SPI frame size support

[surya prakash]

Hello Everyone,

I am gathering requirement for SPI driver porting on Renesas RX65N board, which support 8bit,16bit and 32bit SPI frame size. 

I have refer NuttX code for other architecture where they are using only 8bit and 16bit  RSPI frame size.

I have doubt whether NuttX is supporting 32 bit SPI frame or not? 

Thanks & Regards,

Surya

[Petro Karashchenko]

Hello Surya,

Currently 32bit SPI frame size is not there for any of devices, but I have faces similar issue during porting to AM335x SPI. I have extended Nuttx interface to allow configuration for 32bit words with https://github.com/apache/incubator-nuttx/pull/495

I didn't managed to complete AM335x port till now. But I think that there are no blockers to add this.

Best regards,

Petro

вт, 12 трав. 2020 о 14:14 surya prakash <surya...@gmail.com> пише:

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