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banners=-,-,- X-VirusChecked: Checked Received: (qmail 5737 invoked from network); 20 Mar 2019 12:06:05 -0000 Received: from unknown (HELO sw-ex-cashub01.diasemi.com) (193.240.73.197) by server-15.tower-282.messagelabs.com with AES128-SHA256 encrypted SMTP; 20 Mar 2019 12:06:05 -0000 Received: from swsrvapps-01.diasemi.com (10.20.28.141) by SW-EX-CASHUB01.diasemi.com (10.20.16.140) with Microsoft SMTP Server id 14.3.408.0; Wed, 20 Mar 2019 12:06:04 +0000 Received: by swsrvapps-01.diasemi.com (Postfix, from userid 22547) id 7D99B3FBE9; Wed, 20 Mar 2019 12:06:04 +0000 (GMT) From: Steve Twiss Date: Wed, 20 Mar 2019 11:03:50 +0000 Subject: [PATCH] ARM: dts: imx6qdl-sabresd: change phy-mode to use rgmii-id To: Rob Herring , Mark Rutland , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team Message-ID: <20190320120604.7D99B3FBE9@swsrvapps-01.diasemi.com> MIME-Version: 1.0 X-KSE-AttachmentFiltering-Interceptor-Info: protection disabled X-KSE-ServerInfo: sw-ex-cashub01.diasemi.com, 9 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 20/03/2019 09:36:00 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190320_050616_301757_40768AF2 X-CRM114-Status: GOOD ( 12.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: DEVICETREE , LKML , LINUX-ARM-KERNEL , Dialog Opensource Support Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The PHY used on the Freescale i.MX6Q/DL SABRE boards is qualified as 'rgmii' instead of 'rgmii-id'. Meaning the RX and TX delays that were previously added by the MAC when required, but are now provided internally by the PHY (and the MAC should no longer add the RX or TX delays in this case). This patch fixes the network problems seen on the Freescale i.MX6Q/DL SABRE boards and makes a difference when correctly loading the NFS rootfs on startup. Link: https://lkml.kernel.org/r/1397569821-5530-4-git-send-email-thomas.petazzoni@free-electrons.com Tested-by: Steve Twiss Tested-by: Adam Thomson Signed-off-by: Steve Twiss --- arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi index a070506..185fb17 100644 --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi @@ -202,7 +202,7 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; status = "okay"; };