From patchwork Wed Apr 3 15:03:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13616356 Received: from mail-108-mta235.mxroute.com (mail-108-mta235.mxroute.com [136.175.108.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1E95F14B08B for ; Wed, 3 Apr 2024 15:14:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.235 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712157269; cv=none; b=FyAvt/QXDZ4BnFdW9vWC4FXJxwvX9uQcfzJCPK0OrAhp43fJx54xGCN4YWXR6LT1OXTBJdKpMYa7YHdNnnZy0Q0mt4/xlpgD2oM71sk4Fn87kzWiiax6vNLN08Vd2bVZ2eAQxBw5/0PaQUKWpkY/5orqNhaaQy1PKhJmvYWMqmM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712157269; c=relaxed/simple; bh=+vxCaqhpYUz4B3FGkuIBCQcJuaRcfN8mST5iCA4cSts=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i3s0674rXOs9/cjvQB+Y+GgzbrsMr/dXjP++fK8toXyicI/0KVbDijevddOZMlGVbMXD3d5t+7mJ+rZw3x9eHm/QgkwT6h3dqQ3OjA5WjN8WK8s6aORvDUPCzrvjuSPFInTdMZXW+XIqtPYaDz+aEM68tKh0ZtlnYu+UHKGhJRw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=hzRF9p17; arc=none smtp.client-ip=136.175.108.235 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="hzRF9p17" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta235.mxroute.com (ZoneMTA) with ESMTPSA id 18ea480cf250003bea.012 for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 03 Apr 2024 15:08:08 +0000 X-Zone-Loop: 941beaf7b0891bb34769aabb7e3fe858482d4757bc48 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=VYOIOtA06rrhHKEkkVTvSuwBswDW7njXYjZqzK9f8oA=; b=hzRF9p174w+rysInUpCkyCEor+ 28/1Q++gJbbLCySptKAOW/2CtX5LPY/AwqwlTZlI8wwqhlUf8AO5EQPdJZuMHd5MO6izwZg5bycWW OCVkEO80i3/TZKudmprXaUZS+NZHLA1NjGsNAu69xS7266iiO9F46M5of1XlTAwpJGyWCi+HXADiB BywIKEuRqe6Hp78L/IIRu0VzaY+jvQXkcb0vhHW/plqwrTNwUN9LHvM0J3r7SElOq6Yjl1X2eHDDa h73nAhrSyhWlJN/A0Nae7RH74cLk8SGiBWnfgQ61DpmyA8GfEqYLhUFSs5X/kS8yFr93FwnZ2wetY s7ZJPnbA==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, pavel@ucw.cz, phone-devel@vger.kernel.org, Luis Garcia , Ondrej Jirman Subject: [PATCH v3 24/25] drivers: media: i2c: imx258: Add support for reset gpio Date: Wed, 3 Apr 2024 09:03:53 -0600 Message-ID: <20240403150355.189229-25-git@luigi311.com> In-Reply-To: <20240403150355.189229-1-git@luigi311.com> References: <20240403150355.189229-1-git@luigi311.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Luis Garcia It was documented in DT, but not implemented. Signed-off-by: Ondrej Jirman Signed-off-by: Luis Garcia --- drivers/media/i2c/imx258.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index 163f04f6f954..4c117c4829f1 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -680,6 +680,7 @@ struct imx258 { unsigned int csi2_flags; struct gpio_desc *powerdown_gpio; + struct gpio_desc *reset_gpio; /* * Mutex for serialized access: @@ -1232,7 +1233,11 @@ static int imx258_power_on(struct device *dev) regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); } - return ret; + gpiod_set_value_cansleep(imx258->reset_gpio, 0); + + usleep_range(400, 500); + + return 0; } static int imx258_power_off(struct device *dev) @@ -1243,6 +1248,7 @@ static int imx258_power_off(struct device *dev) clk_disable_unprepare(imx258->clk); regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); + gpiod_set_value_cansleep(imx258->reset_gpio, 1); gpiod_set_value_cansleep(imx258->powerdown_gpio, 1); return 0; @@ -1554,6 +1560,12 @@ static int imx258_probe(struct i2c_client *client) if (IS_ERR(imx258->powerdown_gpio)) return PTR_ERR(imx258->powerdown_gpio); + /* request optional reset pin */ + imx258->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", + GPIOD_OUT_HIGH); + if (IS_ERR(imx258->reset_gpio)) + return PTR_ERR(imx258->reset_gpio); + /* Initialize subdev */ v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops);