diff --git a/boards/microchip/mec1501modular_assy6885/mec1501modular_assy6885.dts b/boards/microchip/mec1501modular_assy6885/mec1501modular_assy6885.dts
index c259a7a44cdc..f95063e7ed47 100644
--- a/boards/microchip/mec1501modular_assy6885/mec1501modular_assy6885.dts
+++ b/boards/microchip/mec1501modular_assy6885/mec1501modular_assy6885.dts
@@ -70,9 +70,9 @@
 
 &espi0 {
 	status = "okay";
-	io_girq = <19>;
-	vw_girqs = <24 25>;
-	pc_girq = <15>;
+	io-girq = <19>;
+	vw-girqs = <24 25>;
+	pc-girq = <15>;
 	pinctrl-0 = < &espi_reset_n_gpio061 &espi_cs_n_gpio066
 		  &espi_alert_n_gpio063 &espi_clk_gpio065
 		  &espi_io0_gpio070 &espi_io1_gpio071
diff --git a/boards/microchip/mec15xxevb_assy6853/mec15xxevb_assy6853.dts b/boards/microchip/mec15xxevb_assy6853/mec15xxevb_assy6853.dts
index 161536c867de..004f2c00b3fb 100644
--- a/boards/microchip/mec15xxevb_assy6853/mec15xxevb_assy6853.dts
+++ b/boards/microchip/mec15xxevb_assy6853/mec15xxevb_assy6853.dts
@@ -123,9 +123,9 @@
 
 &espi0 {
 	status = "okay";
-	io_girq = <19>;
-	vw_girqs = <24 25>;
-	pc_girq = <15>;
+	io-girq = <19>;
+	vw-girqs = <24 25>;
+	pc-girq = <15>;
 	pinctrl-0 = < &espi_reset_n_gpio061 &espi_cs_n_gpio066
 		  &espi_alert_n_gpio063 &espi_clk_gpio065
 		  &espi_io0_gpio070 &espi_io1_gpio071
diff --git a/doc/releases/migration-guide-4.2.rst b/doc/releases/migration-guide-4.2.rst
index 70cf72e0b037..22131d95a0e1 100644
--- a/doc/releases/migration-guide-4.2.rst
+++ b/doc/releases/migration-guide-4.2.rst
@@ -32,6 +32,19 @@ Boards
 Device Drivers and Devicetree
 *****************************
 
+
+Enhanced Serial Peripheral Interface (eSPI)
+===========================================
+
+* Renamed the devicetree property ``io_girq`` to ``io-girq``.
+* Renamed the devicetree property ``vw_girqs`` to ``vw-girqs``.
+* Renamed the devicetree property ``pc_girq`` to ``pc-girq``.
+* Renamed the devicetree property ``poll_timeout`` to ``poll-timeout``.
+* Renamed the devicetree property ``poll_interval`` to ``poll-interval``.
+* Renamed the devicetree property ``consec_rd_timeout`` to ``consec-rd-timeout``.
+* Renamed the devicetree property ``sus_chk_delay`` to ``sus-chk-delay``.
+* Renamed the devicetree property ``sus_rsm_interval`` to ``sus-rsm-interval``.
+
 Bluetooth
 *********
 
diff --git a/dts/bindings/espi/microchip,xec-espi-saf.yaml b/dts/bindings/espi/microchip,xec-espi-saf.yaml
index 995052bbf69f..e74ee0a29ed2 100644
--- a/dts/bindings/espi/microchip,xec-espi-saf.yaml
+++ b/dts/bindings/espi/microchip,xec-espi-saf.yaml
@@ -13,26 +13,26 @@ properties:
     description: mmio register space
     required: true
 
-  io_girq:
+  io-girq:
     type: int
     description: soc group irq index for eSPI I/O
 
-  poll_timeout:
+  poll-timeout:
     type: int
     description: poll flash busy timeout in 32KHz periods
 
-  poll_interval:
+  poll-interval:
     type: int
     description: interval between flash busy poll in 20 ns units
 
-  consec_rd_timeout:
+  consec-rd-timeout:
     type: int
     description: timeout after last read to resume supended operations in 20 ns units
 
-  sus_chk_delay:
+  sus-chk-delay:
     type: int
     description: hold off poll after suspend in 20 ns units
 
-  sus_rsm_interval:
+  sus-rsm-interval:
     type: int
     description: force suspended erase or program to resume in 32KHz periods
diff --git a/dts/bindings/espi/microchip,xec-espi.yaml b/dts/bindings/espi/microchip,xec-espi.yaml
index b3fb2474a04f..df03c6f19325 100644
--- a/dts/bindings/espi/microchip,xec-espi.yaml
+++ b/dts/bindings/espi/microchip,xec-espi.yaml
@@ -12,17 +12,17 @@ properties:
     description: mmio register space
     required: true
 
-  io_girq:
+  io-girq:
     type: int
     description: soc group irq index for eSPI I/O
     required: true
 
-  vw_girqs:
+  vw-girqs:
     type: array
     description: soc group irq indexes for eSPI virtual wires channel
     required: true
 
-  pc_girq:
+  pc-girq:
     type: int
     description: soc group irq index for eSPI peripheral channel
     required: true