From patchwork Sun Dec 15 16:59:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 11292919 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 EF6FC13B6 for ; Sun, 15 Dec 2019 17:00:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CE9B32467B for ; Sun, 15 Dec 2019 17:00:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576429203; bh=h33d693tSXLso9w3yXgPuTbnms8ia3M5JIWMSCbNBnE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=nigLNUdh/27stKBCejUbg/N7eiO7hjsGwXfCAupHTj9+SHcGwgwd2/zZsdhfHO7Qw ractdWIvv3hZauN4y+VUq1fUl++9esiebUJHSaF6xVqLdNwtVwPMgmglBmfHqxlbTJ kJlyMJvvRg3LxVl1NGKLdJNHfxIQWOfeNV3uGKpc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726671AbfLOQ7c (ORCPT ); Sun, 15 Dec 2019 11:59:32 -0500 Received: from mail.kernel.org ([198.145.29.99]:55134 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726536AbfLOQ7c (ORCPT ); Sun, 15 Dec 2019 11:59:32 -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 8C57424679; Sun, 15 Dec 2019 16:59:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576429171; bh=h33d693tSXLso9w3yXgPuTbnms8ia3M5JIWMSCbNBnE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iRsFDfp5dTCdd8hdfb7DRsrAhuVj+MbDM6yDZ4TkQLjmR183GI2NhsimxlOkuld0l lH0YUZBtbTWtQ5bFj6cEr5Is0L7icYgGC3qZiFbLKecUsQht57C6WsG6Dm1djuqBA1 ry+oYgAq/HPx0ms2JPnZEBar9La4Kb4P63emA+ig= Received: by wens.tw (Postfix, from userid 1000) id 84BFD5FF75; Mon, 16 Dec 2019 00:59:26 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard , Mauro Carvalho Chehab , Sakari Ailus , Rob Herring , Mark Rutland Cc: Chen-Yu Tsai , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chen-Yu Tsai Subject: [PATCH 12/14] [DO NOT MERGE] ARM: dts: sun4i: cubieboard: Enable OV7670 camera on CSI1 Date: Mon, 16 Dec 2019 00:59:22 +0800 Message-Id: <20191215165924.28314-13-wens@kernel.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191215165924.28314-1-wens@kernel.org> References: <20191215165924.28314-1-wens@kernel.org> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@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 {