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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2025 08:31:06.0124 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ab36e710-a97c-4f0c-7584-08de21c5d2b9 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023CB.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR10MB6547 The mailboxes for the ti,sci node were not documented, this patch adds the description for the two channel entries as per TI-SCI spec[1]. [1]: https://software-dl.ti.com/tisci/esd/latest/5_soc_doc/am65x/sec_proxy.html Signed-off-by: Anshul Dalal --- Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/D= ocumentation/devicetree/bindings/arm/keystone/ti,sci.yaml index 25a2b42105e541cb3c8ad12a0dfec1af038fa907..182915c34fc1429fb627ac44c99= c0c76fdf28e0f 100644 --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml @@ -60,6 +60,12 @@ properties: =20 mboxes: minItems: 2 + description: | + List of phandles to mailbox channels used for receiving and transmit= ting + data from and to the TI-SCI Controller. + items: + - description: RX thread + - description: TX thread =20 ti,host-id: $ref: /schemas/types.yaml#/definitions/uint32 --=20 2.51.0 From nobody Sat Feb 7 06:55:07 2026 Received: from MW6PR02CU001.outbound.protection.outlook.com (mail-westus2azon11012052.outbound.protection.outlook.com [52.101.48.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 493D32F5467; 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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2025 08:31:07.8778 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: baa5d18a-100e-487a-7dd2-08de21c5d3da 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: SJ1PEPF0000231A.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ5PPFDE7085185 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 --- .../devicetree/bindings/arm/keystone/ti,sci.yaml | 20 ++++++++++++++++= ++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/D= ocumentation/devicetree/bindings/arm/keystone/ti,sci.yaml index 182915c34fc1429fb627ac44c99c0c76fdf28e0f..770d6bc7c8f83493e448c426cb8= f785dd73e824d 100644 --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml @@ -51,12 +51,17 @@ properties: minItems: 1 =20 mbox-names: + minItems: 2 description: | Specifies the mailboxes used to communicate with TI-SCI Controller made available from TI-SCI controller. items: - const: rx - const: tx + - const: notify + - const: boot_rx + - const: boot_tx + - const: boot_notify =20 mboxes: minItems: 2 @@ -66,6 +71,10 @@ properties: items: - description: RX thread - description: TX thread + - description: Notify thread + - description: boot stage RX thread + - description: boot stage TX thread + - description: boot stage Notify thread =20 ti,host-id: $ref: /schemas/types.yaml#/definitions/uint32 @@ -128,3 +137,14 @@ examples: #reset-cells =3D <2>; }; }; + + - | + sms: system-controller@44083000 { + compatible =3D "ti,am654-sci"; + mbox-names =3D "rx", "tx", "notify", "boot_rx", "boot_tx", "boot_not= ify"; + mboxes =3D <&secure_proxy_mcu 8>, <&secure_proxy_mcu 6>, + <&secure_proxy_mcu 5>, <&secure_proxy_mcu 4>, + <&secure_proxy_mcu 5>, <&secure_proxy_sa3 5>; + reg-names =3D "debug_messages"; + reg =3D <0x44083000 0x1000>; + }; --=20 2.51.0