ppc4xx: Allow DTT_I2C_DEV_CODE configured by CFG_I2C_DTT_ADDR
On AMCC Arches board DTT_I2C_DEV_CODE is different then canyonlands
and glacier.
Signed-off-by: Victor Gallardo <vgallardo@amcc.com>
diff --git a/README b/README
index b5e4086..44b450c 100644
--- a/README
+++ b/README
@@ -1392,6 +1392,12 @@
If defined, then this indicates the I2C bus number for the DTT.
If not defined, then U-Boot assumes that DTT is on I2C bus 0.
+ CFG_I2C_DTT_ADDR:
+
+ If defined, specifies the I2C address of the DTT device.
+ If not defined, then U-Boot uses predefined value for
+ specified DTT device.
+
CONFIG_FSL_I2C
Define this option if you want to use Freescale's I2C driver in
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 8051cb2..67a18f6 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -38,7 +38,11 @@
/*
* Device code
*/
+#if defined(CFG_I2C_DTT_ADDR)
+#define DTT_I2C_DEV_CODE CFG_I2C_DTT_ADDR
+#else
#define DTT_I2C_DEV_CODE 0x48 /* ON Semi's LM75 device */
+#endif
#define DTT_READ_TEMP 0x0
#define DTT_CONFIG 0x1
#define DTT_TEMP_HYST 0x2