From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Wu Subject: [PATCH 5/5] media: ov2640: dt: add the device tree binding document Date: Mon, 8 Dec 2014 19:29:07 +0800 Message-ID: <1418038147-13221-6-git-send-email-josh.wu@atmel.com> References: <1418038147-13221-1-git-send-email-josh.wu@atmel.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1418038147-13221-1-git-send-email-josh.wu@atmel.com> Sender: linux-media-owner@vger.kernel.org To: linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com Cc: m.chehab@samsung.com, linux-arm-kernel@lists.infradead.org, g.liakhovetski@gmx.de, Josh Wu , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Add the document for ov2640 dt. Cc: devicetree@vger.kernel.org Signed-off-by: Josh Wu --- v1 -> v2: 1. change the compatible string to be consistent with verdor file. 2. change the clock and pins' name. 3. add missed pinctrl in example. .../devicetree/bindings/media/i2c/ov2640.txt | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov2640.txt diff --git a/Documentation/devicetree/bindings/media/i2c/ov2640.txt b/Documentation/devicetree/bindings/media/i2c/ov2640.txt new file mode 100644 index 0000000..15be3cb --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov2640.txt @@ -0,0 +1,44 @@ +* Omnivision ov2640 CMOS sensor + +The Omnivision OV2640 sensor support multiple resolutions output, such as +CIF, SVGA, UXGA. It also can support YUV422/420, RGB565/555 or raw RGB +output format. + +Required Properties : +- compatible: Must be "ovti,ov2640" +- clocks: reference master clock, if using external fixed clock, you + no need to have such property. +- clock-names: Must be "xvclk", it means the master clock for ov2640. + +Optional Properties: +- resetb-gpios: reset pin +- pwdn-gpios: power down pin + +The device node must contain one 'port' child node for its digital output +video port, in accordance with the video interface bindings defined in +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: + + i2c1: i2c@f0018000 { + ov2640: camera@0x30 { + compatible = "ovti,ov2640"; + reg = <0x30>; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pck1 &pinctrl_ov2640_pwdn &pinctrl_ov2640_reset>; + + resetb-gpios = <&pioE 24 GPIO_ACTIVE_HIGH>; + pwdn-gpios = <&pioE 29 GPIO_ACTIVE_HIGH>; + + clocks = <&pck1>; + clock-names = "xvclk"; + + port { + ov2640_0: endpoint { + remote-endpoint = <&isi_0>; + bus-width = <8>; + }; + }; + }; + }; -- 1.9.1