From patchwork Tue Apr 28 10:03:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matwey V. Kornilov" X-Patchwork-Id: 201410 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 9D2C7C83004 for ; Tue, 28 Apr 2020 10:04:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BEB1206D7 for ; Tue, 28 Apr 2020 10:04:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727788AbgD1KEi (ORCPT ); Tue, 28 Apr 2020 06:04:38 -0400 Received: from lnfm1.sai.msu.ru ([93.180.26.255]:49917 "EHLO lnfm1.sai.msu.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727107AbgD1KEh (ORCPT ); Tue, 28 Apr 2020 06:04:37 -0400 Received: from dragon.sai.msu.ru (dragon.sai.msu.ru [93.180.26.172]) by lnfm1.sai.msu.ru (8.14.1/8.12.8) with ESMTP id 03SA3tiw019532; Tue, 28 Apr 2020 13:04:00 +0300 Received: from oak.local (unknown [188.123.231.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by dragon.sai.msu.ru (Postfix) with ESMTPSA id 1C034EB39; Tue, 28 Apr 2020 13:03:56 +0300 (MSK) From: "Matwey V. Kornilov" To: Rob Herring , Michal Simek , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/ZYNQ ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Cc: matwey.kornilov@gmail.com, "Matwey V. Kornilov" , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/ZYNQ ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2] ARM: dts: zynq: Fix ethernet PHY for v5 schematics Date: Tue, 28 Apr 2020 13:03:49 +0300 Message-Id: <20200428100350.12699-1-matwey@sai.msu.ru> X-Mailer: git-send-email 2.25.0 In-Reply-To: <752db40d-5aed-4a97-a050-bc1376547f87@xilinx.com> References: <752db40d-5aed-4a97-a050-bc1376547f87@xilinx.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org There are at least two different versions existing for MYIR Zturn: * v4 schematics has Atheros AR8035 PHY at 0b000 http://www.myirtech.com/download/Zynq7000/Z-TURNBOARD_schematic.pdf * v5 schematics has Micrel KSZ9031 PHY at 0b011 v5 schematics available at DVD disk supplied with the board Specify both PHYs to make ethernet interface working for any board revision. This commit relies on of_mdiobus_register() behavior. When phy-handle is missed, every nested PHY node is considered, while ENODEVs are ignored. Before the patch: [ 28.295002] macb e000b000.ethernet eth0: Could not attach PHY (-19) After the patch: [ 28.257365] macb e000b000.ethernet eth0: PHY [e000b000.ethernet-ffffffff:00] driver [Micrel KSZ9031 Gigabit PHY] (irq=POLL) [ 28.257384] macb e000b000.ethernet eth0: configuring for phy/rgmii-id link mode Signed-off-by: Matwey V. Kornilov --- Changes since v1: - reworded commit message arch/arm/boot/dts/zynq-zturn.dts | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/zynq-zturn.dts b/arch/arm/boot/dts/zynq-zturn.dts index 5ec616ebca08..07da9cf60d02 100644 --- a/arch/arm/boot/dts/zynq-zturn.dts +++ b/arch/arm/boot/dts/zynq-zturn.dts @@ -67,10 +67,17 @@ &gem0 { status = "okay"; phy-mode = "rgmii-id"; - phy-handle = <ðernet_phy>; - ethernet_phy: ethernet-phy@0 { - reg = <0x0>; + ethernet-phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + max-speed = <1000>; + }; + + ethernet-phy@3 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <3>; + max-speed = <1000>; }; };