Re: [PATCH v4 3/4] dt-bindings: media: imx274: Move clock and supplies to required properties

From: Sakari Ailus
Date: Mon Aug 31 2020 - 16:18:17 EST


Hi Sowjanya,

On Mon, Aug 31, 2020 at 12:52:37PM -0700, Sowjanya Komatineni wrote:
> Clock and supplies are external to IMX274 sensor and are dependent
> on camera module design.
>
> So, this patch moves them to required properties.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/media/i2c/imx274.txt | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/imx274.txt b/Documentation/devicetree/bindings/media/i2c/imx274.txt
> index d0a5c899..b43bed6 100644
> --- a/Documentation/devicetree/bindings/media/i2c/imx274.txt
> +++ b/Documentation/devicetree/bindings/media/i2c/imx274.txt
> @@ -10,15 +10,15 @@ at 1440 Mbps.
> Required Properties:
> - compatible: value should be "sony,imx274" for imx274 sensor
> - reg: I2C bus address of the device
> -
> -Optional Properties:
> -- reset-gpios: Sensor reset GPIO
> - clocks: Reference to the input clock.
> - clock-names: Should be "inck".
> - vana-supply: Sensor 2.8v analog supply.
> - vdig-supply: Sensor 1.8v digital core supply.
> - vddl-supply: Sensor digital IO 1.2v supply.

If these have been optional in the past I don't think we can start
requiring them now.

The framework will just give the driver a dummy regulator if one isn't
found.

>
> +Optional Properties:
> +- reset-gpios: Sensor reset GPIO
> +
> The imx274 device node should contain one 'port' child node with
> an 'endpoint' subnode. For further reading on port node refer to
> Documentation/devicetree/bindings/media/video-interfaces.txt.

--
Kind regards,

Sakari Ailus