SPI devices can be defined using a “spidev” name, as demonstrated by the Linux kernel documentation.
This can be used to measure the amount of ambient light by using a voltage divider in a circuit.
The spidev framework enables users to control an SPI peripheral from Linux user space, and the spidev_test tool is available within the Linux kernel to perform tests via the spidev interface.
It used to be supported to define an SPI device using the “spidev” name. For example, as .modalias = “spidev” or compatible = “spidev”. But this is no longer supported by the Linux kernel and instead a real SPI device name as listed in one of the tables must be used.
SPI userspace API — The Linux Kernel documentation
The spidev framework enables users to easily control an SPI peripheral from Linux user space. This can be done through the board device tree, SPI hardware tests, and device tree configuration. The spidev_test tool is available within the Linux kernel and can be used to perform tests via the spidev interface.
How to use SPI from Linux userland with spidev - stm32mpu
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In the example above, the client SPI device driver for both devices is SPIDEV ( compatible = "linux,spidev"; ), which provides access to the SPI device from ...
Accessing SPI Devices in Linux
SPIDEV Interface SPI devices have a limited userspace API, supporting basic half-duplex read() and write() access to SPI slave devices. Using ioctl() requests, ...
BeagleBone Black Enable SPIDEV - eLinux.org
This page shows Python examples of spidev.SpiDev The following are 30 code examples of spidev.SpiDev() . You can vote up the ones you like or vote down the ...
Python Examples of spidev.SpiDev
There is a kernel module that can make use of the Raspberry Pi's built in SPI support. This requires the spidev module. Check if you have it loaded by running ...
Serial Peripheral Interface (SPI)