From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Fri, 24 Aug 2018 16:10:40 -0400 Subject: [U-Boot] ARM: dts: am33xx: fix SLEWCTRL_FAST pinctrl binding In-Reply-To: <1534863849-10930-1-git-send-email-Christian.Amann@de.bosch.com> References: <1534863849-10930-1-git-send-email-Christian.Amann@de.bosch.com> Message-ID: <20180824201040.GS26633@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, Aug 21, 2018 at 05:04:09PM +0200, Christian.Amann at de.bosch.com wrote: > From: Christian Amann > > 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 > Signed-off-by: Tony Lindgren > " > > Signed-off-by: Christian Amann 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: