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([2600:8803:e7e4:500:81f8:ef7d:a711:d99a]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4799feaabf2sm19106674b6e.4.2026.04.26.09.28.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 26 Apr 2026 09:28:22 -0700 (PDT) Message-ID: <78aa1551-2dc6-432d-9d44-ecef0198e1d3@baylibre.com> Date: Sun, 26 Apr 2026 11:28:21 -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 v3 1/3] dt-bindings: iio: adc: avia-hx711: add avia,hx710b compatible To: Piyush Patle , Jonathan Cameron , Andreas Klinger Cc: =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260422175910.1258579-1-piyushpatle228@gmail.com> <20260422175910.1258579-2-piyushpatle228@gmail.com> Content-Language: en-US From: David Lechner In-Reply-To: <20260422175910.1258579-2-piyushpatle228@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 4/22/26 12:59 PM, Piyush Patle wrote: > The HX710B shares the same two-wire interface as the HX711 but differs > in its channel and gain model: gain is fixed at 128 and the number of > trailing PD_SCK pulses selects the input channel rather than the gain. > > Add avia,hx710b to the compatible enum. Document the chip differences > in the description and add chip-specific supply properties (dvdd-supply, > vsup-supply) for the HX711, a rate-gpios property for the HX711 RATE > pin, and an allOf constraint that forbids HX711-only properties on > HX710B nodes. Clarify the clock-frequency description to reflect its > actual purpose: controlling the SCK bit-bang timing. > > Signed-off-by: Piyush Patle > --- > Changes in v3: > - Drop the vref-supply mention from avdd-supply; no such binding > property exists. Why is there no vref-supply? HX710B has a VREF pin for a reference voltage input.