[PATCH v2 1/2] dt-bindings: input: touchscreen: add Synaptics S3908 controller
From: Vsevolod Nevorotov <hidden>
Date: 2026-09-10 09:14:58
Also in:
linux-devicetree, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add devicetree schema binding for the Synaptics S3908 TouchComm generation-1 I2C touchscreen controller, found in devices such as the OnePlus 9RT. Signed-off-by: Vsevolod Nevorotov <redacted> --- .../input/touchscreen/syna,s3908.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/syna,s3908.yaml
diff --git a/Documentation/devicetree/bindings/input/touchscreen/syna,s3908.yaml b/Documentation/devicetree/bindings/input/touchscreen/syna,s3908.yaml
new file mode 100644
index 00000000000..68479b0b7d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/syna,s3908.yaml@@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/syna,s3908.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synaptics S3908 TouchComm I2C Touchscreen + +maintainers: + - Vsevolod Nevorotov <sevanevorotov29@gmail.com> + +description: + Synaptics S3908 is a TouchComm generation-1 touchscreen controller connected + over I2C. + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: syna,s3908 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vdd-supply: + description: Core / digital power supply regulator (VDD) + + avdd-supply: + description: Analog power supply regulator (AVDD) + + wakeup-source: true + +required: + - compatible + - reg + - interrupts + - reset-gpios + - vdd-supply + - avdd-supply + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@4b { + compatible = "syna,s3908"; + reg = <0x4b>; + interrupt-parent = <&tlmm>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&tlmm 22 GPIO_ACTIVE_LOW>; + vdd-supply = <&vreg_l3c_3p0>; + avdd-supply = <&vreg_l8c_1p8>; + wakeup-source; + }; + };
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2.55.0