From patchwork Tue Jan 24 09:58:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Bailon X-Patchwork-Id: 92311 Delivered-To: patch@linaro.org Received: by 10.182.3.34 with SMTP id 2csp1616732obz; Tue, 24 Jan 2017 01:59:10 -0800 (PST) X-Received: by 10.98.200.207 with SMTP id i76mr36992310pfk.38.1485251950058; Tue, 24 Jan 2017 01:59:10 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c12si12857091pfe.23.2017.01.24.01.59.09; Tue, 24 Jan 2017 01:59:10 -0800 (PST) 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=@baylibre-com.20150623.gappssmtp.com; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750813AbdAXJ7D (ORCPT + 7 others); Tue, 24 Jan 2017 04:59:03 -0500 Received: from mail-wm0-f54.google.com ([74.125.82.54]:38149 "EHLO mail-wm0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750809AbdAXJ66 (ORCPT ); Tue, 24 Jan 2017 04:58:58 -0500 Received: by mail-wm0-f54.google.com with SMTP id r144so199778071wme.1 for ; Tue, 24 Jan 2017 01:58:58 -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; bh=vlWHX391xmTVKqikPIvcpUxAKp5ApwIa+W98cCpnQ4c=; b=0lw+T9PzEI09MMzTtKPYVfn587s1Gpb0YSDEPGAqrPtEtv/Ba8BrwtYiQPxUBCu0rb ruxWXyM9z6IXb3A08UIjPCp0biVbsHybJfHDhAKaWas1mRmu1oVY6uJJzvN18COrX95+ pSh8+s/Q2usLf4smSnOlnzjwqJRTj2zr9ebahcpFTYHZUabpx1NNX1evJdmZqN0KibY7 HKVYM/qPmCjDa2C1Cw+c7w96Wn44qFdJpkobraxpwTNq2Vy3pPR8BAZCf18GDQlBi1Dg t3o2xo3Peoo0kcvXYb95cJqnQGF657vgnEMkeaEq8h0WwQ/7qj9HURi/CZDxbN+ATzXm 2ujQ== 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=vlWHX391xmTVKqikPIvcpUxAKp5ApwIa+W98cCpnQ4c=; b=ZbzWM2IRv0n43qt/I2YzhSMuaEfpVYdvOpeJK6HZrdl/YuEf74M0xsydALuLPFe3wH 6oM0JoyzcdurpbZzOWGE7n5OvPIOT27MZ5LCq6Kjn50aiCvs4c6vwmBTnmQ3DRGSk2DT 7TMlpEi1rrb5bvFwH0gDcueVYkcA5M5mx5sWIL6fALMpHpUI7K/Oow1c25aF2yFc1FMd BHjdsmiEuM+uPYH1G4VXRjAijcx5QYK7V2GBeIBjp+7YoPD9wEFeRwo24QekCVLp5scS bnkS3jJKBQVivJzffFH8gGbZqxeyUH4cpL0H+VEq738/hPtIFoDcE9yyOLkjf5zf/pYW 6vkg== X-Gm-Message-State: AIkVDXI6kQkt9wSLkPCCZbLmFvIlLCiEyCnCu66jo0k0y3obTQAqF73PYHQ08gGntCwIgE1G X-Received: by 10.28.217.136 with SMTP id q130mr15907481wmg.13.1485251937391; Tue, 24 Jan 2017 01:58:57 -0800 (PST) Received: from localhost.localdomain ([90.63.244.31]) by smtp.gmail.com with ESMTPSA id l10sm16243815wrb.44.2017.01.24.01.58.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 24 Jan 2017 01:58:56 -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, linux-usb@vger.kernel.org, b-liu@ti.com, sergei.shtylyov@cogentembedded.com, devicetree@vger.kernel.org, robh+dt@kernel.org, Alexandre Bailon Subject: [PATCH v3 2/3] dmaengine: cppi41: Add support of DA8xx to CPPI 4.1 Date: Tue, 24 Jan 2017 10:58:47 +0100 Message-Id: <20170124095848.14593-3-abailon@baylibre.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170124095848.14593-1-abailon@baylibre.com> References: <20170124095848.14593-1-abailon@baylibre.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The DA8xx has a CPPI 4.1 DMA controller. This is add the glue layer required to make it work on DA8xx. Signed-off-by: Alexandre Bailon --- drivers/dma/Kconfig | 6 +++--- drivers/dma/cppi41.c | 23 +++++++++++++++++++++++ 2 files changed, 26 insertions(+), 3 deletions(-) -- 2.10.2 -- 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/drivers/dma/Kconfig b/drivers/dma/Kconfig index 0d6a96e..2a31e1a 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -514,12 +514,12 @@ config TIMB_DMA Enable support for the Timberdale FPGA DMA engine. config TI_CPPI41 - tristate "AM33xx CPPI41 DMA support" - depends on ARCH_OMAP + tristate "CPPI 4.1 DMA support" + depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX) select DMA_ENGINE help The Communications Port Programming Interface (CPPI) 4.1 DMA engine - is currently used by the USB driver on AM335x platforms. + is currently used by the USB driver on AM335x and DA8xx platforms. config TI_DMA_CROSSBAR bool diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index 21a4f79..5c501da 100644 --- a/drivers/dma/cppi41.c +++ b/drivers/dma/cppi41.c @@ -221,6 +221,20 @@ static const struct chan_queues am335x_usb_queues_rx[] = { [29] = { .submit = 30, .complete = 155}, }; +static const struct chan_queues da8xx_usb_queues_tx[] = { + [0] = { .submit = 16, .complete = 24}, + [1] = { .submit = 18, .complete = 24}, + [2] = { .submit = 20, .complete = 24}, + [3] = { .submit = 22, .complete = 24}, +}; + +static const struct chan_queues da8xx_usb_queues_rx[] = { + [0] = { .submit = 1, .complete = 26}, + [1] = { .submit = 3, .complete = 26}, + [2] = { .submit = 5, .complete = 26}, + [3] = { .submit = 7, .complete = 26}, +}; + struct cppi_glue_infos { const struct chan_queues *queues_rx; const struct chan_queues *queues_tx; @@ -949,8 +963,17 @@ static const struct cppi_glue_infos am335x_usb_infos = { .qmgr_num_pend = 5, }; +static const struct cppi_glue_infos da8xx_usb_infos = { + .queues_rx = da8xx_usb_queues_rx, + .queues_tx = da8xx_usb_queues_tx, + .td_queue = { .submit = 31, .complete = 0 }, + .first_completion_queue = 24, + .qmgr_num_pend = 2, +}; + static const struct of_device_id cppi41_dma_ids[] = { { .compatible = "ti,am3359-cppi41", .data = &am335x_usb_infos}, + { .compatible = "ti,da830-cppi41", .data = &da8xx_usb_infos}, {}, }; MODULE_DEVICE_TABLE(of, cppi41_dma_ids);