For customers who want to port their own GMSL2 cameras on NRU-161V or NRU-171V

Signal Mapping

We have placed 2x MAX20086 and 3x MAX9296 on i2c bus0.

Printing	Port #0	Port #1	Port #2	Port #3	Port #4	Port #5
MIPI	CSI2	CSI2	CSI3	CSI3	CSI0, CSI1	CSI0, CSI1
Verified MIPI PHY Speed (Mhz)	2000	2000	2000	2000	1500	1500
Bandwidth	2-Lane MIPI, shared with Port #1	2-Lane MIPI, shared with Port #0	2-Lane MIPI, shared with Port #3	2-Lane MIPI, shared with Port #2	4-Lane MIPI, shared with Port #5	4-Lane MIPI, shared with Port #4
MAX9296	0x4A	0x4A	0x68	0x68	0x48	0x48
MAX9296 Port	A	B	A	B	A	B
MCU Framesync (Link to MAX9296 MFP6)	TA0_2	TA0_2	TA0_3	TA0_3	TA0_1	TA0_1

JP 5.x

MAX9296_A=0x48
MAX9296_B=0x4A
MAX9296_C=0x68

MAX9295_PRIM=0x62 # AC-IMX390 as an example
MAX9295_AA=0x70
MAX9295_AB=0x71
MAX9295_BA=0x72
MAX9295_BB=0x73
MAX9295_CA=0x74
MAX9295_CB=0x75


function disable20086 {
    i2cset -f -y 0 0x28 0x01 0x10
    i2cset -f -y 0 0x29 0x01 0x10
    sleep 0.8
}

function resetMAX9296 {        
        
    echo out > /sys/class/gpio/PZ.05/direction
    echo out > /sys/class/gpio/PZ.07/direction
    echo out > /sys/class/gpio/PZ.06/direction

    echo 0 > /sys/class/gpio/PZ.05/value
    echo 0 > /sys/class/gpio/PZ.06/value
    echo 0 > /sys/class/gpio/PZ.07/value
    sleep 0.5

    echo 1 > /sys/class/gpio/PZ.05/value
    echo 1 > /sys/class/gpio/PZ.06/value
    echo 1 > /sys/class/gpio/PZ.07/value
    sleep 0.5
	
}

function initMAX9296_noMove {    
    to=$1                    

    # Disable MIPI    
    i2ctransfer -f -y 0 w3@$to 0x03 0x13 0x00
    sleep 0.001
    
    # Disable UART . with Pin swapped
    i2ctransfer -f -y 0 w3@$to 0x00 0x03 0x40    
    sleep 0.001
    
    # Setting (GMSL2) Speed 375M / 1.5G?
    i2ctransfer -f -y 0 w3@$to 0x00 0x01 0x02    
    sleep 0.001  

}

function enable20086 {
    CH=$1
    case "$CH" in
    0)
    i2cset -f -y 0 0x28 0x01 0x13
    ;;
    1)
    i2cset -f -y 0 0x29 0x01 0x13
    ;;    
    2)
    i2cset -f -y 0 0x29 0x01 0x1f
 
    esac
    sleep 0.5
}


disable20086
resetMAX9296

initMAX9296_noMove $MAX9296_A
initMAX9296_noMove $MAX9296_B
initMAX9296_noMove $MAX9296_C

enable20086 0
...