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Mon, 17 Nov 2025 04:15:17 -0500 From: Antoniu Miclaus To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Bartosz Golaszewski , Antoniu Miclaus , , , Subject: [PATCH v3 0/2] Add ADG1712 SPST switch controller support Date: Mon, 17 Nov 2025 09:13:21 +0000 Message-ID: <20251117091427.3624-1-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: Vz88QlOf_FNoAnK1IOw87PvIuzb-ue-C X-Proofpoint-ORIG-GUID: Vz88QlOf_FNoAnK1IOw87PvIuzb-ue-C X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTE3MDA3NyBTYWx0ZWRfXzD/tT3bI5V6F KGX8USQMrVNrkAkeCac04jyN5LCR/AJAXE4BegWMTMVhqzCb0mtCqp5PQI1IpCBdY/lhUUYMRp/ dkLAMu+oLlCK/TBhZygVfdzEjOP8qMUl4NiBfYF3h12DQvPfUFwkxeebPXHqr9bzuoCoChQR2AD nbtbxvZn4NmqRQ5Caur25cJVQm1WmW/TRJao7mC4AQNhgDRbGj9b229bQoMJOKHkwWH/4z+9fLd xA/rqhYkwsqRSufW4xMHUUqUV36C8fMbYTzBrgS3PGXWFrdvAf7spTacZ4MEsFeou0UY24F67ql TglYxDBBhF/qA89LTuOoJo0AHBZ3ukPOT7zQTc+LBIS6kNNEamo4Si3H76ucR9XUqV8qdlLB36u abflaLtXBbcu7FLoMlwefeVBQdhysQ== X-Authority-Analysis: v=2.4 cv=B7+0EetM c=1 sm=1 tr=0 ts=691ae7b3 cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=hQFzqgNBGMN7-N6NMNUA:9 a=QEXdDO2ut3YA:10 a=cPQSjfK2_nFv0Q5t_7PE: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=2025-11-17_02,2025-11-13_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 impostorscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 spamscore=0 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511170077 This series adds support for the Analog Devices ADG1712 quad single-pole, single-throw (SPST) switch controller. The ADG1712 contains four independent analog switches, each controlled by a dedicated GPIO input pin. This implementation configures the switches once at probe time based on device tree properties. Changes in v3: - Moved device tree bindings from gpio/ to switch/ subsystem - Completely redesigned driver architecture: removed GPIO controller interface - Added 'switch-states' device tree property for configuring initial switch states - Driver now sets switches once at probe time based on DT properties - Updated descriptions to clarify that switches cannot be changed from userspace - Simplified driver structure and removed all GPIO chip functionality Antoniu Miclaus (2): dt-bindings: switch: adg1712: add adg1712 support gpio: adg1712: add driver support .../bindings/switch/adi,adg1712.yaml | 68 +++++++++++++++ drivers/gpio/Kconfig | 9 ++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-adg1712.c | 87 +++++++++++++++++++ 4 files changed, 165 insertions(+) create mode 100644 Documentation/devicetree/bindings/switch/adi,adg1712.yaml create mode 100644 drivers/gpio/gpio-adg1712.c -- 2.43.0