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Date:   Tue, 10 Oct 2023 12:09:41 -0500
From:   Rob Herring <robh@kernel.org>
To:     Kieran Bingham <kieran.bingham@ideasonboard.com>
Cc:     linux-media@vger.kernel.org, devicetree@vger.kernel.org,
        "Paul J. Murphy" <paul.j.murphy@intel.com>,
        Daniele Alessandrelli <daniele.alessandrelli@intel.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/5] media: dt-bindings: media: imx335: Add supply
 bindings
Message-ID: <20231010170941.GA1061525-robh@kernel.org>
References: <20231010005126.3425444-1-kieran.bingham@ideasonboard.com>
 <20231010005126.3425444-2-kieran.bingham@ideasonboard.com>
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On Tue, Oct 10, 2023 at 01:51:22AM +0100, Kieran Bingham wrote:
> Add the bindings for the supply references used on the IMX335.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
> ---
>  .../bindings/media/i2c/sony,imx335.yaml          | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
> index a167dcdb3a32..1863b5608a5c 100644
> --- a/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
> +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml
> @@ -32,6 +32,15 @@ properties:
>      description: Clock frequency from 6 to 27 MHz, 37.125MHz, 74.25MHz
>      maxItems: 1
>  
> +  avdd-supply:
> +    description: Analog power supply (2.9V)
> +
> +  ovdd-supply:
> +    description: Interface power supply (1.8V)
> +
> +  dvdd-supply:
> +    description: Digital power supply (1.2V)
> +
>    reset-gpios:
>      description: Reference to the GPIO connected to the XCLR pin, if any.
>      maxItems: 1
> @@ -60,6 +69,9 @@ required:
>    - compatible
>    - reg
>    - clocks
> +  - avdd-supply
> +  - ovdd-supply
> +  - dvdd-supply

New required properties are an ABI break. That's fine only if you can 
explain no one is using this binding.

>    - port
>  
>  additionalProperties: false
> @@ -79,6 +91,10 @@ examples:
>              assigned-clock-parents = <&imx335_clk_parent>;
>              assigned-clock-rates = <24000000>;
>  
> +            avdd-supply = <&camera_vdda_2v9>;
> +            ovdd-supply = <&camera_vddo_1v8>;
> +            dvdd-supply = <&camera_vddd_1v2>;
> +
>              port {
>                  imx335: endpoint {
>                      remote-endpoint = <&cam>;
> -- 
> 2.34.1
>