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Fri, 19 Dec 2025 09:39:49 -0500 From: Antoniu Miclaus To: Peter Rosin , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Antoniu Miclaus" , Arnd Bergmann , "Greg Kroah-Hartman" , , Subject: [PATCH 1/2] dt-bindings: mux: adg1736: add support Date: Fri, 19 Dec 2025 16:35:26 +0200 Message-ID: <20251219143554.22793-2-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251219143554.22793-1-antoniu.miclaus@analog.com> References: <20251219143554.22793-1-antoniu.miclaus@analog.com> 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 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: jHQDQXxX4gHJAQ8uChLm-iIQVbbYUbWi X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE5MDEyMyBTYWx0ZWRfX+Lsc+2ehORNI obAsCcXlJJo8TMDZfd+x4N1qJXzC97NRTg/H4WDU9CUncW1PXvlXgGfFTUN9/wKSw7Sk0Ha+au4 jbV9FFUxf6QQvN3CjUMkaAfOgLO/oM+3SHjQcA/ugQBvWuHWFY63IkYlx2Kdhd0tWRRLi+p3yTk hEYCqD5PtqjszC33dLWpNNGoidYL7v05/8rvVT9fM+sLSIvDFZFC8lOtTlkmX4uBiC6CTpTCQCM jOfkdpOCpgxh4GjS3hONHDa6mZQeap1iZ6zNnxA9V3yoeB11bvv3SRZTT6THW16QtaGBpLBwnLs Sa8cijQtX14GtWgzJgPZZJWHlk9geamU1DtelvD0TlFNkuJC8xg/FYhOJ4zbQUoejvcoY9VOass n2JJ6NhNVEX5sVJt94fZ59P28TycMdTjQ7FIKOfBNA7fCJyZXbbUGALi7DBj67ymdW4vn09Tgwr FJbCvlPJM9yqf6zXNfQ== X-Proofpoint-GUID: jHQDQXxX4gHJAQ8uChLm-iIQVbbYUbWi X-Authority-Analysis: v=2.4 cv=Ba3VE7t2 c=1 sm=1 tr=0 ts=694563bf cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=gEfo2CItAAAA:8 a=gAnH3GRIAAAA:8 a=V2S3m-czYbn6XYG_RjgA:9 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-19_05,2025-12-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 bulkscore=0 phishscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512190123 Content-Type: text/plain; charset="utf-8" Add device tree bindings for ADG1736 analog multiplerer. Signed-off-by: Antoniu Miclaus --- .../devicetree/bindings/mux/adi,adg1736.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/mux/adi,adg1736.yaml diff --git a/Documentation/devicetree/bindings/mux/adi,adg1736.yaml b/Docum= entation/devicetree/bindings/mux/adi,adg1736.yaml new file mode 100644 index 000000000000..0ba662ffc9cc --- /dev/null +++ b/Documentation/devicetree/bindings/mux/adi,adg1736.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mux/adi,adg1736.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADG1736 Dual SPDT Switch Multiplexer + +maintainers: + - Antoniu Miclaus + +description: | + Bindings for Analog Devices ADG1736 dual single-pole, double-throw (SPDT) + switch. The device features two independent SPDT switches, each function= ing + as a 2:1 multiplexer. Each switch can connect its common drain terminal = (D) + to one of two source terminals (SA or SB). + + The device has two independent mux controllers (mux 0 and mux 1), each w= ith + two states: + * 0: SxB to Dx (control GPIO low) + * 1: SxA to Dx (control GPIO high) + + The EN pin is shared between both switches and can disable all channels = when + set low (inactive). + +allOf: + - $ref: mux-controller.yaml# + +properties: + compatible: + const: adi,adg1736 + + ctrl-gpios: + description: | + GPIO pins connected to the control inputs IN1 and IN2. Index 0 contr= ols + switch 1 (S1A/S1B to D1) and index 1 controls switch 2 (S2A/S2B to D= 2). + minItems: 2 + maxItems: 2 + + en-gpios: + description: | + GPIO connected to the EN (enable) pin. When low, all switches are + disabled (high-impedance). When high, switches are controlled by + their respective ctrl-gpios. + maxItems: 1 + + '#mux-control-cells': + const: 1 + description: | + Mux controller index (0 or 1) to select which SPDT switch to control. + +required: + - compatible + - ctrl-gpios + - en-gpios + - '#mux-control-cells' + +unevaluatedProperties: false + +examples: + - | + #include + #include + + mux-controller { + compatible =3D "adi,adg1736"; + #mux-control-cells =3D <1>; + + ctrl-gpios =3D <&gpio 10 GPIO_ACTIVE_HIGH>, + <&gpio 11 GPIO_ACTIVE_HIGH>; + en-gpios =3D <&gpio 12 GPIO_ACTIVE_HIGH>; + + /* Disconnect both switches when idle */ + idle-states =3D ; + }; + +... --=20 2.43.0