diff --git a/src/drivers/i2c/generic/chip.h b/src/drivers/i2c/generic/chip.h
index 19c6596..a4f85df 100644
--- a/src/drivers/i2c/generic/chip.h
+++ b/src/drivers/i2c/generic/chip.h
@@ -19,11 +19,6 @@
 #include <arch/acpi_device.h>
 #include <device/i2c.h>
 
-enum power_mgmt_type {
-	POWER_RESOURCE = 1,
-	GPIO_EXPORT = 2,
-};
-
 struct drivers_i2c_generic_config {
 	const char *hid;	/* ACPI _HID (required) */
 	const char *cid;	/* ACPI _CID */
@@ -47,8 +42,11 @@
 	unsigned device_present_gpio;
 	unsigned device_present_gpio_invert;
 
-	/* Power management type. */
-	enum power_mgmt_type pwr_mgmt_type;
+	/* Disable reset and enable GPIO export in _CRS */
+	bool disable_gpio_export_in_crs;
+
+	/* Does the device have a power resource? */
+	bool has_power_resource;
 
 	/* GPIO used to take device out of reset or to put it into reset. */
 	struct acpi_gpio reset_gpio;
diff --git a/src/drivers/i2c/generic/generic.c b/src/drivers/i2c/generic/generic.c
index 4cf3e9e..a90947f 100644
--- a/src/drivers/i2c/generic/generic.c
+++ b/src/drivers/i2c/generic/generic.c
@@ -32,7 +32,7 @@
 	unsigned reset_gpio = config->reset_gpio.pins[0];
 	unsigned enable_gpio = config->enable_gpio.pins[0];
 
-	if (config->pwr_mgmt_type != POWER_RESOURCE)
+	if (!config->has_power_resource)
 		return;
 
 	if (!reset_gpio && !enable_gpio)
@@ -72,10 +72,17 @@
 
 static bool i2c_generic_add_gpios_to_crs(struct drivers_i2c_generic_config *cfg)
 {
-	if (cfg->pwr_mgmt_type == GPIO_EXPORT)
-		return true;
+	/*
+	 * Return false if:
+	 * 1. Request to explicitly disable export of GPIOs in CRS, or
+	 * 2. Both reset and enable GPIOs are not provided.
+	 */
+	if (cfg->disable_gpio_export_in_crs ||
+	    ((cfg->reset_gpio.pin_count == 0) &&
+	     (cfg->enable_gpio.pin_count == 0)))
+		return false;
 
-	return false;
+	return true;
 }
 
 static int i2c_generic_write_gpio(struct acpi_gpio *gpio, int *curr_index)
diff --git a/src/mainboard/google/reef/variants/baseboard/devicetree.cb b/src/mainboard/google/reef/variants/baseboard/devicetree.cb
index 7db4f15..2ccf277 100644
--- a/src/mainboard/google/reef/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/reef/variants/baseboard/devicetree.cb
@@ -177,16 +177,11 @@
 				register "desc" = ""ELAN Touchscreen""
 				register "irq" = "IRQ_EDGE_LOW(GPIO_21_IRQ)"
 				register "probed" = "1"
-				register "pwr_mgmt_type" = "GPIO_EXPORT"
 				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_36)"
-
-				chip drivers/generic/gpio_regulator
-					register "name" = ""vcc33""
-					register "gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)"
-					register "enabled_on_boot" = "1"
-					device generic 0 on end
-				end
-
+				register "reset_delay_ms" = "20"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)"
+				register "enable_delay_ms" = "1"
+				register "has_power_resource" = "1"
 				device i2c 10 on end
 			end
 		end	# - I2C 3
diff --git a/src/mainboard/google/reef/variants/snappy/devicetree.cb b/src/mainboard/google/reef/variants/snappy/devicetree.cb
index e498533..febc03f 100644
--- a/src/mainboard/google/reef/variants/snappy/devicetree.cb
+++ b/src/mainboard/google/reef/variants/snappy/devicetree.cb
@@ -175,16 +175,11 @@
 				register "desc" = ""ELAN Touchscreen""
 				register "irq" = "IRQ_EDGE_LOW(GPIO_21_IRQ)"
 				register "probed" = "1"
-				register "pwr_mgmt_type" = "GPIO_EXPORT"
 				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_36)"
-
-				chip drivers/generic/gpio_regulator
-					register "name" = ""vcc33""
-					register "gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)"
-					register "enabled_on_boot" = "1"
-					device generic 0 on end
-				end
-
+				register "reset_delay_ms" = "20"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)"
+				register "enable_delay_ms" = "1"
+				register "has_power_resource" = "1"
 				device i2c 10 on end
 			end
 			chip drivers/i2c/hid
@@ -192,7 +187,6 @@
 				register "generic.desc" = ""WDT Touchscreen""
 				register "generic.irq" = "IRQ_EDGE_LOW(GPIO_21_IRQ)"
 				register "generic.probed" = "1"
-				register "generic.pwr_mgmt_type" = "GPIO_EXPORT"
 				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_36)"
 				register "hid_desc_reg_offset" = "0x20"
 				device i2c 2c on end
diff --git a/src/mainboard/intel/leafhill/devicetree.cb b/src/mainboard/intel/leafhill/devicetree.cb
index 7db4f15..2ccf277 100644
--- a/src/mainboard/intel/leafhill/devicetree.cb
+++ b/src/mainboard/intel/leafhill/devicetree.cb
@@ -177,16 +177,11 @@
 				register "desc" = ""ELAN Touchscreen""
 				register "irq" = "IRQ_EDGE_LOW(GPIO_21_IRQ)"
 				register "probed" = "1"
-				register "pwr_mgmt_type" = "GPIO_EXPORT"
 				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_36)"
-
-				chip drivers/generic/gpio_regulator
-					register "name" = ""vcc33""
-					register "gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)"
-					register "enabled_on_boot" = "1"
-					device generic 0 on end
-				end
-
+				register "reset_delay_ms" = "20"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)"
+				register "enable_delay_ms" = "1"
+				register "has_power_resource" = "1"
 				device i2c 10 on end
 			end
 		end	# - I2C 3