This adds the Always-On ao-secure system control registers node,
which is used by the meson-gx-socinfo driver to detect the SoC IDs.

Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
---
 arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi 
b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 3b82a975c663..e247194da126 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -101,6 +101,12 @@
                        #size-cells = <2>;
                        ranges = <0x0 0x0 0x0 0xff800000 0x0 0x100000>;
 
+                       sec_AO: ao-secure@140 {
+                               compatible = "amlogic,meson-gx-ao-secure", 
"syscon";
+                               reg = <0x0 0x140 0x0 0x140>;
+                               amlogic,has-chip-id;
+                       };
+
                        uart_AO: serial@3000 {
                                compatible = "amlogic,meson-gx-uart", 
"amlogic,meson-ao-uart";
                                reg = <0x0 0x3000 0x0 0x18>;
-- 
2.20.1

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