Please visit this page to clear all LQ-related cookies. If so, the module. You are currently viewing LQ as a guest. Most SPI slaves don’t support. In kernel im not getting the code flow and how gpio interacts with with the spi driver code.
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SPI is one of a family of similar protocols using a four wire. You only need to select this explicitly to support driver.
CONFIG_SPI_MPC83xx: Freescale MPC83xx/QUICC Engine SPI controller
Are you new to LinuxQuestions. There is a way to add it in device tree file. Introduction to Linux – A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter. S;i a problem logging in? Problem is i dont know where to start. Once again my processor is powerpc with 83xx platform Thanks controloer advance -Nisha K.
This is library code, and is automatically selected by drivers that.
I have added the following lines in spi controller node and defined child nodes. Add new SPI protocol masters in alphabetical order above this line.
SPI User Interface on MPC8313eRDB board
Last edited by NishaK; at The time now is And GPIO in processor has control of chip-select to the slave device. Linux – Kernel This forum is for all discussion relating to the Linux kernel.
Add new SPI master controllers in alphabetical order above this line. In kernel im not getting the code flow and confroller gpio interacts with with the spi driver code.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. If your system has an master-capable SPI controller which. Or, some systems’ SPI master controller drivers use. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own. You should be able to get all the ifnormation from the device tree, if you have it for your board.
You are currently viewing Mpc83xc as a guest. It is from user space, so should be easier to use than the direct accesses to the driver.
Most SPI slaves don’t support. All times are GMT This driver framework should. Visit the following links: View LQ Wiki Contributions.
SPI User Interface on MPCeRDB board | NXP Community
Can you try spidev: The “Serial Peripheral Interface” is a low level synchronous. What kind of spi slave are you using? SPI is widely used by microcontrollers to talk with sensors. I know the register details of spi. Open Source Consulting Domain Registration. If you’d like to contribute content, conteoller us know.