> Il giorno 12 apr 2021, alle ore 16:46, Rob Herring <robh@xxxxxxxxxx> ha scritto: > > On Sun, Apr 11, 2021 at 01:48:03PM +0200, Giulio Benetti wrote: >> This adds device tree bindings for the Hycon HY46XX touchscreen series. >> >> Signed-off-by: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxxxxxxxx> >> --- >> V1->V2: >> As suggested by Rob Herring: >> * fixed $id: address >> * added "hycon," in front of every custom property >> * changed all possible property to boolean type >> * removed proximity-sensor-switch property since it's not handled in driver >> V2->V3: >> As suggested by Jonathan Neuschäfer: >> * fixed some typo >> * fixed description indentation >> * improved boolean properties descriptions >> * improved hycon,report-speed description >> V3->V4: >> * fixed binding compatible string in example as suggested by Jonathan Neuschäfer >> V4->V5: >> As suggested by Rob Herring: >> * drop hycon- prefix from compatible >> * use Hertz unit suffix for hycon,report-speed instead of u32 > > hycon,report-speed-hz Thank you, I’m going to send V6 series. Giulio > >> * set hycon,report-speed minimum to 1Hz, 0Hz make controller to do nothing >> * change hycon,power-noise-enable property name to hycon,noise-filter-enable >> * improve hycon,filter-data property description >> * use generic touchscreen node name in example >> --- >> .../input/touchscreen/hycon,hy46xx.yaml | 119 ++++++++++++++++++ >> MAINTAINERS | 6 + >> 2 files changed, 125 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml >> >> diff --git a/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml >> new file mode 100644 >> index 000000000000..ae792e3716ff >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml >> @@ -0,0 +1,119 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/input/touchscreen/hycon,hy46xx.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Hycon HY46XX series touchscreen controller bindings >> + >> +description: | >> + There are 6 variants of the chip for various touch panel sizes and cover lens 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@xxxxxxxxxxxxxxxxxxxxxx> >> + >> +allOf: >> + - $ref: touchscreen.yaml# >> + >> +properties: >> + compatible: >> + enum: >> + - hycon,hy4613 >> + - hycon,hy4614 >> + - hycon,hy4621 >> + - hycon,hy4623 >> + - hycon,hy4633 >> + - hycon,hy4635 >> + >> + reg: >> + maxItems: 1 >> + >> + interrupts: >> + maxItems: 1 >> + >> + reset-gpios: >> + maxItems: 1 >> + >> + vcc-supply: true >> + >> + hycon,threshold: >> + description: Allows setting the sensitivity in the range from 0 to 255. >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + minimum: 0 >> + maximum: 255 >> + >> + hycon,glove-enable: >> + type: boolean >> + description: Allows enabling glove setting. >> + >> + hycon,report-speed: >> + description: Allows setting the report speed in Hertz. >> + minimum: 1 >> + maximum: 255 >> + >> + hycon,noise-filter-enable: >> + type: boolean >> + description: Allows enabling power noise filter. >> + >> + hycon,filter-data: >> + description: Allows setting how many samples throw before reporting touch >> + in the range from 0 to 5. >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + minimum: 0 >> + maximum: 5 >> + >> + hycon,gain: >> + description: Allows setting the sensitivity distance in the range from 0 to 5. >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + minimum: 0 >> + maximum: 5 >> + >> + hycon,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>; >> + touchscreen@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 7fdc513392f4..18a50942c019 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -8250,6 +8250,12 @@ S: Maintained >> F: mm/hwpoison-inject.c >> F: mm/memory-failure.c >> >> +HYCON HY46XX TOUCHSCREEN SUPPORT >> +M: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxxxxxxxx> >> +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 >>
