On Wed, Feb 14, 2024 at 5:24 PM Théo Lebrun [off-list ref] wrote:
quoted hunk ↗ jump to hunk
This GPIO controller can support a lesser number of GPIOs than 32.
Express that in devicetree using an optional, generic property.
Signed-off-by: Théo Lebrun <theo.lebrun@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 a999908173d2..bbd23daed229 100644
--- a/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/st,nomadik-gpio.yaml
@@ -50,6 +50,10 @@ properties:
gpio-ranges:
maxItems: 1
+ ngpios:
+ minimum: 0
+ maximum: 32
I can't help but wonder what good is ngpios = <0>; but OK.
Reviewed-by: Linus Walleij <redacted>
Yours,
Linus Walleij
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