Re: [PATCH] ARM: dts: lan966x: disable aes

From: Claudiu.Beznea
Date: Tue Sep 13 2022 - 03:18:16 EST


On 08.09.2022 10:04, Horatiu Vultur wrote:
> Disable AES node on lan966x pcb8290, pcb891 and pcb8309 because these
> boards have lan966x that uses secure OS which reserves the AES block.
> Therefore it can't be exposed to non-secure world.
>
> Signed-off-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>

Applied to at91-dt, thanks!

> ---
> arch/arm/boot/dts/lan966x-pcb8290.dts | 4 ++++
> arch/arm/boot/dts/lan966x-pcb8291.dts | 4 ++++
> arch/arm/boot/dts/lan966x-pcb8309.dts | 4 ++++
> 3 files changed, 12 insertions(+)
>
> diff --git a/arch/arm/boot/dts/lan966x-pcb8290.dts b/arch/arm/boot/dts/lan966x-pcb8290.dts
> index 8a304210653a..2ed53da914ac 100644
> --- a/arch/arm/boot/dts/lan966x-pcb8290.dts
> +++ b/arch/arm/boot/dts/lan966x-pcb8290.dts
> @@ -27,6 +27,10 @@ phy_external_reset: phy_external_reset {
> };
> };
>
> +&aes {
> + status = "disabled"; /* Reserved by secure OS */
> +};
> +
> &gpio {
> miim_a_pins: mdio-pins {
> /* MDC, MDIO */
> diff --git a/arch/arm/boot/dts/lan966x-pcb8291.dts b/arch/arm/boot/dts/lan966x-pcb8291.dts
> index 289a31649422..f4f054cdf2a8 100644
> --- a/arch/arm/boot/dts/lan966x-pcb8291.dts
> +++ b/arch/arm/boot/dts/lan966x-pcb8291.dts
> @@ -53,6 +53,10 @@ led-s1-green {
> };
> };
>
> +&aes {
> + status = "disabled"; /* Reserved by secure OS */
> +};
> +
> &gpio {
> fc3_b_pins: fc3-b-pins {
> /* RX, TX */
> diff --git a/arch/arm/boot/dts/lan966x-pcb8309.dts b/arch/arm/boot/dts/lan966x-pcb8309.dts
> index cfd7c8933703..c436cd20d4b4 100644
> --- a/arch/arm/boot/dts/lan966x-pcb8309.dts
> +++ b/arch/arm/boot/dts/lan966x-pcb8309.dts
> @@ -97,6 +97,10 @@ sfp3: sfp3 {
> };
> };
>
> +&aes {
> + status = "disabled"; /* Reserved by secure OS */
> +};
> +
> &flx3 {
> atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
> status = "okay";