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Thu, 12 Feb 2026 10:20:22 -0800 (PST) From: Taha Ed-Dafili <0rayn.dev@gmail.com> To: Jonathan Cameron , Lars-Peter Clausen , Michael Hennerich , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mentees@lists.linuxfoundation.org, me@brighamcampbell.com, skhan@linuxfoundation.org, Taha Ed-Dafili <0rayn.dev@gmail.com> Subject: [PATCH v1 1/2] dt-bindings: iio: dac: ad5504: add output-range and missing gpios Date: Thu, 12 Feb 2026 19:19:54 +0100 Message-ID: <20260212181955.42724-2-0rayn.dev@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260212181955.42724-1-0rayn.dev@gmail.com> References: <20260212181955.42724-1-0rayn.dev@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 The AD5504 output range (0-30V or 0-60V) is determined by the R_SEL pin. Add `adi,output-range-volts` and `adi,output-range-gpios` to describe this hardware state, using `allOf` to enforce mutual exclusivity. Also add `vlogic-supply`, `clear-gpios`, and `ldac-gpios` to complete the hardware description. Suggested-by: David Lechner Signed-off-by: Taha Ed-Dafili <0rayn.dev@gmail.com> --- .../bindings/iio/dac/adi,ad5504.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5504.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5504.yaml index 9c2c038683b4..3e832e501b0e 100644 --- a/Documentation/devicetree/bindings/iio/dac/adi,ad5504.yaml +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5504.yaml @@ -27,12 +27,50 @@ properties: maxItems: 1 vcc-supply: true + vlogic-supply: true + + adi,output-range-volts: + description: + Hard-wired /R_SEL pin state. 30 V when pin is high and 60 V when + pin is low. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [30, 60] + default: 60 + + adi,output-range-gpios: + description: + GPIO connected to the R_SEL pin to select the output voltage range. + maxItems: 1 + + clear-gpios: + description: GPIO that controls the /CLR pin (active low). + maxItems: 1 + + ldac-gpios: + description: GPIO that controls the /LDAC pin (active low). + maxItems: 1 additionalProperties: false required: - compatible - reg + - vcc-supply + +allOf: + - if: + required: + - adi,output-range-gpios + then: + properties: + adi,output-range-volts: false + + - if: + required: + - adi,output-range-volts + then: + properties: + adi,output-range-gpios: false examples: - | -- 2.47.3