Re: [PATCH v2 1/2] arm64: dts: qcom: monaco-evk: Add Raspberry Pi 7-inch DSI panel overlay

[Dmitry Baryshkov]

On Mon, Sep 07, 2026 at 12:03:53PM +0530, Shashank Maurya wrote:
> Add a DT overlay for the Raspberry Pi 7" DSI touchscreen panel on
> Monaco EVK, using mdss_dsi0 with 2 data lanes and the panel MCU on
> I2C8.
> 
> Signed-off-by: Shashank Maurya <shashank.maurya@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/Makefile                  |  2 +
>  .../dts/qcom/monaco-evk-raspberrypi-dsi-7inch.dtso | 82 ++++++++++++++++++++++
>  2 files changed, 84 insertions(+)
> 
> +
> +	reg_backlight: reg_backlight@45 {

Can there be an underscrore in the DT node name? No. Is reg_backlight a
generic name? No.

Use regulator@45

> +		compatible = "raspberrypi,touchscreen-panel-regulator-v2";
> +		reg = <0x45>;
> +
> +		vcc-supply = <&reg_dsi_touch>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		#pwm-cells = <3>;
> +	};
> +};
> +

-- 
With best wishes
Dmitry