linux-kernel - [PATCH RFC v3 2/9] dt-bindings: board: Introduce board-id

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Date: Tue, 21 May 2024 11:37:59 -0700
From: Elliot Berman <quic_eberman@...cinc.com>
To: Rob Herring <robh+dt@...nel.org>, Frank Rowand <frowand.list@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>
CC: Amrit Anand <quic_amrianan@...cinc.com>,
        Peter Griffin
	<peter.griffin@...aro.org>,
        Caleb Connolly <caleb.connolly@...aro.org>,
        "Andy
 Gross" <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "Doug
 Anderson" <dianders@...omium.org>,
        Simon Glass <sjg@...omium.org>, "Chen-Yu
 Tsai" <wenst@...omium.org>,
        Julius Werner <jwerner@...omium.org>,
        "Humphreys,
 Jonathan" <j-humphreys@...com>,
        Sumit Garg <sumit.garg@...aro.org>,
        "Jon
 Hunter" <jonathanh@...dia.org>,
        Michal Simek <michal.simek@....com>,
        <boot-architecture@...ts.linaro.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-arm-msm@...r.kernel.org>,
        Elliot Berman <quic_eberman@...cinc.com>
Subject: [PATCH RFC v3 2/9] dt-bindings: board: Introduce board-id

Device manufcturers frequently ship multiple boards or SKUs under a
single softwre package. These software packages ship multiple devicetree
blobs and require some mechanims to pick the correct DTB for the boards
that use the software package. This patch introduces a common language
for adding board identifiers to devicetrees.

Signed-off-by: Elliot Berman <quic_eberman@...cinc.com>
---
 .../devicetree/bindings/board/board-id.yaml        | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Documentation/devicetree/bindings/board/board-id.yaml b/Documentation/devicetree/bindings/board/board-id.yaml
new file mode 100644
index 000000000000..99514aef9718
--- /dev/null
+++ b/Documentation/devicetree/bindings/board/board-id.yaml
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/board/board-id.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: board identifiers
+description: Common property for board-id subnode
+
+maintainers:
+  - Elliot Berman <quic_eberman@...cinc.com>
+
+properties:
+  $nodename:
+    const: '/'
+  board-id:
+    type: object
+    patternProperties:
+      "^.*(?!_str)$":
+        $ref: /schemas/types.yaml#/definitions/uint32-matrix
+      "^.*_str$":
+        $ref: /schemas/types.yaml#/definitions/string-array
+
+additionalProperties: true

-- 
2.34.1