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> Acked-by: Akshay Bhat <akshay.bhat@timesys.com>

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> Acked-by: Akshay Bhat <akshay.bhat@timesys.com>
Yung-Ching LIN · Stefano Babic
1 parent fc9ade56e3
Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff
board/advantech/dms-ba16/dms-ba16.c
@@ -103,8 +103,9 @@
  
 	/* 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[] = {
...	...	@@ -103,8 +103,9 @@
103	103
104	104	/* Reset AR8033 PHY */
105	105	gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
106		- udelay(500);
	106	+ mdelay(10);
107	107	gpio_set_value(IMX_GPIO_NR(1, 28), 1);
	108	+ mdelay(1);
108	109	}
109	110
110	111	static iomux_v3_cfg_t const usdhc2_pads[] = {