How to SPI Slave by device tree in 4.14..y ?

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PowerPenguin
Posts: 16
Joined: Mon Feb 19, 2018 12:41 pm

How to SPI Slave by device tree in 4.14..y ?

Tue Oct 16, 2018 1:48 pm

I use a at91sam9g20 and need an example how to setup SPI interface into slave mode by devicetree !
blue_z
Location: USA
Posts: 1764
Joined: Thu Apr 19, 2007 10:15 pm

Re: How to SPI Slave by device tree in 4.14..y ?

Sat Oct 20, 2018 12:52 am

Although the Linux kernel was enhanced with framework to support a SPI controller in slave mode, there are no SPI drivers in 4.14 mainline or Linux4SAM that have been updated to use it.
The spi-slave mode property in a DT would be ignored by the spi-atmel driver.

Regards

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