The Wolfson Microelectronics Arizona sometimes needs to poll the
GPIO line corresponding to the IRQ to counter bugs in the hardware
that appear on edge-triggered IRQs.

For this situation, provide the optional irq-gpios property.

Signed-off-by: Linus Walleij <linusw@kernel.org>
---
 Documentation/devicetree/bindings/mfd/wlf,arizona.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/wlf,arizona.yaml b/Documentation/devicetree/bindings/mfd/wlf,arizona.yaml
index 7902f3c5d289..359e40b3dacb 100644
--- a/Documentation/devicetree/bindings/mfd/wlf,arizona.yaml
+++ b/Documentation/devicetree/bindings/mfd/wlf,arizona.yaml
@@ -194,6 +194,16 @@ properties:
   reset-gpios:
     maxItems: 1
 
+  irq-gpios:
+    maxItems: 1
+    description:
+      A functional IRQ should be provided in the interrupts
+      property. This property enables edge triggered IRQ emulation
+      for hosts that don't support the codecs level triggered IRQ
+      output. The GPIO line corresponding to the IRQ will be polled
+      until all IRQs have been handled, ensuring an edge is generated
+      for the next IRQ.
+
   wlf,reset:
     description:
       GPIO specifier for the GPIO controlling RESET

-- 
2.53.0

Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable

On Thu, Mar 19, 2026 at 07:50:29PM +0100, Linus Walleij wrote:
> The Wolfson Microelectronics Arizona sometimes needs to poll the
> GPIO line corresponding to the IRQ to counter bugs in the hardware
> that appear on edge-triggered IRQs.
> 
> For this situation, provide the optional irq-gpios property.
> 
> Signed-off-by: Linus Walleij <linusw@kernel.org>
> ---

Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>

Thanks,
Charles