| Message ID | 20200310142818.15415-1-linus.walleij@linaro.org |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | [1/2,v1] dt-bindings: touchscreen: Add CY8CTMA140 bindings | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success | |
| robh/dt-meta-schema | success |
On Tue, Mar 10, 2020 at 03:28:17PM +0100, Linus Walleij wrote: > This adds device tree bindings for the Cypress CY8CTMA140 > touchscreen. > > Cc: devicetree@vger.kernel.org > Cc: Ferruh Yigit <fery@cypress.com> > Cc: Henrik Rydberg <rydberg@bitmath.org> > Signed-off-by: Linus Walleij <linus.walleij@linaro.org> > --- > .../input/touchscreen/cypress,cy8ctma140.yaml | 72 +++++++++++++++++++ > 1 file changed, 72 insertions(+) > create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml > > diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml b/Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml > new file mode 100644 > index 000000000000..66b488e48b74 > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml > @@ -0,0 +1,72 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/input/touchscreen/cypress,cy8ctma140.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Cypress CY8CTMA140 series touchscreen controller bindings > + > +maintainers: > + - Linus Walleij <linus.walleij@linaro.org> > + > +allOf: > + - $ref: touchscreen.yaml# > + > +properties: > + compatible: > + const: cypress,cy8ctma140 > + > + reg: > + description: I2C client address, defined by hardware Can drop this. That's every 'reg'. > + const: 0x20 > + > + clock-frequency: > + description: I2C client max frequency, defined by hardware > + const: 400000 What if I have a board which can't do 400k? Perhaps 'maximum: 400000' instead. With that, Reviewed-by: Rob Herring <robh@kernel.org> > + > + interrupts: > + maxItems: 1 > + > + vcpin-supply: > + description: Analog power supply regulator on VCPIN pin > + > + vdd-supply: > + description: Digital power supply regulator on VDD pin > + > + touchscreen-inverted-x: true > + touchscreen-inverted-y: true > + touchscreen-size-x: true > + touchscreen-size-y: true > + touchscreen-swapped-x-y: true > + touchscreen-max-pressure: true > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - interrupts > + - touchscreen-size-x > + - touchscreen-size-y > + - touchscreen-max-pressure > + > +examples: > +- | > + #include <dt-bindings/interrupt-controller/irq.h> > + i2c@00000000 { > + #address-cells = <1>; > + #size-cells = <0>; > + touchscreen@20 { > + compatible = "cypress,cy8ctma140"; > + reg = <0x20>; > + touchscreen-size-x = <480>; > + touchscreen-size-y = <800>; > + touchscreen-max-pressure = <255>; > + interrupt-parent = <&gpio6>; > + interrupts = <26 IRQ_TYPE_EDGE_FALLING>; > + vdd-supply = <&ab8500_ldo_aux2_reg>; > + vcpin-supply = <&ab8500_ldo_aux2_reg>; > + }; > + }; > + > +... > -- > 2.21.1 >
diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml b/Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml new file mode 100644 index 000000000000..66b488e48b74 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/cypress,cy8ctma140.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cypress CY8CTMA140 series touchscreen controller bindings + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: cypress,cy8ctma140 + + reg: + description: I2C client address, defined by hardware + const: 0x20 + + clock-frequency: + description: I2C client max frequency, defined by hardware + const: 400000 + + interrupts: + maxItems: 1 + + vcpin-supply: + description: Analog power supply regulator on VCPIN pin + + vdd-supply: + description: Digital power supply regulator on VDD pin + + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-swapped-x-y: true + touchscreen-max-pressure: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - touchscreen-size-x + - touchscreen-size-y + - touchscreen-max-pressure + +examples: +- | + #include <dt-bindings/interrupt-controller/irq.h> + i2c@00000000 { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@20 { + compatible = "cypress,cy8ctma140"; + reg = <0x20>; + touchscreen-size-x = <480>; + touchscreen-size-y = <800>; + touchscreen-max-pressure = <255>; + interrupt-parent = <&gpio6>; + interrupts = <26 IRQ_TYPE_EDGE_FALLING>; + vdd-supply = <&ab8500_ldo_aux2_reg>; + vcpin-supply = <&ab8500_ldo_aux2_reg>; + }; + }; + +...
This adds device tree bindings for the Cypress CY8CTMA140 touchscreen. Cc: devicetree@vger.kernel.org Cc: Ferruh Yigit <fery@cypress.com> Cc: Henrik Rydberg <rydberg@bitmath.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- .../input/touchscreen/cypress,cy8ctma140.yaml | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,cy8ctma140.yaml