From patchwork Mon Jan 6 08:42:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 206143 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 A520AC33C9A for ; Mon, 6 Jan 2020 08:42:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79C6820656 for ; Mon, 6 Jan 2020 08:42:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578300178; bh=eabKL18AAzpQs7KMk7cqLiDvGMendqJwGmYVKRn/npc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=puu0wSg8Gvssmga0T1bnGAXIPRLULZ+TngI8VB/NKJPaF6sz/Z7XrBQ/XpAf15J55 bPEM9Hu3+cOAocJ1g+1WBIAOICvsfOBhtNc/hCkz3iT29US0KvEPVKvPxaNhON1vFS N+5SltKsxqwssQXUUeILhJvACdRAu20e6/GjHePo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726487AbgAFImq (ORCPT ); Mon, 6 Jan 2020 03:42:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:40274 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726454AbgAFImq (ORCPT ); Mon, 6 Jan 2020 03:42:46 -0500 Received: from wens.tw (mirror2.csie.ntu.edu.tw [140.112.30.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4C33B24650; Mon, 6 Jan 2020 08:42:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578300165; bh=eabKL18AAzpQs7KMk7cqLiDvGMendqJwGmYVKRn/npc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pXwgWqOLaJDHrV6gn7hPWU3tYmP03Kj7jWrjjfrxSrXL4FWxVbPRsJb70RgiflMH9 BobgEdByqkaNjxeyRIx914goQAcOnICbepYLASF/nDWFRITne3EjYZ9MPoQxn3o7MO vIsjK25aMT5HAXTY/MArWQn7dRAwPSheLdvNQjGg= Received: by wens.tw (Postfix, from userid 1000) id 68F155FD69; Mon, 6 Jan 2020 16:42:41 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard , Rob Herring , Mark Rutland Cc: Chen-Yu Tsai , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 5/7] [DO NOT MERGE] ARM: dts: sun4i: cubieboard: Enable OV7670 camera on CSI1 Date: Mon, 6 Jan 2020 16:42:38 +0800 Message-Id: <20200106084240.1076-6-wens@kernel.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200106084240.1076-1-wens@kernel.org> References: <20200106084240.1076-1-wens@kernel.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Chen-Yu Tsai The Cubieboard has CSI1 pins exposed on one of its GPIO headers. Combined with I2C1 on the same header, a connected OV7670 based camera module can be used. Power is provided via the 5V rail on the same header. The module has onboard LDOs for the sensor's various power rails. Add a device node for the sensor, enable CSI1 and I2C1, and hook everything up. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts index 6ca02e824acc..29bfec8fad5b 100644 --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts @@ -101,6 +101,25 @@ &cpu0 { cpu-supply = <®_dcdc2>; }; +&csi1 { + pinctrl-names = "default"; + pinctrl-0 = <&csi1_8bits_pg_pins>; + status = "okay"; + + port { + /* Parallel bus endpoint */ + csi_from_ov7670: endpoint { + remote-endpoint = <&ov7670_to_csi>; + bus-width = <8>; + /* driver is broken */ + hsync-active = <0>; /* Active high */ + vsync-active = <1>; /* Active high */ + data-active = <1>; /* Active high */ + pclk-sample = <1>; /* Rising */ + }; + }; +}; + &de { status = "okay"; }; @@ -143,6 +162,29 @@ axp209: pmic@34 { &i2c1 { status = "okay"; + + ov7670: camera@21 { + compatible = "ovti,ov7670"; + reg = <0x21>; + pinctrl-names = "default"; + pinctrl-0 = <&csi1_clk_pg_pin>; + clocks = <&ccu CLK_CSI1>; + clock-names = "xclk"; + + reset-gpios = <&pio 7 14 GPIO_ACTIVE_LOW>; /* PH14 */ + powerdown-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */ + + port { + ov7670_to_csi: endpoint { + remote-endpoint = <&csi_from_ov7670>; + bus-width = <8>; + hsync-active = <1>; /* Active high */ + vsync-active = <1>; /* Active high */ + data-active = <1>; /* Active high */ + pclk-sample = <1>; /* Rising */ + }; + }; + }; }; &ir0 {