[PATCH v1] spi: designware: add support for bits-per-word DT binding

[Tom Rini]

On Tue, Mar 03, 2026 at 03:59:35PM +0800, Ng, Boon Khai wrote:
> Hi Tom,
> 
> > I don't see this binding in v7.0-rc1, did I miss it? Thanks.
> > 
> 
> This binding was not introduce in Linux. This is a per-requisite commit
> to support the Agilex Smart NIC 60xx board https://www.silicom-usa.com/wp-content/uploads/2024/02/FPGA-SmartNIC-N6010-AgileX-Based.pdf
> 
> During the initialization stage, this board require a spi communication to
> configure the chip's PLL and also to check the chip's status.
> 
> and it require the specific spi bits-per-word=16 setting.
> 
> Can i add the binding at U-Boot?
> https://github.com/u-boot/u-boot/blob/master/doc/device-tree-bindings/spi/snps%2Cdw-apb-ssi.txt

Why would this be inappropraite for the Linux kernel, once the system is
fully supported in Linux is the first question to answer. Thanks.

-- 
Tom
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