Hi Neil,
On Wed, Jun 21, 2023 at 04:29:53PM +0300, Alexey Romanov wrote:
> ao-secure node can be used to get information about the board,
> so, for example, using show_board_info() we can get following
> information for board with Meson A1 SoC:
>
> SoC: Amlogic Meson A1 (A113L) Revision 2c:a (1:a)
>
> Signed-off-by: Alexey Romanov <avroma...@sberdevices.ru>
> ---
> arch/arm/dts/meson-a1.dtsi | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/dts/meson-a1.dtsi b/arch/arm/dts/meson-a1.dtsi
> index 1f57c137384..149cc0e23a3 100644
> --- a/arch/arm/dts/meson-a1.dtsi
> +++ b/arch/arm/dts/meson-a1.dtsi
> @@ -145,6 +145,12 @@
> compatible = "amlogic,meson-rng";
> reg = <0x0 0x5118 0x0 0x4>;
> };
> +
> + sec_AO: ao-secure@5a20 {
> + compatible = "amlogic,meson-gx-ao-secure",
> "syscon";
> + reg = <0x0 0x5a20 0x0 0x140>;
> + amlogic,has-chip-id;
> + };
> };
>
> gic: interrupt-controller@ff901000 {
> --
> 2.38.1
>
Applied into v6.7/arm64-dt here:
https://lore.kernel.org/all/20230823213630.12936-14-ddroko...@sberdevices.ru/
--
Thank you,
Alexey
