hi, i was able to locate the chip on the board. His partnumber is AX3106 (PWM controller) http://www.micro-bridge.com/data/Axelite/AX3106.pdf Some debug: nas:~# i2cdetect -l i2c-0 i2c mv64xxx_i2c adapter I2C adapter nas:~# i2cdetect 0 WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-0. I will probe address range 0x03-0x77. Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- 0c -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- UU -- 40: -- -- -- -- -- -- -- -- UU -- -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- UU -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- -- so, that is the output, what now? I contacted the maintainer from the file dns323-setup.c, but he has no time nor the hardware :-/ any suggestions? cu denny nas:~# i2cdump 0 0x0c 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-0, address 0xc, mode byte Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 10: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 20: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 30: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 40: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 50: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 60: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 70: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 80: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? 90: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? a0: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? b0: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? c0: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? d0: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? e0: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? f0: 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 91 ???????????????? nas:~# i2cdump 0 0x3 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-0, address 0x3, mode byte Continue? [Y/n] 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 10: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 20: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 40: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 50: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 60: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 70: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 80: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX 90: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX a0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX b0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX c0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX d0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX e0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX f0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX Am Dienstag, den 23.03.2010, 13:43 +0100 schrieb Jean Delvare: > For the time being, arch/arm/mach-orion5x/dns323-setup.c should > probably refrain from instantiating a g760a device on revision C1 > boards. You'll have to discuss this with whoever is in charge of this > file. > > Then you can try running i2cdetect on the I2C adapter, to see if a > mysterious device has been added. The I2C device map is supposed to > be: > > /* > * On the DNS-323 the following devices are attached via I2C: > * > * i2c addr | chip | description > * 0x3e | GMT G760Af | fan speed PWM controller > * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 > compatible) > * 0x68 | ST M41T80 | RTC w/ alarm > */ > > but I guess yours will be different.
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