Commit 6b4896e4 authored by Dario Binacchi's avatar Dario Binacchi Committed by Dmitry Torokhov
Browse files

dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add touchscreen child node 



Convert Raspberry Pi firmware 7" touchscreen controller device tree
binding to json-schema.

Signed-off-by: default avatarDario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250925153144.4082786-2-dario.binacchi@amarulasolutions.com


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent b0b255d6

Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml

+28 −0
Original line number Diff line number Diff line
@@ -103,6 +103,28 @@ properties: 
      - compatible

      - "#pwm-cells"



  touchscreen:

    type: object

    $ref: /schemas/input/touchscreen/touchscreen.yaml#

    additionalProperties: false



    properties:

      compatible:

        const: raspberrypi,firmware-ts



      firmware:

        deprecated: true

        description: Phandle to RPi's firmware device node.



      touchscreen-size-x: true

      touchscreen-size-y: true

      touchscreen-inverted-x: true

      touchscreen-inverted-y: true

      touchscreen-swapped-x-y: true



    required:

      - compatible



required:

  - compatible

  - mboxes
@@ -135,5 +157,11 @@ examples: 
            compatible = "raspberrypi,firmware-poe-pwm";

            #pwm-cells = <2>;

        };



        ts: touchscreen {

            compatible = "raspberrypi,firmware-ts";

            touchscreen-size-x = <800>;

            touchscreen-size-y = <480>;

        };

    };

...

Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt

deleted100644 → 0
+0 −26
Original line number Diff line number Diff line 
Raspberry Pi firmware based 7" touchscreen

=====================================



Required properties:

 - compatible: "raspberrypi,firmware-ts"



Optional properties:

 - firmware: Reference to RPi's firmware device node

 - touchscreen-size-x: See touchscreen.txt

 - touchscreen-size-y: See touchscreen.txt

 - touchscreen-inverted-x: See touchscreen.txt

 - touchscreen-inverted-y: See touchscreen.txt

 - touchscreen-swapped-x-y: See touchscreen.txt



Example:



firmware: firmware-rpi {

	compatible = "raspberrypi,bcm2835-firmware";

	mboxes = <&mailbox>;



	ts: touchscreen {

		compatible = "raspberrypi,firmware-ts";

		touchscreen-size-x = <800>;

		touchscreen-size-y = <480>;

	};

};