From patchwork Wed Apr 15 16:00:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 201982 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8AB65C3815B for ; Wed, 15 Apr 2020 16:01:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B6D621556 for ; Wed, 15 Apr 2020 16:01:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586966494; bh=Whr+LkPvddPEdlzax+7iuEmKEeTaxYdFoa0JhjAYMp0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Lwipk176dRhImHNTsoxeqkxf+9Yp6pOTRLQAongR8YiFBsURbitZf4h/PDK2UZS6d K553HkvB/FFdTc253YgxlC7pumBbDRPPrj1mIQSPVFdubqj8WX5F0I7OZW438IWgbI vx7gWqd2uMd9iy+RLhvbQluH7Tgd/SSOMXt75NOA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1415149AbgDOQBc (ORCPT ); Wed, 15 Apr 2020 12:01:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:52290 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1415142AbgDOQB0 (ORCPT ); Wed, 15 Apr 2020 12:01:26 -0400 Received: from pali.im (pali.im [31.31.79.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id ECE3D208FE; Wed, 15 Apr 2020 16:01:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586966486; bh=Whr+LkPvddPEdlzax+7iuEmKEeTaxYdFoa0JhjAYMp0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I+6fg/CJTctkQzt5X9MhH3chom+dZFcBbS3wXE82ZJD9pbWepWuch9jt7R1BpISBE 2f0wyE+t78HFjA2s5qxZAyXjFiyaLADrDwiy7r2vPTIFfIMrmrG+cj2fWNrXw+qXuo xEw9Ez+PiABBxv8f10yKG5VcEFDyL0isUG/kp4cQ= Received: by pali.im (Postfix) id 4FA4958E; Wed, 15 Apr 2020 18:01:24 +0200 (CEST) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Thomas Petazzoni , Lorenzo Pieralisi , Andrew Murray , Bjorn Helgaas , Remi Pommarel , =?utf-8?q?Marek_Beh=C3=BAn?= , Tomasz Maciej Nowak , Xogium Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH 2/8] dts: espressobin: Define max-link-speed for pcie0 Date: Wed, 15 Apr 2020 18:00:48 +0200 Message-Id: <20200415160054.951-3-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200415160054.951-1-pali@kernel.org> References: <20200415160054.951-1-pali@kernel.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Previously aardvark PCI controller set speed to gen2. Now it reads speed from Device Tree and as default use maximal possible speed which is gen3. Because Espressobin has advertised only PCI Express 2.0 capability and previous value was gen2, define max-link-speed to 2, so there would not be any configuration change. Signed-off-by: Pali Rohár --- arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi index 42e992f9c8a5..6705618162d5 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi @@ -47,6 +47,7 @@ phys = <&comphy1 0>; pinctrl-names = "default"; pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>; + max-link-speed = <2>; }; /* J6 */