/*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
-#ifdef CONFIG_DTT_DS1775
#include <i2c.h>
#include <dtt.h>
-#define DTT_I2C_DEV_CODE CFG_I2C_DTT_ADDR /* Dallas Semi's DS1775 device code */
+#define DTT_I2C_DEV_CODE CONFIG_SYS_I2C_DTT_ADDR /* Dallas Semi's DS1775 device code */
+#define DTT_READ_TEMP 0x0
+#define DTT_CONFIG 0x1
+#define DTT_TEMP_HYST 0x2
+#define DTT_TEMP_OS 0x3
int dtt_read(int sensor, int reg)
{
}
-static int _dtt_init(int sensor)
+int dtt_init_one(int sensor)
{
int val;
/*
* Setup High Temp
*/
- val = ((CFG_DTT_MAX_TEMP * 2) << 7) & 0xff80;
+ val = ((CONFIG_SYS_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;
+ val = (((CONFIG_SYS_DTT_MAX_TEMP - CONFIG_SYS_DTT_HYSTERESIS) * 2) << 7) & 0xff80;
if (dtt_write(sensor, DTT_TEMP_HYST, 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 */