[U-Boot] [PATCH] tqma6_wru4: Fix the reset delay for the the LAN8720 PHY
Fabio Estevam
festevam at gmail.com
Mon Feb 1 14:19:59 CET 2016
From: Fabio Estevam <fabio.estevam at nxp.com>
According to the LAN8720 datasheet tpurstd (time that reset line should
stay asserted) is 25ms.
So do as suggested by the LAN8720 datasheet.
Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
---
board/tqc/tqma6/tqma6_wru4.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/board/tqc/tqma6/tqma6_wru4.c b/board/tqc/tqma6/tqma6_wru4.c
index 4427799..c9a7ab7 100644
--- a/board/tqc/tqma6/tqma6_wru4.c
+++ b/board/tqc/tqma6/tqma6_wru4.c
@@ -177,7 +177,7 @@ static void setup_iomuxc_enet(void)
ret = gpio_request(ENET_PHY_RESET_GPIO, "phy-reset");
if (!ret)
gpio_direction_output(ENET_PHY_RESET_GPIO , 0);
- udelay(1000);
+ udelay(25000);
gpio_set_value(ENET_PHY_RESET_GPIO, 1);
}
--
1.9.1
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