Add GPL-2.0+ SPDX-License-Identifier to source files

[people/ms/u-boot.git] / drivers / hwmon / ds1775.c

diff --git a/drivers/hwmon/ds1775.c b/drivers/hwmon/ds1775.c
index e44cee3279c72942d1f0f927d17e0a72c162fb1d..b95b130d926195b0efda75cab81aa84c9a4d1eed 100644 (file)
--- a/drivers/hwmon/ds1775.c
+++ b/drivers/hwmon/ds1775.c
@@ -1,18 +1,5 @@
 /*
- * 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+
  */
 
 /*
@@ -21,11 +8,14 @@
 
 #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 */
+#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)
 {
@@ -95,14 +85,14 @@ int dtt_write(int sensor, int reg, int val)
 }
 
 
-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 */
@@ -110,7 +100,7 @@ static int _dtt_init(int sensor)
        /*
         * 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 */
@@ -130,27 +120,7 @@ static int _dtt_init(int sensor)
        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 */