Re: [PATCH v7 3/3] fpga-mgr: Add Efinix SPI programming driver

Xu Yilun <[email protected]> Mon, 4 May 2026 19:18:15 +0800
Newsgroups org.kernel.vger.linux-fpga,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <afiAdwJ9NOg/sPUr@yilunxu-OptiPlex-7050>
On Thu, Apr 16, 2026 at 04:42:36PM +0200, [email protected] wrote:
> From: Ian Dannapel <[email protected]>
> 
> Add a new driver for loading binary firmware to configuration
> RAM using "SPI passive mode" on Efinix FPGAs.
> 
> Efinix passive SPI configuration requires chip select to remain asserted
> from reset until the complete bitstream and trailing idle clocks have
> been transferred, so the driver keeps CS active with cs_change and locks
> the SPI bus for the duration of configuration.
> 
> Signed-off-by: Ian Dannapel <[email protected]>

Reviewed-by: Xu Yilun <[email protected]>

I applied this series to for-next. Thanks.