From patchwork Thu Jan 19 11:13:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Alexandre Bailon X-Patchwork-Id: 91855 Delivered-To: patch@linaro.org Received: by 10.140.20.99 with SMTP id 90csp223260qgi; Thu, 19 Jan 2017 03:14:25 -0800 (PST) X-Received: by 10.99.126.27 with SMTP id z27mr9420306pgc.177.1484824464961; Thu, 19 Jan 2017 03:14:24 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z86si3250480pfj.81.2017.01.19.03.14.24; Thu, 19 Jan 2017 03:14:24 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-omap-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=@baylibre-com.20150623.gappssmtp.com; spf=pass (google.com: best guess record for domain of linux-omap-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-omap-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751898AbdASLOX (ORCPT + 4 others); Thu, 19 Jan 2017 06:14:23 -0500 Received: from mail-wm0-f51.google.com ([74.125.82.51]:37322 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752115AbdASLOO (ORCPT ); Thu, 19 Jan 2017 06:14:14 -0500 Received: by mail-wm0-f51.google.com with SMTP id c206so71858361wme.0 for ; Thu, 19 Jan 2017 03:13:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=pPM12QVI4OsZ5Laax6HUatu/1t0I1y7EMV5aaL2d4js=; b=qbF78oorgbQW3TZDqze+zX7G4XhuFUNODH/QN2w86b6Xo1hWCwlUVMFobcb9oiURsj UmvS20kYnwY4g9iot/u8IYw4j3aBbpwdsOlykCBVqnt2oTC0dbb75aT1DvzXe/3TSVkW 0Icw9uN7Socy5bzyow6KWZmu+lKBL4jdP40OKeWhNKSBbk8An2JtMZV8bS0W/OyEWXgl iGONosOO6VB7WbkFuLwRzXLKiZXlOFXvZE2YXhChB/U+2mPCrDqyabhrpD1z8BDHzh6w 42AyWbxznyQqF4bt5vdNE6Q88Zfl69R5Z8/6rMBnmgUUvdE/pKj/qSNqcevdbfaZOt46 I9Tw== 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:mime-version:content-transfer-encoding; bh=pPM12QVI4OsZ5Laax6HUatu/1t0I1y7EMV5aaL2d4js=; b=m3z82hYdjnZZxAfeIESUpJf7gjRNlFOyRllheimbc/MW4bjM2NHp1QpndYssN+reKZ 2rI4HSpKdyp0nq2Fm6qayJlrjAyktAksB3U2Lwyje7TrMzHnimb58DaIqJPEnB8xkdNB bHHwlt/v2cOVR2bRvV1fmrnn4oa0ZX51BsSyjKm3TzYejM4sjcrXVYkudXjz4denjTML XmNoGsO1wZJB99je59NiBDci9pCXhK7hmI7igDTkNAJfeArakgsHrXEftWEMK/7ca0wp OupB2IhbdptX/Jm0wsOodvmFTFHqgJJjtH3LnldH450byeEMySzLsDFIiPQeFYeg8yeW 4FLw== X-Gm-Message-State: AIkVDXKLiZ4cZ/8jfhHJ7ctVfmD1yJzgPIufunkvPTiKMPkb/XWGZn1MFxvLj41ij4d95AGr X-Received: by 10.223.130.204 with SMTP id 70mr6795348wrc.128.1484824420785; Thu, 19 Jan 2017 03:13:40 -0800 (PST) Received: from localhost.localdomain ([90.63.244.31]) by smtp.gmail.com with ESMTPSA id g75sm12117028wme.5.2017.01.19.03.13.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 19 Jan 2017 03:13:40 -0800 (PST) From: Alexandre Bailon To: vinod.koul@intel.com Cc: dmaengine@vger.kernel.org, nsekhar@ti.com, khilman@baylibre.com, ptitiano@baylibre.com, tony@atomide.com, linux-omap@vger.kernel.org, b-liu@ti.com, sergei.shtylyov@cogentembedded.com, grygorii.strashko@ti.com, linux-usb@vger.kernel.org, Alexandre Bailon Subject: [PATCH v3 1/3] dt/bindings: da8xx-usb: Add binding for the CPPI 4.1 DMA controller Date: Thu, 19 Jan 2017 12:13:32 +0100 Message-Id: <20170119111334.14718-2-abailon@baylibre.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170119111334.14718-1-abailon@baylibre.com> References: <20170119111334.14718-1-abailon@baylibre.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org DT binding for the TI DA8xx/OMAP-L1x/AM17xx/AM18xx CPPI 4.1 DMA controller. Signed-off-by: Alexandre Bailon --- .../devicetree/bindings/usb/da8xx-usb.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" 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/usb/da8xx-usb.txt b/Documentation/devicetree/bindings/usb/da8xx-usb.txt index ccb844a..c3944a6 100644 --- a/Documentation/devicetree/bindings/usb/da8xx-usb.txt +++ b/Documentation/devicetree/bindings/usb/da8xx-usb.txt @@ -18,10 +18,26 @@ Required properties: - phy-names: Should be "usb-phy" + - dmas: specifies the dma channels + + - dma-names: specifies the names of the channels. Use "rxN" for receive + and "txN" for transmit endpoints. N specifies the endpoint number. + Optional properties: ~~~~~~~~~~~~~~~~~~~~ - vbus-supply: Phandle to a regulator providing the USB bus power. +DMA +~~~ +- compatible: ti,da830-cppi41 +- reg: offset and length of the following register spaces: CPPI DMA Controller, + CPPI DMA Scheduler, Queue Manager +- reg-names: "controller", "scheduler", "queuemgr" +- #dma-cells: should be set to 2. The first number represents the + channel number (0 … 3 for endpoints 1 … 4). + The second number is 0 for RX and 1 for TX transfers. +- #dma-channels: should be set to 4 representing the 4 endpoints. + Example: usb_phy: usb-phy { compatible = "ti,da830-usb-phy"; @@ -31,6 +47,9 @@ Example: usb0: usb@200000 { compatible = "ti,da830-musb"; reg = <0x00200000 0x10000>; + ranges; + #address-cells = <1>; + #size-cells = <1>; interrupts = <58>; interrupt-names = "mc"; @@ -39,5 +58,25 @@ Example: phys = <&usb_phy 0>; phy-names = "usb-phy"; + dmas = <&cppi41dma 0 0 &cppi41dma 1 0 + &cppi41dma 2 0 &cppi41dma 3 0 + &cppi41dma 0 1 &cppi41dma 1 1 + &cppi41dma 2 1 &cppi41dma 3 1>; + dma-names = + "rx1", "rx2", "rx3", "rx4", + "tx1", "tx2", "tx3", "tx4"; + status = "okay"; + + cppi41dma: dma-controller@201000 { + compatible = "ti,da830-cppi41"; + reg = <0x201000 0x1000 + 0x202000 0x1000 + 0x204000 0x4000>; + reg-names = "controller", "scheduler", "queuemgr"; + interrupts = <58>; + #dma-cells = <2>; + #dma-channels = <4>; + }; + };