Commit 45601c66 authored by Frank Li's avatar Frank Li Committed by Dmitry Torokhov
Browse files

dt-bindings: input: touchscreen: convert tsc2007.txt to yaml format 



Convert tsc2007.txt to yaml format.

Additional changes:
- add pendown-gpio property to match existed dts.

Signed-off-by: default avatarFrank Li <Frank.Li@nxp.com>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250529193241.793678-1-Frank.Li@nxp.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 54e626d0

Documentation/devicetree/bindings/input/touchscreen/ti.tsc2007.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/input/touchscreen/ti.tsc2007.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Texas Instruments tsc2007 touchscreen controller



maintainers:

  - Frank Li <Frank.Li@nxp.com>



properties:

  compatible:

    const: ti,tsc2007



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  ti,x-plate-ohms:

    description: X-plate resistance in ohms.



  gpios: true



  pendown-gpio: true



  ti,max-rt:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: maximum pressure.



  ti,fuzzx:

    $ref: /schemas/types.yaml#/definitions/uint32

    description:

      specifies the absolute input fuzz x value.

      If set, it will permit noise in the data up to +- the value given to the fuzz

      parameter, that is used to filter noise from the event stream.



  ti,fuzzy:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: specifies the absolute input fuzz y value.



  ti,fuzzz:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: specifies the absolute input fuzz z value.



  ti,poll-period:

    $ref: /schemas/types.yaml#/definitions/uint32

    description:

      how much time to wait (in milliseconds) before reading again the

      values from the tsc2007.



required:

  - compatible

  - reg

  - ti,x-plate-ohms



additionalProperties: false



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        touch@49 {

           compatible = "ti,tsc2007";

           reg = <0x49>;

           interrupt-parent = <&gpio4>;

           interrupts = <0x0 0x8>;

           gpios = <&gpio4 0 0>;

           ti,x-plate-ohms = <180>;

        };

    };

Documentation/devicetree/bindings/input/touchscreen/tsc2007.txt

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* Texas Instruments tsc2007 touchscreen controller



Required properties:

- compatible: must be "ti,tsc2007".

- reg: I2C address of the chip.

- ti,x-plate-ohms: X-plate resistance in ohms.



Optional properties:

- gpios: the interrupt gpio the chip is connected to (through the penirq pin).

  The penirq pin goes to low when the panel is touched.

  (see GPIO binding[1] for more details).

- interrupts: (gpio) interrupt to which the chip is connected

  (see interrupt binding[0]).

- ti,max-rt: maximum pressure.

- ti,fuzzx: specifies the absolute input fuzz x value.

  If set, it will permit noise in the data up to +- the value given to the fuzz

  parameter, that is used to filter noise from the event stream.

- ti,fuzzy: specifies the absolute input fuzz y value.

- ti,fuzzz: specifies the absolute input fuzz z value.

- ti,poll-period: how much time to wait (in milliseconds) before reading again the

  values from the tsc2007.



[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt

[1]: Documentation/devicetree/bindings/gpio/gpio.txt



Example:

	&i2c1 {

		/* ... */

		tsc2007@49 {

			compatible = "ti,tsc2007";

			reg = <0x49>;

			interrupt-parent = <&gpio4>;

			interrupts = <0x0 0x8>;

			gpios = <&gpio4 0 0>;

			ti,x-plate-ohms = <180>;

		};



		/* ... */

	};