u-boot/doc/device-tree-bindings/mailbox/k3-secure-proxy.txt
Lokesh Vutla f9aa41023b mailbox: Introduce K3 Secure Proxy Driver
Secure Proxy module manages hardware threads that are meant
for communication between the processor entities. Adding
support for this driver.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
2018-09-11 08:32:55 -04:00

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Texas Instruments' K3 Secure Proxy
===================================
The Texas Instruments' K3 Secure Proxy is a mailbox controller that has
configurable threads maintained by System power processor. Each thread
has different address space that can be used to send or receive messages.
Secure Proxy Device Node:
===========================
Required properties:
--------------------
- compatible: Shall be: "ti,am654-secure-proxy"
- reg-names data - Map the data region
scfg - Map the secure configuration region
rt - Map the Realtime region.
- reg: Contains the register map per reg-names.
- #mbox-cells Shall be 1. Contains the thread ID.
Example:
--------
secproxy: secproxy@285b0000 {
compatible = "ti,am654-secure-proxy";
reg = <0x2a380000 0x80000>,
<0x2a400000 0x80000>,
<0x2a480000 0x80000>;
reg-names = "rt", "scfg", "data";
#mbox-cells = <1>;
};
client:
systemcontroller: systemcontroller {
[...]
# RX thread ID is 4.
# TX thread ID is 5.
mboxes= <&secproxy 4>,
<&secproxy 5>;
[...]
};