diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c
index 538bce4..642c632 100644
--- a/drivers/gpio/gpio-max77620.c
+++ b/drivers/gpio/gpio-max77620.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * MAXIM MAX77620 GPIO driver
  *
  * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
  */
 
 #include <linux/gpio/driver.h>
@@ -25,60 +22,92 @@
 
 static const struct regmap_irq max77620_gpio_irqs[] = {
 	[0] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE0,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 0,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE0,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 0,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 	[1] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE1,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 1,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE1,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 1,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 	[2] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE2,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 2,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE2,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 2,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 	[3] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE3,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 3,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE3,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 3,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 	[4] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE4,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 4,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE4,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 4,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 	[5] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE5,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 5,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE5,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 5,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 	[6] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE6,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 6,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE6,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 6,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 	[7] = {
-		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE7,
-		.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
-		.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
 		.reg_offset = 0,
-		.type_reg_offset = 7,
+		.mask = MAX77620_IRQ_LVL2_GPIO_EDGE7,
+		.type = {
+			.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
+			.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
+			.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
+			.type_reg_offset = 7,
+			.types_supported = IRQ_TYPE_EDGE_BOTH,
+		},
 	},
 };
 
@@ -163,13 +192,13 @@
 	case 0:
 		val = MAX77620_CNFG_GPIO_DBNC_None;
 		break;
-	case 1 ... 8:
+	case 1 ... 8000:
 		val = MAX77620_CNFG_GPIO_DBNC_8ms;
 		break;
-	case 9 ... 16:
+	case 8001 ... 16000:
 		val = MAX77620_CNFG_GPIO_DBNC_16ms;
 		break;
-	case 17 ... 32:
+	case 16001 ... 32000:
 		val = MAX77620_CNFG_GPIO_DBNC_32ms;
 		break;
 	default:
@@ -241,10 +270,8 @@
 	int ret;
 
 	gpio_irq = platform_get_irq(pdev, 0);
-	if (gpio_irq <= 0) {
-		dev_err(&pdev->dev, "GPIO irq not available %d\n", gpio_irq);
+	if (gpio_irq <= 0)
 		return -ENODEV;
-	}
 
 	mgpio = devm_kzalloc(&pdev->dev, sizeof(*mgpio), GFP_KERNEL);
 	if (!mgpio)