added my Recipes

meta-st/meta-st-openstlinux/recipes-kernel/gpio-udev/gpio-udev.bb

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+SUMMARY = "Add udev rules to set GPIO to dialout group"
+
+LICENSE = "GPL-2.0-only"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/GPL-2.0-only;md5=801f80980d171dd6425610833a22dbe6"
+
+DEPENDS = "udev"
+
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+
+SRC_URI = "file://99-gpio-group.rules"
+
+do_install() {
+    install -D -p -m0664 ${WORKDIR}/99-gpio-group.rules \
+        ${D}${sysconfdir}/udev/rules.d/99-gpio-group.rules
+}

meta-st/meta-st-openstlinux/recipes-kernel/gpio-udev/gpio-udev/99-gpio-group.rules

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+# Add /dev/gpiochip to dialout group, like Raspberry, to allow weston user to access GPIO
+ACTION=="add", KERNEL=="gpio*", SUBSYSTEM=="gpio", GROUP="dialout"

meta-st/meta-st-openstlinux/recipes-kernel/usbip/files/99-usb-usbip.rules

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+ACTION=="remove", SUBSYSTEM=="usb", RUN+="/usr/sbin/stm32mp-usbip-bind-unbind.sh remove %p"
+
+ACTION=="add", SUBSYSTEM=="usb", DRIVER=="usb", RUN+="/usr/sbin/stm32mp-usbip-bind-unbind.sh add %p"
+

meta-st/meta-st-openstlinux/recipes-kernel/usbip/files/README.linux

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+USB IP:
+------
+REF:
+https://developer.ridgerun.com/wiki/index.php?title=How_to_setup_and_use_USB/IP
+
+
+Server configuration:
+---------------------
+The package usbip provide the tools and service to enable a serveur for usbip.
+
+To enable it on server:
+ $> systemctl enable usbip
+ $> systemctl start usbip
+
+
+Client configuration and way of working (Linux ubuntu PC):
+----------------------------------------------------------
+Pre-requisite on ubuntu:
+  sudo apt-get install sysfsutils libwrap0-dev libglib2.0-dev libtool automake autoconf pkg-config linux-tools-generic
+
+Download ids file and install it:
+  wget http://www.linux-usb.org/usb.ids
+  sudo mkdir -p /usr/share/hwdata/
+  sudo cp usb.ids /usr/share/hwdata/
+
+Setup:
+ sudo modprobe usbip-core
+ sudo modprobe vhci-hcd
+Can be automaticaly load at runtime by putting it on module load:
+  echo "usbip-core" > /etc/modules-load.d/usbip.conf
+  echo "vhci-hcd" >> /etc/modules-load.d/usbip.conf
+
+List usb remote available on specific server:
+  sudo usbip list -r <server IP>
+
+attach an USB:
+  sudo usbip attach -r <server IP> -b <USB ID>
+Detach
+ sudo usbip port
+ sudo usbip detach -p 00
+
+NOTE: if "usbip attach" return an error like:
+"usbip: info: no exportable devices found on 10.48.0.144"
+That meanin there is no usb device plugged on server.
+

meta-st/meta-st-openstlinux/recipes-kernel/usbip/files/stm32mp-usbip-bind-unbind.sh

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+#!/bin/sh -
+#echo "Parameter number $#" >> /tmp/usbip.log
+action=$1
+devpath=$2
+#echo "Parameter: $1" >> /tmp/usbip.log
+#echo "Parameter: $2" >> /tmp/usbip.log
+
+case $1 in
+unload)
+    modprobe -r usbip-core
+    modprobe -r usbip-host
+    kill -9 `pgrep usbipd`
+    exit 0
+    ;;
+esac
+
+subpath=$(echo $2 | sed "s|.*/\([^/]*\)|\1|")
+#echo "subpath  >$subpath<" >> /tmp/usbip.log
+if $(echo $subpath | grep -q ":");
+then
+    #echo "No valid path" >> /tmp/usbip.log
+    exit 0
+fi
+
+# if usbip-core are not loaded, do nothing
+if [ -z "$(cat /proc/modules | grep usbip_core)"  ]; then
+   #echo "no module usbip_core loaded" >> /tmp/usbip.log
+   exit 0
+fi
+
+case $1 in
+add)
+    #echo ">>> bind $subpath" >> /tmp/usbip.log
+    usbip bind -b $subpath
+    ;;
+remove)
+    #echo "<<< unbind $subpath" >> /tmp/usbip.log
+    usbip unbind -b $subpath
+    ;;
+esac
+

meta-st/meta-st-openstlinux/recipes-kernel/usbip/files/usbip.conf

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+blacklist usbip-core
+blacklist usbip-host

meta-st/meta-st-openstlinux/recipes-kernel/usbip/files/usbip.service

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+[Unit]
+Description=USB-IP Bindind
+After=network.target
+Wants=network.target
+
+[Service]
+Type=forking
+ExecStartPre=-/sbin/modprobe usbip-core
+ExecStartPre=-/sbin/modprobe usbip-host
+ExecStart=/usr/sbin/usbipd -D
+ExecStop=/usr/sbin/stm32mp-usbip-bind-unbind.sh unload
+
+[Install]
+WantedBy=multi-user.target
+

meta-st/meta-st-openstlinux/recipes-kernel/usbip/usbip.bb

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+SUMMARY = "USB ip tools"
+DESCRIPTION = "USB ip tools from linux kernel"
+HOMEPAGE = "https://www.kernel.org"
+
+LICENSE = "GPL-2.0-only"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/GPL-2.0-only;md5=801f80980d171dd6425610833a22dbe6"
+
+PV = "2.0"
+PR = "r1"
+
+SRC_URI += " \
+    file://99-usb-usbip.rules \
+    file://stm32mp-usbip-bind-unbind.sh \
+    file://usb.ids \
+    file://usbip.service \
+    file://usbip.conf \
+    "
+
+DEPENDS = " \
+    tcp-wrappers \
+    systemd \
+    "
+
+USBIP_SRC ?= "tools/usb/usbip"
+
+do_configure[depends] += "virtual/kernel:do_shared_workdir"
+
+inherit linux-kernel-base kernel-arch manpages
+
+do_populate_lic[depends] += "virtual/kernel:do_patch"
+
+inherit kernelsrc
+
+S = "${WORKDIR}/tools/usb/usbip"
+
+inherit autotools gettext pkgconfig systemd
+
+SYSTEMD_SERVICE:${PN} = "usbip.service"
+SYSTEMD_AUTO_ENABLE:${PN} = "disable"
+
+EXTRA_OECONF += "--with-tcp-wrappers"
+
+do_configure[prefuncs] += "base_do_unpack"
+
+do_configure:prepend() {
+    # copy source source from kernel to workdir
+    mkdir -p ${WORKDIR}/${USBIP_SRC}
+    tar --xattrs --xattrs-include='*' -cf - -S -C ${STAGING_KERNEL_DIR}/${USBIP_SRC} -p . | tar --xattrs --xattrs-include='*' -xf - -C ${WORKDIR}/${USBIP_SRC}
+}
+do_install:append() {
+    install -d ${D}${datadir}/hwdata/
+    install -m 0644 ${WORKDIR}/usb.ids ${D}${datadir}/hwdata/
+
+    install -d ${D}${sbindir}
+    install -m 0755 ${WORKDIR}/stm32mp-usbip-bind-unbind.sh ${D}${sbindir}/
+
+    install -d ${D}${sysconfdir}/udev/rules.d/
+    install -m 0644 ${WORKDIR}/99-usb-usbip.rules ${D}${sysconfdir}/udev/rules.d/
+
+    install -d ${D}${sysconfdir}/modprobe.d/
+    install -m 0644 ${WORKDIR}/usbip.conf ${D}${sysconfdir}/modprobe.d/
+
+    install -d ${D}${systemd_system_unitdir}/
+    install -m 0644 ${WORKDIR}/usbip.service ${D}${systemd_system_unitdir}/
+}
+FILES:${PN} += "${datadir}/hwdata/ ${sbindir} ${sysconfdir}/udev/rules.d/ ${systemd_system_unitdir}/ ${sysconfdir}/modprobe.d/"