linux-kernel - Re: [PATCH 1/3] doc: add Device Tree binding for AMS TCS3400 light sensor

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Message-ID: <c50104fb-5f09-4d59-883f-9e22e6146893@ixit.cz>
Date: Mon, 19 Jan 2026 18:37:36 +0100
From: David Heidelberg <david@...t.cz>
To: petr.hodina@...tonmail.com, Jonathan Cameron <jic23@...nel.org>,
 David Lechner <dlechner@...libre.com>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 1/3] doc: add Device Tree binding for AMS TCS3400 light
 sensor

On 19/01/2026 18:19, Petr Hodina via B4 Relay wrote:
> From: Petr Hodina <petr.hodina@...tonmail.com>
> 
> Adds a new YAML binding describing the AMS TCS3400 I2C light sensor,
> including compatible string, registers, interrupts, power supply, and an
> example node.
> 
> Signed-off-by: Petr Hodina <petr.hodina@...tonmail.com>
> ---
>   .../devicetree/bindings/iio/light/ams,tcs3400.yaml | 54 ++++++++++++++++++++++
>   MAINTAINERS                                        |  6 +++
>   2 files changed, 60 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/light/ams,tcs3400.yaml b/Documentation/devicetree/bindings/iio/light/ams,tcs3400.yaml
> new file mode 100644
> index 000000000000..2c5a9295af1a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/light/ams,tcs3400.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/iio/light/ams,tcs3400.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: AMS TCS3400 Color Light-to-Digital Converter
> +
> +maintainers:
> +  - name: Petr Hodina
> +    email: petr.hodina@...tonmail.com

  - name <email>

> +
> +description: |

no need to use | or > here, please drop

> +  The AMS TCS3400 is an I2C-connected color light sensor providing
> +  RGBC or RGB-IR measurements with a programmable integration time
> +  and gain.
> +
> +properties:
> +  compatible:
> +    const: ams,tcs3400
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +    description:
> +      Interrupt line signaling ALS data ready or threshold events.
> +
> +  vdd-supply:
> +    description:
> +      Regulator supplying the main sensor power.
> +
> +required:
> +  - compatible
> +  - reg
> +  - vdd-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        light-sensor@39 {
> +            compatible = "ams,tcs3400";
> +            reg = <0x39>;
> +            interrupt-parent = <&gpio1>;
> +            interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
> +            vdd-supply = <&vdd_3v3>;
> +        };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 14a06f856b81..ab5307a34180 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -22866,6 +22866,12 @@ S:	Supported
>   F:	drivers/iio/adc/rohm-bd79112.c
>   F:	drivers/iio/adc/rohm-bd79124.c
>   
> +AMS TCS3400 AMBIENT LIGHT SENSOR DRIVER
> +M:	Petr Hodina
> +L:	Petr Hodina <petr.hodina@...tonmail.com>
> +S:	Petr Hodina <petr.hodina@...tonmail.com>

M: Petr Hodina <petr.hodina@...tonmail.com>
S: Maintained

drop the L: (e.g. read the header of Maintainers file ;) )

> +F:	Documentation/devicetree/bindings/iio/light/ams,tcs3400.yaml
> +
>   ROHM BH1745 COLOUR SENSOR
>   M:	Mudit Sharma <muditsharma.info@...il.com>
>   L:	linux-iio@...r.kernel.org
> 

-- 
David Heidelberg