From mboxrd@z Thu Jan 1 00:00:00 1970 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=-15.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 4C024C4708A for ; Thu, 27 May 2021 15:13:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2FBF0613AA for ; Thu, 27 May 2021 15:13:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236937AbhE0POs (ORCPT ); Thu, 27 May 2021 11:14:48 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:51610 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236920AbhE0POq (ORCPT ); Thu, 27 May 2021 11:14:46 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 14RFD6jG127610; Thu, 27 May 2021 10:13:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1622128386; bh=5yy9IfeCyTMfVS0RXfRBU7GxvHu0VuAZs0qSRBLLNFY=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=XPuiEoBo0MPjZ1pwOBAmtj1AHvI0y4IiQgtqsOFqnPkFcMDec4Xi8YDoiBDkIyuyH v3zTTOTC7WBWDb1leTIcpLIZXQrQvAdXrUowxocyHO470b9qP1i+t2XMyDHOOSrIM+ BquwUe9rmR+vzuJYA7Dv6YrMXVHPQ5PlJFR1hFdc= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 14RFD6oX093440 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 27 May 2021 10:13:06 -0500 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 27 May 2021 10:13:06 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Thu, 27 May 2021 10:13:06 -0500 Received: from [10.250.100.73] (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 14RFD26S072986; Thu, 27 May 2021 10:13:02 -0500 Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-j721e-main: Add ICSSG MDIO nodes To: Suman Anna , Nishanth Menon CC: Jan Kiszka , Vignesh Raghavendra , Kishon Vijay Abraham I , Lokesh Vutla , Grzegorz Jaszczyk , , References: <20210514224759.9987-1-s-anna@ti.com> <20210514224759.9987-3-s-anna@ti.com> From: Grygorii Strashko Message-ID: <499b9667-30c5-851a-0449-adadd594e5e7@ti.com> Date: Thu, 27 May 2021 18:13:03 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210514224759.9987-3-s-anna@ti.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 15/05/2021 01:47, Suman Anna wrote: > The ICSSGs on K3 J721E SoCs contain an MDIO controller that can > be used to control external PHYs associated with the Industrial > Ethernet peripherals within each ICSSG instance. The MDIO module > used within the ICSSG is similar to the MDIO Controller used > in TI Davinci SoCs. A bus frequency of 1 MHz is chosen for the > MDIO operations. > > The nodes are added and enabled in the common k3-j721e-main.dtsi > file by default, and disabled in the existing J721E board dts > file. These nodes need pinctrl lines, and so should be enabled > only on boards where they are actually wired and pinned out for > ICSSG Ethernet. Any new board dts file should disable these if > they are not sure. > > Signed-off-by: Suman Anna > --- > .../dts/ti/k3-j721e-common-proc-board.dts | 8 ++++++++ > arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 20 +++++++++++++++++++ > 2 files changed, 28 insertions(+) > Reviewed-by: Grygorii Strashko -- Best regards, grygorii