From patchwork Tue Sep 10 13:04:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dongchun Zhu X-Patchwork-Id: 11139495 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ED9C2912 for ; Tue, 10 Sep 2019 13:05:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D68E921881 for ; Tue, 10 Sep 2019 13:05:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728864AbfIJNFA (ORCPT ); Tue, 10 Sep 2019 09:05:00 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:28575 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725916AbfIJNFA (ORCPT ); Tue, 10 Sep 2019 09:05:00 -0400 X-UUID: 94e2d771f664496489e282bd0254852a-20190910 X-UUID: 94e2d771f664496489e282bd0254852a-20190910 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 927411041; Tue, 10 Sep 2019 21:04:53 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 10 Sep 2019 21:04:50 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 10 Sep 2019 21:04:50 +0800 From: To: , , , , , , , , CC: , , , , , , , , Subject: [V2, 1/2] media: dt-bindings: media: i2c: Add bindings for ov8856 Date: Tue, 10 Sep 2019 21:04:45 +0800 Message-ID: <20190910130446.26413-2-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 In-Reply-To: <20190910130446.26413-1-dongchun.zhu@mediatek.com> References: <20190910130446.26413-1-dongchun.zhu@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Dongchun Zhu This patch adds device tree bindings documentation for the ov8856 CMOS image sensor. Signed-off-by: Dongchun Zhu --- .../devicetree/bindings/media/i2c/ov8856.txt | 51 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov8856.txt diff --git a/Documentation/devicetree/bindings/media/i2c/ov8856.txt b/Documentation/devicetree/bindings/media/i2c/ov8856.txt new file mode 100644 index 0000000..99c654a --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov8856.txt @@ -0,0 +1,51 @@ +* Omnivision OV8856 MIPI CSI-2 sensor + +Required Properties: +- compatible: Shall be "ovti,ov8856" +- reg: I2C bus address of the device. Depending on how the sensor is wired, + it shall be <0x10>. +- clocks: Reference to the xvclk input clock. +- clock-names: Shall be "xvclk". +- clock-frequency: Frequency of the xclk clock. +- dovdd-supply: Digital I/O voltage supply, 1.8 volts +- avdd-supply: Analog voltage supply, 2.8 volts +- dvdd-supply: Digital core voltage supply, 1.5 volts +- reset-gpios: High active reset gpio + +The device node shall contain one 'port' child node with +an 'endpoint' subnode. For further reading on port node refer to +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Required Properties on endpoint: +- data-lanes: check ../video-interfaces.txt +- link-frequencies: check ../video-interfaces.txt +- remote-endpoint: check ../video-interfaces.txt + +Example: + +&i2c1 { + ov8856: camera-sensor@10 { + compatible = "ovti,ov8856"; + reg = <0x10>; + pinctrl-names = "default"; + pinctrl-0 = <&clk_24m_cam>; + + clocks = <&cru SCLK_TESTCLKOUT1>; + clock-names = "xvclk"; + clock-frequency = <19200000>; + + avdd-supply = <&mt6358_vcama2_reg>; + dvdd-supply = <&mt6358_vcamd_reg>; + dovdd-supply = <&mt6358_vcamio_reg>; + reset-gpios = <&pio 111 GPIO_ACTIVE_HIGH>; + + port { + /* MIPI CSI-2 bus endpoint */ + wcam_out: endpoint { + remote-endpoint = <&mipi_in_wcam>; + data-lanes = <1 2 3 4>; + link-frequencies = /bits/ 64 <360000000 180000000>; + }; + }; + }; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 783569e..7746c6b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11889,6 +11889,7 @@ L: linux-media@vger.kernel.org T: git git://linuxtv.org/media_tree.git S: Maintained F: drivers/media/i2c/ov8856.c +F: Documentation/devicetree/bindings/media/i2c/ov8856.txt OMNIVISION OV9650 SENSOR DRIVER M: Sakari Ailus