summaryrefslogtreecommitdiff
path: root/drivers/i2c/mxc_i2c.c
diff options
context:
space:
mode:
authorTroy Kisky <troy.kisky@boundarydevices.com>2012-07-19 08:18:20 +0000
committerHeiko Schocher <hs@denx.de>2012-07-31 07:59:41 +0200
commit9815326d043b08f7ad355e53b8b7027634507879 (patch)
treec6749349ddd605fb157b945a4238f4155e9cd190 /drivers/i2c/mxc_i2c.c
parent96c19bd3ef45394acd846d561657bba4c1dc613f (diff)
downloadu-boot-imx-9815326d043b08f7ad355e53b8b7027634507879.zip
u-boot-imx-9815326d043b08f7ad355e53b8b7027634507879.tar.gz
u-boot-imx-9815326d043b08f7ad355e53b8b7027634507879.tar.bz2
mxc_i2c: finish adding CONFIG_I2C_MULTI_BUS support
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Diffstat (limited to 'drivers/i2c/mxc_i2c.c')
-rw-r--r--drivers/i2c/mxc_i2c.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index c00ead1..73d8958 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -416,6 +416,23 @@ static int i2c_idle_bus(void *base)
return 0;
}
+#ifdef CONFIG_I2C_MULTI_BUS
+unsigned int i2c_get_bus_num(void)
+{
+ return srdata.curr_i2c_bus;
+}
+
+int i2c_set_bus_num(unsigned bus_idx)
+{
+ if (bus_idx >= ARRAY_SIZE(srdata.i2c_data))
+ return -1;
+ if (!srdata.i2c_data[bus_idx].base)
+ return -1;
+ srdata.curr_i2c_bus = bus_idx;
+ return 0;
+}
+#endif
+
int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
{
return bus_i2c_read(get_base(), chip, addr, alen, buf, len);