drivers/hwmon : move hardware monitor drviers to drivers/hwmon

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

6 files changed, 0 insertions, 908 deletions

diff --git a/dtt/Makefile b/dtt/Makefile
deleted file mode 100644
index 72e5c88bd4..0000000000
--- a/dtt/Makefile
+++ /dev/null
@@ -1,55 +0,0 @@
-#
-# (C) Copyright 2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2001
-# Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-#CFLAGS += -DDEBUG
-
-LIB	= $(obj)libdtt.a
-
-COBJS-y += lm75.o
-COBJS-y += ds1621.o
-COBJS-y += adm1021.o
-COBJS-y += lm81.o
-COBJS-y += ds1775.o
-
-COBJS	:= $(COBJS-y)
-SRCS	:= $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-
-all:	$(LIB)
-
-$(LIB):	$(obj).depend $(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/dtt/adm1021.c b/dtt/adm1021.c
deleted file mode 100644
index 9f65cfb274..0000000000
--- a/dtt/adm1021.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * (C) Copyright 2003
- * Murray Jensen, CSIRO-MIT, Murray.Jensen@csiro.au
- *
- * based on dtt/lm75.c which is ...
- *
- * (C) Copyright 2001
- * Bill Hunter,  Wave 7 Optics, williamhunter@mediaone.net
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * Analog Devices's ADM1021
- * "Low Cost Microprocessor System Temperature Monitor"
- */
-
-#include <common.h>
-
-#ifdef CONFIG_DTT_ADM1021
-
-#include <i2c.h>
-#include <dtt.h>
-
-typedef
-	struct {
-		uint i2c_addr:7;	/* 7bit i2c chip address */
-		uint conv_rate:3;	/* conversion rate */
-		uint enable_alert:1;	/* enable alert output pin */
-		uint enable_local:1;	/* enable internal temp sensor */
-		uint max_local:8;	/* internal temp maximum */
-		uint min_local:8;	/* internal temp minimum */
-		uint enable_remote:1;	/* enable remote temp sensor */
-		uint max_remote:8;	/* remote temp maximum */
-		uint min_remote:8;	/* remote temp minimum */
-	}
-dtt_cfg_t;
-
-dtt_cfg_t dttcfg[] = CFG_DTT_ADM1021;
-
-int
-dtt_read (int sensor, int reg)
-{
-	dtt_cfg_t *dcp = &dttcfg[sensor >> 1];
-	uchar data;
-
-	if (i2c_read(dcp->i2c_addr, reg, 1, &data, 1) != 0)
-		return -1;
-
-	return (int)data;
-} /* dtt_read() */
-
-int
-dtt_write (int sensor, int reg, int val)
-{
-	dtt_cfg_t *dcp = &dttcfg[sensor >> 1];
-	uchar data;
-
-	data = (uchar)(val & 0xff);
-
-	if (i2c_write(dcp->i2c_addr, reg, 1, &data, 1) != 0)
-		return 1;
-
-	return 0;
-} /* dtt_write() */
-
-static int
-_dtt_init (int sensor)
-{
-	dtt_cfg_t *dcp = &dttcfg[sensor >> 1];
-	int reg, val;
-
-	if (((sensor & 1) == 0 ? dcp->enable_local : dcp->enable_remote) == 0)
-		return 1;	/* sensor is disabled (or rather ignored) */
-
-	/*
-	 * Setup High Limit register
-	 */
-	if ((sensor & 1) == 0) {
-		reg = DTT_WRITE_LOC_HIGHLIM;
-		val = dcp->max_local;
-	}
-	else {
-		reg = DTT_WRITE_REM_HIGHLIM;
-		val = dcp->max_remote;
-	}
-	if (dtt_write (sensor, reg, val) != 0)
-		return 1;
-
-	/*
-	 * Setup Low Limit register
-	 */
-	if ((sensor & 1) == 0) {
-		reg = DTT_WRITE_LOC_LOWLIM;
-		val = dcp->min_local;
-	}
-	else {
-		reg = DTT_WRITE_REM_LOWLIM;
-		val = dcp->min_remote;
-	}
-	if (dtt_write (sensor, reg, val) != 0)
-		return 1;
-
-	/* shouldn't hurt if the rest gets done twice */
-
-	/*
-	 * Setup Conversion Rate register
-	 */
-	if (dtt_write (sensor, DTT_WRITE_CONVRATE, dcp->conv_rate) != 0)
-		return 1;
-
-	/*
-	 * Setup configuraton register
-	 */
-	val = 0;				/* running */
-	if (dcp->enable_alert == 0)
-		val |= DTT_CONFIG_ALERT_MASKED;	/* mask ALERT pin */
-	if (dtt_write (sensor, DTT_WRITE_CONFIG, val) != 0)
-		return 1;
-
-	return 0;
-} /* _dtt_init() */
-
-int
-dtt_init (void)
-{
-	int i;
-	unsigned char sensors[] = CONFIG_DTT_SENSORS;
-	const char *const header = "DTT:   ";
-
-	/* switch to correct I2C bus */
-	I2C_SET_BUS(CFG_DTT_BUS_NUM);
-
-	for (i = 0; i < sizeof(sensors); i++) {
-		if (_dtt_init(sensors[i]) != 0)
-			printf ("%s%d FAILED INIT\n", header, i+1);
-		else
-			printf ("%s%d is %i C\n", header, i+1,
-				dtt_get_temp(sensors[i]));
-	}
-
-	return (0);
-} /* dtt_init() */
-
-int
-dtt_get_temp (int sensor)
-{
-	signed char val;
-
-	if ((sensor & 1) == 0)
-		val = dtt_read(sensor, DTT_READ_LOC_VALUE);
-	else
-		val = dtt_read(sensor, DTT_READ_REM_VALUE);
-
-	return (int) val;
-} /* dtt_get_temp() */
-
-#endif /* CONFIG_DTT_ADM1021 */
diff --git a/dtt/ds1621.c b/dtt/ds1621.c
deleted file mode 100644
index 494818131f..0000000000
--- a/dtt/ds1621.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * (C) Copyright 2001
- * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * Dallas Semiconductor's DS1621 Digital Thermometer and Thermostat.
- */
-
-#include <common.h>
-
-#ifdef CONFIG_DTT_DS1621
-#if !defined(CFG_EEPROM_PAGE_WRITE_ENABLE) || \
-	(CFG_EEPROM_PAGE_WRITE_BITS < 1)
-# error "CFG_EEPROM_PAGE_WRITE_ENABLE must be defined and CFG_EEPROM_PAGE_WRITE_BITS must be greater than 1 to use CONFIG_DTT_DS1621"
-#endif
-#include <i2c.h>
-#include <dtt.h>
-
-/*
- * Device code
- */
-#define DTT_I2C_DEV_CODE 0x48			/* Dallas Semi's DS1621 */
-
-int dtt_read(int sensor, int reg)
-{
-    int dlen;
-    uchar data[2];
-
-    /*
-     * Calculate sensor address and command.
-     *
-     */
-    sensor = DTT_I2C_DEV_CODE + (sensor & 0x07); /* Calculate addr of ds1621*/
-
-    /*
-     * Prepare to handle 2 byte result.
-     */
-    if ((reg == DTT_READ_TEMP) ||
-	(reg == DTT_TEMP_HIGH) || (reg == DTT_TEMP_LOW))
-	dlen = 2;
-    else
-	dlen = 1;
-
-    /*
-     * Now try to read the register.
-     */
-    if (i2c_read(sensor, reg, 1, data, dlen) != 0)
-	return 1;
-
-    /*
-     * Handle 2 byte result.
-     */
-    if (dlen == 2)
-	return ((int)((short)data[1] + (((short)data[0]) << 8)));
-
-    return (int)data[0];
-} /* dtt_read() */
-
-
-int dtt_write(int sensor, int reg, int val)
-{
-    int dlen;
-    uchar data[2];
-
-    /*
-     * Calculate sensor address and register.
-     *
-     */
-    sensor = DTT_I2C_DEV_CODE + (sensor & 0x07);
-
-    /*
-     * Handle various data sizes.
-     */
-    if ((reg == DTT_READ_TEMP) ||
-	(reg == DTT_TEMP_HIGH) || (reg == DTT_TEMP_LOW)) {
-	dlen = 2;
-	data[0] = (char)((val >> 8) & 0xff);	/* MSB first */
-	data[1] = (char)(val & 0xff);
-    }
-    else if ((reg == DTT_WRITE_START_CONV) || (reg == DTT_WRITE_STOP_CONV)) {
-	dlen = 0;
-	data[0] = (char)0;
-	data[1] = (char)0;
-    }
-    else {
-	dlen = 1;
-	data[0] = (char)(val & 0xff);
-    }
-
-    /*
-     * Write value to device.
-     */
-    if (i2c_write(sensor, reg, 1, data, dlen) != 0)
-	return 1;
-
-    return 0;
-} /* dtt_write() */
-
-
-static int _dtt_init(int sensor)
-{
-    int val;
-
-    /*
-     * Setup High Temp.
-     */
-    val = ((CFG_DTT_MAX_TEMP * 2) << 7) & 0xff80;
-    if (dtt_write(sensor, DTT_TEMP_HIGH, val) != 0)
-	return 1;
-    udelay(50000);				/* Max 50ms */
-
-    /*
-     * Setup Low Temp - hysteresis.
-     */
-    val = (((CFG_DTT_MAX_TEMP - CFG_DTT_HYSTERESIS) * 2) << 7) & 0xff80;
-    if (dtt_write(sensor, DTT_TEMP_LOW, val) != 0)
-	return 1;
-    udelay(50000);				/* Max 50ms */
-
-    /*
-     * Setup configuraton register
-     *
-     * Clear THF & TLF, Reserved = 1, Polarity = Active Low, One Shot = YES
-     *
-     * We run in polled mode, since there isn't any way to know if this
-     * lousy device is ready to provide temperature readings on power up.
-     */
-    val = 0x9;
-    if (dtt_write(sensor, DTT_CONFIG, val) != 0)
-	return 1;
-    udelay(50000);				/* Max 50ms */
-
-    return 0;
-} /* _dtt_init() */
-
-
-int dtt_init (void)
-{
-    int i;
-    unsigned char sensors[] = CONFIG_DTT_SENSORS;
-
-    for (i = 0; i < sizeof(sensors); i++) {
-	if (_dtt_init(sensors[i]) != 0)
-	    printf("DTT%d:  FAILED\n", i+1);
-	else
-	    printf("DTT%d:  %i C\n", i+1, dtt_get_temp(sensors[i]));
-    }
-
-    return (0);
-} /* dtt_init() */
-
-
-int dtt_get_temp(int sensor)
-{
-    int i;
-
-    /*
-     * Start a conversion, may take up to 1 second.
-     */
-    dtt_write(sensor, DTT_WRITE_START_CONV, 0);
-    for (i = 0; i <= 10; i++) {
-	udelay(100000);
-	if (dtt_read(sensor, DTT_CONFIG) & 0x80)
-	    break;
-    }
-
-    return (dtt_read(sensor, DTT_READ_TEMP) / 256);
-} /* dtt_get_temp() */
-
-
-#endif /* CONFIG_DTT_DS1621 */
diff --git a/dtt/ds1775.c b/dtt/ds1775.c
deleted file mode 100644
index e44cee3279..0000000000
--- a/dtt/ds1775.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * Dallas Semiconductor's DS1775 Digital Thermometer and Thermostat
- */
-
-#include <common.h>
-
-#ifdef CONFIG_DTT_DS1775
-#include <i2c.h>
-#include <dtt.h>
-
-#define DTT_I2C_DEV_CODE 0x49		/* Dallas Semi's DS1775 device code */
-
-int dtt_read(int sensor, int reg)
-{
-	int dlen;
-	uchar data[2];
-
-	/*
-	 * Calculate sensor address and command
-	 */
-	sensor = DTT_I2C_DEV_CODE + (sensor & 0x07); /* Calculate addr of ds1775 */
-
-	/*
-	 * Prepare to handle 2 byte result
-	 */
-	if ((reg == DTT_READ_TEMP) ||
-	    (reg == DTT_TEMP_OS) || (reg == DTT_TEMP_HYST))
-		dlen = 2;
-	else
-		dlen = 1;
-
-	/*
-	 * Now try to read the register
-	 */
-	if (i2c_read(sensor, reg, 1, data, dlen) != 0)
-		return 1;
-
-	/*
-	 * Handle 2 byte result
-	 */
-	if (dlen == 2)
-		return ((int)((short)data[1] + (((short)data[0]) << 8)));
-
-	return (int) data[0];
-}
-
-
-int dtt_write(int sensor, int reg, int val)
-{
-	int dlen;
-	uchar data[2];
-
-	/*
-	 * Calculate sensor address and register
-	 */
-	sensor = DTT_I2C_DEV_CODE + (sensor & 0x07);
-
-	/*
-	 * Handle various data sizes
-	 */
-	if ((reg == DTT_READ_TEMP) ||
-	    (reg == DTT_TEMP_OS) || (reg == DTT_TEMP_HYST)) {
-		dlen = 2;
-		data[0] = (char)((val >> 8) & 0xff); /* MSB first */
-		data[1] = (char)(val & 0xff);
-	} else {
-		dlen = 1;
-		data[0] = (char)(val & 0xff);
-	}
-
-	/*
-	 * Write value to device
-	 */
-	if (i2c_write(sensor, reg, 1, data, dlen) != 0)
-		return 1;
-
-	return 0;
-}
-
-
-static int _dtt_init(int sensor)
-{
-	int val;
-
-	/*
-	 * Setup High Temp
-	 */
-	val = ((CFG_DTT_MAX_TEMP * 2) << 7) & 0xff80;
-	if (dtt_write(sensor, DTT_TEMP_OS, val) != 0)
-		return 1;
-	udelay(50000);			/* Max 50ms */
-
-	/*
-	 * Setup Low Temp - hysteresis
-	 */
-	val = (((CFG_DTT_MAX_TEMP - CFG_DTT_HYSTERESIS) * 2) << 7) & 0xff80;
-	if (dtt_write(sensor, DTT_TEMP_HYST, val) != 0)
-		return 1;
-	udelay(50000);			/* Max 50ms */
-
-	/*
-	 * Setup configuraton register
-	 *
-	 * Fault Tolerance limits 4, Thermometer resolution bits is 9,
-	 * Polarity = Active Low,continuous conversion mode, Thermostat
-	 * mode is interrupt mode
-	 */
-	val = 0xa;
-	if (dtt_write(sensor, DTT_CONFIG, val) != 0)
-		return 1;
-	udelay(50000);			/* Max 50ms */
-
-	return 0;
-}
-
-
-int dtt_init (void)
-{
-	int i;
-	unsigned char sensors[] = CONFIG_DTT_SENSORS;
-
-	for (i = 0; i < sizeof(sensors); i++) {
-		if (_dtt_init(sensors[i]) != 0)
-			printf("DTT%d:  FAILED\n", i+1);
-		else
-			printf("DTT%d:  %i C\n", i+1, dtt_get_temp(sensors[i]));
-	}
-
-	return (0);
-}
-
-
-int dtt_get_temp(int sensor)
-{
-	return (dtt_read(sensor, DTT_READ_TEMP) / 256);
-}
-
-
-#endif /* CONFIG_DTT_DS1775 */
diff --git a/dtt/lm75.c b/dtt/lm75.c
deleted file mode 100644
index 63f3b7551e..0000000000
--- a/dtt/lm75.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * (C) Copyright 2001
- * Bill Hunter,  Wave 7 Optics, williamhunter@mediaone.net
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * On Semiconductor's LM75 Temperature Sensor
- */
-
-#include <common.h>
-
-#ifdef CONFIG_DTT_LM75
-#if !defined(CFG_EEPROM_PAGE_WRITE_ENABLE) || \
-	(CFG_EEPROM_PAGE_WRITE_BITS < 1)
-# error "CFG_EEPROM_PAGE_WRITE_ENABLE must be defined and CFG_EEPROM_PAGE_WRITE_BITS must be greater than  1 to use CONFIG_DTT_LM75"
-#endif
-
-#include <i2c.h>
-#include <dtt.h>
-
-
-/*
- * Device code
- */
-#define DTT_I2C_DEV_CODE 0x48			/* ON Semi's LM75 device */
-
-int dtt_read(int sensor, int reg)
-{
-    int dlen;
-    uchar data[2];
-
-    /*
-     * Validate 'reg' param
-     */
-    if((reg < 0) || (reg > 3))
-	return -1;
-
-    /*
-     * Calculate sensor address and register.
-     */
-    sensor = DTT_I2C_DEV_CODE + (sensor & 0x07); /* calculate address of lm75 */
-
-    /*
-     * Prepare to handle 2 byte result.
-     */
-    if ((reg == DTT_READ_TEMP) ||
-	(reg == DTT_TEMP_HYST) ||
-	(reg == DTT_TEMP_SET))
-	dlen = 2;
-    else
-	dlen = 1;
-
-    /*
-     * Now try to read the register.
-     */
-    if (i2c_read(sensor, reg, 1, data, dlen) != 0)
-	return -1;
-
-    /*
-     * Handle 2 byte result.
-     */
-    if (dlen == 2)
-	return ((int)((short)data[1] + (((short)data[0]) << 8)));
-
-
-    return (int)data[0];
-} /* dtt_read() */
-
-
-int dtt_write(int sensor, int reg, int val)
-{
-    int dlen;
-    uchar data[2];
-
-    /*
-     * Validate 'reg' param
-     */
-    if ((reg < 0) || (reg > 3))
-	return 1;
-
-    /*
-     * Calculate sensor address and register.
-     */
-    sensor = DTT_I2C_DEV_CODE + (sensor & 0x07); /* calculate address of lm75 */
-
-    /*
-     * Handle 2 byte values.
-     */
-    if ((reg == DTT_READ_TEMP) ||
-	(reg == DTT_TEMP_HYST) ||
-	(reg == DTT_TEMP_SET)) {
-	dlen = 2;
-	data[0] = (char)((val >> 8) & 0xff);	/* MSB first */
-	data[1] = (char)(val & 0xff);
-    } else {
-	dlen = 1;
-	data[0] = (char)(val & 0xff);
-    }
-
-    /*
-     * Write value to register.
-     */
-    if (i2c_write(sensor, reg, 1, data, dlen) != 0)
-	return 1;
-
-    return 0;
-} /* dtt_write() */
-
-
-static int _dtt_init(int sensor)
-{
-    int val;
-
-    /*
-     * Setup TSET ( trip point ) register
-     */
-    val = ((CFG_DTT_MAX_TEMP * 2) << 7) & 0xff80; /* trip */
-    if (dtt_write(sensor, DTT_TEMP_SET, val) != 0)
-	return 1;
-
-    /*
-     * Setup THYST ( untrip point ) register - Hysteresis
-     */
-    val = (((CFG_DTT_MAX_TEMP - CFG_DTT_HYSTERESIS) * 2) << 7) & 0xff80;
-    if (dtt_write(sensor, DTT_TEMP_HYST, val) != 0)
-	return 1;
-
-    /*
-     * Setup configuraton register
-     */
-#ifdef CONFIG_DTT_AD7414
-    /* config = alert active low and disabled */
-    val = 0x60;
-#else
-    /* config = 6 sample integration, int mode, active low, and enable */
-    val = 0x18;
-#endif
-    if (dtt_write(sensor, DTT_CONFIG, val) != 0)
-	return 1;
-
-    return 0;
-} /* _dtt_init() */
-
-
-int dtt_init (void)
-{
-    int i;
-    unsigned char sensors[] = CONFIG_DTT_SENSORS;
-    const char *const header = "DTT:   ";
-
-    for (i = 0; i < sizeof(sensors); i++) {
-	if (_dtt_init(sensors[i]) != 0)
-	    printf("%s%d FAILED INIT\n", header, i+1);
-	else
-	    printf("%s%d is %i C\n", header, i+1,
-		   dtt_get_temp(sensors[i]));
-    }
-
-    return (0);
-} /* dtt_init() */
-
-int dtt_get_temp(int sensor)
-{
-    return (dtt_read(sensor, DTT_READ_TEMP) / 256);
-} /* dtt_get_temp() */
-
-#endif /* CONFIG_DTT_LM75 */
diff --git a/dtt/lm81.c b/dtt/lm81.c
deleted file mode 100644
index 03bc53d58c..0000000000
--- a/dtt/lm81.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * (C) Copyright 2006
- * Heiko Schocher, DENX Software Enginnering <hs@denx.de>
- *
- * based on dtt/lm75.c which is ...
- *
- * (C) Copyright 2001
- * Bill Hunter,  Wave 7 Optics, williamhunter@mediaone.net
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * On Semiconductor's LM81 Temperature Sensor
- */
-
-#include <common.h>
-
-#ifdef CONFIG_DTT_LM81
-#if !defined(CFG_EEPROM_PAGE_WRITE_ENABLE) || \
-	(CFG_EEPROM_PAGE_WRITE_BITS < 1)
-# error "CFG_EEPROM_PAGE_WRITE_ENABLE must be defined and CFG_EEPROM_PAGE_WRITE_BITS must be greater than  1 to use CONFIG_DTT_LM81"
-#endif
-
-#include <i2c.h>
-#include <dtt.h>
-
-/*
- * Device code
- */
-#define DTT_I2C_DEV_CODE 0x2c			/* ON Semi's LM81 device */
-
-int dtt_read(int sensor, int reg)
-{
-    int dlen = 1;
-    uchar data[2];
-
-    /*
-     * Calculate sensor address and register.
-     */
-    sensor = DTT_I2C_DEV_CODE + (sensor & 0x03); /* calculate address of lm81 */
-
-    /*
-     * Now try to read the register.
-     */
-    if (i2c_read(sensor, reg, 1, data, dlen) != 0)
-	return -1;
-
-    return (int)data[0];
-} /* dtt_read() */
-
-
-int dtt_write(int sensor, int reg, int val)
-{
-    uchar data;
-
-    /*
-     * Calculate sensor address and register.
-     */
-    sensor = DTT_I2C_DEV_CODE + (sensor & 0x03); /* calculate address of lm81 */
-
-    data = (char)(val & 0xff);
-
-    /*
-     * Write value to register.
-     */
-    if (i2c_write(sensor, reg, 1, &data, 1) != 0)
-	return 1;
-
-    return 0;
-} /* dtt_write() */
-
-#define DTT_MANU	0x3e
-#define DTT_REV		0x3f
-#define DTT_CONFIG	0x40
-#define DTT_ADR		0x48
-
-static int _dtt_init(int sensor)
-{
-	int	man;
-	int	adr;
-	int	rev;
-
-	if (dtt_write (sensor, DTT_CONFIG, 0x01) < 0)
-		return 1;
-	/* The LM81 needs 400ms to get the correct values ... */
-	udelay (400000);
-	man = dtt_read (sensor, DTT_MANU);
-	if (man != 0x01)
-		return 1;
-	adr = dtt_read (sensor, DTT_ADR);
-	if (adr < 0)
-		return 1;
-	rev = dtt_read (sensor, DTT_REV);
-	if (adr < 0)
-		return 1;
-
-	printf ("DTT:   Found LM81@%x Rev: %d\n", adr, rev);
-	return 0;
-} /* _dtt_init() */
-
-
-int dtt_init (void)
-{
-    int i;
-    unsigned char sensors[] = CONFIG_DTT_SENSORS;
-    const char *const header = "DTT:   ";
-
-    for (i = 0; i < sizeof(sensors); i++) {
-	if (_dtt_init(sensors[i]) != 0)
-	    printf("%s%d FAILED INIT\n", header, i+1);
-	else
-	    printf("%s%d is %i C\n", header, i+1,
-		   dtt_get_temp(sensors[i]));
-    }
-
-    return (0);
-} /* dtt_init() */
-
-#define TEMP_FROM_REG(temp) \
-   ((temp)<256?((((temp)&0x1fe) >> 1) * 10)	 + ((temp) & 1) * 5:  \
-	       ((((temp)&0x1fe) >> 1) -255) * 10 - ((temp) & 1) * 5)  \
-
-int dtt_get_temp(int sensor)
-{
-	int val = dtt_read (sensor, DTT_READ_TEMP);
-	int tmpcnf = dtt_read (sensor, DTT_CONFIG_TEMP);
-
-	return (TEMP_FROM_REG((val << 1) + ((tmpcnf & 0x80) >> 7))) / 10;
-} /* dtt_get_temp() */
-
-#endif /* CONFIG_DTT_LM81 */