From patchwork Wed Sep 29 22:04:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tim Harvey X-Patchwork-Id: 1534559 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4HKVmV2LCHz9t1C for ; Thu, 30 Sep 2021 08:05:14 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 479D180A53; Thu, 30 Sep 2021 00:05:02 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=gateworks.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id A8D2F80A53; Thu, 30 Sep 2021 00:04:37 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 Received: from finn.localdomain (finn.gateworks.com [108.161.129.64]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 47E9280C58 for ; Thu, 30 Sep 2021 00:04:28 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=gateworks.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=tharvey@gateworks.com Received: from 068-189-091-139.biz.spectrum.com ([68.189.91.139] helo=tharvey.pdc.gateworks.com) by finn.localdomain with esmtp (Exim 4.93) (envelope-from ) id 1mVhgf-0070bJ-P4; Wed, 29 Sep 2021 22:04:25 +0000 From: Tim Harvey To: u-boot@lists.denx.de, Stefano Babic , Fabio Estevam , "NXP i . MX U-Boot Team" Cc: Tim Harvey Subject: [PATCH 3/7] imx: ventana: remove phy gpio reset from dt Date: Wed, 29 Sep 2021 15:04:18 -0700 Message-Id: <20210929220422.13661-3-tharvey@gateworks.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210929220422.13661-1-tharvey@gateworks.com> References: <20210929220422.13661-1-tharvey@gateworks.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean We configure network phy configuration for internal delay, LED config, and clock config. If we leave the phy reset gpio defined in dt the kernel may issue a reset to the phy and break these configs. While some may be handled by a kernel phy driver, others may not (typically LED config). Signed-off-by: Tim Harvey --- board/gateworks/gw_ventana/gw_ventana.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c index 79629828d0..16468060f7 100644 --- a/board/gateworks/gw_ventana/gw_ventana.c +++ b/board/gateworks/gw_ventana/gw_ventana.c @@ -1047,6 +1047,14 @@ int ft_board_setup(void *blob, struct bd_info *bd) ft_board_pci_fixup(blob, bd); #endif + /* + * remove reset gpio control as we configure the PHY registers + * for internal delay, LED config, and clock config in the bootloader + */ + i = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-fec"); + if (i) + fdt_delprop(blob, i, "phy-reset-gpios"); + /* * Peripheral Config: * remove nodes by alias path if EEPROM config tells us the