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 avromanov@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-ddrokosov@sberdevices.ru...