[PATCH 1/6] dt-bindings: input: touchscreen: add bindings for focaltech,fts
From: Caleb Connolly
Date: Sun Jan 23 2022 - 12:37:34 EST
Add devicetree bindings for the Focaltech FTS touchscreen drivers.
Signed-off-by: Caleb Connolly <caleb@xxxxxxxxxxxxx>
---
.../input/touchscreen/focaltech,fts.yaml | 78 +++++++++++++++++++
1 file changed, 78 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/focaltech,fts.yaml
diff --git a/Documentation/devicetree/bindings/input/touchscreen/focaltech,fts.yaml b/Documentation/devicetree/bindings/input/touchscreen/focaltech,fts.yaml
new file mode 100644
index 000000000000..bb25a4f8ad71
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/focaltech,fts.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/focaltech,fts.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Focaltech FTS I2C Touchscreen Controller
+
+maintainers:
+ - Caleb Connolly <caleb@xxxxxxxxxxxxx>
+
+allOf:
+ - $ref: touchscreen.yaml#
+
+properties:
+ compatible:
+ enum:
+ - focaltech,fts5452
+ - focaltech,fts8719
+ reg:
+ const: 0x38
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ wakeup-source:
+ type: boolean
+ description: touchscreen can be used as a wakeup source.
+
+ focaltech,max-touch-number:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: max number of fingers supported
+ minimum: 2
+ maximum: 10
+
+ touchscreen-size-x: true
+ touchscreen-size-y: true
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - reset-gpios
+ - focaltech,max-touch-number
+ - touchscreen-size-x
+ - touchscreen-size-y
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/gpio/gpio.h>
+ &i2c5 {
+ status="okay";
+
+ touchscreen: focaltech@38 {
+ compatible = "focaltech,fts8719";
+ reg = <0x38>;
+ wakeup-source;
+ interrupt-parent = <&tlmm>;
+ interrupts = <125 0x2>;
+ vdd-supply = <&vreg_l28a_3p0>;
+ vcc-i2c-supply = <&vreg_l14a_1p88>;
+
+ pinctrl-names = "default", "suspend";
+ pinctrl-0 = <&ts_int_active &ts_reset_active>;
+ pinctrl-1 = <&ts_int_suspend &ts_reset_suspend>;
+
+ reset-gpio = <&tlmm 99 GPIO_ACTIVE_HIGH>;
+ irq-gpio = <&tlmm 125 GPIO_TRANSITORY>;
+ touchscreen-size-x = <1080>;
+ touchscreen-size-y = <2160>;
+ focaltech,max-touch-number = <5>;
+ };
+ };
--
2.34.1