[FAQ] SK-TDA4VM: Enable the DFU boot mode in SK-TDA4VM.

In order to make the DFU to work on SK-TDA4VM, we need to set the usb mode as peripheral instead of host.

USB0 is connected to the TYPEC interface so we need to make dr_mode as peripheral in the USB0 node.

we need to make the below changes in the dtsi and need to recompile the U-BOOT 

diff --git a/arch/arm/dts/k3-j721e-sk-u-boot.dtsi b/arch/arm/dts/k3-j721e-sk-u-boot.dtsi
index 9731094a..024a5987 100644
--- a/arch/arm/dts/k3-j721e-sk-u-boot.dtsi
+++ b/arch/arm/dts/k3-j721e-sk-u-boot.dtsi
@@ -143,7 +143,7 @@
 };
 
 &usb0 {
-       dr_mode = "host";
+       dr_mode = "peripheral";
        bootph-pre-ram;
 };

• cd <9.x_sk_tda4vm_linux_sdk>
• make u-boot 
• Genrated file can be found under <9.x_sk_tda4vm_linux_sdk>/board-support/<ti-u-boot-2023.04+*>/build

Regards
Diwakar