Re: [PATCH 1/1] arm64: dts: rockchip: enable NPU on Radxa E52C

[Jimmy Hon]

On Mon, Aug 10, 2026 at 6:20 AM Chukun Pan <amadeus@xxxxxxxxxx> wrote:
>
> Like the RK3588, the RK3582 has NPUs. Enable the NPU cores and their
> MMUs, and connect the regulators.
>
> Signed-off-by: Chukun Pan <amadeus@xxxxxxxxxx>
> ---
>  .../boot/dts/rockchip/rk3582-radxa-e52c.dts   | 34 +++++++++++++++++++
>  1 file changed, 34 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts b/arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts
> index 854c118418eb..dd29a3ea7031 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts
> @@ -300,6 +300,10 @@ &pcie2x1l2 {
>         status = "okay";
>  };
>
> +&pd_npu {
> +       domain-supply = <&vdd_npu_s0>;
> +};
Now that the power domain has control of the regulator. The regulator
should have regulator-always-on removed, so it can be powered down.

Jimmy