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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 50C4BC4345F for ; Sun, 14 Apr 2024 20:36:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=B6UWpVimAf7Cy3cN5AyJPit9dzpnrEINkvpBVng2GTM=; b=2Lgu0jMQh8TVL4 E+5mgKTdF9WPsnQzwFR2IHgOcjOSQPprxr3jeYX3nRwR7QfApCBnt/cfd9FhRvYVLe9paFAHWHrhp fdJMuqxh6+1qWQFY7VOCD3IpiZl3VRS24KbOjyW/YcaXM3VVQ4Fepwxt67gwRqvY0giC5IAIz2zSF pd4IICJF1pwbd28xTBeT3u3a40W0tQ+YXcrkSSVEBt9lNZT8RuBTHCNwxIShDGiTbuYlRqvtF5axK +RDZ+vqCPE06iEfvessrVNsCRsiciTFqqbTyIP6y6LSjZcodXZy8lXe1F0SUnnQQnSL3jRMjOGolp QKWEthxCTLKIx4pHf0pw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rw6al-00000006Jws-23Fp; Sun, 14 Apr 2024 20:36:47 +0000 Received: from mail-108-mta191.mxroute.com ([136.175.108.191]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rw6a7-00000006JVQ-1f5J for linux-arm-kernel@lists.infradead.org; Sun, 14 Apr 2024 20:36:12 +0000 Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta191.mxroute.com (ZoneMTA) with ESMTPSA id 18ede52eec30003bea.009 for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Sun, 14 Apr 2024 20:36:00 +0000 X-Zone-Loop: 1732b6a9c1842260b038525812de775125f04850ff5d X-Originating-IP: [136.175.111.2] 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=RhPK9nK9EKfKLg4i6+hTwf+Rau4stoc3Ghdd7Jp7wTo=; b=s3iY/3u7znzblaOimEAMVdeBOh XB5s2xOeMtrEPhCYtzrK0Pp50YupnAzGidF0n3upIKxuo4AZVFPiRX+8NEbqdIEiKACZWBQfWMkqL 46/wUAnvsh0rv2b8yR+X2PUIiy/z6RhpBMAqypwaSLcuPDdgBrxAxyVI6hDeqAHEAJXszu8TfqeKq +7HJH73F0EMMLVEBsCuf0b/opZAv+5ZS74JZao+dKl21NwnSWQKPz4d/C12Kx1tagPSHh6UpDsmcB BulwlbNx4B54j3RnZvENv4o1jEhQjufzkVo77hz3jelmrsQrnbNlI5wN/l+f8rXS/8d21Qej/Hkb8 2MlXFbuA==; 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 v4 23/25] media: i2c: imx258: Add support for reset gpio Date: Sun, 14 Apr 2024 14:35:01 -0600 Message-ID: <20240414203503.18402-24-git@luigi311.com> In-Reply-To: <20240414203503.18402-1-git@luigi311.com> References: <20240414203503.18402-1-git@luigi311.com> MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240414_133608_017440_86DAFA95 X-CRM114-Status: GOOD ( 10.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 f0bd72f241e4..5de71cb7c1ae 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -699,6 +699,7 @@ struct imx258 { unsigned int csi2_flags; struct gpio_desc *powerdown_gpio; + struct gpio_desc *reset_gpio; /* * Mutex for serialized access: @@ -1250,7 +1251,11 @@ 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) @@ -1260,6 +1265,7 @@ static int imx258_power_off(struct device *dev) clk_disable_unprepare(imx258->clk); + gpiod_set_value_cansleep(imx258->reset_gpio, 1); gpiod_set_value_cansleep(imx258->powerdown_gpio, 1); regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies); @@ -1573,6 +1579,12 @@ 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); -- 2.44.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel