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 4650A3F4101; Tue, 9 Jun 2026 10:13:11 +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=1780999991; cv=none; b=ayVS+B3iDM+YK8klofaybKzFGro2WVoDimNTwQVtjIZy2CBu3P19TrkMkscvtjW/fznRQt3LExsSMMmJvAlfJUThbta1ff+XHucKS6VE8VBIE4tREMpCqcdg2Pm9bsRXaG+UrI2xmEWeBL2SxIBM0F+fdzeuOS+IndFuFJi6zTg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780999991; c=relaxed/simple; bh=VpyNWKEpUs6kC87Yh1bsIzN7Mc90ZiqU1b0YvNZszkg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=dVnwhYr+GZ9xTjEUEC5wW6iK8GWFRKdGZTOa95alAsz7ApNbfaouUkv/VCh+qYwCqyvZknbK0cCpBwGjA2hYbvMbqIjjwCNBmrqSxYrPiNFgMGtR5m2+z/Ojw9O2Aj/tCxeizEbqlGwmXVS7P0N8/WbCpynNO8/mVIbU8NVdTyI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iJiiAsRL; 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="iJiiAsRL" Received: by smtp.kernel.org (Postfix) with ESMTPS id 04230C4AF11; Tue, 9 Jun 2026 10:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1780999991; bh=VpyNWKEpUs6kC87Yh1bsIzN7Mc90ZiqU1b0YvNZszkg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=iJiiAsRLmowDYcnqLX8YTH1205Fv8pKaCi89oMH1zHrEfgGy9W97Dk68SedP5+Uj1 bMSvTbKhZnOwORAGAB26fvQ4ibS5meGKKSt/Lha6VzSarSHosNjqnk08YfoRrP8a96 izI+v4n4CQavfUMvgrnYwhvwsysAVLtKPqy4h6f2cDyjVBNHw5V/9hQ3OQbkLz4+Mp fto4VURlRtTmuNSGF/wQ7AXBlcHBg47Dzvni7PMWcGyxpDAP8fItMwmSXO4GJw3eCD Vz2cnUcvqW8mdfiRR+dOR3reYgxoWNvCrMcQZggrW2nmVUBKB6Z8OlW7kAuTv8uXN7 M4dN9C1VNaMEg== 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 CE190CD8CA7; Tue, 9 Jun 2026 10:13:10 +0000 (UTC) From: Rodrigo Alencar via B4 Relay Date: Tue, 09 Jun 2026 11:12:56 +0100 Subject: [PATCH v2 01/12] dt-bindings: iio: dac: ad5696: add reset/ldac/gain gpio support 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="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260609-ad5686-new-features-v2-1-70b423f5c76d@analog.com> References: <20260609-ad5686-new-features-v2-0-70b423f5c76d@analog.com> In-Reply-To: <20260609-ad5686-new-features-v2-0-70b423f5c76d@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=1780999989; l=2173; i=rodrigo.alencar@analog.com; s=default; h=from:subject:message-id; bh=Uodwb5bj6wApJ0FYWPX0bGa/9JMjqxNyEKnyBWSUBgI=; b=GBuLiZzqD5TZ/vzy8PD91oZvWyLAiDLQPGEF6sGhyjAoXlvrRYwTzVbAK5kHOy2sP7YEs5aoZ +De+f1mS1S+CMjVvi9ZS//oNVyGfleun8wXOFOORlHdXsYhLxkmHI4c 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,ad5696.yaml | 34 +++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5696.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5696.yaml index b5a88b03dc2f..2dcc049f30e9 100644 --- a/Documentation/devicetree/bindings/iio/dac/adi,ad5696.yaml +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5696.yaml @@ -37,14 +37,45 @@ properties: description: | The regulator supply for DAC reference voltage. + 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 -additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + anyOf: + - const: adi,ad5311r + - const: adi,ad5691r + - const: adi,ad5692r + - const: adi,ad5693 + - const: adi,ad5693r + then: + properties: + gain-gpios: false + +unevaluatedProperties: false examples: - | + #include i2c { #address-cells = <1>; #size-cells = <0>; @@ -53,6 +84,7 @@ examples: compatible = "adi,ad5696"; reg = <0>; vcc-supply = <&dac_vref>; + ldac-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; }; }; ... -- 2.43.0