dt-bindings: gpio: dwapb: Add ngpios property support

It's redundant to have a vendor-specific property describing a number of
GPIOS while there is a generic one. Let's mark the former one as
deprecated and define the "ngpios" property supported with constraints
of being within [1; 32] range.

Signed-off-by: Serge Semin <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

diff --git a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
index 1240f6289249160c513068fbcae81c99c0f59dc5..b391cc1b4590676483d73e6f8141ec059522a86b 100644 (file)
--- a/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml
@@ -61,8 +61,14 @@ patternProperties:
       '#gpio-cells':
         const: 2
 
+      ngpios:
+        default: 32
+        minimum: 1
+        maximum: 32
+
       snps,nr-gpios:
         description: The number of GPIO pins exported by the port.
+        deprecated: true
         $ref: /schemas/types.yaml#/definitions/uint32
         default: 32
         minimum: 1