From patchwork Fri Dec 13 05:12:42 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Kumar K X-Patchwork-Id: 3337931 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E34579F2A9 for ; Fri, 13 Dec 2013 05:13:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 11A83207EF for ; Fri, 13 Dec 2013 05:13:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2AE03207F8 for ; Fri, 13 Dec 2013 05:12:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751675Ab3LMFM5 (ORCPT ); Fri, 13 Dec 2013 00:12:57 -0500 Received: from mail-pb0-f53.google.com ([209.85.160.53]:45686 "EHLO mail-pb0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751474Ab3LMFM4 (ORCPT ); Fri, 13 Dec 2013 00:12:56 -0500 Received: by mail-pb0-f53.google.com with SMTP id ma3so1860149pbc.40 for ; Thu, 12 Dec 2013 21:12:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=xd8nttb3mCRLh5qCjqkl+3YmZ+70c+g8npcmKJp3e8Q=; b=x0Q3bM22Gp4gynHjtZOAmaCu8QUaHCUrI7XE+pr1CR0XLkatZ5VJCHBSVTNJ8QVWpB tD2YRRL2emMwiMMOQTUu08CXeqWEJ9HJVzK6vkuE2ifHAj7hs22lTAtFgB1yU/0JfXGm F+qcoPkMO/2aDsAaWtPlOjhYN8qI/fE86tglXznS6ucpenc4jVxwZj4I2xUoc/71Q97p cD8A0BkaXqqqwMwsfj+vu+oL1ainnFU5W/l1siI3ek5R9yrOUCOP+b+pGACdtv87EMOr H0Qf+2OBC+8FI2oJqsv3r/G9tPqZdsde/ApY+u/UKr/7jUVv7jh8xNhcbaE+i7RUjSYL tbiw== X-Received: by 10.68.89.162 with SMTP id bp2mr729779pbb.151.1386911575416; Thu, 12 Dec 2013 21:12:55 -0800 (PST) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id xv2sm1542831pbb.39.2013.12.12.21.12.51 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 12 Dec 2013 21:12:54 -0800 (PST) From: Arun Kumar K To: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org Cc: s.nawrocki@samsung.com, mark.rutland@arm.com, shaik.ameer@samsung.com, arunkk.samsung@gmail.com Subject: [PATCH v10 1/2] [media] exynos5-is: Adds DT binding documentation Date: Fri, 13 Dec 2013 10:42:42 +0530 Message-Id: <1386911563-26236-2-git-send-email-arun.kk@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1386911563-26236-1-git-send-email-arun.kk@samsung.com> References: <1386911563-26236-1-git-send-email-arun.kk@samsung.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shaik Ameer Basha The patch adds the DT binding doc for exynos5 SoC camera subsystem. Signed-off-by: Shaik Ameer Basha Signed-off-by: Arun Kumar K Acked-by: Mark Rutland --- .../bindings/media/exynos5250-camera.txt | 136 ++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/exynos5250-camera.txt diff --git a/Documentation/devicetree/bindings/media/exynos5250-camera.txt b/Documentation/devicetree/bindings/media/exynos5250-camera.txt new file mode 100644 index 0000000..0c36bc4 --- /dev/null +++ b/Documentation/devicetree/bindings/media/exynos5250-camera.txt @@ -0,0 +1,136 @@ +Samsung EXYNOS5 SoC Camera Subsystem +------------------------------------ + +The Exynos5 SoC Camera subsystem comprises of multiple sub-devices +represented by separate device tree nodes. Currently this includes: FIMC-LITE, +MIPI CSIS and FIMC-IS. + +The sub-device nodes are referenced using phandles in the common 'camera' node +which also includes common properties of the whole subsystem not really +specific to any single sub-device, like common camera port pins or the common +camera bus clocks. + +Common 'camera' node +-------------------- + +Required properties: + +- compatible : must be "samsung,exynos5250-fimc" +- clocks : list of phandles and clock specifiers, corresponding + to entries in the clock-names property +- clock-names : must contain "sclk_bayer" entry +- samsung,csis : list of phandles to the mipi-csis device nodes +- samsung,fimc-lite : list of phandles to the fimc-lite device nodes +- samsung,fimc-is : phandle to the fimc-is device node + +The pinctrl bindings defined in ../pinctrl/pinctrl-bindings.txt must be used +to define a required pinctrl state named "default". + +'parallel-ports' node +--------------------- + +This node should contain child 'port' nodes specifying active parallel video +input ports. It includes camera A, camera B and RGB bay inputs. +'reg' property in the port nodes specifies the input type: + 1 - parallel camport A + 2 - parallel camport B + 5 - RGB camera bay + +3, 4 are for MIPI CSI-2 bus and are already described in samsung-mipi-csis.txt + +Required properties: + +For describing the input type in the child nodes, the following properties +have to be present in the parallel-ports node: +- #address-cells: Must be 1 +- #size-cells: Must be 0 + +Image sensor nodes +------------------ + +The sensor device nodes should be added to their control bus controller (e.g. +I2C0) nodes and linked to a port node in the csis or the parallel-ports node, +using the common video interfaces bindings, defined in video-interfaces.txt. + +Example: + + aliases { + fimc-lite0 = &fimc_lite_0 + }; + + /* Parallel bus IF sensor */ + i2c_0: i2c@13860000 { + s5k6aa: sensor@3c { + compatible = "samsung,s5k6aafx"; + reg = <0x3c>; + vddio-supply = <...>; + + clock-frequency = <24000000>; + clocks = <...>; + clock-names = "mclk"; + + port { + s5k6aa_ep: endpoint { + remote-endpoint = <&fimc0_ep>; + bus-width = <8>; + hsync-active = <0>; + vsync-active = <1>; + pclk-sample = <1>; + }; + }; + }; + }; + + /* MIPI CSI-2 bus IF sensor */ + s5c73m3: sensor@1a { + compatible = "samsung,s5c73m3"; + reg = <0x1a>; + vddio-supply = <...>; + + clock-frequency = <24000000>; + clocks = <...>; + clock-names = "mclk"; + + port { + s5c73m3_1: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&csis0_ep>; + }; + }; + }; + + camera { + compatible = "samsung,exynos5250-fimc"; + #address-cells = <1>; + #size-cells = <1>; + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&cam_port_a_clk_active>; + + samsung,csis = <&csis_0>, <&csis_1>; + samsung,fimc-lite = <&fimc_lite_0>, <&fimc_lite_1>, <&fimc_lite_2>; + samsung,fimc-is = <&fimc_is>; + + /* parallel camera ports */ + parallel-ports { + #address-cells = <1>; + #size-cells = <0>; + + /* camera A input */ + port@1 { + reg = <1>; + camport_a_ep: endpoint { + remote-endpoint = <&s5k6aa_ep>; + bus-width = <8>; + hsync-active = <0>; + vsync-active = <1>; + pclk-sample = <1>; + }; + }; + }; + }; + +MIPI-CSIS device binding is defined in samsung-mipi-csis.txt, FIMC-LITE +device binding is defined in exynos-fimc-lite.txt and FIMC-IS binding +is defined in exynos5-fimc-is.txt.