| Message ID | 20200307211412.44148-4-contact@artur-rojek.eu (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v4,1/5] IIO: Ingenic JZ47xx: Add xlate cb to retrieve correct channel idx | expand |
On Sat, 7 Mar 2020 22:14:11 +0100, Artur Rojek wrote: > Add documentation for the adc-joystick driver, used to provide support > for joysticks connected over ADC. > > Signed-off-by: Artur Rojek <contact@artur-rojek.eu> > Tested-by: Paul Cercueil <paul@crapouillou.net> > --- > > Changes: > > v2: - Add `reg` property to axis subnode in order to enumerate the axes, > - rename `linux,abs-code` property to `linux,code`, > - drop `linux,` prefix from the remaining properties of axis subnode > > v3: no change > > v4: - remove "bindings" from the unique identifier string, > - replace `|` with `>` for all description properties, > - specify the number of items for `io-channels`, > - correct the regex pattern of `axis` property, > - specify the value range of `reg` property for each axis, > - put `abs-range` properties under `allOf` > > .../bindings/input/adc-joystick.yaml | 121 ++++++++++++++++++ > 1 file changed, 121 insertions(+) > create mode 100644 Documentation/devicetree/bindings/input/adc-joystick.yaml > My bot found errors running 'make dt_binding_check' on your patch: Error: Documentation/devicetree/bindings/input/adc-joystick.example.dts:22.31-32 syntax error FATAL ERROR: Unable to parse input tree scripts/Makefile.lib:311: recipe for target 'Documentation/devicetree/bindings/input/adc-joystick.example.dt.yaml' failed make[1]: *** [Documentation/devicetree/bindings/input/adc-joystick.example.dt.yaml] Error 1 Makefile:1262: recipe for target 'dt_binding_check' failed make: *** [dt_binding_check] Error 2 See https://patchwork.ozlabs.org/patch/1250951 Please check and re-submit.
Hi Rob, On 2020-03-09 21:38, Rob Herring wrote: > On Sat, 7 Mar 2020 22:14:11 +0100, Artur Rojek wrote: >> Add documentation for the adc-joystick driver, used to provide support >> for joysticks connected over ADC. >> >> Signed-off-by: Artur Rojek <contact@artur-rojek.eu> >> Tested-by: Paul Cercueil <paul@crapouillou.net> >> --- >> >> Changes: >> >> v2: - Add `reg` property to axis subnode in order to enumerate the >> axes, >> - rename `linux,abs-code` property to `linux,code`, >> - drop `linux,` prefix from the remaining properties of axis >> subnode >> >> v3: no change >> >> v4: - remove "bindings" from the unique identifier string, >> - replace `|` with `>` for all description properties, >> - specify the number of items for `io-channels`, >> - correct the regex pattern of `axis` property, >> - specify the value range of `reg` property for each axis, >> - put `abs-range` properties under `allOf` >> >> .../bindings/input/adc-joystick.yaml | 121 >> ++++++++++++++++++ >> 1 file changed, 121 insertions(+) >> create mode 100644 >> Documentation/devicetree/bindings/input/adc-joystick.yaml >> > > My bot found errors running 'make dt_binding_check' on your patch: Like with the previous versions of this patch set, the DTS example requires that patch [2/5] is applied first. When that is done, the DT check does succeed here. Regards, Artur > > Error: > Documentation/devicetree/bindings/input/adc-joystick.example.dts:22.31-32 > syntax error > FATAL ERROR: Unable to parse input tree > scripts/Makefile.lib:311: recipe for target > 'Documentation/devicetree/bindings/input/adc-joystick.example.dt.yaml' > failed > make[1]: *** > [Documentation/devicetree/bindings/input/adc-joystick.example.dt.yaml] > Error 1 > Makefile:1262: recipe for target 'dt_binding_check' failed > make: *** [dt_binding_check] Error 2 > > See https://patchwork.ozlabs.org/patch/1250951 > Please check and re-submit.
On Mon, 09 Mar 2020 22:41:00 +0100 Artur Rojek <contact@artur-rojek.eu> wrote: > Hi Rob, > > On 2020-03-09 21:38, Rob Herring wrote: > > On Sat, 7 Mar 2020 22:14:11 +0100, Artur Rojek wrote: > >> Add documentation for the adc-joystick driver, used to provide support > >> for joysticks connected over ADC. > >> > >> Signed-off-by: Artur Rojek <contact@artur-rojek.eu> > >> Tested-by: Paul Cercueil <paul@crapouillou.net> > >> --- > >> > >> Changes: > >> > >> v2: - Add `reg` property to axis subnode in order to enumerate the > >> axes, > >> - rename `linux,abs-code` property to `linux,code`, > >> - drop `linux,` prefix from the remaining properties of axis > >> subnode > >> > >> v3: no change > >> > >> v4: - remove "bindings" from the unique identifier string, > >> - replace `|` with `>` for all description properties, > >> - specify the number of items for `io-channels`, > >> - correct the regex pattern of `axis` property, > >> - specify the value range of `reg` property for each axis, > >> - put `abs-range` properties under `allOf` > >> > >> .../bindings/input/adc-joystick.yaml | 121 > >> ++++++++++++++++++ > >> 1 file changed, 121 insertions(+) > >> create mode 100644 > >> Documentation/devicetree/bindings/input/adc-joystick.yaml > >> > > > > My bot found errors running 'make dt_binding_check' on your patch: > Like with the previous versions of this patch set, the DTS example > requires that > patch [2/5] is applied first. When that is done, the DT check does > succeed here. Fair enough as far as I am concerned. There were enough comments from Rob in the previous version though that I'd definitely like him to take another look before I pick this series up. Thanks, Jonathan > > Regards, > Artur > > > > Error: > > Documentation/devicetree/bindings/input/adc-joystick.example.dts:22.31-32 > > syntax error > > FATAL ERROR: Unable to parse input tree > > scripts/Makefile.lib:311: recipe for target > > 'Documentation/devicetree/bindings/input/adc-joystick.example.dt.yaml' > > failed > > make[1]: *** > > [Documentation/devicetree/bindings/input/adc-joystick.example.dt.yaml] > > Error 1 > > Makefile:1262: recipe for target 'dt_binding_check' failed > > make: *** [dt_binding_check] Error 2 > > > > See https://patchwork.ozlabs.org/patch/1250951 > > Please check and re-submit.
On Sat, Mar 7, 2020 at 2:06 PM Artur Rojek <contact@artur-rojek.eu> wrote: > > Add documentation for the adc-joystick driver, used to provide support > for joysticks connected over ADC. > > Signed-off-by: Artur Rojek <contact@artur-rojek.eu> > Tested-by: Paul Cercueil <paul@crapouillou.net> > --- > > Changes: > > v2: - Add `reg` property to axis subnode in order to enumerate the axes, > - rename `linux,abs-code` property to `linux,code`, > - drop `linux,` prefix from the remaining properties of axis subnode > > v3: no change > > v4: - remove "bindings" from the unique identifier string, > - replace `|` with `>` for all description properties, > - specify the number of items for `io-channels`, > - correct the regex pattern of `axis` property, > - specify the value range of `reg` property for each axis, > - put `abs-range` properties under `allOf` > > .../bindings/input/adc-joystick.yaml | 121 ++++++++++++++++++ > 1 file changed, 121 insertions(+) > create mode 100644 Documentation/devicetree/bindings/input/adc-joystick.yaml > > diff --git a/Documentation/devicetree/bindings/input/adc-joystick.yaml b/Documentation/devicetree/bindings/input/adc-joystick.yaml > new file mode 100644 > index 000000000000..b0d2aa28d8c6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/adc-joystick.yaml > @@ -0,0 +1,121 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright 2019-2020 Artur Rojek > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/input/adc-joystick.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: ADC attached joystick > + > +maintainers: > + - Artur Rojek <contact@artur-rojek.eu> > + > +description: > > + Bindings for joystick devices connected to ADC controllers supporting > + the Industrial I/O subsystem. > + > +properties: > + compatible: > + const: adc-joystick > + > + io-channels: > + minItems: 1 > + maxItems: 1024 > + description: > > + List of phandle and IIO specifier pairs. > + Each pair defines one ADC channel to which a joystick axis is connected. > + See Documentation/devicetree/bindings/iio/iio-bindings.txt for details. > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > +required: > + - compatible > + - io-channels > + - '#address-cells' > + - '#size-cells' > + > +additionalProperties: false > + > +patternProperties: > + "^axis@[0-9]+$": unit-addresses are hex, so add 'a-f' in there. With that, Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/input/adc-joystick.yaml b/Documentation/devicetree/bindings/input/adc-joystick.yaml new file mode 100644 index 000000000000..b0d2aa28d8c6 --- /dev/null +++ b/Documentation/devicetree/bindings/input/adc-joystick.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019-2020 Artur Rojek +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/input/adc-joystick.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: ADC attached joystick + +maintainers: + - Artur Rojek <contact@artur-rojek.eu> + +description: > + Bindings for joystick devices connected to ADC controllers supporting + the Industrial I/O subsystem. + +properties: + compatible: + const: adc-joystick + + io-channels: + minItems: 1 + maxItems: 1024 + description: > + List of phandle and IIO specifier pairs. + Each pair defines one ADC channel to which a joystick axis is connected. + See Documentation/devicetree/bindings/iio/iio-bindings.txt for details. + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +required: + - compatible + - io-channels + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +patternProperties: + "^axis@[0-9]+$": + type: object + description: > + Represents a joystick axis bound to the given ADC channel. + For each entry in the io-channels list, one axis subnode with a matching + reg property must be specified. + + properties: + reg: + minimum: 0 + maximum: 1023 + description: Index of an io-channels list entry bound to this axis. + + linux,code: + $ref: /schemas/types.yaml#/definitions/uint32 + description: EV_ABS specific event code generated by the axis. + + abs-range: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - items: + - description: minimum value + - description: maximum value + description: > + Minimum and maximum values produced by the axis. + For an ABS_X axis this will be the left-most and right-most + inclination of the joystick. If min > max, it is left to userspace to + treat the axis as inverted. + This property is interpreted as two signed 32 bit values. + + abs-fuzz: + $ref: /schemas/types.yaml#/definitions/uint32 + description: > + Amount of noise in the input value. + Omitting this property indicates the axis is precise. + + abs-flat: + $ref: /schemas/types.yaml#/definitions/uint32 + description: > + Axial "deadzone", or area around the center position, where the axis + is considered to be at rest. + Omitting this property indicates the axis always returns to exactly + the center position. + + required: + - reg + - linux,code + - abs-range + + additionalProperties: false + +examples: + - | + #include <dt-bindings/iio/adc/ingenic,adc.h> + #include <dt-bindings/input/input.h> + + joystick: adc-joystick { + compatible = "adc-joystick"; + io-channels = <&adc INGENIC_ADC_TOUCH_XP>, + <&adc INGENIC_ADC_TOUCH_YP>; + #address-cells = <1>; + #size-cells = <0>; + + axis@0 { + reg = <0>; + linux,code = <ABS_X>; + abs-range = <3300 0>; + abs-fuzz = <4>; + abs-flat = <200>; + }; + axis@1 { + reg = <1>; + linux,code = <ABS_Y>; + abs-range = <0 3300>; + abs-fuzz = <4>; + abs-flat = <200>; + }; + };