From: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx> Add node for board info registers, which allows getting SoC family and board revision. For example, with MESON_GX_SOCINFO config enabled we can get the following information for board with Amlogic A4 SoC: soc soc0: Amlogic A4 (A113L2) Revision 40:b (1:1) Detected. Signed-off-by: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx> --- arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi index 496c3a2bcf25..54d7a2d56ef6 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi @@ -67,6 +67,14 @@ uart_b: serial@7a000 { clock-names = "xtal", "pclk", "baud"; status = "disabled"; }; + + sec_ao: ao-secure@10220 { + compatible = "amlogic,a4-ao-secure", + "amlogic,meson-gx-ao-secure", + "syscon"; + reg = <0x0 0x10220 0x0 0x140>; + amlogic,has-chip-id; + }; }; }; }; -- 2.37.1