Add pinctrl shell script

guowenxue

2022-04-11 059fec51aa29b32f5f69c9d243c684dbde35facc

Add pinctrl shell script

 bsp/rootfs/files/pinctrl

New file
@@ -0,0 +1,144 @@
#!/bin/bash
# This shell script used to control GPIO port on IGKBoard

direction=out
sysdir=/sys/class/gpio/
pinbase=0
groupin=32

pinnum=
pindir=
action=

set -u

# RedLed: GPIO01_IO11  GreenLed: GPIO01_IO10 BlueLed: GPIO05_IO09
function usage()
{
   echo "Show pinmap Usage: $0 [-v]" 
   echo "Output set  Usage: $0 GPIO01_IO11 [1/0]" 
   echo "Input read  Usage: $0 [-i] GPIO01_IO11" 
   echo "Unexport    Usage: $0 [-u] GPIO01_IO11" 
   exit;
}

function show_pinmap()
{
   echo "
+-------------+-------------+-------------+-------------+-------------+
|    GPIO     |     Name    |   Physical  |     Name    |    GPIO     |
+-------------+-------------+-----++------+-------------+-------------+
|     3.3v    |     3.3v    |   1 ||  2   |     5v      |     5v      |   
| GPIO01_IO03 |   I2C1_SDA  |   3 ||  4   |     5v      |     5v      |
| GPIO01_IO02 |   I2C1_SCL  |   5 ||  6   |     GND     |     GND     |
| GPIO01_IO18 |     GPIO    |   7 ||  8   |  UART2_TX   | GPIO01_IO20 |
|     GND     |     GND     |   9 ||  10  |  UART2_RX   | GPIO01_IO21 |
| GPIO01_IO24 |   UART3_TX  |  11 ||  12  |  UART3_RX   | GPIO01_IO25 |
| GPIO01_IO28 |   UART4_TX  |  13 ||  14  |     GND     |     GND     |
| GPIO01_IO29 |   UART4_RX  |  15 ||  16  |  UART7_TX   | GPIO03_IO21 |
|     3.3v    |     3.3v    |  17 ||  18  |  UART7_RX   | GPIO03_IO22 |
| GPIO03_IO27 |   SPI1_MOSI |  19 ||  20  |     GND     |     GND     |
| GPIO03_IO28 |   SPI1_MISO |  21 ||  22  |     GPIO    | GPIO03_IO23 |
| GPIO03_IO25 |   SPI1_SCLK |  23 ||  24  |  SPI1_SS0   | GPIO03_IO26 |  
|     GND     |     GND     |  25 ||  26  |     GPIO    | GPIO03_IO24 |
| GPIO01_IO26 |   CAN1_TX   |  27 ||  28  |     PWM8    | GPIO01_IO15 |
| GPIO01_IO27 |   CAN1_RX   |  29 ||  30  |     GND     |     GND     |
| GPIO01_IO22 |   CAN2_TX   |  31 ||  32  |     PWM7    | GPIO01_IO14 |
| GPIO01_IO23 |   CAN2_RX   |  33 ||  34  |     GND     |     GND     |
| GPIO05_IO01 |     GPIO    |  35 ||  36  |     GPIO    | GPIO01_IO11 |
| GPIO05_IO08 |     GPIO    |  37 ||  38  |     GPIO    | GPIO01_IO10 |
|     GND     |     GND     |  39 ||  40  |     GPIO    | GPIO05_IO09 |
+-------------+-------------+-------------+-------------+-------------+
|    GPIO     |     Name    |   Physical  |     Name    |    GPIO     |
+-------------+-------------+-----++------+-------------+-------------+
"
   exit 0;
}

function calc_pinum()
{
   pinstr=$1

   group=`echo $pinstr | cut -d_ -f1 | tr -cd "[0-9]"`
   pin=`echo $pinstr | cut -d_ -f2 | tr -cd "[0-9]"`
   

   group=`expr $group \- 1`
   pinum=`expr $group \* $groupin + $pin + $pinbase`
   pindir=$sysdir/gpio$pinum

   #echo "INFO: GPIO $pinstr map to pinum[$pinum]"
}

function export_gpio()
{
    if [ -e $pindir ] ; then
       return ;
    fi

    echo $pinum > $sysdir/export
}

function unexport_gpio()
{
    if [ ! -e $pindir ] ; then
       return ;
    fi

    echo $pinum > $sysdir/unexport
}

function set_gpio()
{
    echo out > $pindir/direction
    echo $1 > $pindir/value
}

function read_gpio()
{
    echo in > $pindir/direction
    cat $pindir/value
}

if [ $# -lt 1 ] ; then
   usage;
fi

while getopts "iuvh" OPTNAME
do
    case "${OPTNAME}" in
        "i")
           direction=in
           shift
           ;;

        "u")
           action=unexport;
           shift
           ;;

        "v")
           show_pinmap;
           shift
           ;;

        "h")
           usage;
           ;;
    esac
done

calc_pinum $1

if [[ $action == unexport ]] ; then
   unexport_gpio
   exit;
fi

export_gpio

if [ $direction == in ] ; then
   read_gpio
else
   set_gpio $2
fi

 bsp/rootfs/rootfs.json

@@ -15,7 +15,8 @@
        },
        "INSTALL_FILES": {
            "${PRJ_PATH}/../images/drivers/lib/modules/": "$ROOTFS_DIR/lib/",
            "files/expand_rootfs": "$ROOTFS_DIR/usr/sbin"
            "files/expand_rootfs": "$ROOTFS_DIR/usr/sbin",
            "files/pinctrl": "$ROOTFS_DIR/usr/sbin"
        }
    },
    "SYS_YOCTO": {