Commit f61023df authored by Benjamin Gaignard's avatar Benjamin Gaignard Committed by Dmitry Torokhov
Browse files

dt-bindings: touchscreen: Convert Goodix touchscreen to json-schema 



Convert the Goodix binding to DT schema format using json-schema

Signed-off-by: default avatarBenjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200108091118.5130-3-benjamin.gaignard@st.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 1d6204e2

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

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Device tree bindings for Goodix GT9xx series touchscreen controller



Required properties:



 - compatible		: Should be "goodix,gt1151"

				 or "goodix,gt5663"

				 or "goodix,gt5688"

				 or "goodix,gt911"

				 or "goodix,gt9110"

				 or "goodix,gt912"

				 or "goodix,gt927"

				 or "goodix,gt9271"

				 or "goodix,gt928"

				 or "goodix,gt967"

 - reg			: I2C address of the chip. Should be 0x5d or 0x14

 - interrupts		: Interrupt to which the chip is connected



Optional properties:



 - irq-gpios		: GPIO pin used for IRQ. The driver uses the

			  interrupt gpio pin as output to reset the device.

 - reset-gpios		: GPIO pin used for reset

 - AVDD28-supply	: Analog power supply regulator on AVDD28 pin

 - VDDIO-supply		: GPIO power supply regulator on VDDIO pin

 - touchscreen-inverted-x

 - touchscreen-inverted-y

 - touchscreen-size-x

 - touchscreen-size-y

 - touchscreen-swapped-x-y



The touchscreen-* properties are documented in touchscreen.txt in this

directory.



Example:



	i2c@00000000 {

		/* ... */



		gt928@5d {

			compatible = "goodix,gt928";

			reg = <0x5d>;

			interrupt-parent = <&gpio>;

			interrupts = <0 0>;



			irq-gpios = <&gpio1 0 0>;

			reset-gpios = <&gpio1 1 0>;

		};



		/* ... */

	};

Documentation/devicetree/bindings/input/touchscreen/goodix.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

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

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



title: Goodix GT9xx series touchscreen controller Bindings



maintainers:

  - Dmitry Torokhov <dmitry.torokhov@gmail.com>



allOf:

  - $ref: touchscreen.yaml#



properties:

  compatible:

    enum:

      - goodix,gt1151

      - goodix,gt5663

      - goodix,gt5688

      - goodix,gt911

      - goodix,gt9110

      - goodix,gt912

      - goodix,gt927

      - goodix,gt9271

      - goodix,gt928

      - goodix,gt967



  reg:

    enum: [ 0x5d, 0x14 ]



  interrupts:

    maxItems: 1



  irq-gpios:

    description: GPIO pin used for IRQ.

                 The driver uses the interrupt gpio pin as

                 output to reset the device.

    maxItems: 1



  reset-gpios:

    maxItems: 1



  AVDD28-supply:

    description: Analog power supply regulator on AVDD28 pin



  VDDIO-supply:

    description: GPIO power supply regulator on VDDIO pin



  touchscreen-inverted-x: true

  touchscreen-inverted-y: true

  touchscreen-size-x: true

  touchscreen-size-y: true

  touchscreen-swapped-x-y: true



additionalProperties: false



required:

  - compatible

  - reg

  - interrupts



examples:

- |

    i2c@00000000 {

      #address-cells = <1>;

      #size-cells = <0>;

      gt928@5d {

        compatible = "goodix,gt928";

        reg = <0x5d>;

        interrupt-parent = <&gpio>;

        interrupts = <0 0>;

        irq-gpios = <&gpio1 0 0>;

        reset-gpios = <&gpio1 1 0>;

      };

    };



...