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Diffstat (limited to 'doc/device-tree-bindings')
| -rw-r--r-- | doc/device-tree-bindings/firmware/ti,j721e-dm-sci.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/firmware/ti,j721e-dm-sci.txt b/doc/device-tree-bindings/firmware/ti,j721e-dm-sci.txt new file mode 100644 index 0000000000..0217341f0c --- /dev/null +++ b/doc/device-tree-bindings/firmware/ti,j721e-dm-sci.txt @@ -0,0 +1,32 @@ +Bindings for Texas Instruments System Control Interface (TI-SCI) Message +Protocol for Device Manager(DM) to TI Foundational Security(TIFS) +Firmware communication + +Required properties: +-------------------- +- compatible: should be "ti,j721e-dm-sci" +- mbox-names: + "rx" - Mailbox corresponding to receive path + "tx" - Mailbox corresponding to transmit path + +- mboxes: Mailboxes corresponding to the mbox-names. Each value of the mboxes + property should contain a phandle to the mailbox controller device + node and an args specifier that will be the phandle to the intended + sub-mailbox child node to be used for communication. + +- ti,host-id: Host ID to use for communication. + +Optional Properties: +-------------------- +- ti,secure-host: If the host is defined as secure. + +Example: +-------- + dm_tifs: dm-tifs { + compatible = "ti,j721e-dm-sci"; + ti,host-id = <3>; + ti,secure-host; + mbox-names = "rx", "tx"; + mboxes= <&mcu_secproxy 21>, + <&mcu_secproxy 23>; + }; |