linux-kernel - [PATCH v2 1/2] dt-bindings: arm: keystone: add missing items to mboxes

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Message-ID: <20251112-k3_syscon_add_boot_mailboxes-v2-1-aebc1e47b391@ti.com>
Date: Wed, 12 Nov 2025 14:00:53 +0530
From: Anshul Dalal <anshuld@...com>
To: Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>, "Santosh
 Shilimkar" <ssantosh@...nel.org>, Rob Herring <robh@...nel.org>, "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Vignesh Raghavendra <vigneshr@...com>,
	"Anshul Dalal" <anshuld@...com>
Subject: [PATCH v2 1/2] dt-bindings: arm: keystone: add missing items to
 mboxes

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 <anshuld@...com>
---
 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/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
index 25a2b42105e541cb3c8ad12a0dfec1af038fa907..182915c34fc1429fb627ac44c99c0c76fdf28e0f 100644
--- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
+++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
@@ -60,6 +60,12 @@ properties:
 
   mboxes:
     minItems: 2
+    description: |
+      List of phandles to mailbox channels used for receiving and transmitting
+      data from and to the TI-SCI Controller.
+    items:
+      - description: RX thread
+      - description: TX thread
 
   ti,host-id:
     $ref: /schemas/types.yaml#/definitions/uint32

-- 
2.51.0