In order to avoid effecting some i2c devices
mounted on default channel, return the default
channel after retimer initialization.

Signed-off-by: Wenbin Song <wenbin.s...@nxp.com>
---
 board/freescale/ls1043aqds/ls1043aqds.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/board/freescale/ls1043aqds/ls1043aqds.c 
b/board/freescale/ls1043aqds/ls1043aqds.c
index a72fe52..fba6b88 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -170,8 +170,7 @@ void board_retimer_init(void)
        u8 reg;
 
        /* Retimer is connected to I2C1_CH7_CH5 */
-       reg = I2C_MUX_CH7;
-       i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &reg, 1);
+       select_i2c_ch_pca9547(I2C_MUX_CH7);
        reg = I2C_MUX_CH5;
        i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, &reg, 1);
 
@@ -219,6 +218,9 @@ void board_retimer_init(void)
        i2c_write(I2C_RETIMER_ADDR, 0x63, 1, &reg, 1);
        reg = 0xcd;
        i2c_write(I2C_RETIMER_ADDR, 0x64, 1, &reg, 1);
+
+       /* Return the default channel */
+       select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
 }
 
 int board_early_init_f(void)
-- 
2.1.0.27.g96db324

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to