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 B073836C9D5; Tue, 2 Jun 2026 16:33:52 +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=1780418032; cv=none; b=c57jE13y3UPB46Q7nHQ6FvNkB91SFc39TSV45UutYe1Wv5oRyFkQO0sJ5qRnw42zyy7cSMpM07T8HPzP0+o/SYcUdAdRVyf2EcQx7LsjqPx7Im36ijJesHIlSu/lRor6AqOcbeY2a9NM+GMP+FtnQ0bhRwwcvSYyWhSEMMxKWPM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780418032; c=relaxed/simple; bh=PfzvH81Ajnwxo8skiVPyd2mjdF+LjWFrsS2NC+DT7Uc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TLRUk++1CIB1aaU/C6iVcZMsNusz81prde0jBzt364bbwOqH2sjiDFNAHJCxn8gzCUnKgAH38Rwob28yNl9dYLwjZwX9abbAn4iMAwvwiMafpWdOJVmbyQoBsfmtbaj/sisBIzORMctxDf80DxmU3WBewE94xVYWBNlEIY5mecY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KiHyJqOc; 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="KiHyJqOc" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8F0ABC2BCF7; Tue, 2 Jun 2026 16:33:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1780418032; bh=PfzvH81Ajnwxo8skiVPyd2mjdF+LjWFrsS2NC+DT7Uc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=KiHyJqOcpNFcjSTwTHVkbBmV+eaEGIftN8RmkOi2IYEysrFp5dZVgdKf2labGTnKz voOouCbEvoJsCoHmJExsZyCl17tH8jHJCdCC4H+YSmvCqyMq3trPCXEbJVrlwzciQp 5IPWoF15+Qfk4H/N/X+ivlAM5uCB+1k3F0cEPXcFBCTeKQhl2QpXQWGwOz5W3pFh6W Kfd6wbr0B8P9zGEoRUS2yIZLNV8VflWywU0hqmlgEf0y8Fy6DJQ1xV0h2WK6dhUfvv 9qGmP+KWzi4xQhz52yBPMmD3jzNzVQBcNqlHbVYb/NqOJEfxIGF4UtGF9nLzwI9D+q 32DkMFk1hqdig== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83EAACD5BD1; Tue, 2 Jun 2026 16:33:52 +0000 (UTC) From: Rodrigo Alencar via B4 Relay Date: Tue, 02 Jun 2026 17:33:50 +0100 Subject: [PATCH 03/12] dt-bindings: iio: dac: ad5686: add reset/ldac/gain gpio support Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260602-ad5686-new-features-v1-3-691e01883d27@analog.com> References: <20260602-ad5686-new-features-v1-0-691e01883d27@analog.com> In-Reply-To: <20260602-ad5686-new-features-v1-0-691e01883d27@analog.com> To: Michael Auchter , linux@analog.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Cc: Michael Hennerich , Jonathan Cameron , David Lechner , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Kees Cook , "Gustavo A. R. Silva" , Rodrigo Alencar , Conor Dooley X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1780418030; l=2266; i=rodrigo.alencar@analog.com; s=default; h=from:subject:message-id; bh=Rs2rqZGq7IiMu22sP4N1aq9P+WM2P1YWJFniol3eG0I=; b=g9HsgRhRUnmTzrnIT90IvsmYM4Rshem3UP6734kmkKTxEjCFjJczlM6h6olnVcedmBQttgWlT Hi2f5hKpD63D3R/wKqsGhM3GYYJ7Rde3690U0QFzko5WIk2QF3PYd3I X-Developer-Key: i=rodrigo.alencar@analog.com; a=ed25519; pk=ULeHbgU/OYh/PG/4anHDfLgldFItQHAhOktYRVLMFRo= X-Endpoint-Received: by B4 Relay for rodrigo.alencar@analog.com/default with auth_id=561 X-Original-From: Rodrigo Alencar Reply-To: rodrigo.alencar@analog.com From: Rodrigo Alencar Add GPIO property for RESET, LDAC and GAIN pin. RESET is active-low, LDAC is used to load DAC channels with values from input registers and GAIN can double the voltage in output channels. The gain-gpios property is not available to all supported parts. Acked-by: Conor Dooley Signed-off-by: Rodrigo Alencar --- .../devicetree/bindings/iio/dac/adi,ad5686.yaml | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml index 713f535bb33a..4680d4753dd4 100644 --- a/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml @@ -35,17 +35,46 @@ properties: vcc-supply: description: If not supplied the internal reference is used. + reset-gpios: + description: Active-low RESET pin to reset the device. + maxItems: 1 + + ldac-gpios: + description: + Active-low LDAC pin used to asynchronously update the DAC channels. + maxItems: 1 + + gain-gpios: + description: + GAIN pin that sets a multiplier for the DAC output voltage. When high, + the DAC output voltage is multiplied by 2, otherwise it is unchanged. + maxItems: 1 + required: - compatible - reg allOf: - $ref: /schemas/spi/spi-peripheral-props.yaml# + - if: + properties: + compatible: + contains: + anyOf: + - const: adi,ad5310r + - const: adi,ad5681r + - const: adi,ad5682r + - const: adi,ad5683 + - const: adi,ad5683r + then: + properties: + gain-gpios: false unevaluatedProperties: false examples: - | + #include spi { #address-cells = <1>; #size-cells = <0>; @@ -53,6 +82,8 @@ examples: reg = <0>; compatible = "adi,ad5310r"; vcc-supply = <&dac_vref0>; + reset-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>; + ldac-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; }; }; ... -- 2.43.0