linux-kernel - [PATCH v2] dt-bindings: chrome: google,cros-ec-typec: restrict allowed properties

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Message-Id: <20220811062245.4316-1-krzysztof.kozlowski@linaro.org>
Date:   Thu, 11 Aug 2022 09:22:45 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Prashant Malani <pmalani@...omium.org>,
        devicetree@...r.kernel.org, chrome-platform@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: [PATCH v2] dt-bindings: chrome: google,cros-ec-typec: restrict allowed properties

Describe exactly what properties are allowed in Google Chrome OS EC Type
C port, so the schema can properly validate the DTS.  Existing DTS
defines always connectors with unit addresses, not a sole "connector"
child.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Acked-by: Prashant Malani <pmalani@...omium.org>

---

Cc: Bjorn Andersson <bjorn.andersson@...aro.org>

Changes since v1:
1. Correct subject prefix
---
 .../bindings/chrome/google,cros-ec-typec.yaml     | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
index 2d98f7c4d3bc..50ebd8c57795 100644
--- a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
+++ b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
@@ -20,13 +20,24 @@ properties:
   compatible:
     const: google,cros-ec-typec
 
-  connector:
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+patternProperties:
+  '^connector@[0-9a-f]+$':
     $ref: /schemas/connector/usb-connector.yaml#
+    unevaluatedProperties: false
+    properties:
+      reg:
+        maxItems: 1
 
 required:
   - compatible
 
-additionalProperties: true #fixme
+additionalProperties: false
 
 examples:
   - |+
-- 
2.34.1