From: Fabio Estevam fabio.estevam@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@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); }