SPI 32bit width data transfer

[slacker66]

Hello.

All is on the title,

I search issue to transfer 32 bit data with SPI bus on debian (original system)
I look at A20_user_manual, and at  chapter 6.3.4. SPI Register Description say it possible to transfer data with word format (32bit)

But i don't find example program with this issue ? All are on 8 bit

Are SPI (fex) driver support 32 bit data format ? How can i do ?

Thank