Re: [PATCH v3 1/2] arm64: dts: qcom: sdm845-google: Add dual front IMX355 cameras

[David Heidelberg <david@ixit.cz>]

On 12/04/2026 18:35, David Heidelberg via B4 Relay wrote:
> From: David Heidelberg <david@ixit.cz>
> 
> The Pixel 3 features two front-facing Sony IMX355 sensors with
> different focal lengths (standard and wide-angle).
> 
> Both sensors are connected via CSIPHY1 and controlled over CCI I2C1,
> using MCLK2 as the clock source. Describe the camera nodes and
> associated resources in the device tree.
> 
> This enables support for the dual front camera configuration.
> 
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
>   arch/arm64/boot/dts/qcom/sdm845-google-common.dtsi | 193 ++++++++++++++++++++-
>   1 file changed, 192 insertions(+), 1 deletion(-)
> 

...

> -	/* front camera, imx355 @1a */
> +	front_cam: camera@10 {
> +		compatible = "sony,imx355";
> +		reg = <0x10>;
> +
> +		clocks = <&clock_camcc CAM_CC_MCLK2_CLK>;
> +		assigned-clocks = <&clock_camcc CAM_CC_MCLK2_CLK>;
> +		/*
> +		 * The sensor can accept a 24 MHz clock, but 19.2 MHz has
> +		 * better driver compatibility.
> +		 */
> +		assigned-clock-rates = <19200000>;

Currently I working on a patch which add 24 MHz to imx355, so this may not be 
necessary.

Please wait with merging, after the patch gets tested also on Pixel 3a, I'll 
send it :)

David