linux-kernel - [PATCH] dt-bindings: gpio: davinci: list contents of GPIO hogs

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Date:   Mon, 28 Mar 2022 21:11:53 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Keerthy <j-keerthy@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH] dt-bindings: gpio: davinci: list contents of GPIO hogs

The hogs children should list allowed properties, otherwise any property
would be accepted.  Simplify also GPIO hog node name pattern.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../devicetree/bindings/gpio/gpio-davinci.yaml        | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.yaml b/Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
index f32e09ef937c..e5b91c65dcb0 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
@@ -76,12 +76,21 @@ properties:
     const: 2
 
 patternProperties:
-  "^(.+-hog(-[0-9]+)?)$":
+  "^.+-hog(-[0-9]+)?$":
     type: object
+    properties:
+      gpio-hog: true
+      gpios: true
+      input: true
+      output-high: true
+      output-low: true
+      line-name: true
 
     required:
       - gpio-hog
 
+    additionalProperties: false
+
 required:
   - compatible
   - reg
-- 
2.32.0