Squashed 'dts/upstream/' content from commit aaba2d45dc2a
git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/src/arm/st/ste-db8520.dtsi b/src/arm/st/ste-db8520.dtsi
new file mode 100644
index 0000000..e4e8d5f
--- /dev/null
+++ b/src/arm/st/ste-db8520.dtsi
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "ste-dbx5x0.dtsi"
+
+/ {
+ cpus {
+ cpu@300 {
+ operating-points = <1152000 0
+ 798720 0
+ 399360 0
+ 199680 0>;
+ };
+ };
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ /* Modem trace memory */
+ ram@6000000 {
+ reg = <0x06000000 0x00f00000>;
+ no-map;
+ };
+
+ /* Modem shared memory */
+ ram@6f00000 {
+ reg = <0x06f00000 0x00100000>;
+ no-map;
+ };
+
+ /* Modem private memory */
+ ram@7000000 {
+ reg = <0x07000000 0x01000000>;
+ no-map;
+ };
+
+ /*
+ * Initial Secure Software ISSW memory
+ *
+ * This is probably only used if the kernel tries
+ * to actually call into trustzone to run secure
+ * applications, which the mainline kernel probably
+ * will not do on this old chipset. But you can never
+ * be too careful, so reserve this memory anyway.
+ */
+ ram@17f00000 {
+ reg = <0x17f00000 0x00100000>;
+ no-map;
+ };
+ };
+};