[PATCH v2 08/12] arm64: dts: rockchip: rk3588s-nanopi: remove always-on from vdd_npu_s0 reg

[Jonas Karlman]

Hi Joachim,

On 7/11/2026 12:11 AM, Joachim Eastwood via B4 Relay wrote:
> From: Joachim Eastwood <joachim.eastwood at gmail.com>
> 
> Since the NPU is hooked up on these the always-on isn't needed anymore.
> 
> Signed-off-by: Joachim Eastwood <joachim.eastwood at gmail.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3588s-nanopi.dtsi | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-nanopi.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-nanopi.dtsi
> index bcb2f5d63a61..463cfeddf270 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588s-nanopi.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3588s-nanopi.dtsi
> @@ -258,7 +258,6 @@ vdd_npu_s0: regulator at 42 {
>  		regulator-max-microvolt = <950000>;
>  		regulator-ramp-delay = <2300>;
>  		regulator-boot-on;

Why is boot-on kept?, NPU is likely not needed until OS has started.

With PD domain-supply the regulator should be enabled automatically, or
is there some other issue that requires boot firmware to enable this
regulator before OS is started?

Regards,
Jonas

> -		regulator-always-on;
>  		vin-supply = <&vcc5v0_sys>;
>  
>  		regulator-state-mem {
>