From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757427AbdJKLyo (ORCPT ); Wed, 11 Oct 2017 07:54:44 -0400 Received: from smtprelay04.ispgateway.de ([80.67.31.27]:48268 "EHLO smtprelay04.ispgateway.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757235AbdJKLyl (ORCPT ); Wed, 11 Oct 2017 07:54:41 -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 06/12] ARM: dts: imx6-tx6: specify ethernet phy reset duration Date: Wed, 11 Oct 2017 13:50:29 +0200 Message-Id: <1507722635-30801-7-git-send-email-LW@KARO-electronics.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1507722635-30801-1-git-send-email-LW@KARO-electronics.de> References: <1507722635-30801-1-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 TX6 modules. Using a phy-reset-duration of at least 2ms alleviates this problem. Signed-off-by: Lothar Waßmann --- arch/arm/boot/dts/imx6qdl-tx6.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi index aa32956..c6b2d63 100644 --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi @@ -249,6 +249,7 @@ clock-names = "ipg", "ahb", "ptp", "enet_out"; phy-mode = "rmii"; phy-reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>; + phy-reset-post-delay = <10>; phy-handle = <&etnphy>; phy-supply = <®_3v3_etn>; status = "okay"; -- 2.1.4