How to enable SPI

Question

Hi, 
 Our product use R-car S4 and whitebox 5.1. 
 How to enable SPI(MSPI0CSS0) in dts and config? 
 Thanks! 
 Best Regards, 
 Johnny

DuyDang [Renesas] · Accepted Answer

Hi Jonny 
 To enable SPI in Linux, you can follow the manual in " R-Car S4 SDK Linux PKG with GCC compiler v3.16.2" package. Download it from: https://www.renesas.com/us/en/products/automotive-products/automotive-system-chips-socs/r-car-s4-automotive-system-chip-soc-car-servercommunication-gateway 
 I created a patch to enable and give control to driver domain. You can refer to it. 
 0001-ca55-Enable-SPI-for-DomD.patch 
 Best Regards, 
 Duy Dang

How to enable SPI

Top Replies