From 0254006b29fcb960ef8c3188eab12a39845719f0 Mon Sep 17 00:00:00 2001 From: Yung-Ching LIN Date: Wed, 29 Mar 2017 01:51:24 +0800 Subject: [PATCH] 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 Acked-by: Akshay Bhat --- 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[] = { -- 2.39.5