generic-poky/meta-sysmocom-bsp/recipes-bsp/sob-odu/files/gsmk-owhw/gpio_usb2514

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#!/bin/sh
SYSGPIO=/sys/class/gpio
DEVGPIO=/dev/gpio
[ -d "$DEVGPIO " ] || mkdir "$DEVGPIO"
export_gpio()
{
NUM="$1"
DIR="$2"
GPIOPATH="$SYSGPIO/gpio$NUM"
[ -d "$GPIOPATH" ] || echo $1 > "$SYSGPIO/export"
echo $2 > "$GPIOPATH/direction"
}
export_gpio_out()
{
NUM="$1"
NAME="$2"
VAL="$3"
INV="$4"
GPIOPATH="$SYSGPIO/gpio$NUM"
export_gpio $NUM out
ln -sfn "$GPIOPATH" "$DEVGPIO/$NAME"
if [ "x$INV" != "x" ]; then
echo 1 > "$GPIOPATH/active_low"
else
echo 0 > "$GPIOPATH/active_low"
fi
echo $VAL > "$GPIOPATH/value"
}
export_gpio_in()
{
NUM="$1"
NAME="$2"
INV="$3"
GPIOPATH="$SYSGPIO/gpio$NUM"
export_gpio $NUM in
ln -sfn "$GPIOPATH" "$DEVGPIO/$NAME"
if [ "x$INV" != "x" ]; then
echo 1 > "$GPIOPATH/active_low"
else
echo 0 > "$GPIOPATH/active_low"
fi
}
export_gpio_out 48 pse_i2c_buf_en 0 active_low
export_gpio_in 52 pse_int active_low
export_gpio_out 23 connect_st_usim1 0
export_gpio_out 27 connect_st_usim2 0
export_gpio_out 26 mdm1_rst 0
export_gpio_out 59 mdm1_on 1
export_gpio_out 58 mdm_ldo_en 1
#export_gpio_in 57 button active_low
export_gpio_out 55 mdm2_rst 0
#export_gpio_out 54 system_led 1 active_low
export_gpio_out 51 eeprom_wp 0
export_gpio_out 50 mdm2_on 1
export_gpio_out 113 simtrace_erase 0
export_gpio_out 115 simtrace_bootloader 0
export_gpio_out 114 simtrace_reset 0
export_gpio_in 104 acc_int active_low
export_gpio_out 62 hub_reset 1 active_low