linux-kernel - Re: [PATCH v4 2/3] dt-bindings: Document ltrf216a light sensor bindings

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Date:   Mon, 16 May 2022 12:04:06 -0500
From:   Rob Herring <robh@...nel.org>
To:     Shreeya Patel <shreeya.patel@...labora.com>
Cc:     jic23@...nel.org, lars@...afoo.de, Zhigang.Shi@...eon.com,
        krisman@...labora.com, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com, alvaro.soliverez@...labora.com
Subject: Re: [PATCH v4 2/3] dt-bindings: Document ltrf216a light sensor
 bindings

On Wed, May 11, 2022 at 03:10:23PM +0530, Shreeya Patel wrote:
> Add devicetree bindings for ltrf216a ambient light sensor.
> 
> Signed-off-by: Shreeya Patel <shreeya.patel@...labora.com>
> ---
> 
> Changes in v3
>   - Fix indentation in the example section
> 
> Changes in v2
>   - Take over the maintainership for the bindings
>   - Add interrupt and power supply property in DT bindings
> 
> 
>  .../bindings/iio/light/liteon,ltrf216a.yaml   | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml b/Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml
> new file mode 100644
> index 000000000000..1389639cd7fd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/light/liteon,ltrf216a.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/light/liteon,ltrf216a.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: LTRF216A Ambient Light Sensor
> +
> +maintainers:
> +  - Shreeya Patel <shreeya.patel@...labora.com>
> +
> +description:
> +  Ambient light sensing with an i2c interface.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: liteon,ltrf216a
> +      - const: ltr,ltrf216a
> +        deprecated: true

As this is for ACPI, NAK. There's not really any point in having this in 
schema as you can't use the schema with ACPI.

> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: Regulator that provides power to the sensor.
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        light-sensor@53 {
> +            compatible = "liteon,ltrf216a";
> +            reg = <0x53>;
> +            vdd-supply = <&vdd_regulator>;
> +            interrupt-parent = <&gpio0>;
> +            interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
> +        };
> +    };
> -- 
> 2.30.2
> 
>