[U-Boot] [PATCH v2 2/3] armv8/ls1043aqds: Return i2c mux to default chennel

Return i2c mux to the default channel after accessing retimer.

Signed-off-by: Wenbin Song wenbin.song@nxp.com --- Change for v2: -Rework the commit message and the subject --- 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)