Re: [PATCH v5 1/2] dt-bindings: input: Document Imagis ISA1200 haptic motor driver

[Rob Herring <robh@kernel.org>]

On Tue, May 12, 2026 at 01:24:44PM +0300, Svyatoslav Ryhel wrote:
> Document the Imagis ISA1200 haptic motor driver, used primarily in mobile
> handheld devices and capable of supporting up to two motors.
> 
> The exact datasheet for the ISA1200 is not available; all data was modeled
> based on available downstream kernel sources for various devices and
> fragments of information scattered across the internet.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
> ---
>  .../bindings/input/imagis,isa1200.yaml        | 140 ++++++++++++++++++
>  1 file changed, 140 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/imagis,isa1200.yaml
> 
> diff --git a/Documentation/devicetree/bindings/input/imagis,isa1200.yaml b/Documentation/devicetree/bindings/input/imagis,isa1200.yaml
> new file mode 100644
> index 000000000000..bbe6f99d39c1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/imagis,isa1200.yaml
> @@ -0,0 +1,140 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/imagis,isa1200.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Imagis ISA1200 haptic motor driver
> +
> +maintainers:
> +  - Svyatoslav Ryhel <clamor95@gmail.com>
> +  - Linus Walleij <linusw@kernel.org>
> +
> +description:
> +  The ISA1200 is a high-performance enhanced haptic motor driver designed
> +  for mobile hand-held devices. It supports various voltages for both ERM
> +  (Eccentric Rotating Mass) and LRA (Linear Resonant Actuator) type
> +  actuators. Thanks to an embedded LDO, battery power can be used directly
> +  in handheld applications.
> +
> +properties:
> +  compatible:
> +    const: imagis,isa1200
> +
> +  reg:
> +    maxItems: 1
> +
> +  control-gpios:
> +    description:
> +      One or two GPIOs flagged as active high linked to HEN and LEN pins

       minItems: 1

With that,

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>

> +    maxItems: 2