From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Tue, 2 Feb 2016 21:21:21 +0100 Subject: [U-Boot] [PATCH] tqma6_wru4: Fix the reset delay for the the LAN8720 PHY In-Reply-To: <1454332799-22003-1-git-send-email-festevam@gmail.com> References: <1454332799-22003-1-git-send-email-festevam@gmail.com> Message-ID: <56B10FC1.5050007@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 01/02/2016 14:19, Fabio Estevam wrote: > From: Fabio Estevam > > 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 > --- > 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); > } > > Applied to u-boot-imx, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================