Socrates: add support for DS75 Digital Thermo Sensor on I2C bus.

Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com>

diff --git a/include/configs/socrates.h b/include/configs/socrates.h
index 6bdef34..8595668 100644 (file)
--- a/include/configs/socrates.h
+++ b/include/configs/socrates.h
@@ -206,6 +206,16 @@
 #define CONFIG_RTC_RX8025              /* Use Epson rx8025 rtc via i2c */
 #define CFG_I2C_RTC_ADDR       0x32    /* at address 0x32              */
 
+/* I2C temp sensor */
+/* Socrates uses Maxim's       DS75, which is compatible with LM75 */
+#define CONFIG_DTT_LM75                1
+#define CONFIG_DTT_SENSORS     {4}             /* Sensor addresses     */
+#define CFG_DTT_MAX_TEMP       125
+#define CFG_DTT_LOW_TEMP       -55
+#define CFG_DTT_HYSTERESIS     3
+#define CFG_EEPROM_PAGE_WRITE_ENABLE   /* necessary for the LM75 chip */
+#define CFG_EEPROM_PAGE_WRITE_BITS     4
+
 /* RapidIO MMU */
 #define CFG_RIO_MEM_BASE       0xc0000000      /* base address         */
 #define CFG_RIO_MEM_PHYS       CFG_RIO_MEM_BASE
@@ -293,7 +303,7 @@
 
 #define CONFIG_CMD_DATE
 #define CONFIG_CMD_DHCP
-#undef CONFIG_CMD_DTT
+#define CONFIG_CMD_DTT
 #undef CONFIG_CMD_EEPROM
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_MII