From patchwork Wed May 11 21:47:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markuss Broks X-Patchwork-Id: 12846639 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 797E1C433F5 for ; Wed, 11 May 2022 21:48:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348409AbiEKVsZ (ORCPT ); Wed, 11 May 2022 17:48:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348390AbiEKVsL (ORCPT ); Wed, 11 May 2022 17:48:11 -0400 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9D7D443E9; Wed, 11 May 2022 14:48:06 -0700 (PDT) Received: by mail-lj1-x234.google.com with SMTP id 4so4227209ljw.11; Wed, 11 May 2022 14:48:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NBwjBAjLmyyb61HAFn6uQh2uqKVzaEjVLl9vH6ELw+E=; b=mOi4Dfi99gDfBK3ToAmlb5QrQRONhoKohrWOS9c2HiM4BhUSyr29iX0z/t5Ydp+WES W0XlU8Fk6U4kqDbKtk7Vca8Ey9eAaMexZHe2p6ktCPnX3GSZMC/2syypz8i7prAvwpLg N3KO1IsL3HRqt3KD2oBwOMNuP0609LXl0ZHJDBxuoXS2WduHkR5rCbqJNxkeAw0Ila5S 0eCrfjPaXZVxUN9dseKkgGpkdRuCM4wkJlV5mq0AIy6uEgDSUxxhkwqvbMzcaPuWIi3G co8EgTvVUUC0TkxTN84UHl0g6vB3Uq9iZHrpGa4MKofWl9pdwPjQfI4Lp/cnBsRIFjnQ vN5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NBwjBAjLmyyb61HAFn6uQh2uqKVzaEjVLl9vH6ELw+E=; b=Od7Q6UnilOl4pG/rsl9eNNgzuPtkspwCCg4FXXqxaBYltoP+PV6/tXQ7Xy6TiNnIJB VrCR4WJpmmXmhc+UVWHHZc20LN7ZcTuCMwzinKIcufYvkloiK6amvyaom9gf/r1YXzrO rIHFei1paHJnvy3HCD1xO2XYMGFi+k9QR/foQFu8O2QSGaiOxv8FpFstQsD+DTitRIR4 ZJ0faPzltoG1WWsTcCx7fHwOoZlVmV+lvN5vT4usC11c+gHFFEwSsdfE/hH5VRt9JDeO 2AhZI8m/tx/boQW/VpOES+37x3V3/UBz3gYTUhfIQuR8nnCJYamzpvvZN2NepDFdvB1c 5P+g== X-Gm-Message-State: AOAM532gHrLT1OCCWDT7h7rF4mr0okxsjTC+xQAO/9Ai/zf4BQpU3Sbc ZLDKq7eXIuiaWIz4sDqch5Ygo02nn//JGQ== X-Google-Smtp-Source: ABdhPJzosFUsYOVsuX/mjcjoJuWYO84mt3rxQER1lfHU04D5qsfYeQYBlRyAhlKmkft0FBo6Xn10fA== X-Received: by 2002:a2e:351a:0:b0:24f:c3b:c2d5 with SMTP id z26-20020a2e351a000000b0024f0c3bc2d5mr17529744ljz.505.1652305685206; Wed, 11 May 2022 14:48:05 -0700 (PDT) Received: from nergzd-desktop.localdomain ([194.39.226.133]) by smtp.gmail.com with ESMTPSA id 7-20020ac25687000000b0047255d211afsm458891lfr.222.2022.05.11.14.48.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 May 2022 14:48:04 -0700 (PDT) From: Markuss Broks To: linux-kernel@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Markuss Broks , Konrad Dybcio , Marijn Suijten , AngeloGioacchino Del Regno , Song Qiang , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Liam Girdwood , Mark Brown , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v2 4/5] proximity: vl53l0x: Handle the reset GPIO Date: Thu, 12 May 2022 00:47:16 +0300 Message-Id: <20220511214718.50879-5-markuss.broks@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220511214718.50879-1-markuss.broks@gmail.com> References: <20220511214718.50879-1-markuss.broks@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Handle the GPIO connected to the XSHUT/RST_N pin of VL53L0X. Signed-off-by: Markuss Broks --- drivers/iio/proximity/vl53l0x-i2c.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/iio/proximity/vl53l0x-i2c.c b/drivers/iio/proximity/vl53l0x-i2c.c index e65c4fcd32d6..7aa9c1e95006 100644 --- a/drivers/iio/proximity/vl53l0x-i2c.c +++ b/drivers/iio/proximity/vl53l0x-i2c.c @@ -15,6 +15,7 @@ */ #include +#include #include #include #include @@ -43,6 +44,7 @@ struct vl53l0x_data { struct i2c_client *client; struct completion completion; struct regulator *vdd_supply; + struct gpio_desc *reset_gpio; }; static irqreturn_t vl53l0x_handle_irq(int irq, void *priv) @@ -196,6 +198,8 @@ static void vl53l0x_power_off(void *_data) { struct vl53l0x_data *data = _data; + gpiod_set_value_cansleep(data->reset_gpio, 1); + regulator_disable(data->vdd_supply); } @@ -207,6 +211,8 @@ static int vl53l0x_power_on(struct vl53l0x_data *data) if (ret) return ret; + gpiod_set_value_cansleep(data->reset_gpio, 0); + usleep_range(3200, 5000); return 0; @@ -236,6 +242,11 @@ static int vl53l0x_probe(struct i2c_client *client) return dev_err_probe(&client->dev, PTR_ERR(data->vdd_supply), "Unable to get VDD regulator\n"); + data->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(data->reset_gpio)) + return dev_err_probe(&client->dev, PTR_ERR(data->reset_gpio), + "Cannot get reset GPIO\n"); + error = devm_add_action_or_reset(&client->dev, vl53l0x_power_off, data); if (error) return dev_err_probe(&client->dev, error,