On Mon, May 17, 2021 at 09:18:24AM +0200, Oleksij Rempel wrote: > Convert the resistive-adc-touch binding to DT schema format using json-schema. > > Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> > --- > .../input/touchscreen/resistive-adc-touch.txt | 33 ---------- > .../touchscreen/resistive-adc-touch.yaml | 61 +++++++++++++++++++ > 2 files changed, 61 insertions(+), 33 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.txt > create mode 100644 Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml > > diff --git a/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.txt b/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.txt > deleted file mode 100644 > index af5223bb5bdd..000000000000 > --- a/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.txt > +++ /dev/null > @@ -1,33 +0,0 @@ > -Generic resistive touchscreen ADC > - > -Required properties: > - > - - compatible: must be "resistive-adc-touch" > -The device must be connected to an ADC device that provides channels for > -position measurement and optional pressure. > -Refer to > -https://github.com/devicetree-org/dt-schema/blob/master/schemas/iio/iio-consumer.yaml > -for details > - > - - iio-channels: must have at least two channels connected to an ADC device. > -These should correspond to the channels exposed by the ADC device and should > -have the right index as the ADC device registers them. These channels > -represent the relative position on the "x" and "y" axes. > - - iio-channel-names: must have all the channels' names. Mandatory channels > -are "x" and "y". > - > -Optional properties: > - - iio-channels: The third channel named "pressure" is optional and can be > -used if the ADC device also measures pressure besides position. > -If this channel is missing, pressure will be ignored and the touchscreen > -will only report position. > - - iio-channel-names: optional channel named "pressure". > - > -Example: > - > - resistive_touch: resistive_touch { > - compatible = "resistive-adc-touch"; > - touchscreen-min-pressure = <50000>; > - io-channels = <&adc 24>, <&adc 25>, <&adc 26>; > - io-channel-names = "x", "y", "pressure"; > - }; > diff --git a/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml b/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml > new file mode 100644 > index 000000000000..53df21a6589e > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/touchscreen/resistive-adc-touch.yaml > @@ -0,0 +1,61 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/input/touchscreen/resistive-adc-touch.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Generic resistive touchscreen ADC > + > +maintainers: > + - Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> > + > +description: | > + Generic ADC based resistive touchscreen controller > + The device must be connected to an ADC device that provides channels for > + position measurement and optional pressure. > + > +allOf: > + - $ref: touchscreen.yaml# > + > +properties: > + compatible: > + const: resistive-adc-touch > + > + io-channels: > + minItems: 2 > + maxItems: 3 maxItems is implied by the 'items' length. > + items: > + - description: x > + - description: y > + - description: pressure (optional) > + > + io-channel-names: This needs minItems, too. > + items: > + - const: x > + - const: y > + - const: pressure > + > + 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 > + touchscreen-min-pressure: true > + > +additionalProperties: false > + > +required: > + - compatible > + - io-channels > + - io-channel-names > + > +examples: > + - | > + resistive_touch { touchscreen { > + compatible = "resistive-adc-touch"; > + touchscreen-min-pressure = <50000>; > + io-channels = <&adc 24>, <&adc 25>, <&adc 26>; > + io-channel-names = "x", "y", "pressure"; > + }; > -- > 2.29.2 >
