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([2409:40c1:4015:6e6f:ee79:7998:9a6f:65e3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c164f6d59csm32139675ad.4.2026.06.03.11.49.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 11:49:19 -0700 (PDT) From: Piyush Patle To: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: jic23@kernel.org, ak@it-klinger.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andy@kernel.org, nuno.sa@analog.com, dlechner@baylibre.com Subject: [PATCH v11 02/11] dt-bindings: iio: adc: hx711: add VSUP and DVDD supply properties Date: Thu, 4 Jun 2026 00:18:50 +0530 Message-ID: <20260603184859.89693-3-piyushpatle228@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260603184859.89693-1-piyushpatle228@gmail.com> References: <20260603184859.89693-1-piyushpatle228@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Document the optional VSUP supply used by the HX711 on-chip regulator. Also document the DVDD digital supply. DVDD is a board-supplied digital input rail (figure 1 of the datasheet shows it as a separate supply, not merely a bypass capacitor point) that was missing from the original binding. Signed-off-by: Piyush Patle Reviewed-by: Andy Shevchenko Acked-by: Conor Dooley --- .../devicetree/bindings/iio/adc/avia-hx711.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml index 1ea60dff98d5..0baf620e9057 100644 --- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml +++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml @@ -33,6 +33,19 @@ properties: description: Analog supply voltage (AVDD). + vsup-supply: + description: + Supply voltage for the on-chip regulator (VSUP). + + dvdd-supply: + description: + Digital supply voltage (DVDD). On the HX711, DVDD is a + board-supplied digital rail; it was missing from the original + binding. On the HX710B, DVDD must be greater than or equal to + AVDD; when DVDD is a battery rail and AVDD is a regulated supply, + one channel monitors the DVDD-AVDD difference for battery level + detection. + clock-frequency: description: Controls the SCK bit-bang timing. The value is used to derive the -- 2.43.0