From patchwork Thu Mar 7 01:45:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Long Cheng X-Patchwork-Id: 10842165 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 247FA1515 for ; Thu, 7 Mar 2019 01:46:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0DED72E93F for ; Thu, 7 Mar 2019 01:46:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 01A8E2E944; Thu, 7 Mar 2019 01:46:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8FF7F2E93F for ; Thu, 7 Mar 2019 01:46:27 +0000 (UTC) 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=ihSHp0yspJ3nE/KJ2GO55j6iut/Osrv3eAxwRqrJteo=; b=Qgqm0BseUq4tvY /5XkD+L6AwbDsyr44260SFVH6C+98UrHIB02H9acP+wtMzst3XYsVqh6Tg3B3E+NE+mQiuU7hslfi p1zAS37/YtMi0K4nTSm0AnZ8K5PyB3TuHxNiWgd+bwWvjGy5slGXbjdGEqwoM7vhpDuNP45GFEFfB OeP+uKMtOBIEMHdgrVfljEGkTfphkGQW10bLEe5/DrLPd3feH8rscJ2fh3BpcwaX6jdwjeGr3npOV CEJzA4+bsLeSOJUFqbsR7L+NwyVqEA2DFOoc9zdG/rzvLAzEq+qmgkEmE9VG/Pojjr4RFip5ZPZdL w5pkiWHcUE4C+fzA6wTQ==; 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 1h1i6x-0005vJ-Cg; Thu, 07 Mar 2019 01:46:15 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h1i6a-0005Mf-11; Thu, 07 Mar 2019 01:45:53 +0000 X-UUID: 57af503e92c74e669906c7513f9891b0-20190306 X-UUID: 57af503e92c74e669906c7513f9891b0-20190306 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1186245101; Wed, 06 Mar 2019 17:45:45 -0800 Received: from mtkmbs03n1.mediatek.inc (172.21.101.181) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 6 Mar 2019 17:45:43 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs03n1.mediatek.inc (172.21.101.181) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 7 Mar 2019 09:45:42 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 7 Mar 2019 09:45:41 +0800 From: Long Cheng To: Vinod Koul , Randy Dunlap , "Rob Herring" , Mark Rutland , Ryder Lee , Sean Wang , Nicolas Boichat , Matthias Brugger Subject: [PATCH v11 3/4] dt-bindings: dma: uart: rename binding Date: Thu, 7 Mar 2019 09:45:34 +0800 Message-ID: <1551923135-32479-4-git-send-email-long.cheng@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1551923135-32479-1-git-send-email-long.cheng@mediatek.com> References: <1551923135-32479-1-git-send-email-long.cheng@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-20190306_174552_133598_9DA450C7 X-CRM114-Status: GOOD ( 12.86 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhenbao Liu , devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Greg Kroah-Hartman , Sean Wang , linux-kernel@vger.kernel.org, Long Cheng , linux-mediatek@lists.infradead.org, linux-serial@vger.kernel.org, Jiri Slaby , dmaengine@vger.kernel.org, Yingjoe Chen , Dan Williams , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The filename matches mtk-uart-apdma.c. So using "mtk-uart-apdma.txt" should be better. And add some property. Signed-off-by: Long Cheng Reviewed-by: Rob Herring --- .../devicetree/bindings/dma/8250_mtk_dma.txt | 33 ------------ .../devicetree/bindings/dma/mtk-uart-apdma.txt | 55 ++++++++++++++++++++ 2 files changed, 55 insertions(+), 33 deletions(-) delete mode 100644 Documentation/devicetree/bindings/dma/8250_mtk_dma.txt create mode 100644 Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt diff --git a/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt b/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt deleted file mode 100644 index 3fe0961..0000000 --- a/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt +++ /dev/null @@ -1,33 +0,0 @@ -* Mediatek UART APDMA Controller - -Required properties: -- compatible should contain: - * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA - * "mediatek,mt6577-uart-dma" for MT6577 and all of the above - -- reg: The base address of the APDMA register bank. - -- interrupts: A single interrupt specifier. - -- clocks : Must contain an entry for each entry in clock-names. - See ../clocks/clock-bindings.txt for details. -- clock-names: The APDMA clock for register accesses - -Examples: - - apdma: dma-controller@11000380 { - compatible = "mediatek,mt2712-uart-dma"; - reg = <0 0x11000380 0 0x400>; - interrupts = , - , - , - , - , - , - , - ; - clocks = <&pericfg CLK_PERI_AP_DMA>; - clock-names = "apdma"; - #dma-cells = <1>; - }; - diff --git a/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt new file mode 100644 index 0000000..e0424b3 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt @@ -0,0 +1,55 @@ +* Mediatek UART APDMA Controller + +Required properties: +- compatible should contain: + * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA + * "mediatek,mt6577-uart-dma" for MT6577 and all of the above + +- reg: The base address of the APDMA register bank. + +- interrupts: A single interrupt specifier. + One interrupt per dma-requests, or 8 if no dma-requests property is present + +- dma-requests: The number of DMA channels + +- clocks : Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names: The APDMA clock for register accesses + +- mediatek,dma-33bits: Present if the DMA requires support + +Examples: + + apdma: dma-controller@11000400 { + compatible = "mediatek,mt2712-uart-dma"; + reg = <0 0x11000400 0 0x80>, + <0 0x11000480 0 0x80>, + <0 0x11000500 0 0x80>, + <0 0x11000580 0 0x80>, + <0 0x11000600 0 0x80>, + <0 0x11000680 0 0x80>, + <0 0x11000700 0 0x80>, + <0 0x11000780 0 0x80>, + <0 0x11000800 0 0x80>, + <0 0x11000880 0 0x80>, + <0 0x11000900 0 0x80>, + <0 0x11000980 0 0x80>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + ; + dma-requests = <12>; + clocks = <&pericfg CLK_PERI_AP_DMA>; + clock-names = "apdma"; + mediatek,dma-33bits; + #dma-cells = <1>; + }; +