linux-kernel - Re: [PATCH 1/4] dt-bindings: touchscreen: convert neonode,zforce to json-schema

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Message-ID: <20230816-customary-service-8d9c5e5dbf1b@spud>
Date:   Wed, 16 Aug 2023 15:52:16 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     dmitry.torokhov@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, rydberg@...math.org,
        u.kleine-koenig@...gutronix.de, linus.walleij@...aro.org,
        Jonathan.Cameron@...wei.com, linux-input@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, heiko@...ech.de
Subject: Re: [PATCH 1/4] dt-bindings: touchscreen: convert neonode,zforce to
 json-schema

On Tue, Aug 15, 2023 at 08:29:45PM +0200, Andreas Kemnade wrote:
> Convert Neonode infrared touchscreen controller binding to DT schema.
> 
> Signed-off-by: Andreas Kemnade <andreas@...nade.info>
> ---
>  .../input/touchscreen/neonode,zforce.yaml     | 67 +++++++++++++++++++
>  .../bindings/input/touchscreen/zforce_ts.txt  | 34 ----------
>  2 files changed, 67 insertions(+), 34 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/input/touchscreen/neonode,zforce.yaml
>  delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt
> 
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/neonode,zforce.yaml b/Documentation/devicetree/bindings/input/touchscreen/neonode,zforce.yaml
> new file mode 100644
> index 000000000000..1c45adb2407a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/neonode,zforce.yaml
> @@ -0,0 +1,67 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/touchscreen/neonode,zforce.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Neonode infrared touchscreen controller
> +
> +maintainers:
> +  - Heiko Stuebner <heiko.stuebner@...eaders.com>

It;d be good to CC the person you're volunteering! I've done so.

> +
> +properties:
> +  compatible:
> +    const: neonode,zforce
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  irq-gpios:
> +    maxItems: 1
> +
> +  x-size:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  y-size:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  vdd-supply: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - reset-gpios
> +  - x-size
> +  - y-size
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        touchscreen@50 {
> +            compatible = "neonode,zforce";
> +            reg = <0x50>;
> +            interrupts = <2 0>;
> +            vdd-supply = <&reg_zforce_vdd>;
> +
> +            reset-gpios = <&gpio5 9 0>; /* RST */
> +            irq-gpios = <&gpio5 6 0>; /* IRQ, optional */
> +
> +            x-size = <800>;
> +            y-size = <600>;
> +        };
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt b/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt
> deleted file mode 100644
> index e3c27c4fd9c8..000000000000
> --- a/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt
> +++ /dev/null
> @@ -1,34 +0,0 @@
> -* Neonode infrared touchscreen controller
> -
> -Required properties:
> -- compatible: must be "neonode,zforce"
> -- reg: I2C address of the chip
> -- interrupts: interrupt to which the chip is connected
> -- reset-gpios: reset gpio the chip is connected to
> -- x-size: horizontal resolution of touchscreen
> -- y-size: vertical resolution of touchscreen
> -
> -Optional properties:
> -- irq-gpios : interrupt gpio the chip is connected to
> -- vdd-supply: Regulator controlling the controller supply
> -
> -Example:
> -
> -	i2c@...00000 {
> -		/* ... */
> -
> -		zforce_ts@50 {
> -			compatible = "neonode,zforce";
> -			reg = <0x50>;
> -			interrupts = <2 0>;
> -			vdd-supply = <&reg_zforce_vdd>;
> -
> -			reset-gpios = <&gpio5 9 0>; /* RST */
> -			irq-gpios = <&gpio5 6 0>; /* IRQ, optional */
> -
> -			x-size = <800>;
> -			y-size = <600>;
> -		};
> -
> -		/* ... */
> -	};
> -- 
> 2.39.2
> 

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