arm64: dts: meson-axg: add secure monitor

Add the secure monitor device to the axg platform.
With this, we can read the SoC serial number.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index eb46db0..e3a0bed 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -110,6 +110,10 @@
                };
        };
 
+       sm: secure-monitor {
+               compatible = "amlogic,meson-gxbb-sm";
+       };
+
        psci {
                compatible = "arm,psci-1.0";
                method = "smc";