From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] ARM: dts: am33xx: fix SLEWCTRL_FAST pinctrl binding
Date: Fri, 24 Aug 2018 16:10:40 -0400 [thread overview]
Message-ID: <20180824201040.GS26633@bill-the-cat> (raw)
In-Reply-To: <1534863849-10930-1-git-send-email-Christian.Amann@de.bosch.com>
On Tue, Aug 21, 2018 at 05:04:09PM +0200, Christian.Amann at de.bosch.com wrote:
> From: Christian Amann <Christian.Amann@de.bosch.com>
>
> Copy missing Kernel patch to make SLEWCTRL_SLOW available in device tree
> and to correct the value of SLEWCTRL_FAST.
> After this patch, the Kernel and U-boot device tree settings for
> SLEWCTRL have the same effect.
>
> Original Kernel patch message:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=424e0f039bfa8a51fb5c5178b6ece8baa4996469
>
> "
> According to AM335x TRM, Document spruh73l, Revised February 2015,
> Section 9.2.2 Pad Control Registers, setting bit 6 of the pad control
> registers actually sets the SLEWCTRL value to slow rather than fast as
> the current macro indicates. Introduce a new macro, SLEWCTRL_SLOW, that
> sets the bit, and modify SLEWCTRL_FAST to 0 but keep it for
> completeness. Current users of the macro (i2c and mdio) are left
> unmodified as SLEWCTRL_FAST was the macro used and actual desired state.
> Tested on am335x-gp-evm with no difference in software performance seen.
> Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
> "
>
> Signed-off-by: Christian Amann <Christian.Amann@de.bosch.com>
Applied to u-boot/master, thanks!
--
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://lists.denx.de/pipermail/u-boot/attachments/20180824/60022aa4/attachment.sig>
prev parent reply other threads:[~2018-08-24 20:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-21 15:04 [U-Boot] [PATCH] ARM: dts: am33xx: fix SLEWCTRL_FAST pinctrl binding Christian.Amann at de.bosch.com
2018-08-24 20:10 ` Tom Rini [this message]
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=20180824201040.GS26633@bill-the-cat \
--to=trini@konsulko.com \
--cc=u-boot@lists.denx.de \
/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