nwPw
MASK_DATA_4_LSW (GPIO) Register - MASK_DATA_4_LSW (GPIO) Register - UG1087
MASK_DATA_4_LSW (GPIO) Register Description Register Name MASK_DATA_4_LSW Offset Address 0x0000000020 Absolute Address 0x00FF0A0020 (GPIO) Width 32 Type...
maskdatalswgpioregister