From patchwork Tue Nov 17 20:15:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 326225 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=-18.8 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 1DBB7C64E7A for ; Tue, 17 Nov 2020 20:16:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B453722202 for ; Tue, 17 Nov 2020 20:16:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ZFQesfAk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731706AbgKQUQT (ORCPT ); Tue, 17 Nov 2020 15:16:19 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:51092 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726851AbgKQUQQ (ORCPT ); Tue, 17 Nov 2020 15:16:16 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0AHKGCch066056; Tue, 17 Nov 2020 14:16:12 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1605644172; bh=WvkCGz2iuxVOMGMnfv0mX3hEFweRTvsdysXYnm8TVkI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ZFQesfAkwr1MZ9oRK+d2g99Z4zi017ts3hAn0P/zCvTJ1KreWib933xGeeR3jSHvd t10M4MNfHhM2EgGOf649HseDhMEjd+qm8t8vba0tsqCE40E+vHmL39GTas+FDT1DZ7 kbq0ve0z20ZpMVG5bC9sY/L+4BUi8IlhLaJtGR48= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0AHKGCvY016165 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 17 Nov 2020 14:16:12 -0600 Received: from DLEE110.ent.ti.com (157.170.170.21) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 17 Nov 2020 14:16:12 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 17 Nov 2020 14:16:12 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0AHKGBxY096100; Tue, 17 Nov 2020 14:16:12 -0600 From: Dan Murphy To: , , , , , CC: , , , Dan Murphy Subject: [PATCH net-next v4 2/4] dt-bindings: net: Add Rx/Tx output configuration for 10base T1L Date: Tue, 17 Nov 2020 14:15:53 -0600 Message-ID: <20201117201555.26723-3-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201117201555.26723-1-dmurphy@ti.com> References: <20201117201555.26723-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Per the 802.3cg spec the 10base T1L can operate at 2 different differential voltages 1v p2p and 2.4v p2p. The abiility of the PHY to drive that output is dependent on the PHY's on board power supply. This common feature is applicable to all 10base T1L PHYs so this binding property belongs in a top level ethernet document. Signed-off-by: Dan Murphy --- Documentation/devicetree/bindings/net/ethernet-phy.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml index 6dd72faebd89..bda1ce51836b 100644 --- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml +++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml @@ -174,6 +174,12 @@ properties: PHY's that have configurable TX internal delays. If this property is present then the PHY applies the TX delay. + max-tx-rx-p2p-microvolt: + description: | + Configures the Tx/Rx p2p differential output voltage for 10base-T1L PHYs. + enum: [ 1100, 2400 ] + default: 2400 + required: - reg