[PATCH v5 1/3] dt-bindings: input: touchscreen: st,stmfts: Introduce STM FTS5
From: David Heidelberg via B4 Relay
Date: Mon Aug 10 2026 - 11:53:31 EST
From: David Heidelberg <david@xxxxxxx>
Introduce more recent STM FTS5 touchscreen support.
Signed-off-by: David Heidelberg <david@xxxxxxx>
---
.../bindings/input/touchscreen/st,stmfts.yaml | 29 ++++++++++++++++------
1 file changed, 21 insertions(+), 8 deletions(-)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.yaml b/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.yaml
index 64c4f24ea3dd0..3de4bc5cd3f78 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.yaml
@@ -9,22 +9,21 @@ title: ST-Microelectronics FingerTip touchscreen controller
maintainers:
- Krzysztof Kozlowski <krzk@xxxxxxxxxx>
description:
The ST-Microelectronics FingerTip device provides a basic touchscreen
functionality. Along with it the user can enable the touchkey which can work
as a basic HOME and BACK key for phones.
-allOf:
- - $ref: touchscreen.yaml#
-
properties:
compatible:
- const: st,stmfts
+ enum:
+ - st,stmfts
+ - st,stmfts5
reg:
maxItems: 1
avdd-supply:
description: Analogic power supply
interrupts:
@@ -35,42 +34,56 @@ properties:
touch-key-connected:
type: boolean
description: The touchkey feature is connected
vdd-supply:
description: Power supply
+ mode-switch-gpios:
+ description: Optional switch between touchscreen SLPI and AP mode.
+ maxItems: 1
+
reset-gpios:
description: Reset GPIO (active-low)
maxItems: 1
required:
- compatible
- reg
- avdd-supply
- interrupts
- vdd-supply
+allOf:
+ - $ref: touchscreen.yaml#
+ - if:
+ not:
+ properties:
+ compatible:
+ const: st,stmfts5
+ then:
+ properties:
+ mode-switch-gpios: false
+
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
touchscreen@49 {
compatible = "st,stmfts";
reg = <0x49>;
- interrupt-parent = <&gpa1>;
- interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
- touchscreen-size-x = <1599>;
- touchscreen-size-y = <2559>;
+ interrupts-extended = <&gpa1 1 IRQ_TYPE_LEVEL_LOW>;
+ touchscreen-size-x = <1600>;
+ touchscreen-size-y = <2560>;
touch-key-connected;
avdd-supply = <&ldo30_reg>;
vdd-supply = <&ldo31_reg>;
ledvdd-supply = <&ldo33_reg>;
};
};
--
2.55.0