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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 C7658C54E64 for ; Mon, 25 Mar 2024 08:55:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Za4TId5PJZslT3mee4vFhjNKmtbLW1ERmIpZefnIjZI=; b=Xe33obdPgvTcX2 o2GbxRa1SyUQMe5ioHYPFm0+DgSq7vXkL6tHfZrLjOMMf+Yym0YB7hd8CAd/5pWS2D5Mx4zcT+31n DAu8AqQ3kCVVHM1u6KqwmU0LtChsW9skWrior7sCTi3NTrxAYOv3bvKJ91KZD/haYkwG+McBOx43t AtZvUzVtATv+3l1SS3X52nZ7HIWljhMn0at7tzHumFQuJw3KxSROmAxpzbgNVXjD7anPDhTZW5Ol/ r+HqN+EBVMiMkUeKEdnrJZMDeOiZUaaN3129CcCWGPbns/nUf0yOIZiI76tmVmVweuUpvyEnRvjxy oi415NbR3n2nXHMaU+MQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rog79-0000000GIHi-2vTT; Mon, 25 Mar 2024 08:55:31 +0000 Received: from cpanel.siel.si ([46.19.9.99]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rog76-0000000GIGC-0NEF for linux-arm-kernel@lists.infradead.org; Mon, 25 Mar 2024 08:55:30 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=norik.com; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=F6rSXpona0HdJDPphQfQZFWovV+BlIiwnVNpbjTN1io=; b=XY9PQcdXeEv9WDvOA7E9F8Tk18 Zf9e74xVOMNr1mpIDwfutyg9bT6NEGXysqew9xEiIm/Zg3JVTtHyG6VHivJPlo3oS5RE1yspmIgn8 AyolnG90VhozWvoasNtl7KjaiHHFCQbpeGsMdK1PE3OTpQRC+lvmkZhAWgz579TyqIC0MhBk5wxih CQVdABAkspZTKofRXjEfb5QNK1WNcmJa5x/WTzDere7Dub35txCIoNc/h2IEJ+A9GxK9HrkT/o6Av 6a35y9O1NFTsfJRu3llqaxe70OrK4FyS98E13TwRe5UFRlAPA0wrFXm1u3VoYg+Yx9vG8Qb1SfooF 4f263Ozg==; Received: from [89.212.21.243] (port=35446 helo=[192.168.69.116]) by cpanel.siel.si with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96.2) (envelope-from ) id 1rog72-009eRJ-0N; Mon, 25 Mar 2024 09:55:24 +0100 Message-ID: <44ac8977-cf98-46a5-be15-1bec330c6a2e@norik.com> Date: Mon, 25 Mar 2024 09:55:23 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Upstream] [PATCH 0/2] i.MX93 ADC calibration settings Content-Language: en-US To: Andrej Picej , Jonathan Cameron Cc: devicetree@vger.kernel.org, conor+dt@kernel.org, lars@metafoo.de, krzysztof.kozlowski+dt@linaro.org, imx@lists.linux.dev, linux-iio@vger.kernel.org, festevam@gmail.com, s.hauer@pengutronix.de, upstream@lists.phytec.de, linux-kernel@vger.kernel.org, haibo.chen@nxp.com, kernel@pengutronix.de, shawnguo@kernel.org, robh@kernel.org, linux-arm-kernel@lists.infradead.org References: <20240320100407.1639082-1-andrej.picej@norik.com> <20240324135559.1640551d@jic23-huawei> <3423ea96-859d-4c4b-a9a7-e0d9c3c00727@norik.com> From: Primoz Fiser Organization: Norik systems d.o.o. In-Reply-To: <3423ea96-859d-4c4b-a9a7-e0d9c3c00727@norik.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cpanel.siel.si X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - norik.com X-Get-Message-Sender-Via: cpanel.siel.si: authenticated_id: primoz.fiser@norik.com X-Authenticated-Sender: cpanel.siel.si: primoz.fiser@norik.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240325_015528_363849_E6C5EE3D X-CRM114-Status: GOOD ( 23.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgSm9uYXRoYW4sCgpPbiAyNS4gMDMuIDI0IDA5OjMyLCBBbmRyZWogUGljZWogd3JvdGU6Cj4g SGkgSm9uYXRoYW4sCj4gCj4gT24gMjQuIDAzLiAyNCAxNDo1NSwgSm9uYXRoYW4gQ2FtZXJvbiB3 cm90ZToKPj4gT24gV2VkLCAyMCBNYXIgMjAyNCAxMTowNDowNCArMDEwMAo+PiBBbmRyZWogUGlj ZWogPGFuZHJlai5waWNlakBub3Jpay5jb20+IHdyb3RlOgo+Pgo+Pj4gSGkgYWxsLAo+Pj4KPj4+ IHdlIGhhZCBzb21lIHByb2JsZW1zIHdpdGggZmFpbGluZyBBREMgY2FsaWJyYXRpb24gb24gdGhl IGkuTVg5MyBib2FyZHMuCj4+PiBDaGFuZ2luZyBkZWZhdWx0IGNhbGlicmF0aW9uIHNldHRpbmdz IGZpeGVkIHRoaXMuIFRoZSBib2FyZCB3aGVyZSB0aGlzCj4+PiBwYXRjaGVzIGFyZSB1c2VmdWwg aXMgbm90IHlldCB1cHN0cmVhbSBidXQgd2lsbCBiZSBzb29uIChob3BlZnVsbHkpLgo+Pgo+PiBU ZWxsIHVzIG1vcmUuwqAgTXkgaW5pdGlhbCBpbnN0aW5jdCBpcyB0aGF0IHRoaXMgc2hvdWxkbid0 IGJlIGJvYXJkCj4+IHNwZWNpZmljLgo+PiBXaGF0J3MgdGhlIHRyYWRlIG9mZiB3ZSBhcmUgbWFr aW5nIGhlcmU/wqAgVGltZSB2cyBwcmVjaXNpb24gb2YKPj4gY2FsaWJyYXRpb24gb3IKPj4gc29t ZXRoaW5nIGVsc2U/wqAgSWYgdGhlc2UgYXJlIHNldCB0byBhIGxldmVsIGJ5IGRlZmF1bHQgdGhh dCBkb2Vzbid0IHdvcmsKPj4gZm9yIG91ciBib2FyZCwgbWF5YmUgd2Ugc2hvdWxkIGp1c3QgY2hh bmdlIHRoZW0gZm9yIGFsbCBkZXZpY2VzPwo+PgoKVGhlIGlteDkzX2FkYyBkcml2ZXIgaXMgcXVp dGUgbmV3LgoKSWYgeW91IGxvb2sgYXQgbGluZSAjMTYyLCB5b3Ugd2lsbCBmaW5kIGEgY29tbWVu dCBieSB0aGUgb3JpZ2luYWwgYXV0aG9yOgoKPiAJLyoKPiAJICogVE9ETzogd2UgdXNlIHRoZSBk ZWZhdWx0IFRTQU1QL05SU01QTC9BVkdFTiBpbiBNQ1IsCj4gCSAqIGNhbiBhZGQgdGhlIHNldHRp bmcgb2YgdGhlc2UgYml0IGlmIG5lZWQgaW4gZnV0dXJlLgo+IAkgKi8KClVSTDoKaHR0cHM6Ly9n aXRodWIuY29tL3RvcnZhbGRzL2xpbnV4L2Jsb2IvbWFzdGVyL2RyaXZlcnMvaWlvL2FkYy9pbXg5 M19hZGMuYyNMMTYyCgpTbywgZm9yIG1vc3QgdXNlLWNhc2VzIHRoZSBkZWZhdWx0IHNldHRpbmcg c2hvdWxkIHdvcmssIGJ1dCB3aHkgbm90IG1ha2UKdGhlbSBjb25maWd1cmFibGU/CgpTbyB0aGlz IHBhdGNoLXNlcmllcyBqdXN0IGltcGxlbWVudCB3aGF0IHdhcyBtaXNzaW5nIGZyb20gdGhlIGJl Z2lubmluZwovIHdhcyBwbGFubmVkIGZvciBsYXRlci4KCkJSLApQcmltb3oKCgo+IAo+IFNvIHdl IGhhdmUgdHdvIGRpZmZlcmVudCBib2FyZHMgd2l0aCB0aGUgc2FtZSBTb0MuIE9uIG9uZSwgdGhl Cj4gY2FsaWJyYXRpb24gd29ya3Mgd2l0aCB0aGUgZGVmYXVsdCB2YWx1ZXMsIG9uIHRoZSBzZWNv bmQgb25lIHRoZQo+IGNhbGlicmF0aW9uIGZhaWxzLCB3aGljaCBtYWtlcyB0aGUgQURDIHVudXNh YmxlLiBXaGF0IHRoZSBBREMgbGluZXMKPiBtZWFzdXJlIGRpZmZlciBiZXR3ZWVuIHRoZSBib2Fy ZHMgdGhvdWdoLiBCdXQgdGhlIGltcGxlbWVudGF0aW9uIGlzCj4gbm90aGluZyBvdXQgb2YgdGhl IG9yZGluYXJ5Lgo+IAo+IFdlIHRyaWVkIGRpZmZlcmVudCB0aGluZ3MgYnV0IHRoZSBvbmx5IHRo aW5nIHRoYXQgaGVscGVkIGlzIHRvIHVzZQo+IGRpZmZlcmVudCBjYWxpYnJhdGlvbiBwcm9wZXJ0 aWVzLiBXZSB0cmllZCBkZWZlcnJpbmcgdGhlIHByb2JlIGFuZAo+IGNhbGlicmF0aW9uIHVudGls IGxhdGVyIGJvb3QgYW5kIGFmdGVyIGJvb3QsIGJ1dCBpdCBkaWQgbm90IGhlbHAuCj4gCj4gSW4g dGhlIFJlZmVyZW5jZSBNYW51YWwgWzFdIChjaGFwdGVyIDcyLjUuMSkgaXQgaXMgd3JpdHRlbjoK PiAKPj4gNC4gQ29uZmlndXJlIGRlc2lyZWQgY2FsaWJyYXRpb24gc2V0dGluZ3MgKGRlZmF1bHQg dmFsdWVzIGtlcHQgZm9yCj4+IGhpZ2hlc3QgYWNjdXJhY3kgbWF4aW11bSB0aW1lKS4KPiAKPiBT byB5b3VyIGFzc3VtcHRpb24gaXMgY29ycmVjdCwgbG9uZ2VyIGNhbGlicmF0aW9uIHRpbWUgKG1v cmUgYXZlcmFnaW5nCj4gc2FtcGxlcykgLT4gaGlnaGVyIHByZWNpc2lvbi4gVGhlIGRlZmF1bHQg dmFsdWVzIGdvIGZvciBhIGhpZ2ggYWNjdXJhY3kuCj4gQW5kIHNpbmNlIHdlIHVzZSBhIE5SU01Q TCAoTnVtYmVyIG9mIEF2ZXJhZ2luZyBTYW1wbGVzKSBvZiAzMiBpbnN0ZWFkIG9mCj4gZGVmYXVs dCA1MTIsIHdlIHJlZHVjZSB0aGUgYWNjdXJhY3kgc28gdGhlIGNhbGlicmF0aW9uIHZhbHVlcyBw YXNzIHRoZQo+IGludGVybmFsIGRlZmluZWQgbGltaXRzLgo+IAo+IEknbSBub3Qgc3VyZSB0aGF0 IGNoYW5naW5nIGRlZmF1bHQgdmFsdWVzIGlzIHRoZSByaWdodCBzb2x1dGlvbiBoZXJlLiBXZQo+ IHNhdyBkZWZhdWx0IHZhbHVlcyB3b3JrIHdpdGggb25lIG9mIHRoZSBib2FyZHMuIEFuZCBzaW5j ZSB0aGUgTlhQIGtlcHQKPiB0aGVzZSB2YWx1ZXMgYWRqdXN0YWJsZSBJIHRoaW5rIHRoZXJlIGlz IGEgcmVhc29uIGJlaGluZCBpdC4KPiAKPiBOb3RlOiBXaGVuIEkgc2F5IG9uZSBvZiB0aGUgYm9h cmRzIEkgbWVhbiBvbmUgYm9hcmQgZm9ybS4gU28gc2FtZSBib2FyZAo+IHZlcnNpb24sIGJ1dCBk aWZmZXJlbnQgSFcuCj4gCj4gQmVzdCByZWdhcmRzLAo+IEFuZHJlago+IAo+IFsxXSBpLk1YIDkz IEFwcGxpY2F0aW9ucyBQcm9jZXNzb3IgUmVmZXJlbmNlIE1hbnVhbCwgUmV2LiA0LCAxMi8yMDIz Cj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiB1cHN0 cmVhbSBtYWlsaW5nIGxpc3QKPiB1cHN0cmVhbUBsaXN0cy5waHl0ZWMuZGUKPiBodHRwOi8vbGlz dHMucGh5dGVjLmRlL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby91cHN0cmVhbQoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwg bWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8v bGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cpanel.siel.si (cpanel.siel.si [46.19.9.99]) (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 B3B7415FA78; Mon, 25 Mar 2024 08:55:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.19.9.99 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711356927; cv=none; b=PgFSpTo0fwRZ8BVeAhevba/n2Nk9OULtjnnCR6ypaKmI0vF6Fgrz92elQJu4hKNdIvkWgemMDsU+lZP4S/6EdHuuDyGuldyaEqMjlfJFv3Bo3+joYT1A41IQjtDb15vgWk3pVXj0dK0Njwb06kEAJfR5Kep7I15PdQ29hk2AsKU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711356927; c=relaxed/simple; bh=9Zx5nFRmvcxOO0R4A2j6vwLiz60QZij0S1cVKtpLzGs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=DC4uYJrMWWKDUeQu2h/Ro+UCS8gnsqKxwcSE0XxaoLE+YaMQkZRpRS9FC4ckKvjLyL7K249A7G7cP14pGdg2v/Zo4nIr2pd4fE+MW64QbQCfIrt/HQKQWY7dW9jlWEiQnw02aX0y0ngsWR7RfpupTkoJnc/edxgY1Gsx21ZzIGY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=norik.com; spf=pass smtp.mailfrom=norik.com; dkim=pass (2048-bit key) header.d=norik.com header.i=@norik.com header.b=XY9PQcdX; arc=none smtp.client-ip=46.19.9.99 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=norik.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=norik.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=norik.com header.i=@norik.com header.b="XY9PQcdX" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=norik.com; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=F6rSXpona0HdJDPphQfQZFWovV+BlIiwnVNpbjTN1io=; b=XY9PQcdXeEv9WDvOA7E9F8Tk18 Zf9e74xVOMNr1mpIDwfutyg9bT6NEGXysqew9xEiIm/Zg3JVTtHyG6VHivJPlo3oS5RE1yspmIgn8 AyolnG90VhozWvoasNtl7KjaiHHFCQbpeGsMdK1PE3OTpQRC+lvmkZhAWgz579TyqIC0MhBk5wxih CQVdABAkspZTKofRXjEfb5QNK1WNcmJa5x/WTzDere7Dub35txCIoNc/h2IEJ+A9GxK9HrkT/o6Av 6a35y9O1NFTsfJRu3llqaxe70OrK4FyS98E13TwRe5UFRlAPA0wrFXm1u3VoYg+Yx9vG8Qb1SfooF 4f263Ozg==; Received: from [89.212.21.243] (port=35446 helo=[192.168.69.116]) by cpanel.siel.si with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96.2) (envelope-from ) id 1rog72-009eRJ-0N; Mon, 25 Mar 2024 09:55:24 +0100 Message-ID: <44ac8977-cf98-46a5-be15-1bec330c6a2e@norik.com> Date: Mon, 25 Mar 2024 09:55:23 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Upstream] [PATCH 0/2] i.MX93 ADC calibration settings Content-Language: en-US To: Andrej Picej , Jonathan Cameron Cc: devicetree@vger.kernel.org, conor+dt@kernel.org, lars@metafoo.de, krzysztof.kozlowski+dt@linaro.org, imx@lists.linux.dev, linux-iio@vger.kernel.org, festevam@gmail.com, s.hauer@pengutronix.de, upstream@lists.phytec.de, linux-kernel@vger.kernel.org, haibo.chen@nxp.com, kernel@pengutronix.de, shawnguo@kernel.org, robh@kernel.org, linux-arm-kernel@lists.infradead.org References: <20240320100407.1639082-1-andrej.picej@norik.com> <20240324135559.1640551d@jic23-huawei> <3423ea96-859d-4c4b-a9a7-e0d9c3c00727@norik.com> From: Primoz Fiser Organization: Norik systems d.o.o. In-Reply-To: <3423ea96-859d-4c4b-a9a7-e0d9c3c00727@norik.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cpanel.siel.si X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - norik.com X-Get-Message-Sender-Via: cpanel.siel.si: authenticated_id: primoz.fiser@norik.com X-Authenticated-Sender: cpanel.siel.si: primoz.fiser@norik.com X-Source: X-Source-Args: X-Source-Dir: Hi Jonathan, On 25. 03. 24 09:32, Andrej Picej wrote: > Hi Jonathan, > > On 24. 03. 24 14:55, Jonathan Cameron wrote: >> On Wed, 20 Mar 2024 11:04:04 +0100 >> Andrej Picej wrote: >> >>> Hi all, >>> >>> we had some problems with failing ADC calibration on the i.MX93 boards. >>> Changing default calibration settings fixed this. The board where this >>> patches are useful is not yet upstream but will be soon (hopefully). >> >> Tell us more.  My initial instinct is that this shouldn't be board >> specific. >> What's the trade off we are making here?  Time vs precision of >> calibration or >> something else?  If these are set to a level by default that doesn't work >> for our board, maybe we should just change them for all devices? >> The imx93_adc driver is quite new. If you look at line #162, you will find a comment by the original author: > /* > * TODO: we use the default TSAMP/NRSMPL/AVGEN in MCR, > * can add the setting of these bit if need in future. > */ URL: https://github.com/torvalds/linux/blob/master/drivers/iio/adc/imx93_adc.c#L162 So, for most use-cases the default setting should work, but why not make them configurable? So this patch-series just implement what was missing from the beginning / was planned for later. BR, Primoz > > So we have two different boards with the same SoC. On one, the > calibration works with the default values, on the second one the > calibration fails, which makes the ADC unusable. What the ADC lines > measure differ between the boards though. But the implementation is > nothing out of the ordinary. > > We tried different things but the only thing that helped is to use > different calibration properties. We tried deferring the probe and > calibration until later boot and after boot, but it did not help. > > In the Reference Manual [1] (chapter 72.5.1) it is written: > >> 4. Configure desired calibration settings (default values kept for >> highest accuracy maximum time). > > So your assumption is correct, longer calibration time (more averaging > samples) -> higher precision. The default values go for a high accuracy. > And since we use a NRSMPL (Number of Averaging Samples) of 32 instead of > default 512, we reduce the accuracy so the calibration values pass the > internal defined limits. > > I'm not sure that changing default values is the right solution here. We > saw default values work with one of the boards. And since the NXP kept > these values adjustable I think there is a reason behind it. > > Note: When I say one of the boards I mean one board form. So same board > version, but different HW. > > Best regards, > Andrej > > [1] i.MX 93 Applications Processor Reference Manual, Rev. 4, 12/2023 > _______________________________________________ > upstream mailing list > upstream@lists.phytec.de > http://lists.phytec.de/cgi-bin/mailman/listinfo/upstream