linux-kernel - [PATCH v3 1/2] dt-bindings: firmware: Add binding for SMBIOS /chosen properties

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Message-ID: <20251031084101.701159-2-adriana@arista.com>
Date: Fri, 31 Oct 2025 01:41:00 -0700
From: adriana <adriana@...sta.com>
To: ilias.apalodimas@...aro.org,
	ardb@...nel.org,
	trini@...sulko.com
Cc: robh@...nel.org,
	krzk@...nel.org,
	jdelvare@...e.com,
	frowand.list@...il.com,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	vasilykh@...sta.com,
	arm.ebbr-discuss@....com,
	boot-architecture@...ts.linaro.org,
	linux-efi@...r.kernel.org,
	uefi-discuss@...ts.uefi.org,
	linux-arm-kernel@...ts.infradead.org,
	Adriana Nicolae <adriana@...sta.com>
Subject: [PATCH v3 1/2] dt-bindings: firmware: Add binding for SMBIOS /chosen properties

From: Adriana Nicolae <adriana@...sta.com>

Signed-off-by: Adriana Nicolae <adriana@...sta.com>
---
 .../bindings/firmware/linux,smbios-table.yaml | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/firmware/linux,smbios-table.yaml

diff --git a/Documentation/devicetree/bindings/firmware/linux,smbios-table.yaml b/Documentation/devicetree/bindings/firmware/linux,smbios-table.yaml
new file mode 100644
index 000000000000..b78d8ec6025f
--- /dev/null
+++ b/Documentation/devicetree/bindings/firmware/linux,smbios-table.yaml
@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2025 Arista Networks
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/firmware/linux,smbios-table.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Memory location for SMBIOS table 
+
+description: |
+  This property is used in the /chosen node to pass the physical address
+  of SMBIOS (System Management BIOS) or DMI (Desktop Management Interface)
+  tables from firmware to the kernel. This is typically used on non-EFI
+  platforms like ARM/ARM64.
+  
+maintainers:
+  - Adriana Nicolae <adriana@...sta.com>
+  - Rob Herring <robh+dt@...nel.org>
+
+properties:
+  linux,smbios3-table:
+    $ref: /schemas/types.yaml#/definitions/uint64
+    description:
+      The 64-bit physical address of the SMBIOSv3 entry point structure.
+
+additionalProperties: true
-- 
2.51.0