[PATCH v2 02/30] dt-bindings: gpio: nomadik: add optional ngpios property

[Théo Lebrun]

This GPIO controller can support a lesser number of GPIOs than 32.
Express that in devicetree using an optional, generic property.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
Reviewed-by: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Théo Lebrun <theo.lebrun at bootlin.com>
---
 Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
index 69774f36e03f..4080e94702d5 100644
--- a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
@@ -51,6 +51,10 @@ properties:
   gpio-ranges:
     maxItems: 1
 
+  ngpios:
+    minimum: 0
+    maximum: 32
+
 required:
   - compatible
   - reg

-- 
2.44.0