mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-10-03 01:50:43 +09:00
1c6fe6eac7
This patch adds support for the National LM63 temperature sensor with integrated fan control. It's used on the GDSys Neo board (405EP) which will be submitted later. Signed-off-by: Dirk Eibach <eibach@gdsys.de> Acked-by: Stefan Roese <sr@denx.de>
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/*
|
|
* (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
|
|
*/
|
|
|
|
/*
|
|
* Digital Thermometers and Thermostats.
|
|
*/
|
|
#ifndef _DTT_H_
|
|
#define _DTT_H_
|
|
|
|
#if defined(CONFIG_DTT_ADM1021) || \
|
|
defined(CONFIG_DTT_ADT7460) || \
|
|
defined(CONFIG_DTT_DS1621) || \
|
|
defined(CONFIG_DTT_DS1775) || \
|
|
defined(CONFIG_DTT_LM63) || \
|
|
defined(CONFIG_DTT_LM73) || \
|
|
defined(CONFIG_DTT_LM75) || \
|
|
defined(CONFIG_DTT_LM81)
|
|
|
|
#define CONFIG_DTT /* We have a DTT */
|
|
|
|
#ifndef CONFIG_DTT_ADM1021
|
|
#define DTT_COMMERCIAL_MAX_TEMP 70 /* 0 - +70 C */
|
|
#define DTT_INDUSTRIAL_MAX_TEMP 85 /* -40 - +85 C */
|
|
#define DTT_AUTOMOTIVE_MAX_TEMP 105 /* -40 - +105 C */
|
|
|
|
#ifndef CFG_DTT_MAX_TEMP
|
|
#define CFG_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP
|
|
#endif
|
|
|
|
#ifndef CFG_DTT_HYSTERESIS
|
|
#define CFG_DTT_HYSTERESIS 5 /* 5 C */
|
|
#endif
|
|
#endif /* CONFIG_DTT_ADM1021 */
|
|
|
|
extern int dtt_init (void);
|
|
extern int dtt_read(int sensor, int reg);
|
|
extern int dtt_write(int sensor, int reg, int val);
|
|
extern int dtt_get_temp(int sensor);
|
|
#endif
|
|
|
|
#endif /* _DTT_H_ */
|