arm64: dts: ti: k3-am64-phycore-som: Reserve RTOS IPC memory

Reserve a portion of memory for inter-processor communication between
all remote processors running RTOS or baremetal firmware.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20250131093531.1054924-1-w.egorov@phytec.de
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
index 99a6fdfaa7fb823ac144a3e5e67bcf01c887c05f..e8d1b88651e78e57a8399201b876480ca4362443 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
@@ -99,6 +99,12 @@
                        reg = <0x00 0xa4100000 0x00 0xf00000>;
                        no-map;
                };
+
+               rtos_ipc_memory_region: ipc-memories@a5000000 {
+                       reg = <0x00 0xa5000000 0x00 0x00800000>;
+                       alignment = <0x1000>;
+                       no-map;
+               };
        };
 
        leds {