From: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Laurent Pinchart
<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
Cc: James Hogan <james.hogan-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org>,
"linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC] pinctrl: generic: Add DT bindings
Date: Sun, 16 Jun 2013 02:04:45 +0200 [thread overview]
Message-ID: <CACRpkdZePYMHFMOc0WEy73vqix9uRFyedS66sKcyP_D_Kq+nQg@mail.gmail.com> (raw)
In-Reply-To: <1422045.RvRkWGR9K7@avalon>
On Sun, Jun 16, 2013 at 1:52 AM, Laurent Pinchart
<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org> wrote:
> Hi Linus,
> On Sunday 16 June 2013 01:51:32 Linus Walleij wrote:
>> As dicussed earlier this was designed for systems where
>> you could set the pull-up resistance, like
>>
>> bias-pull-up = <600000>;
>>
>> would give 600kOhm pull up.
>>
>> In most existing systems that is silly, as they can't specify it, so they
>> should be able to do just:
>>
>> bias-pull-up;
>>
>> as that is all they can do. If we have to cut one way, we should cut the
>> former until such a system appears.
>
> I'm fine with bias-pull-up = <1>; vs bias-pull-up;. What bothers me a bit is
> bias-pull-up = <0>; vs bias-disable;.
Oh yeah OK you got a point there for sure.
Setting bias-pull-up = <0>; would be equal to short-circuit
so it does not make any kind of sense.
Let's keep an eye on this.
Yours,
Linus Walleij
next prev parent reply other threads:[~2013-06-16 0:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-11 22:03 [RFC] pinctrl: generic: Add DT bindings Laurent Pinchart
2013-06-12 12:48 ` Grant Likely
2013-06-13 22:39 ` Laurent Pinchart
2013-06-15 19:56 ` Linus Walleij
2013-06-15 20:16 ` Heiko Stübner
2013-06-15 23:35 ` Laurent Pinchart
2013-06-15 23:51 ` Linus Walleij
2013-06-15 23:52 ` Laurent Pinchart
2013-06-16 0:04 ` Linus Walleij [this message]
[not found] ` <201306152216.14252.heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
2013-06-19 21:52 ` Stephen Warren
2013-06-12 14:36 ` James Hogan
2013-06-13 22:46 ` Laurent Pinchart
2013-06-19 21:58 ` Stephen Warren
2013-06-24 9:43 ` Linus Walleij
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CACRpkdZePYMHFMOc0WEy73vqix9uRFyedS66sKcyP_D_Kq+nQg@mail.gmail.com \
--to=linus.walleij-qsej5fyqhm4dnm+yrofe0a@public.gmane.org \
--cc=devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org \
--cc=james.hogan-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org \
--cc=laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).