From patchwork Thu Jul 27 03:51:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yong X-Patchwork-Id: 9866265 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9D4826035E for ; Thu, 27 Jul 2017 03:52:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8FEC92871B for ; Thu, 27 Jul 2017 03:52:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 848EE287E7; Thu, 27 Jul 2017 03:52:25 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 150912871B for ; Thu, 27 Jul 2017 03:52:24 +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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=JeGpDPMIvwxwchay7KnzRPo2ofZecw/4kZboOaca2E8=; b=GY3/37u25HuYR+6Ij6RkXvSUTt HUV7bq0HQak3ENujsNwhE1pBkdpG02DaICC10b/O4yMXwKDY5fYCkBWwKUpqwvTPa5FLdHXnQQkFH M1JPEDcDxZP4cazmOQN0QZauG5/LosvYPCwOQFxhS+iOKzNObl5fQc+7KMSs1WohwlX9JKtC8rrSw RmDq8gEDrGgXeRONQqcvlt2YwY0pe2dKjLo+i/86ERqEZXWuRLakI/ZeYLByjTaoMOJoDPfxLBAwu 0XDdx4ligYyoANN3UdCAXHwo2t9sXm1IivSUOpNlrhr/A2Rmlbd5bBzNVFaZ6x6BD3JTPZRn3xbKI IzQxEyCg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1daZqW-00063q-IU; Thu, 27 Jul 2017 03:52:20 +0000 Received: from out20-85.mail.aliyun.com ([115.124.20.85]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1daZqD-0005nv-36 for linux-arm-kernel@lists.infradead.org; Thu, 27 Jul 2017 03:52:03 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.09149663|-1; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03280; MF=yong.deng@magewell.com; NM=1; PH=DS; RN=25; RT=25; SR=0; TI=SMTPD_---.8VO-YNA_1501127477; Received: from linuxproject.localdomain(mailfrom:yong.deng@magewell.com ip:58.213.29.2) by smtp.aliyun-inc.com(10.147.42.16); Thu, 27 Jul 2017 11:51:21 +0800 From: Yong Deng To: Mauro Carvalho Chehab , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Greg Kroah-Hartman , "David S. Miller" , Hans Verkuil , Arnd Bergmann , Hugues Fruchet , Yannick Fertre , Philipp Zabel , Benoit Parrot , Benjamin Gaignard , Jean-Christophe Trotin , Ramesh Shanmugasundaram , Minghsiu Tsai , Krzysztof Kozlowski , Robert Jarzmik , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v2 2/3] dt-bindings: media: Add Allwinner V3s Camera Sensor Interface (CSI) Date: Thu, 27 Jul 2017 11:51:13 +0800 Message-Id: <1501127474-40895-3-git-send-email-yong.deng@magewell.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1501127474-40895-1-git-send-email-yong.deng@magewell.com> References: <1501127474-40895-1-git-send-email-yong.deng@magewell.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170726_205201_340180_EFE1A1C5 X-CRM114-Status: GOOD ( 12.61 ) 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: Yong Deng MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add binding documentation for Allwinner V3s CSI. Signed-off-by: Yong Deng --- .../devicetree/bindings/media/sun6i-csi.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt new file mode 100644 index 0000000..f8d83f6 --- /dev/null +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt @@ -0,0 +1,49 @@ +Allwinner V3s Camera Sensor Interface +------------------------------ + +Required properties: + - compatible: value must be "allwinner,sun8i-v3s-csi" + - reg: base address and size of the memory-mapped region. + - interrupts: interrupt associated to this IP + - clocks: phandles to the clocks feeding the CSI + * ahb: the CSI interface clock + * mod: the CSI module clock + * ram: the CSI DRAM clock + - clock-names: the clock names mentioned above + - resets: phandles to the reset line driving the CSI + +- ports: A ports node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: + + csi1: csi@01cb4000 { + compatible = "allwinner,sun8i-v3s-csi"; + reg = <0x01cb4000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_CSI>, + <&ccu CLK_CSI1_SCLK>, + <&ccu CLK_DRAM_CSI>; + clock-names = "ahb", "mod", "ram"; + resets = <&ccu RST_BUS_CSI>; + + port { + #address-cells = <1>; + #size-cells = <0>; + + /* Parallel bus endpoint */ + csi1_ep: endpoint { + remote-endpoint = <&adv7611_ep>; + bus-width = <16>; + data-shift = <0>; + + /* If hsync-active/vsync-active are missing, + embedded BT.656 sync is used */ + hsync-active = <0>; /* Active low */ + vsync-active = <0>; /* Active low */ + data-active = <1>; /* Active high */ + pclk-sample = <1>; /* Rising */ + }; + }; + }; +