Add documentation for Hynitron CST816x series touchscreen bindings. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Signed-off-by: Oleh Kuzhylnyi <kuzhylol@xxxxxxxxx> --- Changes in v10: - No code changes Changes in v9: - Adjust linux,keycodes: Add items with event descriptions, and remove maxItems - Adjust dt example: Fix four-spaces indentation Changes in v8: - Update the bindings title to indicate CST816x series support - Rephrase bindings description to describe controller more precisely - Remove redundant description field from the reset-gpio property - Completely remove cst816x,gestures object with all dependants - Apply linux,keycodes to represent gestures (slide up, slide down, etc.) - Extend dt example with linux,keycodes - Align indentation in dt example to use four spaces Changes in v7: - Introduce the gestures field along with its sub-fields - Make reset-gpio property optional - Extend main description - Remove "touchscreen" reference Changes in v6: - Fix minor tweak adviced by Krzysztof: - Move additionalProperties field after required Changes in v5: - No code changes Changes in v4: - Add Conor's Dooley "Reviewed-by" tag Changes in v3: - Rename filename to hynitron,cst816s.yaml - Update description with display details Changes in v2: - Apply pin definitions and DT headers - Use generic name for DT node - Drop status field .../input/touchscreen/hynitron,cst816x.yaml | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816x.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816x.yaml b/Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816x.yaml new file mode 100644 index 000000000000..72d4da636881 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/hynitron,cst816x.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/hynitron,cst816x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hynitron CST816x Series Capacitive Touch controller + +maintainers: + - Oleh Kuzhylnyi <kuzhylol@xxxxxxxxx> + +description: | + Bindings for CST816x high performance self-capacitance touch chip series + with single point gesture and real two-point operation. + +properties: + compatible: + enum: + - hynitron,cst816s + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + linux,keycodes: + minItems: 1 + items: + - description: Slide up gesture + - description: Slide down gesture + - description: Slide left gesture + - description: Slide right gesture + - description: Long press gesture + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/input/linux-event-codes.h> + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@15 { + compatible = "hynitron,cst816s"; + reg = <0x15>; + interrupt-parent = <&gpio0>; + interrupts = <4 IRQ_TYPE_EDGE_RISING>; + reset-gpios = <&gpio 17 GPIO_ACTIVE_LOW>; + linux,keycodes = <KEY_UP>, <KEY_DOWN>, <KEY_LEFT>, <KEY_RIGHT>, + <BTN_TOOL_TRIPLETAP>; + }; + }; + +... -- 2.43.0
