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Date: Tue, 7 Apr 2026 11:46:18 -0500
From: Rob Herring <robh@kernel.org>
To: Shi Hao <i.shihao.999@gmail.com>
Cc: krzk+dt@kernel.org, andi.shyti@kernel.org, conor+dt@kernel.org,
	linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, daniel.baluta@nxp.com,
	simona.toaca@nxp.com, d-gole@ti.com, m-chawdhry@ti.com
Subject: Re: [PATCH] dt-bindings: i2c: cnxt,cx92755-i2c: Convert to DT schema
Message-ID: <20260407164618.GA2903702-robh@kernel.org>
References: <20260323174236.147507-1-i.shihao.999@gmail.com>
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In-Reply-To: <20260323174236.147507-1-i.shihao.999@gmail.com>

On Mon, Mar 23, 2026 at 11:12:36PM +0530, Shi Hao wrote:
> Convert the Conexant Digicolor I2C bindings to DT schema.
> 
> Signed-off-by: Shi Hao <i.shihao.999@gmail.com>
> ---
> 
> Note:
> This patch is part of the GSoC2026 application process for device tree
> bindings conversions https://github.com/LinuxFoundationGSoC/ProjectIde
> as/wiki/GSoC-2026-Device-Tree-Bindings
> ---
>  .../bindings/i2c/cnxt,cx92755-i2c.yaml        | 51 +++++++++++++++++++
>  .../devicetree/bindings/i2c/i2c-digicolor.txt | 25 ---------
>  2 files changed, 51 insertions(+), 25 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/i2c/cnxt,cx92755-i2c.yaml
>  delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-digicolor.txt
> 
> diff --git a/Documentation/devicetree/bindings/i2c/cnxt,cx92755-i2c.yaml b/Documentation/devicetree/bindings/i2c/cnxt,cx92755-i2c.yaml
> new file mode 100644
> index 000000000000..669397bbc571
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/cnxt,cx92755-i2c.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/i2c/cnxt,cx92755-i2c.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Conexant Digicolor I2C controller
> +
> +allOf:
> +  - $ref: /schemas/i2c/i2c-controller.yaml#
> +
> +maintainers:
> +  - Baruch Siach <baruch@tkos.co.il>
> +
> +properties:
> +  compatible:
> +    const: cnxt,cx92755-i2c
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-frequency:
> +    default: 100000
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks

> +  - '#address-cells'
> +  - '#size-cells'

These 2 are required by i2c-controller.yaml already, so you can drop 
them. Otherwise, I don't know what issue Krzysztof sees either.

With that,

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