From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f45.google.com (mail-ej1-f45.google.com [209.85.218.45]) (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 4CE0030DEA6 for ; Sat, 6 Jun 2026 04:58:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780721914; cv=none; b=N5ePuO9AurKTnDMUwjoSyo1XZBKPnWwOIlz9ZRZXo4NzLBKhf5f1Ga7+AHOVkgp0svo1kxVxq5V9q6EwbUdxCQKJYuoti4FgZjIjPMrb5vjpFt9mVq53Pr9sSgGIchC/iYObdb0GCmbKAp9v1zkgQ+xZSFpAgvelHUmMayYmLFA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780721914; c=relaxed/simple; bh=1nFZau3RQUxnCZgOYDCBt3epgx5xe5YIlqUb8E8u0UM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lBjCYIeh1HrK+L2YTacfsMmrH/BNo8o1duXCGp2RboItNh+d79oOuXbtT92mKwFYvqckxVsX4IpLIjdT8hrALYekdplVwWPW7/MPYT1mTAkchptrGoPswji40fjxAXXZOcWOCh5X1HJbqhuZqvNb+NDWxypdgY4JnBUucD+vWiY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=MeuMLo6d; arc=none smtp.client-ip=209.85.218.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MeuMLo6d" Received: by mail-ej1-f45.google.com with SMTP id a640c23a62f3a-bebac79fff8so262415066b.0 for ; Fri, 05 Jun 2026 21:58:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780721912; x=1781326712; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=RlI5mUz8s798lOZfnX8f9JGZtNvnkftPBfqwbzzNVuw=; b=MeuMLo6ddRVm4igBW3Yn2OS7xsV+kQTx3p48MhwdrnG77458i4pHAqhN6OK2U1I5c0 iQPBtpxS/+vZX8/eMqS0fv0LAGGXQVdHzaObof2MDhEnYB4C4gY1zJP2NrqXq4QCuvJ9 3lyivExzhuIbC58zbI/2pV91uiunbu+avjuZ1oJoa7hrJL5tMSCs8LuMAmmPKu8KPe9a ekgkxNrfhoAn6pm/CZ513lgWxyA/RbFh2aBcLMVUxBXYx5O2YSJnYKWkKlL1D3ZnwVqS Izd8MJGGAyuGsvOg5RRk3yEiPaXi8TWJBMINw3HQHGzuisu+mwEDGqY/UJQLFtY0L5+Y cDTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780721912; x=1781326712; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=RlI5mUz8s798lOZfnX8f9JGZtNvnkftPBfqwbzzNVuw=; b=b9y4+4EbHw6uY/DWKbbsBBRZhDF+gTB2eWwxMVOX5/l80c5aCqWeva10GhF4zrIyrs 8aLxZFaDEZDmY95o52UULFaHQi+GD1TwL5yh5uAQ3YgIp3FDt12p36V2ljgzcQ8nlpgE bq5C+I0uoj48NnwsVGDyfmoSBXA+qGHD3R7VuvuqGYTXB8E9m3rCcTquJrF/7MfDYSyp 64z7xJlxUZmqW4ezKOz7YnrGn31gSfLNMUdydv6YpbkuWY1+ddptkPqYCsdLX2hhu+VC FuceKONXKWj5+0KWHAq4rfPaAC1K33NhJwPKqVItg+wO7nrWB7+YeWNBA5F5CenLZZ2A lRlQ== X-Forwarded-Encrypted: i=1; AFNElJ/4Jm+zonfkRxJj1UOtP3QUMQrMzR+gMqX7bO0alO5t7lGIGbsDyUiljpZgq0h3r2K+/aDbFN8GU2W/fQ==@vger.kernel.org X-Gm-Message-State: AOJu0YzSk3wrx65SDSIlGfihlfBPPdNI2tgoUwCs+xuEWGDxzxvqYgpM cEA7DszpyYWrDDPgibLuHIDi68nMywbZIYfttLyucMzZDl7zz5Yc/OA1 X-Gm-Gg: Acq92OF3Q1X3RnhDs/nxmL4VOhnTwokTXdoMTTJ1WKKQ4zRSuLczH4gPKalEp0L3jX2 GThm/2abTAqwPLjyIMscnH2RJqhaTj2FZGKMxmMPbmfmwyF8tsmceuIPez/TyJmhIllSbi2GPsU NWIl0JvMHJw0dT0lyz6ts/PjSaD7VaNA2D8PGXpiKUbz6K+jsEeszm7/CkvHpGDTCT8+phFrHVw fRN62asDiRbf+YVZHwbV3AMQkFyYgM7KneLLHpmWabSjias5hsBRGDlaIx0yMRWNy2rIJwLo8Ip HXhHbmkeUndzux3A8pKbbPrJQ2ouBGA1J/h2j5rYsnouKK4oB9JhcOI+I/eMcaFvAUGmxHJPR06 ufZQwJy1RKo4ABim10jyelro//B5E1znhaVXN7jToIkW6z9Dioqc9Xag3pPMVh6dG7LusJBw3l/ UyPME/Ymetps/p50WWakoTg5I= X-Received: by 2002:a17:907:c247:b0:bed:6e53:bb16 with SMTP id a640c23a62f3a-bf3743e5c7dmr350247866b.43.1780721911635; Fri, 05 Jun 2026 21:58:31 -0700 (PDT) Received: from xeon ([188.163.112.61]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bf054e086fesm570597166b.32.2026.06.05.21.58.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jun 2026 21:58:30 -0700 (PDT) From: Svyatoslav Ryhel To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Helge Deller , Svyatoslav Ryhel Cc: Johan Hovold , dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: [PATCH v4 09/14] mfd: lm3533: Add support for VIN power supply Date: Sat, 6 Jun 2026 07:57:33 +0300 Message-ID: <20260606045738.21050-10-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260606045738.21050-1-clamor95@gmail.com> References: <20260606045738.21050-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add support for 2.7V-5.5V VIN power supply. Signed-off-by: Svyatoslav Ryhel --- drivers/mfd/lm3533-core.c | 23 +++++++++++++++++++++-- include/linux/mfd/lm3533.h | 2 ++ 2 files changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c index 5af1d5476d3e..500cec3cceba 100644 --- a/drivers/mfd/lm3533-core.c +++ b/drivers/mfd/lm3533-core.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -113,14 +114,25 @@ static int lm3533_set_lvled_config(struct lm3533 *lm3533, u8 lvled, u8 led) return ret; } -static void lm3533_enable(struct lm3533 *lm3533) +static int lm3533_enable(struct lm3533 *lm3533) { + int ret; + + ret = regulator_enable(lm3533->vin_supply); + if (ret) { + dev_err(lm3533->dev, "failed to enable vin power supply\n"); + return ret; + } + gpiod_set_value(lm3533->hwen, 1); + + return 0; } static void lm3533_disable(struct lm3533 *lm3533) { gpiod_set_value(lm3533->hwen, 0); + regulator_disable(lm3533->vin_supply); } enum lm3533_attribute_type { @@ -332,7 +344,9 @@ static int lm3533_device_init(struct lm3533 *lm3533) } } - lm3533_enable(lm3533); + ret = lm3533_enable(lm3533); + if (ret) + return ret; ret = regmap_update_bits(lm3533->regmap, LM3533_REG_BOOST_PWM, LM3533_BOOST_FREQ_MASK, @@ -456,6 +470,11 @@ static int lm3533_i2c_probe(struct i2c_client *i2c) return dev_err_probe(lm3533->dev, PTR_ERR(lm3533->hwen), "failed to get HWEN GPIO\n"); + lm3533->vin_supply = devm_regulator_get(lm3533->dev, "vin"); + if (IS_ERR(lm3533->vin_supply)) + return dev_err_probe(lm3533->dev, PTR_ERR(lm3533->vin_supply), + "failed to get vin-supply\n"); + device_property_read_u32(lm3533->dev, "ti,boost-ovp-microvolt", &lm3533->boost_ovp); diff --git a/include/linux/mfd/lm3533.h b/include/linux/mfd/lm3533.h index d3f7b07dbefc..3f9f4c9ef9f3 100644 --- a/include/linux/mfd/lm3533.h +++ b/include/linux/mfd/lm3533.h @@ -22,6 +22,7 @@ struct device; struct gpio_desc; struct regmap; +struct regulator; struct lm3533 { struct device *dev; @@ -29,6 +30,7 @@ struct lm3533 { struct regmap *regmap; struct gpio_desc *hwen; + struct regulator *vin_supply; u32 boost_ovp; u32 boost_freq; -- 2.53.0