linux-kernel - [PATCH v2] dt-bindings: gpio: nxp,pcf8575: add gpio-line-names

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Date:   Wed,  8 Feb 2023 23:31:00 -0500
From:   Trevor Woerner <twoerner@...il.com>
To:     linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
Cc:     linux-gpio@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v2] dt-bindings: gpio: nxp,pcf8575: add gpio-line-names

The family of PCF857x-compatible chips describe 8-bit i2c i/o expanders.
Allow the user to specify names for the 8 gpio lines.

Signed-off-by: Trevor Woerner <twoerner@...il.com>
---
changes in v2:
- the original said [PATCH 1/2], there is no 2/2

---
 Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml b/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml
index f0ff66c4c74e..81b825a4353c 100644
--- a/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml
+++ b/Documentation/devicetree/bindings/gpio/nxp,pcf8575.yaml
@@ -39,6 +39,10 @@ properties:
   reg:
     maxItems: 1
 
+  gpio-line-names:
+    minItems: 1
+    maxItems: 8
+
   gpio-controller: true
 
   '#gpio-cells':
-- 
2.36.0.rc2.17.g4027e30c53