From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Behme Date: Sat, 31 Oct 2009 21:29:16 +0100 Subject: [U-Boot] [PATCH/RFC] Better I2C support for OMAP3 In-Reply-To: <4AEC9B70.2040708@bumblecow.com> References: <1EC7E91C-35A4-4602-AD16-A2DFCF40DB31@gmail.com> <4AEBE94B.3090603@googlemail.com> <4AEC9B70.2040708@bumblecow.com> Message-ID: <4AEC9E1C.7070307@googlemail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Tom Rix wrote: > Dirk Behme wrote: >> Hugo Vincent wrote: >>> Hi everyone, >>> >>> This patch improves I2C support on OMAP3 platforms, including >>> supporting the second and third I2C controllers (mainline only >>> supports the first controller), and supporting writes where alen=0 >>> (i.e. no register address - this was needed for some I2C devices I >>> needed to drive from u-boot). >>> >>> Tested on Gumstix Overo with several I2C devices, on I2C1 and 3. >>> >>> The multi-bus support is mostly from this patch: >>> http://www.beagleboard.org/gitweb/?p=u-boot-arm.git;a=commit;h=52eddcd07c2e7ad61d15bab2cf2d0d21466eaca2 >>> >>> >>> Best regards, >>> Hugo Vincent >>> >>> Signed-off-by: Hugo Vincent >> >> Does anybody have an up to date version of this patch? Seems we need >> it for Beagle Zippy, too. >> > > Thanks for the pointer. > I have cherry picked this commit and am testing it now. > I will post it once it is done, likely today. I'm currently working on (compile tested only) patch in attachment. Cheers Dirk -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: omap3_i2c_multibus_patch.txt Url: http://lists.denx.de/pipermail/u-boot/attachments/20091031/3c3ba07d/attachment.txt