From patchwork Thu May 12 19:13:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markuss Broks X-Patchwork-Id: 12848050 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 85133C4332F for ; Thu, 12 May 2022 19:14:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357979AbiELTO3 (ORCPT ); Thu, 12 May 2022 15:14:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357957AbiELTOD (ORCPT ); Thu, 12 May 2022 15:14:03 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FE0E2764F8; Thu, 12 May 2022 12:13:56 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id y32so10771408lfa.6; Thu, 12 May 2022 12:13:56 -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=X00UxJiG29OHM/sXI3MtHY1xp0KAlUMcsiInYqLUawo=; b=BIKhjkc/C+VlfYqtLCW9ohNhtcCKeCQweZnR2uH0wugGjxrsFSJrs/FjI+W6x3LX2E 3ivLWd6Zs+MInoXNgFYJ10yBVZvp/yJjVFe7vh9DcR1Wkyy1hlT4/OzFMItwuvmmg2Pg eQ6biVBl6ql72Ws9Y6RKy6+Y0hFlMFSa9z9Vdsc7usd7CiXZEMSGQA2Gc2NpPqcBrkAS NasDtBrKDTu4rJRAXAF2y5lsCwJ311qyhiXv/1a9cf+1asrI7sph7KrPztrafa/je2KH s2QhY4lgBPU2H7InDDI5lYAiGIipvvAUJjrsD+J0yH9TRBYPNwMrWizW+HeLA6t6Wxd/ KoMA== 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=X00UxJiG29OHM/sXI3MtHY1xp0KAlUMcsiInYqLUawo=; b=3FeedqigRfU+OC8Bz6U7Imq/dpB6PKxeyJM7J2lrWJXYF80n6jFIx5VQ5q5R2iedN+ Y82Kegbc6pB1RcaQc/eBHeH8lvbaSjw4CrSVNfJyEbroACUYX6hhiMF4bR/kEXpatdD/ cmDZxHdol3eyOllOpjJnYQ//xs69KD5nOkoPLvpbcNNVZbGUmvfMJt8NmfKPH30r4VwN kxALPA+vJcGgJb1xaivBZ1FCBIzV/AvMdeqdCCpD7TzQxDFbPOFZmXQLMgbe50Ix9glJ 6RW4vIHetqsFsPQ8VQy6LO8+jzYkCxKGcHybUIkKbk/oT42bNKXR5mhI8GdNXNDPGt9o pSRw== X-Gm-Message-State: AOAM533Gt9vfWi/PcS6Zei01o1kFldqw7icUZ671/JjnqjQ674QOY24c o2TEBeXhDVneOFPhYgc1ABO6sndqDx1Vfw== X-Google-Smtp-Source: ABdhPJzbLYaREDLCv/6XHTqaOAnSDI2vNV6DtnXOAyj3WhVSEfhl+++h6q1bPxZIxDG79hKpdh2s/Q== X-Received: by 2002:a05:6512:2988:b0:473:f41d:567d with SMTP id du8-20020a056512298800b00473f41d567dmr865986lfb.384.1652382834237; Thu, 12 May 2022 12:13:54 -0700 (PDT) Received: from nergzd-desktop.localdomain ([194.39.226.133]) by smtp.gmail.com with ESMTPSA id y26-20020ac255ba000000b0047255d210f4sm62146lfg.35.2022.05.12.12.13.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 12:13:53 -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 v4 4/5] proximity: vl53l0x: Handle the reset GPIO Date: Thu, 12 May 2022 22:13:32 +0300 Message-Id: <20220512191334.61804-5-markuss.broks@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220512191334.61804-1-markuss.broks@gmail.com> References: <20220512191334.61804-1-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 8581a873919f..36c48a824725 100644 --- a/drivers/iio/proximity/vl53l0x-i2c.c +++ b/drivers/iio/proximity/vl53l0x-i2c.c @@ -15,6 +15,7 @@ */ #include +#include #include #include #include @@ -44,6 +45,7 @@ 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) @@ -197,6 +199,8 @@ 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); } @@ -208,6 +212,8 @@ 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; @@ -237,6 +243,11 @@ 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 = vl53l0x_power_on(data); if (error) return dev_err_probe(&client->dev, error,