diff --git a/src/arm64/ti/k3-am642-sk.dts b/src/arm64/ti/k3-am642-sk.dts
index 1dddd6f..67cd41b 100644
--- a/src/arm64/ti/k3-am642-sk.dts
+++ b/src/arm64/ti/k3-am642-sk.dts
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
 /*
- * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
+ * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
  */
 
 /dts-v1/;
@@ -469,9 +469,7 @@
 	status = "okay";
 	vmmc-supply = <&vdd_mmc1>;
 	pinctrl-names = "default";
-	bus-width = <4>;
 	pinctrl-0 = <&main_mmc1_pins_default>;
-	ti,driver-strength-ohm = <50>;
 	disable-wp;
 };
 
@@ -646,25 +644,25 @@
 };
 
 &main_r5fss0_core0 {
-	mboxes = <&mailbox0_cluster2>, <&mbox_main_r5fss0_core0>;
+	mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>;
 	memory-region = <&main_r5fss0_core0_dma_memory_region>,
 			<&main_r5fss0_core0_memory_region>;
 };
 
 &main_r5fss0_core1 {
-	mboxes = <&mailbox0_cluster2>, <&mbox_main_r5fss0_core1>;
+	mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core1>;
 	memory-region = <&main_r5fss0_core1_dma_memory_region>,
 			<&main_r5fss0_core1_memory_region>;
 };
 
 &main_r5fss1_core0 {
-	mboxes = <&mailbox0_cluster4>, <&mbox_main_r5fss1_core0>;
+	mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core0>;
 	memory-region = <&main_r5fss1_core0_dma_memory_region>,
 			<&main_r5fss1_core0_memory_region>;
 };
 
 &main_r5fss1_core1 {
-	mboxes = <&mailbox0_cluster4>, <&mbox_main_r5fss1_core1>;
+	mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core1>;
 	memory-region = <&main_r5fss1_core1_dma_memory_region>,
 			<&main_r5fss1_core1_memory_region>;
 };