From: Fabio Estevam <fabio.estevam@nxp.com>
Date: Mon, 1 Feb 2016 13:19:59 +0000 (-0200)
Subject: tqma6_wru4: Fix the reset delay for the the LAN8720 PHY
X-Git-Tag: v2016.03-rc2~149
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=755a116e8e09e6b6459b1e968cc21bbfcc0b4b7b;p=u-boot

tqma6_wru4: Fix the reset delay for the the LAN8720 PHY

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@nxp.com>
---

diff --git a/board/tqc/tqma6/tqma6_wru4.c b/board/tqc/tqma6/tqma6_wru4.c
index 4427799ca8..c9a7ab7ea9 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);
 }