Re: [PATCH] dt-bindings: input: touchscreen: convert sis_i2c to DT schema

["Mika Penttilä" <mpenttil@redhat.com>]

On 8/21/26 16:10, Ștefan Ghețu wrote:

> Convert the SiS 9200 family I2C touchscreen binding from free-form
> text to DT schema format.
>
> While at it, fix the example which referenced a non-existent
> "irq-gpios" property; the driver looks up "attn" via
> devm_gpiod_get_optional(), so the correct property is "attn-gpios".
>
> Signed-off-by: Ștefan Ghețu <stefanghetu9@gmail.com>
> ---

Thanks, looks good time me!

Reviewed-by: Mika Penttilä <mpenttil@redhat.com>

>  .../input/touchscreen/sis,9200-ts.yaml        | 61 +++++++++++++++++++
>  .../bindings/input/touchscreen/sis_i2c.txt    | 31 ----------
>  MAINTAINERS                                   |  2 +-
>  3 files changed, 62 insertions(+), 32 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/input/touchscreen/sis,9200-ts.yaml
>  delete mode 100644 Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
>
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/sis,9200-ts.yaml b/Documentation/devicetree/bindings/input/touchscreen/sis,9200-ts.yaml
> new file mode 100644
> index 000000000..5c4806348
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/sis,9200-ts.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/touchscreen/sis,9200-ts.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SiS 9200 Family I2C Touchscreen Controller
> +
> +maintainers:
> +  - Mika Penttilä <mpenttil@redhat.com>
> +
> +allOf:
> +  - $ref: touchscreen.yaml#
> +
> +properties:
> +  compatible:
> +    const: sis,9200-ts
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  attn-gpios:
> +    maxItems: 1
> +    description: GPIO pin used as the attention line
> +
> +  reset-gpios:
> +    maxItems: 1
> +    description: GPIO pin used to reset the controller
> +
> +  wakeup-source: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        touchscreen@5c {
> +            compatible = "sis,9200-ts";
> +            reg = <0x5c>;
> +            pinctrl-names = "default";
> +            pinctrl-0 = <&pinctrl_sis>;
> +            interrupt-parent = <&gpio3>;
> +            interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
> +            attn-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
> +            reset-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
> +        };
> +    };
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt b/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
> deleted file mode 100644
> index 8f5322e01..000000000
> --- a/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -* SiS I2C Multiple Touch Controller
> -
> -Required properties:
> -- compatible: must be "sis,9200-ts"
> -- reg: i2c slave address
> -- interrupts: touch controller interrupt (see interrupt
> -  binding [0])
> -
> -Optional properties:
> -- pinctrl-names: should be "default" (see pinctrl binding [1]).
> -- pinctrl-0: a phandle pointing to the pin settings for the
> -  device (see pinctrl binding [1]).
> -- attn-gpios: the gpio pin used as attention line
> -- reset-gpios: the gpio pin used to reset the controller
> -- wakeup-source: touchscreen can be used as a wakeup source
> -
> -[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> -[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> -
> -Example:
> -
> -	sis9255@5c  {
> -		compatible = "sis,9200-ts";
> -		reg = <0x5c>;
> -		pinctrl-names = "default";
> -		pinctrl-0 = <&pinctrl_sis>;
> -		interrupt-parent = <&gpio3>;
> -		interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
> -		irq-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
> -		reset-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
> -	};
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 8014b9f82..88d0cb1d8 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -24866,7 +24866,7 @@ SIS I2C TOUCHSCREEN DRIVER
>  M:	Mika Penttilä <mpenttil@redhat.com>
>  L:	linux-input@vger.kernel.org
>  S:	Maintained
> -F:	Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
> +F:	Documentation/devicetree/bindings/input/touchscreen/sis,9200-ts.yaml
>  F:	drivers/input/touchscreen/sis_i2c.c
>  
>  SIS USB2VGA DRIVER