===================== SW2 =========================

examples/frdmkl82z/driver_examples/gpio/main.c
        ^^ asynchronous

examples/frdmkl82z/gpio_pins.h
    kGpioSW2 = GPIO_MAKE_PIN(GPIOA_IDX, 4U),

examples/frdmkl82z/board.h
    // ===== SW2 =====
    #define BOARD_SW_GPIO               kGpioSW2                                                         
    #define BOARD_SW_IRQ_NUM            PORTA_IRQn                                                       
    #define BOARD_SW_IRQ_HANDLER        PORTA_IRQHandler                                                 
    #define BOARD_SW_NAME               "SW2"  

GPIO_DRV_ReadPinInput()


===================== SW3 =========================

examples/frdmkl82z/demo_apps/power_manager_hal_demo/main.c

examples/frdmkl82z/gpio_pins.h
    kGpioSW3 = GPIO_MAKE_PIN(GPIOD_IDX, 0U),


examples/frdmkl82z/board.h

    #define PRINT_LLWU_SW_NUM PRINTF("SW3")                                                                                      
    /* Defines the llwu pin number for board switch which is used in power_manager_demo. */              
    #define BOARD_SW_HAS_LLWU_PIN        1                                                               
    #define BOARD_SW_LLWU_EXT_PIN        kLlwuWakeupPin12                                                
    /* Switch port base address and IRQ handler name. Used by power_manager_demo */                      
    #define BOARD_SW_LLWU_PIN            0                                                               
    #define BOARD_SW_LLWU_BASE           PORTD                                                           
    #define BOARD_SW_LLWU_IRQ_HANDLER    PORTD_IRQHandler                                                
    #define BOARD_SW_LLWU_IRQ_NUM        PORTD_IRQn     


According to the schematics at https://community.nxp.com/thread/431443 , the pin is indeed portd + 0.


===================== touch-sensitive pads =========================

examples/frdmkl82z/driver_examples/tsi/main.c

file:///home/dee/doshcard.local/kinetis_KL82Z_SDK/doc/Kinetis%20SDK%20v.1.3.0_KL82Z_1.0.0%20API%20Reference%20Manual/group__tsi__driver.html






From http://www.nxp.com/assets/documents/data/en/user-guides/FRDMKL82ZUG.pdf the pins used are:

    touchpad E1     PTB18
    touchpad E2     PTB19


 mechanical push buttons: NMI and LLWU buttons (SW2, SW3)