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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Nov 2025 10:37:52.0362 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c55d4f23-c200-4c10-d7d9-08de210e5dda X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000066E8.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR10MB4164 The bootloader on K3 devices makes use of mailboxes as per the ROM spec which might be different than one's available to the kernel (firmware spec). Therefore, this patch adds the missing mailbox entries to the DT binding to represent the mailboxes exposed by the hardware during boot for the purpose of loading the firmware. Signed-off-by: Anshul Dalal --- Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/D= ocumentation/devicetree/bindings/arm/keystone/ti,sci.yaml index 25a2b42105e541cb3c8ad12a0dfec1af038fa907..b5f48647a0f09bb930f052ea0f8= 4a78525c925eb 100644 --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml @@ -51,15 +51,23 @@ properties: minItems: 1 =20 mbox-names: + minItems: 2 + maxItems: 6 description: | Specifies the mailboxes used to communicate with TI-SCI Controller - made available from TI-SCI controller. + made available from TI-SCI controller. All boot_* mailboxes are used= by + the first stage bootloader to load firmware for the device. items: - const: rx - const: tx + - const: notify + - const: boot_rx + - const: boot_tx + - const: boot_notify =20 mboxes: minItems: 2 + maxItems: 6 =20 ti,host-id: $ref: /schemas/types.yaml#/definitions/uint32 --- base-commit: 1c353dc8d962de652bc7ad2ba2e63f553331391c change-id: 20251105-k3_syscon_add_boot_mailboxes-8452bdd98962 Best regards, --=20 Anshul Dalal