DEFINE_RES_NAMED(DA9062_IRQ_TICK, 1, "TICK", IORESOURCE_IRQ),
 };
 
+static struct resource da9062_onkey_resources[] = {
+       DEFINE_RES_NAMED(DA9062_IRQ_ONKEY, 1, "ONKEY", IORESOURCE_IRQ),
+};
+
 static const struct mfd_cell da9062_devs[] = {
        {
                .name           = "da9062-core",
                .resources      = da9062_rtc_resources,
                .of_compatible  = "dlg,da9062-rtc",
        },
+       {
+               .name           = "da9062-onkey",
+               .num_resources  = ARRAY_SIZE(da9062_onkey_resources),
+               .resources      = da9062_onkey_resources,
+               .of_compatible = "dlg,da9062-onkey",
+       },
 };
 
 static int da9062_clear_fault_log(struct da9062 *chip)