From nobody Thu Dec 18 20:00:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9BC9C77B7C for ; Wed, 26 Apr 2023 06:35:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239626AbjDZGf4 (ORCPT ); Wed, 26 Apr 2023 02:35:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239464AbjDZGfv (ORCPT ); Wed, 26 Apr 2023 02:35:51 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 253362694; Tue, 25 Apr 2023 23:35:50 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id C98C124E1E2; Wed, 26 Apr 2023 14:35:43 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 26 Apr 2023 14:35:43 +0800 Received: from starfive-sdk.starfivetech.com (171.223.208.138) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 26 Apr 2023 14:35:42 +0800 From: Samin Guo To: , , , Peter Geis , Frank CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Andrew Lunn , "Heiner Kallweit" , Russell King , "Samin Guo" , Yanhong Wang Subject: [PATCH v1 1/2] dt-bindings: net: motorcomm: Add pad driver strength cfg Date: Wed, 26 Apr 2023 14:35:40 +0800 Message-ID: <20230426063541.15378-2-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230426063541.15378-1-samin.guo@starfivetech.com> References: <20230426063541.15378-1-samin.guo@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The motorcomm phy (YT8531) supports the ability to adjust the drive strength of the rx_clk/rx_data, the value range of pad driver strength is 0 to 7. Signed-off-by: Samin Guo --- .../devicetree/bindings/net/motorcomm,yt8xxx.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml b/= Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml index 157e3bbcaf6f..e648e486b6d8 100644 --- a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml +++ b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml @@ -18,6 +18,16 @@ properties: - ethernet-phy-id4f51.e91a - ethernet-phy-id4f51.e91b =20 + rx-clk-driver-strength: + description: drive strength of rx_clk pad. + enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ] + default: 3 + + rx-data-driver-strength: + description: drive strength of rxd/rx_ctl rgmii pad. + enum: [ 0, 1, 2, 3, 4, 5, 6, 7 ] + default: 3 + rx-internal-delay-ps: description: | RGMII RX Clock Delay used only when PHY operates in RGMII mode with --=20 2.17.1