Interesting chip. Haven't heard of it before. I'll add it to our 'new drivers' page. Are you working on a driver? For a model of a chip driver with multiple i2c addresses, look at w83781d. We call the additional addresses 'subclients'. Travis B. Sawyer wrote: > Greetings! > > Anyone doing any driver work for the Summit SMM605 Supply Voltage Monitor? > > > I have a bit of a conumdrum. > > This device shows up at the following addresses (all for the same chip): > > 0x4b, 0x50, 0x51, & 0x53 > > 0x50 & 0x51 are the two 2k bits eeproms > 0x53 are the voltage configuration registers > 0x4b are the write protect and 2 config regs. > > I'm not too worried about the eeprom pages. However, the 0x4b & 0x53 > register banks _*SHOULD*_ look like one device to the user. > > Is there any way to do that? > > With the eeprom module loaded, 0x50, 0x51, & 0x53 show up as eeproms > (0x53 should show up as the SMM605 when I do the driver, as long as I > can figure out a detection scheme). > > Are there other devices (SuperIO) that I can use as a template that have > register banks at different addresses, yet show up as a 'single' entry > in procfs/sysfs? > > I've included a register dump of 0x4b and 0x53 in the hope that it may > help. > > Datasheet: > http://www.summitmicro.com/prod_select/summary/smm605/SMM605DS.pdf > http://tinyurl.com/42tge > > > AppNote: (contains the register defn's) > http://www.summitmicro.com/tech_support/notes/note40/note40.pdf > http://tinyurl.com/4w2cf > > > Thanx in advance, > > Travis Sawyer > > bash-2.05b# i2cdump 1 0x4b > No size specified (using byte-data access) > WARNING! This program can confuse your I2C bus, cause data loss and > worse! > I will probe file /dev/i2c/1, address 0x4b, mode byte > You have five seconds to reconsider and press CTRL-C! > > 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef > 00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 80: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > 90: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > a0: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > b0: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > c0: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > d0: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > e0: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > f0: 00 07 ff 05 00 00 00 ff 03 ff ff ff ff ff ff ff .?.?....?....... > > bash-2.05b# i2cdump 1 0x53 > No size specified (using byte-data access) > WARNING! This program can confuse your I2C bus, cause data loss and > worse! > I will probe file /dev/i2c/1, address 0x53, mode byte > You have five seconds to reconsider and press CTRL-C! > > 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef > 00: 0d 83 0d ff 0e 61 0e c7 0f 54 0b 20 3f 3f 03 40 ???.?a???T? ???@ > 10: 8f 9f af bf cf df 00 00 00 02 00 02 00 02 00 02 ??????...?.?.?.? > 20: 2f 85 5d 00 21 1f 00 00 00 00 00 00 00 00 00 00 /?].!?.......... > 30: 0d 60 0d dc 0e 45 0e a2 0f 08 0f d6 00 12 50 00 ?`???E??????.?P. > 40: 0d b9 0e 39 0e a4 0f 16 0f b4 06 81 00 00 00 00 ???9????????.... > 50: ba 59 12 73 14 79 12 7c 14 81 00 00 00 00 00 00 ?Y?s?y?|??...... > 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 70: ba 59 00 6d 00 36 00 c0 00 88 00 80 00 00 00 00 ?Y.m.6.?.?.?.... > 80: 42 48 82 3e 2a b8 12 f6 41 c8 81 b9 2a 34 12 49 BH?>*???A???*4?I > 90: 49 5c 81 52 29 d7 11 eb 41 3e 81 33 29 9a 11 ae I\?R)???A>?3)??? > a0: 41 0b 80 f6 29 5d 11 71 40 ce 80 8f 29 1f 11 33 A???)]?q@???)??3 > b0: 2a 67 0a 52 03 ff 03 ff 0d 9a 0d 56 0f e0 0f e0 *g?R?.?.???V???? > c0: 0b 38 0b 38 09 90 09 90 0c 00 0c 00 0f ff 0f ff ?8?8?????.?.?.?. > d0: 0c 00 0c 00 0f d8 0f d8 00 00 00 00 00 00 00 00 ?.?.????........ > e0: 00 3d 00 3d 00 3d 00 3d 00 3d 00 3d 00 00 00 00 .=.=.=.=.=.=.... > f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > >
