From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B63F94B4890; Wed, 16 Sep 2026 09:51:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789552291; cv=none; b=a30r20Stm2nMvFP1nT0/m2XjkqaO63ZaMM8mZMKz1Qj0UZnLA0A+WNrncc+4S4oa642D/f5s6IkmYSfUGbvb5T4vCpRsCpFBz9rXHkUWYtYW+VAaNdJlB3Xt41vAMcfZf84eUttAG4aNlv7PlP0C0LaOKDeEil5p9fnZfB+qZI4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789552291; c=relaxed/simple; bh=UIwWPNKRQ8FW7Bu3jbEPy9yWyv1Y+CRFZBuPobR95d0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Y7LbdMbZXlW0Wy8eWDDfaXGDnJ/XJbvA38UP9S7MlfrYacrI6GLo8lrmGOG47YrfgsDgSQWykjzcWgteAqK7HBRRCwwoolxWi+BzMu1zQJrOdML2jc3sFpTzYQOX7JCfIY9/FYFPG1y92KJoUKgjqD1QlfXYTrBZpMXkymHqdFg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jdk0yPsi; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="jdk0yPsi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789552272; x=1821088272; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UIwWPNKRQ8FW7Bu3jbEPy9yWyv1Y+CRFZBuPobR95d0=; b=jdk0yPsiUehhv06oNoymxFlAux/tGdJ3Ns1z4zbevzWt9o/aSJo/RcNb N3POKAyuS8SxqIB2z2v61VDfuAHu3hXglq/gXnx/qRotIw+3iWMqfG5au HmU580FOCNyV3DLyAUOkKuOohyh4UGN9DS3WRUL9+RKKjylILT7aBFCcB A3pqz0RBp25np3UDOalyjJThqoP8jUwYHg3OVKGe7NMMKfQk/ALWtB/h1 ulosZyq3IUlVanQOnDlQAJZpUO9efkeKiSajQ3wEf92voBrl3Eg8WJj49 j5V3w1YfvwEoblx7LxAQBcPwb3ALBdfu0xS5lyQMq7v695BOg7Aw1ahxs g==; X-CSE-ConnectionGUID: XC4inCXJTFevNHqHxERtYw== X-CSE-MsgGUID: GLWqJ4TvTkCRG5UaI6+6jQ== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="101270147" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="101270147" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 02:51:06 -0700 X-CSE-ConnectionGUID: KfvqFqviTauBpXirtJ5MXw== X-CSE-MsgGUID: RK56W2AkRI2hfojlaoS2QQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="267080866" Received: from ettammin-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.244.145]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 02:51:01 -0700 Date: Wed, 16 Sep 2026 12:50:58 +0300 From: Andy Shevchenko To: Ryan Brue Cc: Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Lee Jones , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, mfd@lists.linux.dev, Roman Vivchar , Luca Leonardo Scorcia Subject: Re: [PATCH 0/3] iio: adc: add mt6397 PMIC AUXADC support Message-ID: References: <20260915-rbrue-suez-upstreaming-mt6397-auxadc-v1-0-d35d2ac3d6f0@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260915-rbrue-suez-upstreaming-mt6397-auxadc-v1-0-d35d2ac3d6f0@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Tue, Sep 15, 2026 at 11:15:25PM -0500, Ryan Brue wrote: > The MediaTek mt6397 PMIC has a 10-bit AUXADC that nothing in-tree can > reach. On boards built around it that ADC is the only path to the battery: > the SoC's AUXADC is wired to board thermistors, and the charger ICs these > boards use have no ADC at all, so without it there is no pack voltage and > no state of charge. This doesn't explain why a brand new driver? Perhaps we have existing code that may be updated to support this device? -- With Best Regards, Andy Shevchenko