linux-kernel - Re: [PATCH 0/2] arm64: dts: renesas: Add SD/OE pin properties

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Message-ID: <CAHCN7xK4WxuLCbR_C6v7QKgoRkzuGoXq92YVQQOTTajUgO7njw@mail.gmail.com>
Date: Fri, 27 Sep 2024 07:51:31 -0500
From: Adam Ford <aford173@...il.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Sean Anderson <sean.anderson@...ux.dev>, linux-arm-kernel@...ts.infradead.org, 
	Marian-Cristian Rotariu <marian-cristian.rotariu.rb@...renesas.com>, 
	Biju Das <biju.das@...renesas.com>, 
	Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Rob Herring <robh@...nel.org>, linux-renesas-soc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	Conor Dooley <conor+dt@...nel.org>, Magnus Damm <magnus.damm@...il.com>, 
	Geert Uytterhoeven <geert+renesas@...der.be>, Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 0/2] arm64: dts: renesas: Add SD/OE pin properties

On Fri, Sep 27, 2024 at 7:38 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Adam,
>
> On Fri, Sep 27, 2024 at 2:20 PM Adam Ford <aford173@...il.com> wrote:
> > On Thu, Sep 26, 2024 at 1:24 PM Sean Anderson <sean.anderson@...ux.dev> wrote:
> > > > - Inspect (or send me) the schematic to determine the state of the SD/OE
> > > >   pin during normal operation.
> >
> > The SD/OE pins on the Beacon boards are not tied high by default.
> > They have an optional pull-up resistor, but it is not populated by
> > default.
>
> Whoops, this "np" suffix is really tiny! I had completely missed it :-(

I have worked at Beacon/Logic PD for 10 years and I still miss the
'np' at times.  It's done that way, so when the bill-of-material is
generated from the schematic, the system throws away anything with an
'np' suffix, but it makes it really easy to enable it and know what
the part should be.

adam
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds