Re: [PATCH 1/3] gpio: dt-bindings: add new property to wd,mbl-gpio bindings

[Linus Walleij]

Hi Niall,

thanks for your patch!

On Thu, Jan 26, 2023 at 11:18 AM Niall Leonard via B4 Submission
Endpoint <devnull+nl250060.ncr.com@xxxxxxxxxx> wrote:

>  Optional properties:
>         - no-output: GPIOs are read-only.
> +       - no-input: GPIOs are write-only. Read is via a shadow register.

"Shadow register" is unclear technical lingo.

Just write "GPIO output registers are write-only"

DT bindings are OS neutral, the fact that Linux and other OS:es need to
cache ("shadow") this value is an implementation detail.

Yours,
Linus Walleij