Move overlay code from mts-io to mt-dt-overlay

2 files changed, 130 insertions, 22 deletions

diff --git a/recipes-bsp/multitech/mts-io/mts-io b/recipes-bsp/multitech/mts-io/mts-io
new file mode 100755
index 0000000..d33e5f4
--- /dev/null
+++ b/recipes-bsp/multitech/mts-io/mts-io
@@ -0,0 +1,115 @@
+#!/bin/bash
+
+. /etc/default/mts-io
+
+sysdir=/sys/devices/platform/mts-io
+
+i2c=/sys/bus/i2c/devices/
+
+SYSFS="/usr/sbin/mts-io-sysfs"
+
+setwificap() {
+  WIFICAP=0
+  if  [[ -f ${sysdir}/capability/wifi ]] && (($(cat ${sysdir}/capability/wifi) == 1)) ; then
+    WIFICAP=1
+  fi
+}
+
+lora_init() {
+  # reset lora chip
+  mts-io-sysfs store lora/reset 1
+  mts-io-sysfs store lora/reset 0
+  usleep 100000
+  mts-io-sysfs store lora/reset 1
+}
+
+eth_init() {
+  # reset eth phy
+  mts-io-sysfs store eth-reset 1
+  mts-io-sysfs store eth-reset 0
+  usleep 100000
+  mts-io-sysfs store eth-reset 1
+}
+
+# Normal state when powered up
+wifi_init1() {
+  (($WIFICAP)) || return 0
+  # reset wlan
+  mts-io-sysfs store wlan-rst 0
+  # disable wlan
+  mts-io-sysfs store wlan-en 0
+}
+  
+wifi_init2() {
+  (($WIFICAP)) || return 0
+  mts-io-sysfs store wlan-en 1
+  usleep 30000  # 30mS according to WILC1000 spec.
+  mts-io-sysfs store wlan-rst 1
+}
+
+GNSS_RESET=${sysdir}/gnss-reset
+gnss_init() {
+  set -x
+  ((GPSGNSSRESET)) || return 0
+  USLPTIME=60000
+  if [[ -f $GNSS_RESET ]] ; then
+    echo 0 >$GNSS_RESET
+    usleep $USLPTIME
+    echo 1 >$GNSS_RESET
+  fi
+}
+
+
+cell_init() {
+  # remove /dev/modem_at[0,1] symlinks
+  rm -f /dev/modem_at[0,1]
+
+  if [ -w /sys/devices/platform/mts-io/radio-power ] ; then
+    # power down the cellular chip gracefully
+    mts-io-sysfs store radio-power 0
+    # power up the cellular chip
+    mts-io-sysfs store radio-power 1
+  fi
+}
+
+start_lora_led_updater() {
+  lora-led-updater &
+}
+
+case $1 in
+  start)
+    # SPI driver for LoRa
+    modprobe spidev
+    # Point the firmware API at our i2c EEPROMs
+    echo -n ${i2c} > /sys/module/firmware_class/parameters/path
+    echo "Loading mts-io module"
+    modprobe -r atmel_mci
+    # Point the firmware API at our i2c EEPROMs
+    echo -n ${i2c} > /sys/module/firmware_class/parameters/path
+    modprobe mts_io
+    setwificap
+    wifi_init1
+    lora_init
+    eth_init
+    cell_init &
+    start_lora_led_updater
+    wifi_init2
+    gnss_init
+    modprobe atmel_mci
+    (($WIFICAP)) && modprobe wilc1000
+    (($WIFICAP)) && modprobe wilc1000-sdio
+    ;;
+
+  stop)
+    echo "Unloading mts-io module"
+    wifi_init1  # Power down wifi
+    modprobe -r wilc1000 >/dev/null 2>&1
+    modprobe -r wilc1000-sdio >/dev/null 2>&1
+    modprobe -r mts_io >/dev/null 2>&1
+    ;;
+
+  *)
+    echo "Usage: $0 {start|stop}"
+    exit 2
+    ;;
+esac
diff --git a/recipes-bsp/multitech/mts-io/mts-io.mtcap.init b/recipes-bsp/multitech/mts-io/mts-io.mtcap.init
index 2642de9..d33e5f4 100644
--- a/recipes-bsp/multitech/mts-io/mts-io.mtcap.init
+++ b/recipes-bsp/multitech/mts-io/mts-io.mtcap.init
@@ -1,10 +1,11 @@
 #!/bin/bash
 
+. /etc/default/mts-io
+
 sysdir=/sys/devices/platform/mts-io
 
 i2c=/sys/bus/i2c/devices/
 
-DEVTREE="/sys/kernel/config/device-tree/overlays/"
 SYSFS="/usr/sbin/mts-io-sysfs"
 
 setwificap() {
@@ -46,6 +47,18 @@ wifi_init2() {
   mts-io-sysfs store wlan-rst 1
 }
 
+GNSS_RESET=${sysdir}/gnss-reset
+gnss_init() {
+  set -x
+  ((GPSGNSSRESET)) || return 0
+  USLPTIME=60000
+  if [[ -f $GNSS_RESET ]] ; then
+    echo 0 >$GNSS_RESET
+    usleep $USLPTIME
+    echo 1 >$GNSS_RESET
+  fi
+}
+
 
 cell_init() {
   # remove /dev/modem_at[0,1] symlinks
@@ -63,26 +76,6 @@ start_lora_led_updater() {
   lora-led-updater &
 }
 
-setdevtree() {
-    hw=$(${SYSFS} show hw-version)
-
-    # add device tree overlays, if they exist.
-    [[ -d /lib/dtoverlays ]] || return 1
-    (
-	cd /lib/dtoverlays
-	for f in $(ls ${hw}*) ; do
-            if ! [[ -d ${DEVTREE} ]] ; then
-		mount configfs
-	    fi
-	    f1=${f/#${hw}-/}
-	    f2=${f1/%.dtbo}
-            # f2 is the extracted device name
-            /bin/mkdir ${DEVTREE}/$f2
-	    /bin/cat $f >${DEVTREE}/$f2/dtbo
-	done
-    )
-}
-
 case $1 in
   start)
     # SPI driver for LoRa
@@ -94,7 +87,6 @@ case $1 in
     # Point the firmware API at our i2c EEPROMs
     echo -n ${i2c} > /sys/module/firmware_class/parameters/path
     modprobe mts_io
-	setdevtree
     setwificap
     wifi_init1
     lora_init
@@ -102,6 +94,7 @@ case $1 in
     cell_init &
     start_lora_led_updater
     wifi_init2
+    gnss_init
     modprobe atmel_mci
     (($WIFICAP)) && modprobe wilc1000
     (($WIFICAP)) && modprobe wilc1000-sdio