From patchwork Wed Dec 21 11:16:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 9482871 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 047D560487 for ; Wed, 21 Dec 2016 11:19:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E4CE3283F7 for ; Wed, 21 Dec 2016 11:19:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D7FF4283FD; Wed, 21 Dec 2016 11:19:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 82F47283F7 for ; Wed, 21 Dec 2016 11:19:09 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cJett-0005AW-8z; Wed, 21 Dec 2016 11:17:37 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cJetI-0004xe-D7 for linux-arm-kernel@lists.infradead.org; Wed, 21 Dec 2016 11:17:03 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 4858D206FA; Wed, 21 Dec 2016 12:16:39 +0100 (CET) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 1DF90206F0; Wed, 21 Dec 2016 12:16:39 +0100 (CET) From: Thomas Petazzoni To: "David S. Miller" , netdev@vger.kernel.org Subject: [PATCH net-next 01/27] dt-bindings: net: update Marvell PPv2 binding for PPv2.2 support Date: Wed, 21 Dec 2016 12:16:08 +0100 Message-Id: <1482318994-23488-2-git-send-email-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1482318994-23488-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1482318994-23488-1-git-send-email-thomas.petazzoni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161221_031700_850208_1A3DA2FF X-CRM114-Status: GOOD ( 14.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Petazzoni , Andrew Lunn , Yehuda Yitschak , Jason Cooper , Hanna Hawa , Nadav Haklai , Gregory Clement , Stefan Chulski , Marcin Wojtas , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The Marvell PPv2 Device Tree binding was so far only used to describe the PPv2.1 network controller, used in the Marvell Armada 375. A new version of this IP block, PPv2.2 is used in the Marvell Armada 7K/8K processor. This commit extends the existing binding so that it can also be used to describe PPv2.2 hardware. Signed-off-by: Thomas Petazzoni --- .../devicetree/bindings/net/marvell-pp2.txt | 66 ++++++++++++++++++---- 1 file changed, 55 insertions(+), 11 deletions(-) diff --git a/Documentation/devicetree/bindings/net/marvell-pp2.txt b/Documentation/devicetree/bindings/net/marvell-pp2.txt index aa4f423..76071f3 100644 --- a/Documentation/devicetree/bindings/net/marvell-pp2.txt +++ b/Documentation/devicetree/bindings/net/marvell-pp2.txt @@ -1,17 +1,28 @@ -* Marvell Armada 375 Ethernet Controller (PPv2) +* Marvell Armada 375 Ethernet Controller (PPv2.1) + Marvell Armada 7K/8K Ethernet Controller (PPv2.2) Required properties: -- compatible: should be "marvell,armada-375-pp2" +- compatible: should be one of: + "marvell,armada-375-pp2" + "marvell,armada-7k-pp2" - reg: addresses and length of the register sets for the device. - Must contain the following register sets: + For "marvell,armada-375-pp2", must contain the following register + sets: - common controller registers - LMS registers - In addition, at least one port register set is required. -- clocks: a pointer to the reference clocks for this device, consequently: - - main controller clock - - GOP clock -- clock-names: names of used clocks, must be "pp_clk" and "gop_clk". + - one register area per Ethernet port + For "marvell,armda-7k-pp2", must contain the following register + sets: + - common controller registers + - per-port registers + +- clocks: pointers to the reference clocks for this device, consequently: + - main controller clock (for both armada-375-pp2 and armada-7k-pp2) + - GOP clock (for both armada-375-pp2 and armada-7k-pp2) + - MG clock (only for armada-7k-pp2) +- clock-names: names of used clocks, must be "pp_clk", "gop_clk" and + "mg_clk" (the latter only for armada-7k-pp2). The ethernet ports are represented by subnodes. At least one port is required. @@ -19,8 +30,9 @@ required. Required properties (port): - interrupts: interrupt for the port -- port-id: should be '0' or '1' for ethernet ports, and '2' for the - loopback port +- port-id: ID of the port from the MAC point of view +- gop-port-id: only for marvell,armada-7k-pp2, ID of the port from the + GOP (Group Of Ports) point of view - phy-mode: See ethernet.txt file in the same directory Optional properties (port): @@ -31,7 +43,7 @@ Optional properties (port): then fixed link is assumed, and the 'fixed-link' property is mandatory. -Example: +Example for marvell,armada-375-pp2: ethernet@f0000 { compatible = "marvell,armada-375-pp2"; @@ -59,3 +71,35 @@ ethernet@f0000 { phy-mode = "gmii"; }; }; + +Example for marvell,armada-7k-pp2: + +cpm_ethernet: ethernet@0 { + compatible = "marvell,armada-7k-pp22"; + reg = <0x0 0x100000>, + <0x100000 0x80000>; + clocks = <&cpm_syscon0 1 3>, <&cpm_syscon0 1 9>, <&cpm_syscon0 1 5>; + clock-names = "pp_clk", "gop_clk", "gp_clk"; + status = "disabled"; + + eth0: eth@0 { + interrupts = ; + port-id = <0>; + gop-port-id = <0>; + status = "disabled"; + }; + + eth1: eth@1 { + interrupts = ; + port-id = <1>; + gop-port-id = <2>; + status = "disabled"; + }; + + eth2: eth@2 { + interrupts = ; + port-id = <2>; + gop-port-id = <3>; + status = "disabled"; + }; +};