From patchwork Tue Jan 4 14:52:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 12703533 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 22853C433EF for ; Tue, 4 Jan 2022 14:53:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=FOC89TrcCii6gkKroWWCJPShKWUKow+V40ehS4l1Fvo=; b=ARCxXIThOqTKni HY9ZrpUYhze1L7Fudpo2d9OJPB4njRuLU095DH+16CssD6aIauU8fkBNS+kPk+C1mFFNNKwcczrL/ Rqx20qVbkIjoxuJIEsZnd/fkrGwzC5b07Rh/pUWkJTA2bOsX+fw7LIx0+IvR5BqGfV/BjdgayxCIg PfwdyVuQVRZR/iSQ4MuFw9Ej3E+GxlMuTdD9cK+z/H/2fABFCkzDO/1D5WJDrc7ah9wBRbaNS2uRY MpiYtyzt9V5K1YvbUflZaMITyQpK1KHuqCAooh+ybZD7fCIl+9NMKTF9RaWsrtdVBVOCLzmf3k4wd fwXoyCaKsMWkz3ojcgKg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4lAj-00BmfM-Et; Tue, 04 Jan 2022 14:52:21 +0000 Received: from mail-wr1-x42a.google.com ([2a00:1450:4864:20::42a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4lAf-00Bmda-L3 for linux-arm-kernel@lists.infradead.org; Tue, 04 Jan 2022 14:52:19 +0000 Received: by mail-wr1-x42a.google.com with SMTP id k18so39975129wrg.11 for ; Tue, 04 Jan 2022 06:52:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=C5F5o/W7ZL/b1Y2B+J1/KTZflK9h/hPBJOs37w3Di6g=; b=zPD5vIuKCKdKaLTTKckD9IWWMkuUeYnbMgNmmRBvn1IJgu29N/ZD5Pi9vm1KIa4qNz yxC9ZDMJ9cby6FO/633RPnTCCBrC7+G092PSd3RyRGMo5rrFvoVbds/g6ma1mmFopyS4 WKabuz5+MM6olk/wbAQ3Sxl7gVcGHmuS9Ui1P1JhZq9M1EL8LHga5N7kDt/60Z2SfRni vErkJol/taJzJ6GzzmITY5fT0jNMr5T22GT8/3oaXm7h97A3q609HqTwp/gUDyjGFlDh DqYO+7xUA8L6XnW6s5HFm6LqEX/J+TDGyI/xMUPVwLnxTUbdAH4dyRPA4N8sWB5xGoEL qd1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=C5F5o/W7ZL/b1Y2B+J1/KTZflK9h/hPBJOs37w3Di6g=; b=TjcXCer7NjbWYuu1aMufdn5eu8/RJ6pNxKdT8jsi49zK0BtbWiRz9ErWRYdcqnnuOu L7FPDGszpnk4TeiDOvOkdoIWxhTxbwCNvKfvvOE+6DkMDTJz8ZmylX0pFfBlmLYo+RsO A0m3xVl9FXwG7UmrPWneyNy1nzWmg/NCji2U2hmlVQAWe7M1xmJyTkwdhZr2hXN6oTn/ YG7T9156IGSBpZZYazHJl0MoTl7wEdXum0BtxxNd7+VUXVEm5W4443gPYUJ0+vY21WUQ ZVkj4xJC6OsgtDqq0EFN5oXzb2OU/FP/DbfvOMblrdnLstZ8EtcYVyLCCKvlTLaoZXpH 35BA== X-Gm-Message-State: AOAM532GdJxdYb6aOFI9CRWFdOqFr2EJzNtexBQzUycZuQfNZJvaEj1/ 2cetK62RxeHyqz/xY+6uv3iJyx6N3CNWkg== X-Google-Smtp-Source: ABdhPJw/715o7C1vxbbnWVHhEuOXt9DGLA4fqF9EXUXPePaBDOq2rGd+7F+ilaJHSgrNr911QzGXaQ== X-Received: by 2002:adf:ec8b:: with SMTP id z11mr43444018wrn.378.1641307934167; Tue, 04 Jan 2022 06:52:14 -0800 (PST) Received: from localhost.localdomain ([2001:861:44c0:66c0:f6da:6ac:481:1df0]) by smtp.gmail.com with ESMTPSA id s8sm44631911wra.9.2022.01.04.06.52.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Jan 2022 06:52:13 -0800 (PST) From: Neil Armstrong To: vkoul@kernel.org Cc: linux-oxnas@groups.io, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong Subject: [PATCH 0/4] dmaengine: Add support Oxford Semiconductor OXNAS DMA Engine Date: Tue, 4 Jan 2022 15:52:02 +0100 Message-Id: <20220104145206.135524-1-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220104_065217_709375_05E244D8 X-CRM114-Status: GOOD ( 13.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This serie adds support for the DMA engine found in Oxford Semiconductor SoCs, notably in the OX810SE where it's heavily used for SATA transfers. The driver was on my pipe since 2016 and a courageous person managed to get the SATA driver work up mainline kernel with this driver, so I cleaned it up in order to be upstreamed. I plan to push the last patch through arm-soc when bindings is applied. Neil Armstrong (4): dt-bindings: dma: Add bindings for ox810se dma engine dmaengine: Add Oxford Semiconductor OXNAS DMA Controller MAINTAINERS: add OX810SE DMA driver files under Oxnas entry ARM: dts: ox810se: Add DMA Support .../bindings/dma/oxsemi,ox810se-dma.yaml | 97 ++ MAINTAINERS | 2 + arch/arm/boot/dts/ox810se-wd-mbwe.dts | 4 + arch/arm/boot/dts/ox810se.dtsi | 21 + drivers/dma/Kconfig | 8 + drivers/dma/Makefile | 1 + drivers/dma/oxnas_adma.c | 1045 +++++++++++++++++ 7 files changed, 1178 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/oxsemi,ox810se-dma.yaml create mode 100644 drivers/dma/oxnas_adma.c base-commit: fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf