/sys/kernel/debug/pinctrl/pinctrl-mtmips-pinctrl# cat pinmux-pins
Pinmux settings per pin
Format: pin (name): mux_owner gpio_owner hog?
pin 0 (io0): pinctrl (GPIO UNCLAIMED) function i2s group i2s
pin 1 (io1): pinctrl (GPIO UNCLAIMED) function i2s group i2s
pin 2 (io2): pinctrl (GPIO UNCLAIMED) function i2s group i2s
pin 3 (io3): pinctrl (GPIO UNCLAIMED) function i2s group i2s
pin 4 (io4): 10000900.i2c (GPIO UNCLAIMED) function i2c group i2c
pin 5 (io5): 10000900.i2c (GPIO UNCLAIMED) function i2c group i2c
pin 6 (io6): 10000b00.spi (GPIO UNCLAIMED) function spi cs1 group spi cs1
pin 7 (io7): 10000b00.spi (GPIO UNCLAIMED) function spi group spi
pin 8 (io8): 10000b00.spi (GPIO UNCLAIMED) function spi group spi
pin 9 (io9): 10000b00.spi (GPIO UNCLAIMED) function spi group spi
pin 10 (io10): 10000b00.spi (GPIO UNCLAIMED) function spi group spi
pin 11 (io11): pinctrl (GPIO UNCLAIMED) function gpio group gpio
pin 12 (io12): 10000c00.uart0 (GPIO UNCLAIMED) function uart0 group uart0
pin 13 (io13): 10000c00.uart0 (GPIO UNCLAIMED) function uart0 group uart0
pin 14 (io14): pinctrl (GPIO UNCLAIMED) function gpio group spis
pin 15 (io15): pinctrl (GPIO UNCLAIMED) function gpio group spis
pin 16 (io16): pinctrl (GPIO UNCLAIMED) function gpio group spis
pin 17 (io17): pinctrl (GPIO UNCLAIMED) function gpio group spis
pin 18 (io18): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 19 (io19): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 20 (io20): 10000e00.uart2 (GPIO UNCLAIMED) function uart2 group uart2
pin 21 (io21): 10000e00.uart2 (GPIO UNCLAIMED) function uart2 group uart2
pin 22 (io22): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 23 (io23): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 24 (io24): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 25 (io25): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 26 (io26): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 27 (io27): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 28 (io28): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 29 (io29): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 30 (io30): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 31 (io31): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 32 (io32): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 33 (io33): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 34 (io34): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 35 (io35): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 36 (io36): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 37 (io37): pinctrl (GPIO UNCLAIMED) function refclk group refclk
pin 38 (io38): pinctrl (GPIO UNCLAIMED) function gpio group wdt
pin 39 (io39): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 40 (io40): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 41 (io41): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 42 (io42): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 43 (io43): (MUX UNCLAIMED) (GPIO UNCLAIMED)
pin 44 (io44): pinctrl (GPIO UNCLAIMED) function gpio group wled_an
pin 45 (io45): 10000d00.uart1 (GPIO UNCLAIMED) function uart1 group uart1
pin 46 (io46): 10000d00.uart1 (GPIO UNCLAIMED) function uart1 group uart1
pin 47 (io47): (MUX UNCLAIMED) (GPIO UNCLAIMED)