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Fri, 08 May 2026 16:37:48 -0700 (PDT) Received: from localhost.localdomain ([76.32.119.210]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2f888e4016asm4269036eec.28.2026.05.08.16.37.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 May 2026 16:37:47 -0700 (PDT) From: Hungyu Lin To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: jic23@kernel.org, lars@metafoo.de, michael.hennerich@analog.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Hungyu Lin Subject: [PATCH] dt-bindings: iio: dds: Add AD9832/AD9835 binding Date: Fri, 8 May 2026 23:37:30 +0000 Message-Id: <20260508233730.77834-1-dennylin0707@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add devicetree binding documentation for AD9832 and AD9835 DDS devices. These devices are SPI-controlled direct digital synthesizers requiring AVDD, DVDD supplies and an external master clock. Signed-off-by: Hungyu Lin --- .../bindings/iio/dds/adi,ad9832.yaml | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dds/adi,ad9832.ya= ml diff --git a/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml b/Do= cumentation/devicetree/bindings/iio/dds/adi,ad9832.yaml new file mode 100644 index 000000000000..7e2eece086d0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dds/adi,ad9832.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dds/adi,ad9832.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD9832 / AD9835 DDS + +maintainers: + - Hungyu Lin + +description: | + Analog Devices AD9832 and AD9835 are SPI-controlled direct digital + synthesizers (DDS) capable of generating programmable frequency and + phase output signals using an external master clock. + +properties: + compatible: + enum: + - adi,ad9832 + - adi,ad9835 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 20000000 + + clocks: + maxItems: 1 + + clock-names: + const: mclk + + avdd-supply: + description: Analog power supply + + dvdd-supply: + description: Digital power supply + +required: + - compatible + - reg + - clocks + - clock-names + - avdd-supply + - dvdd-supply + +unevaluatedProperties: false + +examples: + - | + spi { + #address-cells =3D <1>; + #size-cells =3D <0>; + + ad9832@0 { + compatible =3D "adi,ad9832"; + reg =3D <0>; + spi-max-frequency =3D <20000000>; + clocks =3D <&mclk>; + clock-names =3D "mclk"; + avdd-supply =3D <&vdd_3v3>; + dvdd-supply =3D <&vdd_3v3>; + }; + }; --=20 2.34.1