Document the Goodix GT9916 wich is part of the "Berlin" serie of Touchscreen controllers IC from Goodix. Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> --- .../bindings/input/touchscreen/goodix-berlin.yaml | 81 ++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix-berlin.yaml b/Documentation/devicetree/bindings/input/touchscreen/goodix-berlin.yaml new file mode 100644 index 000000000000..4c24a541e919 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix-berlin.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/goodix-berlin.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Goodix Belin series touchscreen controller + +maintainers: + - Neil Armstrong <neil.armstrong@xxxxxxxxxx> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - goodix,gt9916 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + avdd-supply: + description: Analog power supply regulator on AVDD pin + + vddio-supply: + description: GPIO power supply regulator on VDDIO pin + + spi-max-frequency: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-swapped-x-y: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + gt9916@5d { + compatible = "goodix,gt9916"; + reg = <0x5d>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + }; + }; + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + num-cs = <1>; + cs-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; + gt9916@0 { + compatible = "goodix,gt9916"; + reg = <0>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + }; + }; + +... -- 2.34.1
