| Vignesh Raghavendra | 5d5a699 | 2021-06-07 19:47:49 +0530 | [diff] [blame] | 1 | Bindings for Texas Instruments System Control Interface (TI-SCI) Message |
| 2 | Protocol for Device Manager(DM) to TI Foundational Security(TIFS) |
| 3 | Firmware communication |
| 4 | |
| 5 | Required properties: |
| 6 | -------------------- |
| 7 | - compatible: should be "ti,j721e-dm-sci" |
| 8 | - mbox-names: |
| 9 | "rx" - Mailbox corresponding to receive path |
| 10 | "tx" - Mailbox corresponding to transmit path |
| 11 | |
| 12 | - mboxes: Mailboxes corresponding to the mbox-names. Each value of the mboxes |
| 13 | property should contain a phandle to the mailbox controller device |
| 14 | node and an args specifier that will be the phandle to the intended |
| 15 | sub-mailbox child node to be used for communication. |
| 16 | |
| 17 | - ti,host-id: Host ID to use for communication. |
| 18 | |
| 19 | Optional Properties: |
| 20 | -------------------- |
| 21 | - ti,secure-host: If the host is defined as secure. |
| 22 | |
| 23 | Example: |
| 24 | -------- |
| 25 | dm_tifs: dm-tifs { |
| 26 | compatible = "ti,j721e-dm-sci"; |
| 27 | ti,host-id = <3>; |
| 28 | ti,secure-host; |
| 29 | mbox-names = "rx", "tx"; |
| 30 | mboxes= <&mcu_secproxy 21>, |
| 31 | <&mcu_secproxy 23>; |
| 32 | }; |