From patchwork Fri Mar 24 02:28:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Samin X-Patchwork-Id: 13186354 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DB61DC761AF for ; Fri, 24 Mar 2023 02:29:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=k1/tSkDteoWnHYpMEtp+507zbwQE6nYpAXa3Sam1QoY=; b=oi94y8GUxrYIVU Zsf+B8eC6jr50sY57MPrIWaDycS7L+I2I9KuvXYCLk/usdilWJouN1JKFChE2/kC2kgZJuJleRga+ NIZ6n5bgarawQmu3Nd3GHwjZ6R0cN7WkLaIVc5lCbAvoUhlXz6MRBhl3NHkPe9lmeIHJMWwrAG93E AlNlCpTI6IHibzmHdPz/u3DDHeQBp3u2eOU+GpDcC6X7OEHxk5EY7YlM7VjmSSO5zmdKtb7Nm48s5 2DbdwfJykA/QynkvLF4ngp3pWJ5NQgPDyBefDBEZEWf5dkKA5YGsmaUUbqVa1rhE83o9EFv4Bp45n CvslOyge79rInVTmkiuw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pfXAw-003Oju-1Q; Fri, 24 Mar 2023 02:29:06 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pfXAs-003Oaf-2l for linux-riscv@lists.infradead.org; Fri, 24 Mar 2023 02:29:04 +0000 Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id BA51424DF02; Fri, 24 Mar 2023 10:28:24 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 24 Mar 2023 10:28:24 +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; Fri, 24 Mar 2023 10:28:23 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Jose Abreu , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [PATCH v8 3/6] dt-bindings: net: snps,dwmac: Add 'ahb' reset/reset-name Date: Fri, 24 Mar 2023 10:28:16 +0800 Message-ID: <20230324022819.2324-4-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230324022819.2324-1-samin.guo@starfivetech.com> References: <20230324022819.2324-1-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230323_192903_197897_A35EFA88 X-CRM114-Status: UNSURE ( 9.69 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.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