Re: [PATCH v5 10/12] arm64: dts: qcom: sdm845-lg-judyln: Add lab/ibb

[Konrad Dybcio]

On 12/3/25 10:40 AM, Paul Sajna wrote:
> These regulators are required for the LCD
> 
> Signed-off-by: Paul Sajna <sajattack@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> index 8b88f75b36af..cdaf84de5e6c 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> @@ -56,10 +56,27 @@ zap-shader {
>  	};
>  };
>  
> +&ibb {
> +	regulator-min-microvolt = <5500000>;
> +	regulator-max-microvolt = <5700000>;

These ranges seem much more reasonable, although I would still
expect there's a single operational voltage - unless the panel driver
is supposed to call regulator_set_voltage() in some different power
modes?

Konrad