From patchwork Fri Dec 22 09:41:29 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yong X-Patchwork-Id: 10129593 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 46BD760318 for ; Fri, 22 Dec 2017 10:13:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 34CD529FDD for ; Fri, 22 Dec 2017 10:13:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2692729FE9; Fri, 22 Dec 2017 10:13:26 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable 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 5E51229FDD for ; Fri, 22 Dec 2017 10:13:23 +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: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:In-Reply-To: References:List-Owner; bh=KubVcZxe1MJQ0upcDSgKIhvy0fpDaSReVOG+lw4QcNs=; b=GHr 3uNvnPbLVeVcYgJPlbZwrCtPrZQiFzVS8K+EPVdj7J+YA8Xnkt6Zo5Wd1eNW5uimN5ehsaZqhoPDH OHqwdgdbFPhkUdDDnG2/tMCZas1VS38ppC/CZNiC9iEEpI81iS4v9DPHXI/0EvQGnRFF88fNDikfJ wTPW24PnZKg/K2TCBh/L+t4XVVvprMfMqi9HZfsoslf6/1vmRDtrLfVHSWmtEMlMakhivfkllBi2U RdA30SrhETkj29jU4BYxw+oky24WikcB2oN0MV3glT33CUe6akFEvH0I+hD5yuAHZvfgdIXV35nYZ +1oOsjfxDSmSK7KOJIgA/F5cjv7ycZw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eSKKR-00022m-0N; Fri, 22 Dec 2017 10:13:23 +0000 Received: from merlin.infradead.org ([2001:8b0:10b:1231::1]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eSKKP-00022C-3x for linux-arm-kernel@bombadil.infradead.org; Fri, 22 Dec 2017 10:13:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Message-Id:Date:Subject:Cc:To:From: Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=IQgDwUK2zYgyIpDXfaY0IN382mdcBO1n+ugpw1uvfeQ=; b=jChCSKfbAswxzeLC8fECTsWS1 Rc/DR0H2W6FNVt9WJw/8brEiPmI1vy8so+K96wDH8ZN1UNMN55uTRcOkw5RsnGfpvvT4DUUvPP/zP 0TYAC3kyZ+76+AHn5HB7Ou/3Em/e7jakgOfTKtu0guPgpZ8hz3OhwVsvhBJkjFGnErfgdbPvSq3Hw mTghcSY7i6dQ6aYsXO9MmCYgkj3ScC/jMoMb1nEJk8e/8AEVE4id/yH/rUzNxrVIkOrNeVOcEeMEx 6PYhjt9Hi/s7AN7WTqumHqT75ttn7a9XK37/XQYnEntz3mi5Jn39cr4YsJ8umjiG8JIrciJjVJTxf nrLFZs/JA==; Received: from out20-87.mail.aliyun.com ([115.124.20.87]) by merlin.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eSJrW-0003lg-FK for linux-arm-kernel@lists.infradead.org; Fri, 22 Dec 2017 09:43:35 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.09372291|-1; CH=green; FP=0|0|0|0|0|-1|-1|-1; HT=e01l01425; MF=yong.deng@magewell.com; NM=1; PH=DS; RN=24; RT=24; SR=0; TI=SMTPD_---.9psYKed_1513935748; Received: from linuxproject.localdomain(mailfrom:yong.deng@magewell.com fp:58.213.29.2) by smtp.aliyun-inc.com(10.147.42.135); Fri, 22 Dec 2017 17:42:29 +0800 From: Yong Deng To: Maxime Ripard Subject: [PATCH v4 1/2] dt-bindings: media: Add Allwinner V3s Camera Sensor Interface (CSI) Date: Fri, 22 Dec 2017 17:41:29 +0800 Message-Id: <1513935689-35415-1-git-send-email-yong.deng@magewell.com> X-Mailer: git-send-email 1.8.3.1 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: Mark Rutland , Stanimir Varbanov , linux-sunxi@googlegroups.com, Benjamin Gaignard , Rick Chang , Chen-Yu Tsai , Hans Verkuil , linux-media@vger.kernel.org, devicetree@vger.kernel.org, Philipp Zabel , Arnd Bergmann , Rob Herring , Yong Deng , Hugues Fruchet , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, Greg Kroah-Hartman , Randy Dunlap , linux-kernel@vger.kernel.org, Yannick Fertre , Sakari Ailus , Ramesh Shanmugasundaram , "David S. Miller" 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 | 51 ++++++++++++++++++++++ 1 file changed, 51 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..b5bfe3f --- /dev/null +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt @@ -0,0 +1,51 @@ +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 + * bus: 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. + Currently, the driver only support the parallel interface. So, a single port + node with one endpoint and parallel bus is supported. + +Example: + + csi1: csi@1cb4000 { + compatible = "allwinner,sun8i-v3s-csi"; + reg = <0x01cb4000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_CSI>, + <&ccu CLK_CSI1_SCLK>, + <&ccu CLK_DRAM_CSI>; + clock-names = "bus", "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 */ + }; + }; + }; +