From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f173.google.com (mail-oi1-f173.google.com [209.85.167.173]) (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 D9C6C1E1E1B for ; Fri, 2 May 2025 18:54:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746212083; cv=none; b=NELz/bXUuCshI7SX/CBTVLVJC/ONzWvh2+8rgcHRDfy/qbNMixxXuuxGcmplFfVikjr46tvZ2Os3oBWH1ZLTKLGyG5QYhndac1zKDVck8BykH+6DWwBbdZx7kcP4RX0m8UoBkeExf8VPT6rf/vyCo4K7AoYCBoBXFMrEX82RjGs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746212083; c=relaxed/simple; bh=etET4InrPZFfLVNbBfsGBvrQq/2AsRr7XUB0q5olziI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jlihz+p26BAxyNIrkxCNXgGq7JwKLFGESwlm+O473UBuQav/BhbBETesiPj0r+tR2EiAwzMAmPGs/MWy5JhKmQYbKbZf9yMvkBoj7zn4DVzm2Uv3VEtetTvb70OOYrrPyxX+nUi6wvnIp7ipqiCBrsFQO93eTTepzHHy00zJdAM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=YzMBEKTq; arc=none smtp.client-ip=209.85.167.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="YzMBEKTq" Received: by mail-oi1-f173.google.com with SMTP id 5614622812f47-3fefbbc7dd4so1629730b6e.2 for ; Fri, 02 May 2025 11:54:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1746212080; x=1746816880; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=o0v5QJaDLKj7eiDa88mbshkSyU/5sC59jCX11a9PYWo=; b=YzMBEKTqsD+BZdkWxkpGJMWWMKyilOR4Zmp3PXghZcy3XnI1GKivB83PUGRJ7JJfcP WBizkXiGkNBXB7WekDSMLfDGYiIqramxd+gveNRfYU8lIt+9wfqHtri86ltsaH3h2bRt 32xNhvkfGaGekAGuvbxA6mQFwa95xYDKoUv6FxiwcLRMmqlLq4crT3diNsOQ8gfZ2NEa Ha2y12XNj1bnuinvNCLjEIvR/CEpA1GVlLjXPvk4qFzk1ugTo6Z23C3eaEfsMXxFig7u Sv7ADOTvUbSSOiMMIwQpRGRuCBVOX55zVE0RFuZLwVaZ6BbvU0sgECkOMYkcjGMlHt2z ZyNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746212080; x=1746816880; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=o0v5QJaDLKj7eiDa88mbshkSyU/5sC59jCX11a9PYWo=; b=dTMjealJBdT2K8j29AVlBx4gRRbMMWPlffdy7kXv1CYIDdhZq07OtBRXUMuSN6mitE /BhYNu9nGr1Z/ZwFMxsuDBxm9fYgm5NoewpZOs6givDG2FodzMKxIbMplfPqWXwATEH9 em+u3gIFe9b78zlxsIDdksUiBbMmrk2rnNhfBor85BH6w5j4ce+RG/aqPSd6Dddz61DN t/K3P2M3D+RiIamMTfguRNVh+IS6/aI/1ermAX7XwQPlzwPLNSPvF5iwi8jWnbHC3Xfn 5ccm8HmlQZWIY3i9ahOZ2MVqKPPjtkvr2sVEh2oTvhZ2Ndm+DV+LyGJlRbTbQ71i/tRh uVRg== X-Forwarded-Encrypted: i=1; AJvYcCXkjh/3ApetDog4K/vPsb1+1CF0MQuJQK1bBwf5JD3BtEpWukgYpY65A/uRvOn6sJGVKbBVDFn5DTBrLic=@vger.kernel.org X-Gm-Message-State: AOJu0Yz8PI79xcUwYNarAExIaYH05gNaQBasLZCUJJStxtVhVrVFxt3i 8n2gDhyOKjMuV08iFJrhl6zkPoWZc9XSrbG1xoCTvY8bTuTTRPZj8cf332MNoLI= X-Gm-Gg: ASbGnctrEoJfSKHnR1DHMeaLVZrABxe9KixRhSZbrRIjhdjdguWSXM+Ni1H5ekkZEy2 HXNzlmAOmqKdU7PPwZ1vOynr/kVUREGgGPY1j0lAk0Umqfq5AlnUJ9V4/k8pQJdHrcFl/9ThJFm kVkyZqha85eMVOHZL03i5b4FZqsekHrVlexwgoWDhOU2L6aaq15q9aQ2HT+bronk/zZmHbwZ5O3 M6ZMa7hwr47+LmLQwS36GNhmE2qqkgz+6rOI4PQtovESMpMuP6Cc8tkXIvr5SAEO1WUOFLHK0BA P93EP1TehRLIy5fXqhMu42Xj5JIQnbtOJ+c/sBY70oniImd5yj/0FgAXrgApb3hduaCiLmbgVBk ZUDB9FPvN/Yc7X1gAzm3q4PQ093Ke X-Google-Smtp-Source: AGHT+IGg3NfrHCT9rWDG9WuCsQU3jADp64M+/PiypBGRCbX4Dd8LSeFbkh4aztyl1pAXJ+UtiOQbLg== X-Received: by 2002:a05:6808:2e4c:b0:3fc:1f7b:c3b3 with SMTP id 5614622812f47-4034148814dmr2250631b6e.33.1746212079887; Fri, 02 May 2025 11:54:39 -0700 (PDT) Received: from ?IPV6:2600:8803:e7e4:1d00:4489:d382:ca90:f531? ([2600:8803:e7e4:1d00:4489:d382:ca90:f531]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4033dae382fsm685964b6e.21.2025.05.02.11.54.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 02 May 2025 11:54:38 -0700 (PDT) Message-ID: <8ff3f1da-f868-4c7e-9123-00a3c54904d5@baylibre.com> Date: Fri, 2 May 2025 13:54:37 -0500 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: [PATCH v2 4/5] dt-bindings: iio: adc: adi,ad7606: add gain calibration support To: Angelo Dureghello , Jonathan Cameron , =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , Lars-Peter Clausen , Michael Hennerich , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20250502-wip-bl-ad7606-calibration-v2-0-174bd0af081b@baylibre.com> <20250502-wip-bl-ad7606-calibration-v2-4-174bd0af081b@baylibre.com> From: David Lechner Content-Language: en-US In-Reply-To: <20250502-wip-bl-ad7606-calibration-v2-4-174bd0af081b@baylibre.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/2/25 8:27 AM, Angelo Dureghello wrote: > From: Angelo Dureghello > > Add gain calibration support by a per-channel resistor value. > > Signed-off-by: Angelo Dureghello > --- > .../devicetree/bindings/iio/adc/adi,ad7606.yaml | 29 ++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > index 29f12d650442b8ff2eb455306ce59a0e87867ddd..d4b8ea51f60be367e79a4db18d932cbca9c7dc91 100644 > --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > @@ -204,6 +204,15 @@ patternProperties: > considered a bipolar differential channel. Otherwise it is bipolar > single-ended. > > + adi,rfilter-ohms: > + description: > + For ADCs that supports gain calibration, this property must be set to > + the value of the external RFilter resistor. Proper gain error > + correction is applied based on this value. > + default: 0 > + minimum: 0 > + maximum: 65536 > + Max should be 64512.