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author | Anton Altaparmakov <aia21@cantab.net> | 2005-07-13 23:09:23 +0100 |
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committer | Anton Altaparmakov <aia21@cantab.net> | 2005-07-13 23:09:23 +0100 |
commit | c514720716c7b109ff980f8b3cb93f9af872c91c (patch) | |
tree | 490a9578995705de69712893a190b67651bddc56 /Documentation/i2c/chips/max6875 | |
parent | 07929dcb963786512c760dd3ecd148d89295e7e5 (diff) | |
parent | 1e279dd855d15b72364b4103f872d67d8592647e (diff) |
Automatic merge with /usr/src/ntfs-2.6.git.
Diffstat (limited to 'Documentation/i2c/chips/max6875')
-rw-r--r-- | Documentation/i2c/chips/max6875 | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/Documentation/i2c/chips/max6875 b/Documentation/i2c/chips/max6875 index b4fb49b4181..b02002898a0 100644 --- a/Documentation/i2c/chips/max6875 +++ b/Documentation/i2c/chips/max6875 @@ -2,10 +2,10 @@ Kernel driver max6875 ===================== Supported chips: - * Maxim max6874, max6875 - Prefixes: 'max6875' + * Maxim MAX6874, MAX6875 + Prefix: 'max6875' Addresses scanned: 0x50, 0x52 - Datasheets: + Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6874-MAX6875.pdf Author: Ben Gardner <bgardner@wabtec.com> @@ -23,14 +23,26 @@ Module Parameters Description ----------- -The MAXIM max6875 is a EEPROM-programmable power-supply sequencer/supervisor. +The Maxim MAX6875 is an EEPROM-programmable power-supply sequencer/supervisor. It provides timed outputs that can be used as a watchdog, if properly wired. It also provides 512 bytes of user EEPROM. -At reset, the max6875 reads the configuration eeprom into its configuration +At reset, the MAX6875 reads the configuration EEPROM into its configuration registers. The chip then begins to operate according to the values in the registers. +The Maxim MAX6874 is a similar, mostly compatible device, with more intputs +and outputs: + + vin gpi vout +MAX6874 6 4 8 +MAX6875 4 3 5 + +MAX6874 chips can have four different addresses (as opposed to only two for +the MAX6875). The additional addresses (0x54 and 0x56) are not probed by +this driver by default, but the probe module parameter can be used if +needed. + See the datasheet for details on how to program the EEPROM. |