[U-Boot] [PATCH 3/4] board: advantech: dms-ba16: fix AR8033 reset timing issue

Add the delay (10ms) to ensure the clock is stable and to meet the clock-to-reset(1ms) requirement recommended in the AR8033 datasheet

Signed-off-by: Ken Lin yungching0725@gmail.com --- board/advantech/dms-ba16/dms-ba16.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/board/advantech/dms-ba16/dms-ba16.c b/board/advantech/dms-ba16/dms-ba16.c index 8aa7ff1659..75b0bbc2cc 100644 --- a/board/advantech/dms-ba16/dms-ba16.c +++ b/board/advantech/dms-ba16/dms-ba16.c @@ -103,8 +103,9 @@ static void setup_iomux_enet(void)

/* Reset AR8033 PHY */ gpio_direction_output(IMX_GPIO_NR(1, 28), 0); - udelay(500); + mdelay(10); gpio_set_value(IMX_GPIO_NR(1, 28), 1); + mdelay(1); }

static iomux_v3_cfg_t const usdhc2_pads[] = {