The Linux-arm-kernel Mailing lists is where the work is actually being done. Chipselects, which are exported on the PXB are already configured in the kernel. Fri Sep 9 Unless you have the need to change the standard settings, you can skip this chapter Configuring the Kernel Activate the driver in menuconfig make menuconfig: Based on updated components: Integration of stable kernel updates up to v4.

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Examples for both are provided.

Usage of SPI 0 and SPI 1 – Welcome to AT91SAM Community Discussions

To connect a spi chip four signals are needed: Choose with or without screen option, your root filesystem flavor, flash and you’re ready to go: How to configure Crypto driver.

Navigation Frequently Asked Questions. How to use I2SC. How to manually select PDA in U-boot. How to use the Image Sensor Controller.

Other terms and product names may be trademarks of others. Demo Image for all boards. Take care to not use a value here which cannot be supported by your platform. Of course this structure can be adapted according to your needs. The driver is also already activated. In addition to consolidating the ARM related kernel code, allowing the common code to be centralized and better maintained, the Device Tree also bring the possibility to run the same kernel binary on several platforms sharing the same ARM instruction set.


It is slightly changed, as the atspi driver does not support to change speed or bits per word via the ioctl-transfer interface. Connect to LinksToCommunities page. The Linux-arm-kernel Mailing lists is where the work is actually being done. View What links here.

Legacy branch don’t use for new developments. SPI works in master and slave mode, while the master provides the clock signal and each slave has a dedicated chipselect. Our goal is to be an interface with open source projects that include AT91 support.

This single zImage initiative allow the use of the same Linux kernel binary, without having the need for recompiling it, on another SoC, by just providing the proper Device Tree Binary file. If you don’t want to care about this new file, there is an Linux kernel option to append the Device Tree Binary at the end of the kernel image. linud

Here is a little summary of the enhancements added on top of the official v4. Fri Sep 9 The mode of master and slave have to be the same, so when in doubt consult the datasheet of your device.


If you need full-duplex read and write, you have to call the ioctl’s. Switched to a new branch ‘linux To keep yourself informed, add WebRss or WebAtom feeds in your usual news reader.

Of course you can also use your compiler on the target board Make sure you have the package linux-libc-dev liinux. They produce full featured root filesystems with many tools and a comprehensive set of applications.

Welcome to AT91SAM Community Discussions

Using ISI with Linux4sam 6. Keep an eye on this website as it has been designed for instant update. Old branch don’t use for new developments. Now the boot process linus to deal with two Linux files instead of one: Connect to LinksToCommunities page.