From patchwork Mon Dec 16 05:39:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 11293375 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AC24813B6 for ; Mon, 16 Dec 2019 05:40:28 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 88B4320725 for ; Mon, 16 Dec 2019 05:40:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="g9lFoiHS"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="SLD234SH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 88B4320725 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=uiyxA+wLzTABQKkV1rRvA6NHNgIfqpRQEbV9KYsqSAY=; b=g9lFoiHS7iovSe 1r/hsu4pDIvxRuNRG431VWIQ8fOi3JdBf9/iMgM9ikCQxoLhkdTpCwTw5tHKJbwGnTGcEltOF2j9N 3742TV6cyhC7g5OmAJeYn/ZfwUFmeCTl4gf5PPTBDvxz1AM13QOD+HjwJ3HD+nZo6dCIb8afN2grH xXEB4tgvcv6HkgBiaKxf0MJWzIqahtvwBvYHcvakSMVjDyExo9HaWtZl4j0BG5oVVVu/XuGRsOM6k WcDGU6XBJakZZvEhmrG4G4QQkr1hE3gv/MkEwImGoBJZMyCi7RdBLdIYyeZkLaBH7/1WXHZ+IbfKy YvLQR2NgtRShxAc0gFmA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1igj7J-0001Zv-Le; Mon, 16 Dec 2019 05:40:25 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1igj7F-0001Xf-5K; Mon, 16 Dec 2019 05:40:23 +0000 X-UUID: 504978ae64904107abacae3ce720c231-20191215 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=ZFK5ya63Cy6wgpbjF8WuGV2/7oL5ZesSkDZ/6F6akns=; b=SLD234SHVdhqgz9HUvHWvCnWHg4ygBq/6pKuoWNaISH33SGn7Mt9i30ZnAe45k1G5s7Zs3ZUOGrcmpjEJb4JklR3OpZfqOqLZc9MnxdC3wB7xt4kMVmuQDoiN/eUA5mI44FD3voDrnNhRcoM5AbkLV3/Ci8HvoW238UI78ji1VI=; X-UUID: 504978ae64904107abacae3ce720c231-20191215 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 2002216749; Sun, 15 Dec 2019 21:40:11 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 15 Dec 2019 21:40:25 -0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 16 Dec 2019 13:40:30 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 16 Dec 2019 13:39:22 +0800 From: Biao Huang To: , Rob Herring , Andrew Lunn Subject: [v2, PATCH 2/2] net-next: dt-binding: dwmac-mediatek: add more description for RMII Date: Mon, 16 Dec 2019 13:39:58 +0800 Message-ID: <20191216053958.26130-3-biao.huang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191216053958.26130-1-biao.huang@mediatek.com> References: <20191216053958.26130-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191215_214021_209424_73EF642A X-CRM114-Status: GOOD ( 11.87 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Alexandre Torgue , Biao Huang , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, yt.shen@mediatek.com, Jose Abreu , linux-mediatek@lists.infradead.org, Maxime Coquelin , Matthias Brugger , Giuseppe Cavallaro , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org MT2712 SoC can provide RMII reference clock, so add corresponding description in dt-binding. Signed-off-by: Biao Huang --- .../bindings/net/mediatek-dwmac.txt | 33 +++++++++++++------ 1 file changed, 23 insertions(+), 10 deletions(-) diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.txt b/Documentation/devicetree/bindings/net/mediatek-dwmac.txt index 8a08621a5b54..afbcaebf062e 100644 --- a/Documentation/devicetree/bindings/net/mediatek-dwmac.txt +++ b/Documentation/devicetree/bindings/net/mediatek-dwmac.txt @@ -14,7 +14,7 @@ Required properties: Should be "macirq" for the main MAC IRQ - clocks: Must contain a phandle for each entry in clock-names. - clock-names: The name of the clock listed in the clocks property. These are - "axi", "apb", "mac_main", "ptp_ref" for MT2712 SoC + "axi", "apb", "mac_main", "ptp_ref", "rmii_internal" for MT2712 SoC. - mac-address: See ethernet.txt in the same directory - phy-mode: See ethernet.txt in the same directory - mediatek,pericfg: A phandle to the syscon node that control ethernet @@ -23,8 +23,10 @@ Required properties: Optional properties: - mediatek,tx-delay-ps: TX clock delay macro value. Default is 0. It should be defined for RGMII/MII interface. + It should be defined for RMII interface when the reference clock is from MT2712 SoC. - mediatek,rx-delay-ps: RX clock delay macro value. Default is 0. - It should be defined for RGMII/MII/RMII interface. + It should be defined for RGMII/MII interface. + It should be defined for RMII interface. Both delay properties need to be a multiple of 170 for RGMII interface, or will round down. Range 0~31*170. Both delay properties need to be a multiple of 550 for MII/RMII interface, @@ -34,13 +36,20 @@ or will round down. Range 0~31*550. reference clock, which is from external PHYs, is connected to RXC pin on MT2712 SoC. Otherwise, is connected to TXC pin. +- mediatek,rmii-clk-from-mac: boolean property, if present indicates that + MT2712 SoC provides the RMII reference clock, which outputs to TXC pin only. - mediatek,txc-inverse: boolean property, if present indicates that 1. tx clock will be inversed in MII/RGMII case, 2. tx clock inside MAC will be inversed relative to reference clock which is from external PHYs in RMII case, and it rarely happen. + 3. the reference clock, which outputs to TXC pin will be inversed in RMII case + when the reference clock is from MT2712 SoC. - mediatek,rxc-inverse: boolean property, if present indicates that 1. rx clock will be inversed in MII/RGMII case. - 2. reference clock will be inversed when arrived at MAC in RMII case. + 2. reference clock will be inversed when arrived at MAC in RMII case, when + the reference clock is from external PHYs. + 3. the inside clock, which be sent to MAC, will be inversed in RMII case when + the reference clock is from MT2712 SoC. - assigned-clocks: mac_main and ptp_ref clocks - assigned-clock-parents: parent clocks of the assigned clocks @@ -50,29 +59,33 @@ Example: reg = <0 0x1101c000 0 0x1300>; interrupts = ; interrupt-names = "macirq"; - phy-mode ="rgmii"; + phy-mode ="rgmii-rxid"; mac-address = [00 55 7b b5 7d f7]; clock-names = "axi", "apb", "mac_main", "ptp_ref", - "ptp_top"; + "rmii_internal"; clocks = <&pericfg CLK_PERI_GMAC>, <&pericfg CLK_PERI_GMAC_PCLK>, <&topckgen CLK_TOP_ETHER_125M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_SEL>; + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; assigned-clocks = <&topckgen CLK_TOP_ETHER_125M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_SEL>; + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; assigned-clock-parents = <&topckgen CLK_TOP_ETHERPLL_125M>, - <&topckgen CLK_TOP_APLL1_D3>; + <&topckgen CLK_TOP_APLL1_D3>, + <&topckgen CLK_TOP_ETHERPLL_50M>; + power-domains = <&scpsys MT2712_POWER_DOMAIN_AUDIO>; mediatek,pericfg = <&pericfg>; mediatek,tx-delay-ps = <1530>; mediatek,rx-delay-ps = <1530>; mediatek,rmii-rxc; mediatek,txc-inverse; mediatek,rxc-inverse; - snps,txpbl = <32>; - snps,rxpbl = <32>; + snps,txpbl = <1>; + snps,rxpbl = <1>; snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>; snps,reset-active-low; };