Add devicetree bindings for the Focaltech FTS touchscreen drivers. Signed-off-by: Joel Selvaraj <joelselvaraj.oss@xxxxxxxxx> Signed-off-by: Caleb Connolly <caleb@xxxxxxxxxxxxx> --- .../input/touchscreen/focaltech,fts.yaml | 81 +++++++++++++++++++ 1 file changed, 81 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..07fe595cc9ed --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/focaltech,fts.yaml @@ -0,0 +1,81 @@ +# 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: + - Joel Selvaraj <joelselvaraj.oss@xxxxxxxxx> + - 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 + + avdd-supply: + description: a phandle for the regulator supplying analog power (2.6V to 3.3V). + + vddio-supply: + description: a phandle for the regulator supplying IO power (1.8V). + + 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>; + interrupt-parent = <&tlmm>; + interrupts = <31 IRQ_TYPE_EDGE_RISING>; + + avdd-supply = <&vreg_l28a_3p0>; + vddio-supply = <&vreg_l14a_1p8>; + + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&ts_int_default &ts_reset_default>; + pinctrl-1 = <&ts_int_sleep &ts_reset_sleep>; + + reset-gpios = <&tlmm 32 GPIO_ACTIVE_LOW>; + + touchscreen-size-x = <1080>; + touchscreen-size-y = <2246>; + focaltech,max-touch-number = <10>; + }; + }; -- 2.39.2
