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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83446C433E1 for ; Mon, 18 May 2020 13:36:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 63844207F9 for ; Mon, 18 May 2020 13:36:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Rak24Qph" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728103AbgERNgC (ORCPT ); Mon, 18 May 2020 09:36:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49238 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727020AbgERNgA (ORCPT ); Mon, 18 May 2020 09:36:00 -0400 Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 505A1C061A0C; Mon, 18 May 2020 06:36:00 -0700 (PDT) Received: by mail-wm1-x341.google.com with SMTP id k12so9326848wmj.3; Mon, 18 May 2020 06:36:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Kpmmawvu7m53+G2z+U2iQBPta6NzjZNKXgNes+IuTFU=; b=Rak24QphoCQrzPOtrnitJI0RNmLhe1FbEuKmfPJZc4xaywZ2FVHVQFMsiozNgp+unJ xN7j2We97V0SkkQW5/FQfa2tFdw90EFUTAWcdD2VTLeHY/s0iSeWkp6bjpx2pCMd40lR SOjWJGo4QBKu4FaOMjud13/wk5yOk4Jxjpn47VrytvsxJIx+WXAQKPcOTQYeHLEDIbYh 7wlzYe+P2/XuGzr61vlYdQIAvK8JadTszbCjQMIagpt4CXi+agt8EkVzMC2SwU/SNUkT +7SpKNXSXEdYdTlv1ZI1GjtKUTfsFieZIpZly1exPiCP+sAc5LBIoEYkuQWJOsEol9Ta c2mw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Kpmmawvu7m53+G2z+U2iQBPta6NzjZNKXgNes+IuTFU=; b=c7FLqYfI7Xxj1KOQjirFWBPpgUAgWXjFUihX6x0m1DCbKRBZN8Xt1iy1zT9h7z1F44 L+HOP70+ZEMyLFcu01ff5qKLUQaRr6PsCsT29JGYO5AkVspygBDItOrMi+wMVoOAfFYJ vyHLErdKJ8tQ90ganzjwyZgVEC902LOrGOkRtFvXxfR2GKHbLc82bRyNuuB/dfwFoSnz t3e5Hit6jaOp1GFMEFMbqNJvCV3FHf4yDoY59dqFwNpFl2JB+cPTwXeuKyW1kKoPGYfy /+2nCbNBx9RrAdkijKkgo2U9FqmSeDLnGYjI0PTV2JIkvZ5eI9IQ7m0D1QkqnkdJc6an h5oQ== X-Gm-Message-State: AOAM5308Pm60P0uJlLjlRvAsg1B8m07nboCHRjoqGbJLMfZL0OJIgQy/ JU6n6eE9r9vfvYPW9eKdV80A9ZLwmEg= X-Google-Smtp-Source: ABdhPJxpm6LSkW/8+hxU16SHx/5L0dEjWgGKnpJaEhUiklN+ijyH4WOU4JkSEJE7yslKcKNVo0WINQ== X-Received: by 2002:a1c:40c6:: with SMTP id n189mr19506256wma.15.1589808958572; Mon, 18 May 2020 06:35:58 -0700 (PDT) Received: from ict14-OptiPlex-980.kataweb.it ([178.23.248.46]) by smtp.googlemail.com with ESMTPSA id l19sm17086772wmj.14.2020.05.18.06.35.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2020 06:35:57 -0700 (PDT) From: Jonathan Albrieux To: linux-kernel@vger.kernel.org Cc: Jonathan Albrieux , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), Hartmut Knaack , Lars-Peter Clausen , linux-iio@vger.kernel.org (open list:IIO SUBSYSTEM AND DRIVERS), Peter Meerwald-Stadler , Jonathan Cameron Subject: [PATCH 3/4] iio: imu: bmi160: added regulator support Date: Mon, 18 May 2020 15:33:47 +0200 Message-Id: <20200518133358.18978-4-jonathan.albrieux@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200518133358.18978-1-jonathan.albrieux@gmail.com> References: <20200518133358.18978-1-jonathan.albrieux@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --- drivers/iio/imu/bmi160/bmi160.h | 2 ++ drivers/iio/imu/bmi160/bmi160_core.c | 27 ++++++++++++++++++++++++++- 2 files changed, 28 insertions(+), 1 deletion(-) diff --git a/drivers/iio/imu/bmi160/bmi160.h b/drivers/iio/imu/bmi160/bmi160.h index 621f5309d735..923c3b274fde 100644 --- a/drivers/iio/imu/bmi160/bmi160.h +++ b/drivers/iio/imu/bmi160/bmi160.h @@ -3,10 +3,12 @@ #define BMI160_H_ #include +#include struct bmi160_data { struct regmap *regmap; struct iio_trigger *trig; + struct regulator_bulk_data supplies[2]; }; extern const struct regmap_config bmi160_regmap_config; diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/bmi160_core.c index 6af65d6f1d28..9bbe0d8e6720 100644 --- a/drivers/iio/imu/bmi160/bmi160_core.c +++ b/drivers/iio/imu/bmi160/bmi160_core.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -709,6 +710,12 @@ static int bmi160_chip_init(struct bmi160_data *data, bool use_spi) unsigned int val; struct device *dev = regmap_get_device(data->regmap); + ret = regulator_bulk_enable(ARRAY_SIZE(data->supplies), data->supplies); + if (ret) { + dev_err(dev, "Failed to enable regulators: %d\n", ret); + return ret; + } + ret = regmap_write(data->regmap, BMI160_REG_CMD, BMI160_CMD_SOFTRESET); if (ret) return ret; @@ -793,9 +800,17 @@ int bmi160_probe_trigger(struct iio_dev *indio_dev, int irq, u32 irq_type) static void bmi160_chip_uninit(void *data) { struct bmi160_data *bmi_data = data; + struct device *dev = regmap_get_device(bmi_data->regmap); + int ret; bmi160_set_mode(bmi_data, BMI160_GYRO, false); bmi160_set_mode(bmi_data, BMI160_ACCEL, false); + + ret = regulator_bulk_disable(ARRAY_SIZE(bmi_data->supplies), + bmi_data->supplies); + if (ret) { + dev_err(dev, "Failed to disable regulators: %d\n", ret); + } } int bmi160_core_probe(struct device *dev, struct regmap *regmap, @@ -815,6 +830,16 @@ int bmi160_core_probe(struct device *dev, struct regmap *regmap, dev_set_drvdata(dev, indio_dev); data->regmap = regmap; + data->supplies[0].supply = "vdd"; + data->supplies[1].supply = "vddio"; + ret = devm_regulator_bulk_get(dev, + ARRAY_SIZE(data->supplies), + data->supplies); + if (ret) { + dev_err(dev, "Failed to get regulators: %d\n", ret); + return ret; + } + ret = bmi160_chip_init(data, use_spi); if (ret) return ret; @@ -853,6 +878,6 @@ int bmi160_core_probe(struct device *dev, struct regmap *regmap, } EXPORT_SYMBOL_GPL(bmi160_core_probe); -MODULE_AUTHOR("Daniel Baluta "); MODULE_DESCRIPTION("Bosch BMI160 driver"); MODULE_LICENSE("GPL v2"); -- 2.17.1