diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c
index 803676e307d73..fef12e57b1f13 100644
--- a/drivers/gpio/gpio-sim.c
+++ b/drivers/gpio/gpio-sim.c
@@ -425,6 +425,7 @@ static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev)
 	gc->set_config = gpio_sim_set_config;
 	gc->to_irq = gpio_sim_to_irq;
 	gc->free = gpio_sim_free;
+	gc->can_sleep = true;
 
 	ret = devm_gpiochip_add_data(dev, gc, chip);
 	if (ret)