From patchwork Thu Jul 29 22:46:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 12410033 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=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 955ABC19F3B for ; Thu, 29 Jul 2021 22:46:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7159860F46 for ; Thu, 29 Jul 2021 22:46:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233701AbhG2Wqj (ORCPT ); Thu, 29 Jul 2021 18:46:39 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:60430 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233098AbhG2Wqi (ORCPT ); Thu, 29 Jul 2021 18:46:38 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 16TMkLTx036075; Thu, 29 Jul 2021 17:46:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1627598781; bh=vM/yAiJxeF9QjfZ+Zxw224o28OaO1uD4tG4H/TVHmvs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=lljMEU1Nfs9KbTgqIF7iCK4l/x8zs3Y65H64b2wD6YAJx7J/DMlk+SoxYaa9Z6bP8 fJh+yg1wOwyyp3vUYkPjCF0ApHHwm2hpA70HifMINuinb+IlntLLdHPxCw/E9iuBS4 aLF2HsNvBlId48SfecyGVwp46sitWwT1RLFsNsjE= Received: from DFLE104.ent.ti.com (dfle104.ent.ti.com [10.64.6.25]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 16TMkLq8010649 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 29 Jul 2021 17:46:21 -0500 Received: from DFLE100.ent.ti.com (10.64.6.21) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 29 Jul 2021 17:46:21 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE100.ent.ti.com (10.64.6.21) 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, 29 Jul 2021 17:46:21 -0500 Received: from lelv0597.itg.ti.com (lelv0597.itg.ti.com [10.181.64.32]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 16TMkLqW073994; Thu, 29 Jul 2021 17:46:21 -0500 Received: from localhost ([10.250.38.176]) by lelv0597.itg.ti.com (8.14.7/8.14.7) with ESMTP id 16TMkLkY016255; Thu, 29 Jul 2021 17:46:21 -0500 From: Suman Anna To: Tony Lindgren CC: Grygorii Strashko , Kishon Vijay Abraham I , Lokesh Vutla , Vignesh Raghavendra , , , , Suman Anna Subject: [PATCH 02/11] ARM: dts: am33xx-l4: Add PRUSS MDIO controller node Date: Thu, 29 Jul 2021 17:46:12 -0500 Message-ID: <20210729224621.2295-3-s-anna@ti.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210729224621.2295-1-s-anna@ti.com> References: <20210729224621.2295-1-s-anna@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org The PRUSS on AM335x SoCs has a MDIO sub-module that can be used to control external PHYs associated with the Industrial Ethernet peripherals within the PRUSS. The MDIO module used within the PRU-ICSS is an instance of the MDIO Controller used in TI Davinci SoCs. The same bus frequency of 1 MHz is chosen as the regular MDIO node. The node is added to the common am33xx-l4.dtsi file and is disabled. This needs to be enabled in the respective board files using the relevant AM335x SoCs supporting PRUSS and where the ethernet is pinned out and connected properly. Signed-off-by: Suman Anna --- arch/arm/boot/dts/am33xx-l4.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi b/arch/arm/boot/dts/am33xx-l4.dtsi index 148176361b4e..c9629cb5ccd1 100644 --- a/arch/arm/boot/dts/am33xx-l4.dtsi +++ b/arch/arm/boot/dts/am33xx-l4.dtsi @@ -923,6 +923,17 @@ pru1: pru@38000 { reg-names = "iram", "control", "debug"; firmware-name = "am335x-pru1-fw"; }; + + pruss_mdio: mdio@32400 { + compatible = "ti,davinci_mdio"; + reg = <0x32400 0x90>; + clocks = <&dpll_core_m4_ck>; + clock-names = "fck"; + bus_freq = <1000000>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; }; };