From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B56D8C83008 for ; Tue, 28 Apr 2020 18:07:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B007206A1 for ; Tue, 28 Apr 2020 18:07:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="TLmz9BS/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728647AbgD1SHZ (ORCPT ); Tue, 28 Apr 2020 14:07:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728509AbgD1SHX (ORCPT ); Tue, 28 Apr 2020 14:07:23 -0400 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60F2EC03C1AC for ; Tue, 28 Apr 2020 11:07:23 -0700 (PDT) Received: by mail-wr1-x442.google.com with SMTP id d17so25795392wrg.11 for ; Tue, 28 Apr 2020 11:07:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=VPA3w2FdcezMr0VjYZPl3nlwaovVy4TaRn2qmUqyAi4=; b=TLmz9BS/d2TYOsdIdUAD5o/Fp3XUwakv6RIGZZUA/4tYljrFh9j7d0DW/ISgTFgG/Z 1Ask2XFRkfmE2kunQsPwOEeyY2Yyy4y9HQch6RvVhQW2EWSrluFucZfkbRPFmxV84dJw beIaRHbmse3RIiV7+JQl41EdEC/SzOgXPM5rWr4AdNijexqE//CX2nM+fP3OA1OP4RU0 4t8bpOFRD8TDtI4sIZHdchuA7+yYtWGk2cbJZt9Opc6nQNGsTiPLB6dHNcECM/fIVirv jKA5yOjYxhCghMVIe7bxTHBaCT/dYBWz66+w7DAtyv2Qwvki5ydKbS0lrLOWL8rhk/9X 8Kbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=VPA3w2FdcezMr0VjYZPl3nlwaovVy4TaRn2qmUqyAi4=; b=M7cz+t0ToUxoX1ZS/ITpanAjo4HFmjXRNfkWsqQ65ZtkeD5uuUFS8pulcbHlCL1XId Aj6n8N6Fvt/hl188y5aI9zwRWBLuM471Tf8Dx3vlsmuIZJY8ciCdK1h5raEBXOPvAP9/ jb5Vb2dACy86u/4H2Ce4+NQz8njFeAGgVt3uPaIRuLGqaChCEUAfGDB3JJCJSW4+VT2U CqeJuu47Fz1mqT9tDt3gK0+xsFqngjKD9BsU5A88AC8jPNJns+2UaeaIXwv01Ms538Hs p4XeG7KU8jsYAe1bZ0NaQGxTRUW1xNY9Ke7Fiwy2GZNgx2OSCtJjZr9YLNdzvM9sBRUr YXmw== X-Gm-Message-State: AGi0PuakCXHNlWp3lZ8LavplVQ1fkPmRGdlYYTesZGqR2SnopWTP9rMQ t0ZVaROXB2ZLoPXO33JFabSdDQ== X-Google-Smtp-Source: APiQypINfxdob9FO2QvTVw7sPiDBDVf4K2zUjDUnciTcfESlBOyJPryvyeFbi74J9/PMNz7LW2fubQ== X-Received: by 2002:a5d:6689:: with SMTP id l9mr33641451wru.261.1588097241896; Tue, 28 Apr 2020 11:07:21 -0700 (PDT) Received: from xps7590.local ([37.120.81.28]) by smtp.gmail.com with ESMTPSA id m14sm26202789wrs.76.2020.04.28.11.07.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Apr 2020 11:07:21 -0700 (PDT) From: Robert Foss To: Andy Shevchenko , Sakari Ailus , Marco Felsch , Maxime Ripard , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Dongchun Zhu , Fabio Estevam , Tomasz Figa , Robert Foss Subject: [PATCH v8 v5 1/3] media: dt-bindings: ov8856: Document YAML bindings Date: Tue, 28 Apr 2020 20:07:16 +0200 Message-Id: <20200428180718.1609826-1-robert.foss@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dongchun Zhu This patch adds documentation of device tree in YAML schema for the OV8856 CMOS image sensor. Signed-off-by: Dongchun Zhu Signed-off-by: Robert Foss --- - Changes since v7: * Marco: Make 'port' property optional * Maxime & Sakari: Add 'link-frequencies' property to dt binding * robher: Improve description for 'port' property - Changes since v6: * Marco: remove qcom specifics from DT example - Changes since v5: * Add assigned-clocks and assigned-clock-rates * robher: dt-schema errors - Changes since v4: * Fabio: Change reset-gpio to GPIO_ACTIVE_LOW, explain in description * Add clock-lanes property to example * robher: Fix syntax error in devicetree example - Changes since v3: * robher: Fix syntax error * robher: Removed maxItems * Fixes yaml 'make dt-binding-check' errors - Changes since v2: Fixes comments from from Andy, Tomasz, Sakari, Rob. * Convert text documentation to YAML schema. - Changes since v1: Fixes comments from Sakari, Tomasz * Add clock-frequency and link-frequencies in DT .../devicetree/bindings/media/i2c/ov8856.yaml | 140 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 141 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov8856.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/ov8856.yaml b/Documentation/devicetree/bindings/media/i2c/ov8856.yaml new file mode 100644 index 000000000000..f78d3eae81cb --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov8856.yaml @@ -0,0 +1,140 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (c) 2019 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/ov8856.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Omnivision OV8856 CMOS Sensor Device Tree Bindings + +maintainers: + - Ben Kao + - Dongchun Zhu + +description: |- + The Omnivision OV8856 is a high performance, 1/4-inch, 8 megapixel, CMOS + image sensor that delivers 3264x2448 at 30fps. It provides full-frame, + sub-sampled, and windowed 10-bit MIPI images in various formats via the + Serial Camera Control Bus (SCCB) interface. This chip is programmable + through I2C and two-wire SCCB. The sensor output is available via CSI-2 + serial data output (up to 4-lane). + +properties: + compatible: + const: ovti,ov8856 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + description: + Input clock for the sensor. + items: + - const: xvclk + + clock-frequency: + description: + Frequency of the xvclk clock in Hertz. + + dovdd-supply: + description: + Definition of the regulator used as interface power supply. + + avdd-supply: + description: + Definition of the regulator used as analog power supply. + + dvdd-supply: + description: + Definition of the regulator used as digital power supply. + + reset-gpios: + description: + The phandle and specifier for the GPIO that controls sensor reset. + This corresponds to the hardware pin XSHUTDOWN which is physically + active low. + + port: + type: object + additionalProperties: false + description: + A node containing an output port node with an endpoint definition + as documented in + Documentation/devicetree/bindings/media/video-interfaces.txt + + properties: + endpoint: + type: object + + properties: + clock-lanes: + maxItems: 1 + + data-lanes: + maxItems: 1 + + link-frequencies: + maxItems: 1 + + remote-endpoint: true + + required: + - clock-lanes + - data-lanes + - remote-endpoint + - link-frequencies + + required: + - endpoint + +required: + - compatible + - reg + - clocks + - clock-names + - clock-frequency + - dovdd-supply + - avdd-supply + - dvdd-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + ov8856: camera@10 { + compatible = "ovti,ov8856"; + reg = <0x10>; + + reset-gpios = <&pio 111 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&clk_24m_cam>; + + clocks = <&cam_osc>; + clock-names = "xvclk"; + clock-frequency = <19200000>; + + avdd-supply = <&mt6358_vcama2_reg>; + dvdd-supply = <&mt6358_vcamd_reg>; + dovdd-supply = <&mt6358_vcamio_reg>; + + port { + wcam_out: endpoint { + remote-endpoint = <&mipi_in_wcam>; + clock-lanes = <0>; + data-lanes = <1 2 3 4>; + link-frequencies = /bits/ 64 <360000000 180000000>; + }; + }; + }; + }; +... \ No newline at end of file diff --git a/MAINTAINERS b/MAINTAINERS index 26f281d9f32a..84b262afd13d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12489,6 +12489,7 @@ L: linux-media@vger.kernel.org S: Maintained T: git git://linuxtv.org/media_tree.git F: drivers/media/i2c/ov8856.c +F: Documentation/devicetree/bindings/media/i2c/ov8856.yaml OMNIVISION OV9640 SENSOR DRIVER M: Petr Cvek -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCB93C83004 for ; 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Tue, 28 Apr 2020 11:07:21 -0700 (PDT) Received: from xps7590.local ([37.120.81.28]) by smtp.gmail.com with ESMTPSA id m14sm26202789wrs.76.2020.04.28.11.07.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Apr 2020 11:07:21 -0700 (PDT) From: Robert Foss To: Andy Shevchenko , Sakari Ailus , Marco Felsch , Maxime Ripard , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 v5 1/3] media: dt-bindings: ov8856: Document YAML bindings Date: Tue, 28 Apr 2020 20:07:16 +0200 Message-Id: <20200428180718.1609826-1-robert.foss@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200428_110723_267757_8F339E13 X-CRM114-Status: GOOD ( 14.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fabio Estevam , Dongchun Zhu , Robert Foss , Tomasz Figa Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Dongchun Zhu This patch adds documentation of device tree in YAML schema for the OV8856 CMOS image sensor. Signed-off-by: Dongchun Zhu Signed-off-by: Robert Foss --- - Changes since v7: * Marco: Make 'port' property optional * Maxime & Sakari: Add 'link-frequencies' property to dt binding * robher: Improve description for 'port' property - Changes since v6: * Marco: remove qcom specifics from DT example - Changes since v5: * Add assigned-clocks and assigned-clock-rates * robher: dt-schema errors - Changes since v4: * Fabio: Change reset-gpio to GPIO_ACTIVE_LOW, explain in description * Add clock-lanes property to example * robher: Fix syntax error in devicetree example - Changes since v3: * robher: Fix syntax error * robher: Removed maxItems * Fixes yaml 'make dt-binding-check' errors - Changes since v2: Fixes comments from from Andy, Tomasz, Sakari, Rob. * Convert text documentation to YAML schema. - Changes since v1: Fixes comments from Sakari, Tomasz * Add clock-frequency and link-frequencies in DT .../devicetree/bindings/media/i2c/ov8856.yaml | 140 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 141 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov8856.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/ov8856.yaml b/Documentation/devicetree/bindings/media/i2c/ov8856.yaml new file mode 100644 index 000000000000..f78d3eae81cb --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov8856.yaml @@ -0,0 +1,140 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (c) 2019 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/ov8856.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Omnivision OV8856 CMOS Sensor Device Tree Bindings + +maintainers: + - Ben Kao + - Dongchun Zhu + +description: |- + The Omnivision OV8856 is a high performance, 1/4-inch, 8 megapixel, CMOS + image sensor that delivers 3264x2448 at 30fps. It provides full-frame, + sub-sampled, and windowed 10-bit MIPI images in various formats via the + Serial Camera Control Bus (SCCB) interface. This chip is programmable + through I2C and two-wire SCCB. The sensor output is available via CSI-2 + serial data output (up to 4-lane). + +properties: + compatible: + const: ovti,ov8856 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + description: + Input clock for the sensor. + items: + - const: xvclk + + clock-frequency: + description: + Frequency of the xvclk clock in Hertz. + + dovdd-supply: + description: + Definition of the regulator used as interface power supply. + + avdd-supply: + description: + Definition of the regulator used as analog power supply. + + dvdd-supply: + description: + Definition of the regulator used as digital power supply. + + reset-gpios: + description: + The phandle and specifier for the GPIO that controls sensor reset. + This corresponds to the hardware pin XSHUTDOWN which is physically + active low. + + port: + type: object + additionalProperties: false + description: + A node containing an output port node with an endpoint definition + as documented in + Documentation/devicetree/bindings/media/video-interfaces.txt + + properties: + endpoint: + type: object + + properties: + clock-lanes: + maxItems: 1 + + data-lanes: + maxItems: 1 + + link-frequencies: + maxItems: 1 + + remote-endpoint: true + + required: + - clock-lanes + - data-lanes + - remote-endpoint + - link-frequencies + + required: + - endpoint + +required: + - compatible + - reg + - clocks + - clock-names + - clock-frequency + - dovdd-supply + - avdd-supply + - dvdd-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + ov8856: camera@10 { + compatible = "ovti,ov8856"; + reg = <0x10>; + + reset-gpios = <&pio 111 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&clk_24m_cam>; + + clocks = <&cam_osc>; + clock-names = "xvclk"; + clock-frequency = <19200000>; + + avdd-supply = <&mt6358_vcama2_reg>; + dvdd-supply = <&mt6358_vcamd_reg>; + dovdd-supply = <&mt6358_vcamio_reg>; + + port { + wcam_out: endpoint { + remote-endpoint = <&mipi_in_wcam>; + clock-lanes = <0>; + data-lanes = <1 2 3 4>; + link-frequencies = /bits/ 64 <360000000 180000000>; + }; + }; + }; + }; +... \ No newline at end of file diff --git a/MAINTAINERS b/MAINTAINERS index 26f281d9f32a..84b262afd13d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12489,6 +12489,7 @@ L: linux-media@vger.kernel.org S: Maintained T: git git://linuxtv.org/media_tree.git F: drivers/media/i2c/ov8856.c +F: Documentation/devicetree/bindings/media/i2c/ov8856.yaml OMNIVISION OV9640 SENSOR DRIVER M: Petr Cvek -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel