Re: [PATCH 1/3] dt-bindings: auxdisplay: hit, hd44780: drop redundant GPIO node

From: Ralf Schlatterbeck
Date: Mon Feb 12 2024 - 09:40:14 EST

On Mon, Feb 12, 2024 at 02:38:27PM +0100, Krzysztof Kozlowski wrote:
> On 12/02/2024 12:58, Ralf Schlatterbeck wrote:
> GPIO expanders and their usage is nothing specific to this device -
> other devices also might benefit of them. Or the SoCs which have enough
> of GPIOs... I really do not understand why do we need expander here and
> how does it help

Can we then at least link the I/O Expander example to the docs of that
I've documented my experience here:

And at the time there were two out-of-tree implementations.

Note that I think that redundancy in code is bad.
Not so for documentation.

Thanks + kind regards
Dr. Ralf Schlatterbeck Tel: +43/2243/26465-16
Open Source Consulting www:
Reichergasse 131, A-3411 Weidling email: office@xxxxxxxxxx