usb dongle support for rpi4

5 files changed, 17 insertions, 0 deletions

diff --git a/configs/os/boot-config/v2-hdmiusb-rpi4.txt b/configs/os/boot-config/v2-hdmiusb-rpi4.txt
new file mode 100644
index 00000000..b034599c
--- /dev/null
+++ b/configs/os/boot-config/v2-hdmiusb-rpi4.txt
@@ -0,0 +1,8 @@
+# See /boot/overlays/README for all available options
+initramfs initramfs-linux.img followkernel
+
+hdmi_force_hotplug=1
+gpu_mem=16
+enable_uart=1
+dtoverlay=disable-bt
+dtoverlay=dwc2
diff --git a/configs/os/cmdline/v2-hdmiusb-rpi4.sed b/configs/os/cmdline/v2-hdmiusb-rpi4.sed
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/configs/os/cmdline/v2-hdmiusb-rpi4.sed
diff --git a/configs/os/modules-load/v2-hdmiusb.conf b/configs/os/modules-load/v2-hdmiusb.conf
new file mode 100644
index 00000000..9c9626be
--- /dev/null
+++ b/configs/os/modules-load/v2-hdmiusb.conf
@@ -0,0 +1,2 @@
+dwc2
+libcomposite
diff --git a/configs/os/sudoers/v2-hdmiusb b/configs/os/sudoers/v2-hdmiusb
new file mode 100644
index 00000000..cc50dc9f
--- /dev/null
+++ b/configs/os/sudoers/v2-hdmiusb
@@ -0,0 +1,2 @@
+kvmd ALL=(ALL) NOPASSWD: /usr/bin/kvmd-helper-otgmsd-unlock
+kvmd ALL=(ALL) NOPASSWD: /usr/bin/kvmd-helper-otgmsd-remount
diff --git a/configs/os/udev/v2-hdmiusb-rpi4.rules b/configs/os/udev/v2-hdmiusb-rpi4.rules
new file mode 100644
index 00000000..f6710ea8
--- /dev/null
+++ b/configs/os/udev/v2-hdmiusb-rpi4.rules
@@ -0,0 +1,5 @@
+# https://unix.stackexchange.com/questions/66901/how-to-bind-usb-device-under-a-static-name
+# https://wiki.archlinux.org/index.php/Udev#Setting_static_device_names
+KERNEL=="video[0-9]*", SUBSYSTEM=="video4linux", KERNELS=="1-1.4:1.0", GROUP="kvmd", SYMLINK+="kvmd-video"
+KERNEL=="hidg0", GROUP="kvmd", SYMLINK+="kvmd-hid-keyboard"
+KERNEL=="hidg1", GROUP="kvmd", SYMLINK+="kvmd-hid-mouse"