From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm2-f12.google.com (mail-wm2-f12.google.com [74.125.225.140]) (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 F3D5D377553 for ; Wed, 30 Sep 2026 07:15:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.140 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790752536; cv=none; b=riaxGul3xJqhyLa11kKHDIC/toP+0ZIyeOi8b7L8jiXDwHaNghMjVGd8yinJM4zBpd16PZsOk8y5aFrhGMMODAo57PQ/o7ff9pjhazHFtAD8LRBbMo8TMQAo0cd7r2wtHnMahjeOOSifUTCTpU98SRWZoWRLPh4qNusj1SOV5DY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790752536; c=relaxed/simple; bh=Uv8673BXW487YhAql7BVA6vApReuaTTxPWI2C9lkqJM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UI5t3cjOZ54C/wFRONnPndKq5d+r/2CirFetq05YCjWUoYfnmeXS4/Ld4RWn1w57dCd2Z+oQ3G4u2MoATMtvM8L7PyFMYx8qFTIDrgzZdpXuVKU99ANdTtypmJZmmVxI49+jt68/CQMwUHPnuAO0kfBpYIyxptj+aegFFsoupLs= 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=Q3FUjCVQ; arc=none smtp.client-ip=74.125.225.140 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="Q3FUjCVQ" Received: by mail-wm2-f12.google.com with SMTP id 5b1f17b1804b1-49ffb83bf7aso31376115e9.2 for ; Wed, 30 Sep 2026 00:15:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1790752528; x=1791357328; 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:content-type; bh=91UgRJj2a9cqCekJgIMfhdUvCOQ/1gwR4pNIdWvIxRc=; b=Q3FUjCVQwjaQ2UWSq/dqprUKHjBk7iUytEtWe6w+YKxMgWGK8bOuvneYGaO3+o1Qz2 upsOVsiFJ327T/spzqJr10EzSlYSpYJ/KI0NVvCpXA0PKGbMS/LiLqtFWLCLmcHr3WtR pJiWfNUzILK/ZiJvheecXSw0Yf8gsnTLD9dI0TIvr655oFFqaZKMsutHzv1dnVqx38WQ tvtBHX1ETpMCjDc8i/y1+y+byVpnUeGVmDv8v0PmrdOLr+w/cWFn5MGzW8VZceloXHlg GVtFJWUjRCf2I3s/8SD7ojpSX6+LY98zEQtCGnsVm9tuBu7v9+6PBx7mSGuz+thrJWDE 6fkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790752528; x=1791357328; 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:content-type; bh=91UgRJj2a9cqCekJgIMfhdUvCOQ/1gwR4pNIdWvIxRc=; b=KYW/1pDdDVhtdTRNUl1viTGrXpeCjQ8aK0XktRUHmHJxRqjIMQ26msARWe9iX4jY2G eEJdSEBItQh+5VIqAnFDH6XrmpVp9/UHH5OlmWwDaXxIcEr3uYTkeiv7q9LASsj2UQa9 w5/qPWHgZ51i6JfTOBgpi1KzghIcw2e/pA14h+p7HS5XrkaP+RMUEB2uxqVoqazw93XB f/c0NFultWlP+VqfQqIzpYY94h+DrQ87Q4nKiO/JfibDDyq5DY49mm31YLq0erDMPpQZ 0NmLksFut7W0ydZ5mVgHVAcfqDh6nbKFWhTV2EbKDNpWqfImBxdL6RVrk2rV2l1z8Ix8 TUaQ== X-Forwarded-Encrypted: i=1; AKwUvBx/Ku74ZUHvdne3RlMItKrafD1cGfCnnCejjEdKGqBPY9BHRF7poWcwVRtXgatCsBJc0+QpweoUPkTy8nI=@vger.kernel.org X-Gm-Message-State: AFuF++nMQI+QMgCr6PGeKIXbWx4DnU9wuxuE/9CXvRmzPrB7q9rmdKdG nMKqfDUbYkQXcP99d4gBLVkrptLzO1B3T2JUMGPkkliQp/mBFdmBJHuj X-Gm-Gg: AYBFou0VJuo++ivTld8I/BySxV2JpXHrxQWQXBPGUvGuiNDLj6Kos6z8zaOXfKc9hK1 MYkFy0gj+Lh60iiX8Uqpsp0VXaWLOMst/fSXNch5cH5Hi4Cdu6AmLDLJdki0kTquRXxR6MMa91k hcOe6f0TnrFpnDIrVrUunhEDtbNrxX8DUWbGcgpUbi6tmogenSeDZnyi/LOZ8K7gA3vejedHNhC O3EIxbgbqiD1HLwdz+pvljOW9tabGsk7QTl1TKFt1Ri9hzKSHgpo6GVqbxZwN09YxDuvmD4i5DI BJOJYs6pNJka49BXIr8jJF9WXte7Qlx5dlqs0QyROzQqdJgBllrie6P1DR/qOqbU9BIpvZK6zCS 6FQAgjGZLxN8JqbaTpBVjNJBieSM+Wrj++rNTfy/o9qzlWdPzUoWOwd/AVrTLisUp6ZREt59B/I m093ZVgA8VltiDDr4FZVSH8oqLh8xHDYKnhvQVkj85jMjk1YstB091H0feCC2LLzW8VKRSPpgk4 VHUjQXOYVWmVkrHSrs= X-Received: by 2002:a05:600c:3b1a:b0:49f:c451:b4ab with SMTP id 5b1f17b1804b1-4a01b12b310mr5780705e9.29.1790752528575; Wed, 30 Sep 2026 00:15:28 -0700 (PDT) Received: from xeon ([188.163.112.76]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48b029be7e4sm1256979f8f.12.2026.09.30.00.15.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Sep 2026 00:15:28 -0700 (PDT) From: Svyatoslav Ryhel To: Lee Jones , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Daniel Thompson , Jingoo Han , Svyatoslav Ryhel Cc: linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mfd@lists.linux.dev, dri-devel@lists.freedesktop.org Subject: [PATCH v1 3/3] mfd: aat2870: Add support for VIN and IN-LDO power supplies Date: Wed, 30 Sep 2026 10:15:13 +0300 Message-ID: <20260930071513.54697-4-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260930071513.54697-1-clamor95@gmail.com> References: <20260930071513.54697-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The AAT2870 supports a dedicated main power supply input alongside parent power supply for its internal regulators. Add support for retrieving and managing these supply regulators (vin-supply and in-ldo-supply) using the regulator framework to ensure proper power supply dependencies and power-up sequencing. Signed-off-by: Svyatoslav Ryhel --- drivers/mfd/aat2870-core.c | 5 +++++ drivers/regulator/aat2870-regulator.c | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c index 8f6d7956e79b2..a9a11be373916 100644 --- a/drivers/mfd/aat2870-core.c +++ b/drivers/mfd/aat2870-core.c @@ -17,6 +17,7 @@ #include #include #include +#include #include struct aat2870_register { @@ -309,6 +310,10 @@ static int aat2870_i2c_probe(struct i2c_client *client) aat2870->reg_cache = aat2870_regs; + ret = devm_regulator_get_enable(&client->dev, "vin"); + if (ret) + return dev_err_probe(&client->dev, ret, "Failed to enable regulator\n"); + aat2870->en_pin = devm_gpiod_get_optional(&client->dev, "enable", GPIOD_OUT_HIGH); if (IS_ERR(aat2870->en_pin)) diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c index 4d399d0486d19..4cbcb277ff20d 100644 --- a/drivers/regulator/aat2870-regulator.c +++ b/drivers/regulator/aat2870-regulator.c @@ -114,6 +114,7 @@ static const unsigned int aat2870_ldo_voltages[] = { { \ .desc = { \ .name = #ids, \ + .supply_name = "in-ldo", \ .id = AAT2870_ID_##ids, \ .n_voltages = ARRAY_SIZE(aat2870_ldo_voltages), \ .volt_table = aat2870_ldo_voltages, \ -- 2.53.0