Re: [PATCHv2 3/4] dt-bindings: wiegand: add GPIO bitbanged Wiegand documentation

From: Krzysztof Kozlowski
Date: Fri Feb 03 2023 - 02:22:49 EST


On 02/02/2023 15:33, Martin Zaťovič wrote:
> GPIO bitbanged Wiegand controller requires definitions of GPIO
> lines to be used on top of the common Wiegand properties. Wiegand
> utilizes two such lines - D0(low data line) and D1(high data line).

Subject: drop second/last, redundant "bindings". The "documentation"
prefix is already stating that these are bindings.

You already got almost same comment with your v1.

>
> Signed-off-by: Martin Zaťovič <m.zatovic1@xxxxxxxxx>
> ---
> .../bindings/wiegand/wiegand-gpio.yaml | 51 +++++++++++++++++++
> MAINTAINERS | 5 ++
> 2 files changed, 56 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml
>
> diff --git a/Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml b/Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml
> new file mode 100644
> index 000000000000..3af0b7e04b3a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/wiegand/wiegand-gpio.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/wiegand/wiegand-gpio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: GPIO bitbanged Wiegand interface devicetree bindings

Drop "devicetree bindings"

You already got almost same comment with your v1.

> +
> +maintainers:
> + - Martin Zaťovič <m.zatovic1@xxxxxxxxx>
> +
> +description:
> + This represents the GPIO lines used for bit-banged Wiegand on dedicated GPIO
> + lines.
> +
> +allOf:
> + - $ref: "/schemas/wiegand/wiegand-controller.yaml#"

Drop quotes

> +
> +properties:
> + compatible:
> + const: wiegand-gpio
> +
> + data-hi-gpios:
> + description: GPIO used as Wiegands data-hi line.
> + maxItems: 1
> +
> + data-lo-gpios:
> + description: GPIO used as Wiegands data-lo line.
> + maxItems: 1
> +
> +required:
> + - compatible
> + - data-hi-gpios
> + - data-lo-gpios
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> +
> + wiegand@f00 {

Does not look like you tested the bindings. Please run `make
dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

Best regards,
Krzysztof