From: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx> This adds device tree bindings for the Hycon HY46XX touchscreen series. Signed-off-by: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx> --- .../input/touchscreen/hycon,hy46xx.yaml | 130 ++++++++++++++++++ MAINTAINERS | 6 + 2 files changed, 136 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml new file mode 100644 index 000000000000..cddd5e5bae92 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/hycon-hy46xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: hyconon HY46XX series touchscreen controller Bindings + +description: | + There are 6 variants of the chip for various touch panel sizes and coverl len material + Glass: 0.3mm--4.0mm + PET/PMMA: 0.2mm--2.0mm + HY4613(B)-N048 < 6" + HY4614(B)-N068 7" .. 10.1" + HY4621-NS32 < 5" + HY4623-NS48 5.1" .. 7" + Glass: 0.3mm--8.0mm + PET/PMMA: 0.2mm--4.0mm + HY4633(B)-N048 < 6" + HY4635(B)-N048 < 7" .. 10.1" + +maintainers: + - Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - hycon,hycon-hy4613 + - hycon,hycon-hy4614 + - hycon,hycon-hy4621 + - hycon,hycon-hy4623 + - hycon,hycon-hy4633 + - hycon,hycon-hy4635 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vcc-supply: true + + threshold: + description: Allows setting the sensitivity in the range from 0 to 255. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + + proximity-sensor-switch: + description: Allows enabling or disabling the Proximity Sensor. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 1 + + glove-enable: + description: Allows enabling or disabling glove setting. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 1 + + report-speed: + description: Allows setting the report speed(i.e 0x64 => 100Hz). + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 255 + + power-noise-enable: + description: Allows enabling or disabling power noise filter. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 1 + + filter-data: + description: Allows setting the filtering data before reporting touch + in the range from 0 to 5. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + + gain: + description: Allows setting the sensitivity distance in the range from 0 to 5. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + + edge-offset: + description: Allows setting the edge compensation in the range from 0 to 16. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 16 + + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-fuzz-x: true + touchscreen-fuzz-y: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-swapped-x-y: true + interrupt-controller: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + hycon-hy4633@1c { + compatible = "hycon,hy4633"; + reg = <0x1c>; + interrupt-parent = <&gpio2>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index d92f85ca831d..3f83daf6b2bf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8245,6 +8245,12 @@ S: Maintained F: mm/hwpoison-inject.c F: mm/memory-failure.c +HYCON HY46XX TOUCHSCREEN SUPPORT +M: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx> +L: linux-input@xxxxxxxxxxxxxxx +S: Maintained +F: Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml + HYGON PROCESSOR SUPPORT M: Pu Wen <puwen@xxxxxxxx> L: linux-kernel@xxxxxxxxxxxxxxx -- 2.25.1
