From patchwork Tue May 30 11:34:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 100705 Delivered-To: patch@linaro.org Received: by 10.140.96.100 with SMTP id j91csp165391qge; Tue, 30 May 2017 04:34:25 -0700 (PDT) X-Received: by 10.98.137.140 with SMTP id n12mr22808780pfk.183.1496144065003; Tue, 30 May 2017 04:34:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1496144064; cv=none; d=google.com; s=arc-20160816; b=vOTkR47NURWGBj7vuhsfH+pxKXCJgspRPhIpvl3gq4UQ4eHH5oRWESgRTn/4QayIGO AVz7KnT5LmnwirReNt9h6FnUZGydeuPzxoZXTYC3r4sFCj7CVULr3NfAA5eMkYZwMWN9 YnDE4c7vt9qlYZAmLCWmMiMlb0u8XwnlV8PqgVHk+XXDdFr3W8gikvRRhH/B3QeVVxCT OJxJfsRtB3vdHjfmZtaD+L6ZLJMkv50Vai7bS+rV8WQtM0/CCnvNaq2Q5J1QDK47FqAo mrlhqQ0Dfsz5DM2mOYcMR70iJEc8xmc1zAPP65PN0deyPWo/lo+An9K7sh4c+x0E0rVU 8LyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature:arc-authentication-results; bh=yNhmsyaEEe/HebPVFlIwXDLFfg0wIwDPCCE39X675OQ=; b=ybsFvRF0swf9oMWyQ4qLtmwjgjxBImOLlAfBLkHHzlYtmnx++R4eHYh7cY8vYT/oaZ //Tjfh7gVAGx8HTPiEc6vm4D9LIWk/sv+/jClYy1DmPBOsmYLal0elEUWbNum5LED6wQ bBKCn/drCsHOnkBl0+WYb/SCVS6fMJdsLK2Sdiy2iuVqjZtb4+EvKUqcf5hinl+uDm/R 0LEk/JV2Y9gJ7HC4y0oAZlB/b9eGVKCvW2o5qhPw1qIF1lKI7gGMoJ17dgCgohZVWAoB 0BTlJqXBmaOYRnEJdF1+HlzNaDPl9givGaJYddsHCMNbhGfEu0Kz/A0UAWNObv/rNc6o NcEg== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g5si13842398pgr.92.2017.05.30.04.34.24; Tue, 30 May 2017 04:34:24 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@linaro.org; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751333AbdE3LeX (ORCPT + 7 others); Tue, 30 May 2017 07:34:23 -0400 Received: from mail-lf0-f51.google.com ([209.85.215.51]:33148 "EHLO mail-lf0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751396AbdE3LeV (ORCPT ); Tue, 30 May 2017 07:34:21 -0400 Received: by mail-lf0-f51.google.com with SMTP id m18so47448661lfj.0 for ; Tue, 30 May 2017 04:34:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=jz2fA9itK2QjETqE7ZHrp6gqGK6dqdh89ww6jeUbeGM=; b=RCZ3V497iLVSaxwmFm5QPQi1ESHgkG3jtx7dYgNVDn6QHsP8PnwI8GWUn8k9z+LdS8 q4FQEG6DxVr5dSjoc0NrzXf1aT+wIjtYbOiR+Wy5+fBEZAqSVObd3iwpxNLG9OWZIF0S /YtX608VSNrtF6aIvm811quYD0nuN6PIcIHbQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=jz2fA9itK2QjETqE7ZHrp6gqGK6dqdh89ww6jeUbeGM=; b=tcb9tM0wUcQYN9Ohzg4GIRpIDNNGeud5i6J9oMQyv+dvW50yeKmIP1g1cQfWrC7HgY 9RwZY/4gQ1UzK1nnUJ3fg6TdRRoKCCAKo/+YuqcfuL2ybPTNZlFVLmVNiUwwiCpuNN/y 7JoN5c7GuAYZzOZkRGVX5ZKAjObOda7l3RzwpfguTMfzbVUW2mlQbaDhhyG4HdzI7QZQ 6FHU1wMmgRr13smDIbKgUIYbO6IvbOiTeLNTKbMQkq1rKvq3/jnD4a8QNe8JQ1P4+SlX /zI7sYsN2ESNR81uor+fhuH/XkrkD5R7wEybaTOxz7gSVDsjjNrh1uNahPbOSCmVieot 1EuA== X-Gm-Message-State: AODbwcCF3Q41P4mnV2whC3AsiNuP29o60aJ1AGKsMKqBf5g1viwhDgCm 9RcNBMj5+Yp7lUbz X-Received: by 10.46.14.10 with SMTP id 10mr6211106ljo.25.1496144053861; Tue, 30 May 2017 04:34:13 -0700 (PDT) Received: from fabina.bredbandsbolaget.se (c-9d7e71d5.014-348-6c756e10.cust.bredbandsbolaget.se. [213.113.126.157]) by smtp.gmail.com with ESMTPSA id s18sm2588848ljd.3.2017.05.30.04.34.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 May 2017 04:34:12 -0700 (PDT) From: Linus Walleij To: Tejun Heo , Bartlomiej Zolnierkiewicz , linux-ide@vger.kernel.org Cc: Janos Laube , Paulius Zaleckas , linux-arm-kernel@lists.infradead.org, Hans Ulli Kroll , Florian Fainelli , Linus Walleij , devicetree@vger.kernel.org, John Feng-Hsin Chiang , Greentime Hu Subject: [PATCH 2/4 v3] ata: Add DT bindings for the Gemini SATA bridge Date: Tue, 30 May 2017 13:34:00 +0200 Message-Id: <20170530113402.20450-2-linus.walleij@linaro.org> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170530113402.20450-1-linus.walleij@linaro.org> References: <20170530113402.20450-1-linus.walleij@linaro.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This adds device tree bindings for the Cortina Systems Gemini PATA to SATA bridge. Cc: devicetree@vger.kernel.org Cc: John Feng-Hsin Chiang Cc: Greentime Hu Acked-by: Hans Ulli Kroll Acked-by: Rob Herring Signed-off-by: Linus Walleij --- ChangeLog v2->v3: - No changes, just resending to keep the patch set together. ChangeLog v1->v2: - Fix ata0 misspelled as ata1 in one place. --- .../bindings/ata/cortina,gemini-sata-bridge.txt | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt -- 2.9.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt new file mode 100644 index 000000000000..1c3d3cc70051 --- /dev/null +++ b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt @@ -0,0 +1,55 @@ +* Cortina Systems Gemini SATA Bridge + +The Gemini SATA bridge in a SoC-internal PATA to SATA bridge that +takes two Faraday Technology FTIDE010 PATA controllers and bridges +them in different configurations to two SATA ports. + +Required properties: +- compatible: should be + "cortina,gemini-sata-bridge" +- reg: registers and size for the block +- resets: phandles to the reset lines for both SATA bridges +- reset-names: must be "sata0", "sata1" +- clocks: phandles to the compulsory peripheral clocks +- clock-names: must be "SATA0_PCLK", "SATA1_PCLK" +- syscon: a phandle to the global Gemini system controller +- cortina,gemini-ata-muxmode: tell the desired multiplexing mode for + the ATA controller and SATA bridges. Values 0..3: + Mode 0: ata0 master <-> sata0 + ata1 master <-> sata1 + ata0 slave interface brought out on IDE pads + Mode 1: ata0 master <-> sata0 + ata1 master <-> sata1 + ata1 slave interface brought out on IDE pads + Mode 2: ata1 master <-> sata1 + ata1 slave <-> sata0 + ata0 master and slave interfaces brought out + on IDE pads + Mode 3: ata0 master <-> sata0 + ata0 slave <-> sata1 + ata1 master and slave interfaces brought out + on IDE pads + +Optional boolean properties: +- cortina,gemini-enable-ide-pins: enables the PATA to IDE connection. + The muxmode setting decides whether ATA0 or ATA1 is brought out, + and whether master, slave or both interfaces get brought out. +- cortina,gemini-enable-sata-bridge: enables the PATA to SATA bridge + inside the Gemnini SoC. The Muxmode decides what PATA blocks will + be muxed out and how. + +Example: + +sata: sata@46000000 { + compatible = "cortina,gemini-sata-bridge"; + reg = <0x46000000 0x100>; + resets = <&rcon 26>, <&rcon 27>; + reset-names = "sata0", "sata1"; + clocks = <&gcc GEMINI_CLK_GATE_SATA0>, + <&gcc GEMINI_CLK_GATE_SATA1>; + clock-names = "SATA0_PCLK", "SATA1_PCLK"; + syscon = <&syscon>; + cortina,gemini-ata-muxmode = <3>; + cortina,gemini-enable-ide-pins; + cortina,gemini-enable-sata-bridge; +};