I have a quick question about supported i2c eeprom types. >From the user side is there a way to query/list supported types (ie. 24c256)? Conversely, is there a way to define a new type from user space and add it, maybe through i2c-1/new_device?
Documentation other than the SRM? Thanks! On Thursday, July 30, 2015 at 8:42:05 AM UTC-7, Michael Carr wrote: > > Hi Robert, Jason and William, > > Sorry for not pulling the device tree files, I've been out of town. I hope > the files help someone in the future if they purchase a mikroBus cape. > > This morning I found that the mikroBus cape is using a Microchip 24AA01 > (1K, 128 x 8) eeprom not a 24C256. Two questions came to mind after I found > this out. > > 1.) The Microchip 24AA01 doesn't use A0 ~ A2 (Don't Care). Responds to any > 0x5X address. Potential cape addressing conflicts here. > 2.) The non-B version clock is limited to 100Khz. > > Is the default clock for i2c bus 1 > 100khz? Ex. 400Khz 1000Khz? Can I > force it to 100 Khz? > > Yep, having problems writing to the eeprom. The schematics don't agree > with the delivered board. > Looks like they intended to use the 24C256 but in manufacturing they used > the 24AA01 instead. > > Mike > > > On Monday, July 27, 2015 at 10:27:54 AM UTC-7, RobertCNelson wrote: >> >> Thanks! Pushed as part of: >> >> >> https://github.com/RobertCNelson/bb-kernel/commit/c43f83c076c30cfbd98d4c00f962ca22a9563933 >> >> >> On Thu, Jul 16, 2015 at 10:59 AM, Michael Carr <[email protected]> wrote: >> > Hi Robert, >> > >> > I've ordered a MikroBus cape from MikroElektronica. They have a device >> tree >> > source file to support the cape. May I pass it along to you to add to >> > github? >> > >> > The eeprom on the card is empty and I will need to generate the >> contents. >> > Does anyone have a tool to create/read/write eeprom contents via >> cloud9? I >> > tried running eeprom-web.js and I get a cloud9 error. >> > >> > Thanks, >> > Mike >> > >> > -- >> > For more options, visit http://beagleboard.org/discuss >> > --- >> > You received this message because you are subscribed to the Google >> Groups >> > "BeagleBoard" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an >> > email to [email protected]. >> > For more options, visit https://groups.google.com/d/optout. >> >> >> >> -- >> Robert Nelson >> https://rcn-ee.com/ >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
