Re: [PATCH 1/3] ARM: dts: imx6ulz-bsh-smm-m2: Enable hardware rng

Peng Fan
2025-05-16T02:58:33Z

On Wed, May 14, 2025 at 09:05:33AM +0200, Dario Binacchi wrote:
>From: Leonhard Hesse <leonhard.hesse@bshg.com>
>
>Hardware random number generator is now used for cryptography.
>
>Signed-off-by: Leonhard Hesse <leonhard.hesse@bshg.com>
>Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
>---
>
> arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
>index 6159ed70d966..5c32d1e3675c 100644
>--- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
>+++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
>@@ -29,6 +29,10 @@ &gpmi {
> status = "okay";
> };
>
>+&rngb {
>+ status = "okay";
>+};

In arch/arm/boot/dts/nxp/imx/imx6ull.dtsi, this node is default okay,
is there a need to set status okay here?

Regards,
Peng

>+
> &snvs_poweroff {
> status = "okay";
> };
>--
>2.43.0
>
>base-commit: e9565e23cd89d4d5cd4388f8742130be1d6f182d
>branch: bsh-202505-imx6ulz_smm_m2