[root@TI_AM62X]#~: cat /sys/kernel/debug/gpio
[   69.010408] tpic2810_get_direction++++++++++++++++++++++++++++
[   69.016289] tpic2810_get_direction++++++++++++++++++++++++++++
[   69.022208] tpic2810_get_direction++++++++++++++++++++++++++++
[   69.028073] tpic2810_get_direction++++++++++++++++++++++++++++
[   69.033963] tpic2810_get_direction++++++++++++++++++++++++++++
[   69.039793] tpic2810_get_direction++++++++++++++++++++++++++++
[   69.045623] tpic2810_get_direction++++++++++++++++++++++++++++
[   69.051458] tpic2810_get_direction++++++++++++++++++++++++++++
gpiochip3: GPIOs 336-359, parent: i2c/1-0022, 1-0022, can sleep:
 gpio-336 (GPIO_CPSW2_RST      )
 gpio-337 (GPIO_CPSW1_RST      )
 gpio-338 (PRU_DETECT          )
 gpio-339 (MMC1_SD_EN          |regulator-3         ) out lo
 gpio-340 (VPP_LDO_EN          )
 gpio-341 (EXP_PS_3V3_En       )
 gpio-342 (EXP_PS_5V0_En       )
 gpio-343 (EXP_HAT_DETECT      )
 gpio-344 (GPIO_AUD_RSTn       )
 gpio-345 (GPIO_eMMC_RSTn      )
 gpio-346 (UART1_FET_BUF_EN    )
 gpio-347 (WL_LT_EN            |regulator-6         ) out hi ACTIVE LOW
 gpio-348 (GPIO_HDMI_RSTn      )
 gpio-349 (CSI_GPIO1           )
 gpio-350 (CSI_GPIO2           )
 gpio-351 (PRU_3V3_EN          )
 gpio-352 (HDMI_INTn           )
 gpio-353 (PD_I2C_IRQ          )
 gpio-354 (MCASP1_FET_EN       )
 gpio-355 (MCASP1_BUF_BT_EN    )
 gpio-356 (MCASP1_FET_SEL      )
 gpio-357 (UART1_FET_SEL       )
 gpio-358 (TSINT#              )
 gpio-359 (IO_EXP_TEST_LED     )

gpiochip2: GPIOs 360-411, parent: platform/601000.gpio, 601000.gpio:
 gpio-409 (                    |am62-sk:green:heartb) out lo

gpiochip1: GPIOs 412-503, parent: platform/600000.gpio, 600000.gpio:
 gpio-443 (                    |tlv71033            ) out lo
 gpio-483 (                    |regulator-7         ) out lo

gpiochip0: GPIOs 504-511, parent: i2c/1-0060, tpic2810, can sleep:
 gpio-504 (LED1                |green:indicator-1   ) out ?
 gpio-505 (LED2                |red:indicator-2     ) out ?
 gpio-506 (LED3                |green:indicator-3   ) out ?
 gpio-507 (LED4                |amber:indicator-4   ) out ?
 gpio-508 (LED5                |green:indicator-5   ) out ?
 gpio-509 (LED6                |red:indicator-6     ) out ?
 gpio-510 (LED7                |green:indicator-7   ) out ?
 gpio-511 (LED8                |amber:heartbeat-8   ) out ?