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,fts5452.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/focaltech,fts5452.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/focaltech,fts5452.yaml b/Documentation/devicetree/bindings/input/touchscreen/focaltech,fts5452.yaml new file mode 100644 index 000000000000..f42868293439 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/focaltech,fts5452.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/focaltech,fts5452.yaml# +$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: regulator supplying analog power (2.6V to 3.3V). + + vddio-supply: + description: regulator supplying IO power (1.8V). + +unevaluatedProperties: false + +required: + - compatible + - reg + - touchscreen-size-x + - touchscreen-size-y + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@38 { + compatible = "focaltech,fts5452"; + reg = <0x38>; + + interrupt-parent = <&tlmm>; + interrupts = <125 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&tlmm 99 GPIO_ACTIVE_LOW>; + + avdd-supply = <&vreg_l28a_3p0>; + vddio-supply = <&vreg_l14a_1p88>; + + pinctrl-names = "default", "suspend"; + pinctrl-0 = <&ts_int_active &ts_reset_active>; + pinctrl-1 = <&ts_int_suspend &ts_reset_suspend>; + + touchscreen-size-x = <1080>; + touchscreen-size-y = <2160>; + }; + }; -- 2.40.0
