linux-kernel - [PATCH v2] dt-bindings: gpio: uniphier: Add hogs parsing

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Message-Id: <1648617423-8739-1-git-send-email-hayashi.kunihiko@socionext.com>
Date:   Wed, 30 Mar 2022 14:17:03 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v2] dt-bindings: gpio: uniphier: Add hogs parsing

Allow parsing GPIO controller children nodes with GPIO hogs to fix the
following warning:

  uniphier-ld11-ref.dtb: gpio@...00000: 'xirq0-hog' does not match any of the regexes: 'pinctrl-[0-9]+'
      From schema: Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---

Changes since v1:
- Remove outer brackets from a pattern string
- Add valid properties to patternProperties
- Add gpios to "required:"

 .../bindings/gpio/socionext,uniphier-gpio.yaml  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml b/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
index bcafa494ed7a..228fa27ffdc3 100644
--- a/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
@@ -52,6 +52,23 @@ properties:
       <child-interrupt-base parent-interrupt-base length> triplets.
     $ref: /schemas/types.yaml#/definitions/uint32-matrix
 
+patternProperties:
+  "^.+-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
+      - gpios
+
+    additionalProperties: false
+
 required:
   - compatible
   - reg
-- 
2.25.1