From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262867AbVGKWJK (ORCPT ); Mon, 11 Jul 2005 18:09:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262892AbVGKWGp (ORCPT ); Mon, 11 Jul 2005 18:06:45 -0400 Received: from mail.kroah.org ([69.55.234.183]:733 "EHLO perch.kroah.org") by vger.kernel.org with ESMTP id S262894AbVGKWDy convert rfc822-to-8bit (ORCPT ); Mon, 11 Jul 2005 18:03:54 -0400 Cc: khali@linux-fr.org Subject: [PATCH] I2C: max6875 documentation update In-Reply-To: <20050711220123.GA3807@kroah.com> X-Mailer: gregkh_patchbomb Date: Mon, 11 Jul 2005 15:02:56 -0700 Message-Id: <11211193761992@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Reply-To: Greg K-H To: linux-kernel@vger.kernel.org, lm-sensors@lm-sensors.org Content-Transfer-Encoding: 7BIT From: Greg KH Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org [PATCH] I2C: max6875 documentation update Here is a proposed documentation update for the new max6875 i2c chip driver. Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- commit 089bd86632769051f15cd7387eebe126d18f151f tree 57637f07d7cb28543db158d2457804e968d2a021 parent 9ab1ee2ab7d65979c0f14a60ee1f29f8988f5811 author Jean Delvare Thu, 23 Jun 2005 23:37:53 +0200 committer Greg Kroah-Hartman Mon, 11 Jul 2005 14:10:36 -0700 Documentation/i2c/chips/max6875 | 22 +++++++++++++++++----- 1 files changed, 17 insertions(+), 5 deletions(-) diff --git a/Documentation/i2c/chips/max6875 b/Documentation/i2c/chips/max6875 --- 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 @@ -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.