linux-kernel - [PATCH v1 1/2] dt-bindings: mbox: add pic64gx mailbox compatibility to mpfs mailbox

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Message-ID: <20251117-screen-appointee-837a7296ca91@spud>
Date: Mon, 17 Nov 2025 15:46:54 +0000
From: Conor Dooley <conor@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: conor@...nel.org,
	Pierre-Henry Moussay <pierre-henry.moussay@...rochip.com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Daire McNamara <daire.mcnamara@...rochip.com>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org
Subject: [PATCH v1 1/2] dt-bindings: mbox: add pic64gx mailbox compatibility to mpfs mailbox

From: Pierre-Henry Moussay <pierre-henry.moussay@...rochip.com>

pic64gx mailbox is compatible with mpfs mailbox, even if the mailbox
consumer is not - the underlying communication mechanism is the same.

Signed-off-by: Pierre-Henry Moussay <pierre-henry.moussay@...rochip.com>
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
CC: Conor Dooley <conor.dooley@...rochip.com>
CC: Daire McNamara <daire.mcnamara@...rochip.com>
CC: Jassi Brar <jassisinghbrar@...il.com>
CC: Rob Herring <robh@...nel.org>
CC: Krzysztof Kozlowski <krzk+dt@...nel.org>
CC: linux-riscv@...ts.infradead.org
CC: linux-kernel@...r.kernel.org
CC: devicetree@...r.kernel.org

 .../devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml
index 1332aab9a888..5f2ec74c1b29 100644
--- a/Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml
@@ -11,7 +11,11 @@ maintainers:
 
 properties:
   compatible:
-    const: microchip,mpfs-mailbox
+    oneOf:
+      - items:
+          - const: microchip,pic64gx-mailbox
+          - const: microchip,mpfs-mailbox
+      - const: microchip,mpfs-mailbox
 
   reg:
     oneOf:
-- 
2.51.0