From patchwork Mon Oct 30 01:44:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenyou.Yang@microchip.com X-Patchwork-Id: 10031869 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 D6508602D6 for ; Mon, 30 Oct 2017 01:49:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C78762873C for ; Mon, 30 Oct 2017 01:49:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BC8892873F; Mon, 30 Oct 2017 01:49:11 +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 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 598922873C for ; Mon, 30 Oct 2017 01:49:11 +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=okz9SSypjv/JLh4gu6g+7j98CXsYU5o86saAy7bOh8g=; b=bVd77I0qu0zbK5 UPTxmHZ15oeV7/Yf1Xa1v/GcvHWRk3VOPZQBMLGR6rBKJsHnWYPO2Wm5ZM9LyuN+aEDwNvOUToKzN 3GKv157ACw4Vk3ZCUrUTFtYVkVqKxbUaxG0cRb9eIAcuqPIbyTBwwj3JmltTaw8+rv9zjOZg7CVgK vKMvg1jiRbnRi8MJIgu44L7gi/0jiW9D4O1TksYPH1AZ9NsR81yHjVC+zN04PkteFScl1uvbPd9Xg 9SdTaY4zajNy74kpUAhCIFZNPMxL/kts/czTleoa6zaeXDqyGxQrPmpgtsDt9VIvyMKYo6ib2mzUx RbnsyksME8nhVo2rEiKw==; 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 1e8zCQ-0004kO-PE; Mon, 30 Oct 2017 01:49:10 +0000 Received: from eusmtp01.atmel.com ([212.144.249.243]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1e8zCJ-0004TW-4D for linux-arm-kernel@lists.infradead.org; Mon, 30 Oct 2017 01:49:05 +0000 Received: from apsmtp01.atmel.com (10.168.254.31) by eusmtp01.atmel.com (10.145.145.31) with Microsoft SMTP Server id 14.3.235.1; Mon, 30 Oct 2017 02:48:39 +0100 Received: from shaarm01.corp.atmel.com (10.168.254.13) by apsmtp01.atmel.com (10.168.254.31) with Microsoft SMTP Server id 14.3.235.1; Mon, 30 Oct 2017 09:55:01 +0800 From: Wenyou Yang To: Mauro Carvalho Chehab , Rob Herring , Mark Rutland Subject: [PATCH v3 2/3] media: ov7740: Document device tree bindings Date: Mon, 30 Oct 2017 09:44:31 +0800 Message-ID: <20171030014432.24025-3-wenyou.yang@microchip.com> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20171030014432.24025-1-wenyou.yang@microchip.com> References: <20171030014432.24025-1-wenyou.yang@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171029_184903_583941_C75EAD09 X-CRM114-Status: GOOD ( 11.48 ) 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, Wenyou Yang , Jonathan Corbet , linux-kernel@vger.kernel.org, Hans Verkuil , Sakari Ailus , linux-arm-kernel@lists.infradead.org, Linux Media Mailing List 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 the device tree binding documentation for the ov7740 sensor driver. Signed-off-by: Wenyou Yang --- Changes in v3: - Explicitly document the "remote-endpoint" property. Changes in v2: None .../devicetree/bindings/media/i2c/ov7740.txt | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov7740.txt diff --git a/Documentation/devicetree/bindings/media/i2c/ov7740.txt b/Documentation/devicetree/bindings/media/i2c/ov7740.txt new file mode 100644 index 000000000000..af781c3a5f0e --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov7740.txt @@ -0,0 +1,47 @@ +* Omnivision OV7740 CMOS image sensor + +The Omnivision OV7740 image sensor supports multiple output image +size, such as VGA, and QVGA, CIF and any size smaller. It also +supports the RAW RGB and YUV output formats. + +The common video interfaces bindings (see video-interfaces.txt) should +be used to specify link to the image data receiver. The OV7740 device +node should contain one 'port' child node with an 'endpoint' subnode. + +Required Properties: +- compatible: "ovti,ov7740". +- reg: I2C slave address of the sensor. +- clocks: Reference to the xvclk input clock. +- clock-names: "xvclk". + +Optional Properties: +- reset-gpios: Rreference to the GPIO connected to the reset_b pin, + if any. Active low with pull-ip resistor. +- powerdown-gpios: Reference to the GPIO connected to the pwdn pin, + if any. Active high with pull-down resistor. + +Endpoint node mandatory properties: +- remote-endpoint: A phandle to the bus receiver's endpoint node. + +Example: + + i2c1: i2c@fc028000 { + ov7740: camera@21 { + compatible = "ovti,ov7740"; + reg = <0x21>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sensor_power &pinctrl_sensor_reset>; + clocks = <&isc>; + clock-names = "xvclk"; + assigned-clocks = <&isc>; + assigned-clock-rates = <24000000>; + reset-gpios = <&pioA 43 GPIO_ACTIVE_LOW>; + powerdown-gpios = <&pioA 44 GPIO_ACTIVE_HIGH>; + + port { + ov7740_0: endpoint { + remote-endpoint = <&isc_0>; + }; + }; + }; + };