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-rw-r--r--dts/src/xtensa/kc705.dts16
1 files changed, 16 insertions, 0 deletions
diff --git a/dts/src/xtensa/kc705.dts b/dts/src/xtensa/kc705.dts
index b1f4ee8c9a..6106bdc097 100644
--- a/dts/src/xtensa/kc705.dts
+++ b/dts/src/xtensa/kc705.dts
@@ -11,4 +11,20 @@
device_type = "memory";
reg = <0x00000000 0x38000000>;
};
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ /* global autoconfigured region for contiguous allocations */
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x04000000>;
+ alignment = <0x2000>;
+ alloc-ranges = <0x00000000 0x20000000>;
+ linux,cma-default;
+ };
+ };
};