From patchwork Fri Dec 8 01:55:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenyou Yang X-Patchwork-Id: 845955 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ytFvt6zr9z9s82 for ; Fri, 8 Dec 2017 13:01:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752572AbdLHCBp (ORCPT ); Thu, 7 Dec 2017 21:01:45 -0500 Received: from f5out.microchip.com ([198.175.253.81]:27937 "EHLO DVREDG01.corp.atmel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752565AbdLHCBo (ORCPT ); Thu, 7 Dec 2017 21:01:44 -0500 Received: from apsmtp01.atmel.com (10.168.254.30) by DVREDG01.corp.atmel.com (10.10.204.148) with Microsoft SMTP Server (TLS) id 14.3.235.1; Thu, 7 Dec 2017 19:01:36 -0700 Received: from shaarm01.corp.atmel.com (10.168.254.13) by apsmtp01.corp.atmel.com (10.168.254.30) with Microsoft SMTP Server id 14.3.235.1; Fri, 8 Dec 2017 10:08:16 +0800 From: Wenyou Yang To: Mauro Carvalho Chehab , Rob Herring , Mark Rutland CC: , Nicolas Ferre , , Sakari Ailus , Jonathan Corbet , Hans Verkuil , , "Linux Media Mailing List" , Wenyou Yang Subject: [PATCH v8 1/2] media: ov7740: Document device tree bindings Date: Fri, 8 Dec 2017 09:55:41 +0800 Message-ID: <20171208015542.15444-2-wenyou.yang@microchip.com> X-Mailer: git-send-email 2.15.0 In-Reply-To: <20171208015542.15444-1-wenyou.yang@microchip.com> References: <20171208015542.15444-1-wenyou.yang@microchip.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the device tree binding documentation for the ov7740 sensor driver. Signed-off-by: Wenyou Yang Acked-by: Rob Herring --- Changes in v8: None Changes in v7: - Add Acked-by tag. Changes in v6: None Changes in v5: None Changes in v4: None 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>; + }; + }; + }; + };