ccimx93: iw612: add WiFi support

https://onedigi.atlassian.net/browse/DEL-8346

Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>

meta-digi-arm/dynamic-layers/freescale-layer/recipes-bsp/firmware-imx/firmware-nxp-wifi_%.bbappend

@@ -0,0 +1,16 @@
+# Copyright (C) 2023 Digi International.
+
+LIC_FILES_CHKSUM:ccimx93 = "file://EULA.txt;md5=add2d392714d3096ed7e0f7e2190724b"
+
+SRCBRANCH:ccimx93 = "lf-6.1.1_1.0.0"
+SRCREV:ccimx93 = "bacbeb4789c1b13d13aab12ada29217ce8c3e905"
+
+do_install:append:ccimx93() {
+	install -m 444 ${S}/nxp/FwImage_IW612_SD/sduart_nw61x_v1.bin.se ${D}${base_libdir}/firmware/nxp
+}
+
+PACKAGES:prepend:ccimx93 = "${PN}-nxpiw612 "
+
+FILES:${PN}-nxpiw612 = " \
+    ${base_libdir}/firmware/nxp/sduart_nw61x_v1.bin.se \
+"

meta-digi-arm/recipes-kernel/kernel-modules/kernel-module-nxp-wlan.bbappend

@@ -0,0 +1,22 @@
+# Copyright (C) 2023 Digi International.
+
+FILESEXTRAPATHS:prepend := "${THISDIR}/${BPN}:"
+
+SRC_URI:append = " \
+    file://81-iw612-wifi.rules \
+    file://load_iw612.sh \
+"
+
+do_install:append () {
+	install -d ${D}${sysconfdir}/udev/rules.d
+	install -m 0644 ${WORKDIR}/81-iw612-wifi.rules ${D}${sysconfdir}/udev/rules.d/
+	install -d ${D}${sysconfdir}/udev/scripts
+	install -m 0777 ${WORKDIR}/load_iw612.sh ${D}${sysconfdir}/udev/scripts/
+}
+
+FILES:${PN}:append = " \
+	${sysconfdir}/udev/rules.d \
+	${sysconfdir}/udev/scripts \
+"
+
+RDEPENDS:${PN}:remove = "wireless-tools"

meta-digi-arm/recipes-kernel/kernel-modules/kernel-module-nxp-wlan/81-iw612-wifi.rules

@@ -0,0 +1,2 @@
+# Load IW612 wireless module (sdio)
+SUBSYSTEM=="sdio", ACTION=="add", ENV{MODALIAS}=="sdio:c00v0471d0205", RUN="/etc/udev/scripts/load_iw612.sh"

meta-digi-arm/recipes-kernel/kernel-modules/kernel-module-nxp-wlan/load_iw612.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# The bit settings of drv_mode are:
+#    Bit 0 :  STA
+#    Bit 1 :  uAP
+#    Bit 2 :  WIFIDIRECT
+# eg, for STA + uAP + WIFIDIRECT, set 7 (b'111)
+DRIVER_MODE=1  # Only STA
+
+# MREG_D(00000200), MERROR(00000004),MFATAL(00000002)
+DRIVER_DEBUG="0x206"
+
+MOAL_PARAMS=" \
+cfg80211_wext=0xf \
+max_vir_bss=1 \
+cal_data_cfg=none \
+ps_mode=1 \
+auto_ds=1 \
+host_mlme=1 \
+drv_mode=${DRIVER_MODE} \
+drvdbg=${DRIVER_DEBUG} \
+fw_name=nxp/sduart_nw61x_v1.bin.se\
+"
+
+log() {
+        printf "<3>iw612-wifi: $1\n" >/dev/kmsg
+}
+
+if ! [ -e "/proc/device-tree/wireless/mac-address" ]; then
+	log "[ERROR] wireless mac-address not found"
+	exit 1
+fi
+
+WLANADDR=$(hexdump -ve '1/1 "%02X" ":"' /proc/device-tree/wireless/mac-address 2>/dev/null | sed 's/:$//g')
+modprobe mlan && \
+modprobe moal ${MOAL_PARAMS} mac_addr=${WLANADDR} && \
+log "Wi-Fi activated" && exit 0
+
+log "[ERROR] cannot load Wi-Fi driver"
+exit 1