From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758084AbdJMKn5 (ORCPT ); Fri, 13 Oct 2017 06:43:57 -0400 Received: from smtprelay02.ispgateway.de ([80.67.18.44]:54473 "EHLO smtprelay02.ispgateway.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757796AbdJMKnO (ORCPT ); Fri, 13 Oct 2017 06:43:14 -0400 From: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= To: Fabio Estevam , Mark Rutland , Rob Herring , Russell King , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= Subject: [PATCH 2/7] ARM: dts: imx6ul-txul: specify ethernet phy reset post-delay Date: Fri, 13 Oct 2017 12:42:58 +0200 Message-Id: <1507891383-15452-3-git-send-email-LW@KARO-electronics.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1507891383-15452-1-git-send-email-LW@KARO-electronics.de> References: <1507891383-15452-1-git-send-email-LW@KARO-electronics.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Df-Sender: bHdAa2Fyby1lbGVjdHJvbmljcy5kZQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Under certain circumstances the ethernet PHY cannot be detected on Ka-Ro electronics TXUL modules. Using a phy-reset-post-delay of > 5ms alleviates this problem. Specify a value of 10ms to be on the safe side. Signed-off-by: Lothar Waßmann --- arch/arm/boot/dts/imx6ul-tx6ul.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi index d30c4e05..9e2a966 100644 --- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi @@ -308,6 +308,7 @@ pinctrl-0 = <&pinctrl_enet1 &pinctrl_enet1_mdio &pinctrl_etnphy0_rst>; phy-mode = "rmii"; phy-reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>; + phy-reset-post-delay = <10>; phy-supply = <®_3v3_etn>; phy-handle = <&etnphy0>; status = "okay"; -- 2.1.4