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Diffstat (limited to 'doc/device-tree-bindings/mailbox/k3-secure-proxy.txt')
| -rw-r--r-- | doc/device-tree-bindings/mailbox/k3-secure-proxy.txt | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/mailbox/k3-secure-proxy.txt b/doc/device-tree-bindings/mailbox/k3-secure-proxy.txt new file mode 100644 index 0000000000..f3add0d4e7 --- /dev/null +++ b/doc/device-tree-bindings/mailbox/k3-secure-proxy.txt @@ -0,0 +1,40 @@ +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>; + [...] +}; |