From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABDEDC43387 for ; Thu, 27 Dec 2018 13:12:28 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7BB2721479 for ; Thu, 27 Dec 2018 13:12:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="E7JDurPw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7BB2721479 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Nm+smdV0lJ5I4MIO7WThS74Xl0HznTpmXwow1TkMM0w=; b=E7JDurPwwRYLOg vMNzzmrp9qxEXAc/MYslZWTNqP7n5jwTrU65hfkM4TjMOHZctqKYYcKHdpb6b5ZoQXmxQxlKKQu4g IzDI63CjKg7Cqx4rVm8kET0GKHK7l1DnfwGpLEs81idyBa24jRjgYI4AEPfcGUpxcXCNblkq+dDaA MPhbYYxoiFiIjg/U0cp7UjlinmaULP/WoRYyfecxKPs9AvRk0WC145fOJ6YyLsK3Z0BG3aSRtSbyO AyZ93LSiir+lEg04Dvo9//pBYAxHBJdrHW03MBJeWtvkN5fRuJ6BX1PQQqKjXbm4gQhQMpUq53MBg 4vvpvf1Epy9E9IdXMdDA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gcVSc-000724-N7; Thu, 27 Dec 2018 13:12:26 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gcVRv-0006L6-9F; Thu, 27 Dec 2018 13:11:47 +0000 X-UUID: f87d5f996ab74b30bd4b748fee1e788f-20181227 X-UUID: f87d5f996ab74b30bd4b748fee1e788f-20181227 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1655417562; Thu, 27 Dec 2018 21:11:11 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 27 Dec 2018 21:11:10 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 27 Dec 2018 21:11:10 +0800 From: To: Sean Wang , Vinod Koul , Rob Herring , Matthias Brugger , Dan Williams Subject: [PATCH 1/2] dt-bindings: dmaengine: Add MediaTek Command-Queue DMA controller bindings Date: Thu, 27 Dec 2018 21:10:57 +0800 Message-ID: <1545916258-18218-2-git-send-email-shun-chih.yu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1545916258-18218-1-git-send-email-shun-chih.yu@mediatek.com> References: <1545916258-18218-1-git-send-email-shun-chih.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181227_051143_894318_392B800A X-CRM114-Status: GOOD ( 10.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, srv_wsdupstream@mediatek.com, linux-mediatek@lists.infradead.org, Shun-Chih Yu , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Shun-Chih Yu Document the devicetree bindings for MediaTek Command-Queue DMA controller which could be found on MT6765 SoC or other similar Mediatek SoCs. Change-Id: I9736c8cac9be160358feeab935fabaffc5730519 Signed-off-by: Shun-Chih Yu Reviewed-by: Rob Herring --- .../devicetree/bindings/dma/mtk-cqdma.txt | 31 ++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/mtk-cqdma.txt diff --git a/Documentation/devicetree/bindings/dma/mtk-cqdma.txt b/Documentation/devicetree/bindings/dma/mtk-cqdma.txt new file mode 100644 index 0000000..fb12927 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/mtk-cqdma.txt @@ -0,0 +1,31 @@ +MediaTek Command-Queue DMA Controller +================================== + +Required properties: + +- compatible: Must be "mediatek,mt6765-cqdma" for MT6765. +- reg: Should contain the base address and length for each channel. +- interrupts: Should contain references to the interrupts for each channel. +- clocks: Should be the clock specifiers corresponding to the entry in + clock-names property. +- clock-names: Should contain "cqdma" entries. +- dma-channels: The number of DMA channels supported by the controller. +- dma-requests: The number of DMA request supported by the controller. +- #dma-cells: The length of the DMA specifier, must be <1>. This one cell + in dmas property of a client device represents the channel + number. +Example: + + cqdma: dma-controller@10212000 { + compatible = "mediatek,mt6765-cqdma"; + reg = <0 0x10212000 0 0x1000>; + interrupts = , + ; + clocks = <&infracfg CLK_IFR_CQ_DMA>; + clock-names = "cqdma"; + dma-channels = <2>; + dma-requests = <32>; + #dma-cells = <1>; + }; + +DMA clients must use the format described in dma/dma.txt file. -- 1.7.9.5 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel