From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 34CD03ACF0F; Tue, 12 May 2026 12:08:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778587698; cv=none; b=GD8GsVu0rUkzAk5tjp3yERNMG0ukhmABHn6ECla8GyS7G50Hd0y1jGHe1JEGAFmtJp3VIBX2QlY5s6e8toJ+g7OuRCD54NszruCdS6CLh4dHEFAAhM3pRdp6NMUHtyxiULmiThxKvHEKuzwE5HL9J2QwQTd+aUeJt4s+N+n45fA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778587698; c=relaxed/simple; bh=TAFsA+GYopwP739qiGnxIQALOcn8hUpFS3cE3fTrSKM=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=auXRuzcHNp28B2pfgvnAL71OO4BR3Woby5O5mkCzAx4Jjr9XZCYX8y3z2/hjM7h4i/6mm+GNH1S7K6+E1pZkwCPrfR+9kgy906P79IzlqsoZ8qIhh8AJgU/1PyAH9tCP2QK79CtwNsqeTLXtdYOVvrEhryzvwx0m//mxXnFWyx0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F1TId/7y; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="F1TId/7y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 90E67C2BCB0; Tue, 12 May 2026 12:08:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778587698; bh=TAFsA+GYopwP739qiGnxIQALOcn8hUpFS3cE3fTrSKM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=F1TId/7yMn2ZOKKgpSsx40CcgMC8pW2zV9MFD0xKHy1yCG5NI/1l+HusTgdKY252U qBNyQztaFzZoCctGShl89dwsNh0hfVrVQWXrDyYNqoZcqa2yAi0VSirTL9yXyzM0OI cUUUWA8SpqEHAH/copdVB4oKCSWo73fUt64fw0zNN7gc9SX6FwhQz2NRanKXIpRVTV lIEVn/v8tLges10htCJ5x9k3eK00aFeiAQqUH02ZoKP7Syvk1eEJmFa70G71hVnTNK d0NwXN2ArrtF2CQJc9cgKZGoDVK+vZs4ip3fkGhyUzCKmqDwkHCoRCRHRY9HABDkiC 9kohE9NgihVNw== Date: Tue, 12 May 2026 13:08:09 +0100 From: Jonathan Cameron To: Piyush Patle Cc: ak@it-klinger.de, andriy.shevchenko@linux.intel.com, dlechner@baylibre.com, nuno.sa@analog.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 v8 02/11] dt-bindings: iio: adc: hx711: add VSUP supply property Message-ID: <20260512130809.5ab5eb90@jic23-huawei> In-Reply-To: <20260512130622.1f3f4d08@jic23-huawei> References: <20260511174342.123820-1-piyushpatle228@gmail.com> <20260511174342.123820-3-piyushpatle228@gmail.com> <20260512130622.1f3f4d08@jic23-huawei> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 12 May 2026 13:06:22 +0100 Jonathan Cameron wrote: > On Mon, 11 May 2026 23:13:27 +0530 > Piyush Patle wrote: > > > Document the optional VSUP supply used by the HX711 on-chip regulator. > > > > Signed-off-by: Piyush Patle > > Reviewed-by: Andy Shevchenko > > Acked-by: Conor Dooley > > --- > > I got curious given the driver doesn't yet turn this on and wanted > to just sanity check it via a datasheet. > > Why are we including this one but not dvdd-supply? The suggested > wiring does connect them to the same supply but it's external to the > chip so in theory they might not be. Curiously dvdd supply is allowed > to be 0.1 V lower than vsup-supply. I should have said, given there is nothing wrong with what you have here and the above is a possible additional change - applied to the testing branch of iio.git. Thanks, Jonathan > > > Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml > > index 1ea60dff98d5..a8eaa1f18de5 100644 > > --- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml > > +++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml > > @@ -33,6 +33,10 @@ properties: > > description: > > Analog supply voltage (AVDD). > > > > + vsup-supply: > > + description: > > + Supply voltage for the on-chip regulator (VSUP). > > + > > clock-frequency: > > description: > > Controls the SCK bit-bang timing. The value is used to derive the >