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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 18CD5CD37AC for ; Sun, 17 May 2026 07:43:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4F56310E1A2; Sun, 17 May 2026 07:43:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Rp3VwzQU"; dkim-atps=neutral Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) by gabe.freedesktop.org (Postfix) with ESMTPS id 945FC10E1A2 for ; Sun, 17 May 2026 07:43:36 +0000 (UTC) Received: by mail-wr1-f48.google.com with SMTP id ffacd0b85a97d-44e1860558fso561102f8f.0 for ; Sun, 17 May 2026 00:43:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779003815; x=1779608615; darn=lists.freedesktop.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=XCgjDXarYti7vTNUFmsGSYACwS96Ny5FHsWUIJ695K8=; b=Rp3VwzQU1zcGD50WYtrNoUkFmm2ptBUQ4gi4FPv0U7qmNoE3FaJlxMG9fxxW4/t37Z GQH22JxH9KYD0D5ZF9dEqhxxoebz178w2P4Brm8hv0F3Axtlr8+eI7SASNIxMF5gMx8a kSysYioO/QHcoWFQjtp25PYp54apvQx6g+2QCvXiEe7E8TKLaUaH1u5YsVTmuBxB564L ZRfSaeTuR9T53xu2JAJThEnrLo0S6yZmTUJNBIHS8R62PvPlR7lZ3nGgQv2smUnMFJyL W52x9/j76k5jFigmMLVIu7OOcEsE07qOcQOj2bVZ+pNWW4lVS3pPXcHMgldfdKPfVgZY t2MQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779003815; x=1779608615; 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=XCgjDXarYti7vTNUFmsGSYACwS96Ny5FHsWUIJ695K8=; b=F9yZt6OrphmdMKKj0VP7hObz+OOuOsQ+pAdnHw0Hbt9LgqKI/SnvWvpZ8ecHtaad+g Cyg7k54QfGTgdC6p1mX9cl7aMBo165Zsb8jZ3IToREvIXkhj91Y+1IondCoWkueF8QsN qNwjwv1hQZlJ8q34l8O19xBb30PkwvMzwwPC8aYYv7+liP8KXF8LLtwX5m4lsVkCKHyu 4yGZHCuKn1FWrPc9BKSEQvsAGf6LQvCiTv4Yc6VTe3BjgyMShsqKUhxrxh4kmLa0mQfg k9LF2tQygWWCVlFFmWNlp8urLLB7kwM5GjJEptLa87jyPFj8ZKQhevBQ6Wsm1vRAbJZy k7UA== X-Gm-Message-State: AOJu0YyZSuTskhieVwaajHSPGBN0uABrjinhGWwg5G7JBtuOSWpvTnV2 m2/8GrifTVka25qUuXX1XikfRbhydKLwfefpe0R4N80WfJQaw8OA3tsR X-Gm-Gg: Acq92OH6k6WCJ0HEa4lzdLvTuvsfqrQ/a5H0/uqoEbhECCWa8adSNey+B726ygZtT6j KbxVgzrEAuypN/MyS6LfgMWRRtVdqKkujpVuMdSqIt/38jrij+eIZ2RQBM8hD0wzrGhhSIYrvF1 LuUvNBXyRMwXVtHvgmm/j67YX2mKViQnV6VZdzqVLWjNnjfp45/HUpXL5TtZC1KLw2L1JKISj25 Dr1CEaIWefupf7nhzEAxrPZIlAQ7tVrr9boKo7LmSYT48MAJcXuV5+pNC6tI0Sj7Ev80MMZWeOf GrGaWZjVs9VTwfKoWxuEpZ6nN8gZw88WpqBJ5CW+3SVqf12EHsswT4oen+VTau8fhZ/ZvaG6Pja zTyF17jPFuJ8xPN9ezD5IepDXsTgEDaj9kjUllSrySJTZ2EFFu2/0v8oyetreuZDH2B+XiGmUrX vAyAtIppDIBFf/ X-Received: by 2002:a05:6000:25c4:b0:43d:184:8aa2 with SMTP id ffacd0b85a97d-45e5c589d93mr16397649f8f.16.1779003815037; Sun, 17 May 2026 00:43:35 -0700 (PDT) Received: from xeon ([188.163.112.61]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da0fe248dsm27512864f8f.30.2026.05.17.00.43.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 May 2026 00:43:34 -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: 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 v1 3/6] mfd: lm3533: Add support for VIN power supply Date: Sun, 17 May 2026 10:43:03 +0300 Message-ID: <20260517074306.30937-4-clamor95@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260517074306.30937-1-clamor95@gmail.com> References: <20260517074306.30937-1-clamor95@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add support for 2.7V-5.5V VIN power supply. Signed-off-by: Svyatoslav Ryhel --- drivers/mfd/lm3533-core.c | 22 ++++++++++++++++++++-- include/linux/mfd/lm3533.h | 1 + 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c index 83ebd780f39d..131eb1a1c8eb 100644 --- a/drivers/mfd/lm3533-core.c +++ b/drivers/mfd/lm3533-core.c @@ -173,14 +173,25 @@ 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 { @@ -331,7 +342,9 @@ static int lm3533_device_init(struct lm3533 *lm3533) struct device *dev = lm3533->dev; int ret; - lm3533_enable(lm3533); + ret = lm3533_enable(lm3533); + if (ret) + return ret; ret = lm3533_update(lm3533, LM3533_REG_BOOST_PWM, lm3533->boost_freq << LM3533_BOOST_FREQ_SHIFT, @@ -453,6 +466,11 @@ 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 3aa962d4c747..e355a3ac982e 100644 --- a/include/linux/mfd/lm3533.h +++ b/include/linux/mfd/lm3533.h @@ -28,6 +28,7 @@ struct lm3533 { struct regmap *regmap; struct gpio_desc *hwen; + struct regulator *vin_supply; u32 boost_ovp; u32 boost_freq; -- 2.51.0