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+.\"	$NetBSD: seeprom.4,v 1.6 2013/10/25 22:15:02 wiz Exp $
+.\"
+.\" Copyright (c) 2007 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd October 25, 2013
+.Dt SEEPROM 4
+.Os
+.Sh NAME
+.Nm seeprom
+.Nd 24-series I2C EEPROM driver
+.Sh SYNOPSIS
+.Cd "seeprom0 at iic0 addr 0x51: AT24Cxx or compatible EEPROM: size 256"
+.Cd "seeprom16 at iic1 addr 0x57: power-supply: size 8192"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the ATMEL 24-series of I2C EEPROMs, and
+compatibles, available from a variety of vendors.
+The Philips PCF8582 is also supported, as compatible with the
+AT24C02.
+.Pp
+Access to the contents of the memory is through a character device.
+.Pp
+The size of the EEPROM is either read from the firmware, or can be set
+using the flags keyword in the kernel configuration.
+The value of the flag represents the EEPROM size in Kbit.
+.Bl -column -offset indent "flags" "EEPROM size in bytes"
+.It Sy flags Ta Sy EEPROM size in bytes
+.It Li 1 Ta 128
+.It Li 2 Ta 256
+.It Li 4 Ta 512
+.It Li 8 Ta 1024
+.It Li 16 Ta 2048
+.It Li 32 Ta 4096
+.It Li 64 Ta 8192
+.It Li 128 Ta 16384
+.It Li 256 Ta 32768
+.It Li 512 Ta 65536
+.El
+.Sh EXAMPLES
+Indirect configuration:
+.Dl seeprom* at iic? addr 0x51 flags 0x2
+Direct configuration:
+.Dl seeprom* at iic? addr?
+.Sh SEE ALSO
+.Xr iic 4
+.Sh HISTORY
+The
+.Nm
+device appeared in
+.Nx 2.0 .
+.Sh BUGS
+AT24C1024 EEPROM's are not supported.
+.Pp
+Software write protection on the AT34Cxx EEPROMs is not supported.
+.Pp
+The
+.Nm
+driver reads and writes one byte at a time to be compatible with all
+controllers.