arm64: dts: ti: k3-j721s2-mcu-wakeup: Add sa3_secproxy and mcu_sec_proxy

Security Management Subsystem(SMS) has it's own unique secure
proxy as part of Security Accelerator (SA3) module. This is used
for communicating with ROM and for special usecases such as HSM
operations. In addition MCU island has it's own secure proxy for
usecases involving the MCU micro controllers. These are in addition
to the one in the main domain DMSS subsystem that is used for general
purpose communication.

Describe the nodes for use with bootloaders and firmware that require
these communication paths which uses interrupts to corresponding micro
controller interrupt controller. Mark the node as disabled since these
instances do not have interrupts routed to the main processor by
default for a complete description of the node.

Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20230530165900.47502-7-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index 9c6bb6db59f83b8b356c3517321262ae260aa8c5..4013f036d371f921ac00c5b9f34965a1d0c42502 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -39,6 +39,21 @@
                reg = <0x00 0x43000014 0x00 0x4>;
        };
 
+       secure_proxy_sa3: mailbox@43600000 {
+               compatible = "ti,am654-secure-proxy";
+               #mbox-cells = <1>;
+               reg-names = "target_data", "rt", "scfg";
+               reg = <0x00 0x43600000 0x00 0x10000>,
+                     <0x00 0x44880000 0x00 0x20000>,
+                     <0x00 0x44860000 0x00 0x20000>;
+               /*
+                * Marked Disabled:
+                * Node is incomplete as it is meant for bootloaders and
+                * firmware on non-MPU processors
+                */
+               status = "disabled";
+       };
+
        mcu_ram: sram@41c00000 {
                compatible = "mmio-sram";
                reg = <0x00 0x41c00000 0x00 0x100000>;
@@ -280,6 +295,21 @@
                };
        };
 
+       secure_proxy_mcu: mailbox@2a480000 {
+               compatible = "ti,am654-secure-proxy";
+               #mbox-cells = <1>;
+               reg-names = "target_data", "rt", "scfg";
+               reg = <0x00 0x2a480000 0x00 0x80000>,
+                     <0x00 0x2a380000 0x00 0x80000>,
+                     <0x00 0x2a400000 0x00 0x80000>;
+               /*
+                * Marked Disabled:
+                * Node is incomplete as it is meant for bootloaders and
+                * firmware on non-MPU processors
+                */
+               status = "disabled";
+       };
+
        mcu_cpsw: ethernet@46000000 {
                compatible = "ti,j721e-cpsw-nuss";
                #address-cells = <2>;