3 files changed, 47 insertions, 0 deletions

diff --git a/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape-stop.sh b/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape-stop.sh
new file mode 100755
index 00000000..222a010d
--- /dev/null
+++ b/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape-stop.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+for eeprom in /sys/bus/i2c/devices/3-005*/eeprom ; do
+        PARTNUMBER=$(hexdump -e '8/1 "%c"' $eeprom -s 58 -n16)
+        case $PARTNUMBER in
+                "BB-BONE-LCD3-01.")
+                                echo "Turning off backlight for LCD3 cape"
+                                i2cset -f -y 1 0x24 0x07 0x00;;
+                "BB-BONE-LCD4"*)
+                                echo "Turning off backlight for LCD4 cape"
+                                i2cset -f -y 1 0x24 0x07 0x00;;
+                *)
+                                echo "unknown cape: $PARTNUMBER";;
+        esac
+done
diff --git a/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape.service b/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape.service
new file mode 100644
index 00000000..ce0db719
--- /dev/null
+++ b/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Beaglebone cape support
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/bin/cape.sh
+ExecStop=/usr/bin/cape-stop.sh
+
+[Install]
+WantedBy=basic.target
diff --git a/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape.sh b/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape.sh
new file mode 100755
index 00000000..c279349d
--- /dev/null
+++ b/meta-ti-extras/recipes-ti/beagleboard/beaglebone-capes/cape.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+for eeprom in /sys/bus/i2c/devices/3-005*/eeprom ; do
+        PARTNUMBER=$(hexdump -e '8/1 "%c"' $eeprom -s 58 -n16)
+        case $PARTNUMBER in
+                "BB-BONE-LCD3-01.")
+                                echo "Turning on backlight for LCD3 cape"
+                                i2cset -f -y 1 0x24 0x07 0x09
+                                i2cset -f -y 1 0x24 0x08 0x60;;
+                "BB-BONE-LCD4"*)
+                                echo "Turning on backlight for LCD4 cape"
+                                i2cset -f -y 1 0x24 0x07 0x09
+                                i2cset -f -y 1 0x24 0x08 0x60;;
+                "BB-BONE-WTHR-01.")
+                                echo "Initializing I2C devices"
+                                echo sht21 0x40 > /sys/class/i2c-adapter/i2c-3/new_device
+                                echo bmp085 0x77 > /sys/class/i2c-adapter/i2c-3/new_device
+                                echo tsl2550 0x39 > /sys/class/i2c-adapter/i2c-3/new_device
+                                echo 1 > /sys/bus/i2c/devices/3-0039/operating_mode;;
+                *)
+                                echo "unknown cape: $PARTNUMBER";;
+        esac
+done