linux-kernel - [PATCH] dt-bindings: samsung: soc: match preferred naming in entire compatible

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Date:   Mon, 26 Sep 2022 14:47:57 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: samsung: soc: match preferred naming in entire compatible

Compatible is a string-array, therefore the "select" should look for
anything containing Samsung SoC part.  This allows to validate cases
like:
 - "samsung,exynos5250-gsc", "samsung,exynos5-gsc"
 - "samsung,exynos5250-pmu", "syscon"
 - "tesla,fsd-mct", "samsung,exynos4210-mct"

Since Tesla FSD builts on top of Exynos blocks, add an adidtional
pattern for it.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/arm/samsung/samsung-soc.yaml     | 26 +++++++++++++++----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-soc.yaml b/Documentation/devicetree/bindings/arm/samsung/samsung-soc.yaml
index 653f85997643..bb1fdc205b44 100644
--- a/Documentation/devicetree/bindings/arm/samsung/samsung-soc.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-soc.yaml
@@ -18,17 +18,33 @@ description: |
     samsung,exynos5433-cmu-isp
 
 select:
-  properties:
-    compatible:
-      pattern: "^samsung,.*(s3c|s5pv|exynos)[0-9a-z]+.*$"
+  allOf:
+    - properties:
+        $nodename:
+          pattern: '^[a-z]'
+    - properties:
+        compatible:
+          contains:
+            pattern: "^samsung,.*(s3c|s5pv|exynos)[0-9a-z]+.*$"
   required:
     - compatible
 
 properties:
   compatible:
     oneOf:
-      - description: Preferred naming style for compatibles of SoC components
-        pattern: "^samsung,(s3c|s5pv|exynos|exynosautov)[0-9]+-.*$"
+      - description: Preferred naming style for compatibles of S3C/S5P/Exynos SoC components
+        minItems: 1
+        items:
+          - pattern: "^samsung,(s3c|s5pv|exynos|exynosautov)[0-9]+-.*$"
+          - {}
+          - {}
+
+      - description: Preferred naming style for compatibles of Tesla FSD SoC components
+        minItems: 1
+        items:
+          - pattern: "^tesla,fsd-.*$"
+          - {}
+          - {}
 
       # Legacy compatibles with wild-cards - list cannot grow with new bindings:
       - enum:
-- 
2.34.1