linux-kernel - [PATCH] dt-bindings: gpio: snps,dw-apb: allow gpio-line-names

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Message-Id: <20230712074553.35907-1-krzysztof.kozlowski@linaro.org>
Date:   Wed, 12 Jul 2023 09:45:53 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Hoan Tran <hoan@...amperecomputing.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] dt-bindings: gpio: snps,dw-apb: allow gpio-line-names

Allow the GPIO controller subnode to define GPIO names.  Already used in
at least on DTS:

  bitmain/bm1880-sophon-edge.dtb: gpio@...27000: gpio-controller@0: 'gpio-line-names' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
index b391cc1b4590..209f03bba0a7 100644
--- a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
@@ -61,6 +61,10 @@ patternProperties:
       '#gpio-cells':
         const: 2
 
+      gpio-line-names:
+        minItems: 1
+        maxItems: 32
+
       ngpios:
         default: 32
         minimum: 1
-- 
2.34.1