From patchwork Mon Apr 17 10:02:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samin Guo X-Patchwork-Id: 673988 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 6FE7FC77B72 for ; Mon, 17 Apr 2023 10:22:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230290AbjDQKWn (ORCPT ); Mon, 17 Apr 2023 06:22:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231139AbjDQKWe (ORCPT ); Mon, 17 Apr 2023 06:22:34 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB1F16187; Mon, 17 Apr 2023 03:21:38 -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 fd01.gateway.ufhost.com (Postfix) with ESMTP id 1A0D324E287; Mon, 17 Apr 2023 18:02:57 +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; Mon, 17 Apr 2023 18:02:56 +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; Mon, 17 Apr 2023 18:02:55 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Pedro Moreira , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [-net-next v12 3/6] dt-bindings: net: snps,dwmac: Add 'ahb' reset/reset-name Date: Mon, 17 Apr 2023 18:02:48 +0800 Message-ID: <20230417100251.11871-4-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230417100251.11871-1-samin.guo@starfivetech.com> References: <20230417100251.11871-1-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: devicetree@vger.kernel.org According to: stmmac_platform.c: stmmac_probe_config_dt stmmac_main.c: stmmac_dvr_probe dwmac controller may require one (stmmaceth) or two (stmmaceth+ahb) reset signals, and the maxItems of resets/reset-names is going to be 2. The gmac of Starfive Jh7110 SOC must have two resets. it uses snps,dwmac-5.20 IP. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Samin Guo --- .../devicetree/bindings/net/snps,dwmac.yaml | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 01b056ab71f7..e4519cf722ab 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -133,12 +133,16 @@ properties: - ptp_ref resets: - maxItems: 1 - description: - MAC Reset signal. + minItems: 1 + items: + - description: GMAC stmmaceth reset + - description: AHB reset reset-names: - const: stmmaceth + minItems: 1 + items: + - const: stmmaceth + - const: ahb power-domains: maxItems: 1