root@am335x-evm:~# cat /sys/kernel/debug/omap_mux/gpmc_a1
name: gpmc_a1.mmc2_dat0 (0x44e10844/0x844 = 0x0033), b NA, t NA
mode: OMAP_MUX_MODE3 | AM33XX_PIN_INPUT_PULLUP
signals: gpmc_a1 | mii2_rxdv | rgmii2_rctl | mmc2_dat0 | NA | NA | NA | gpio1_17

root@am335x-evm:~# cat /sys/kernel/debug/omap_mux/gpmc_a2
name: gpmc_a2.mmc2_dat1 (0x44e10848/0x848 = 0x0033), b NA, t NA
mode: OMAP_MUX_MODE3 | AM33XX_PIN_INPUT_PULLUP
signals: gpmc_a2 | mii2_txd3 | rgmii2_td3 | mmc2_dat1 | NA | NA | NA | gpio1_18

root@am335x-evm:~# cat /sys/kernel/debug/omap_mux/gpmc_a3
name: gpmc_a3.mmc2_dat2 (0x44e1084c/0x84c = 0x0033), b NA, t NA
mode: OMAP_MUX_MODE3 | AM33XX_PIN_INPUT_PULLUP
signals: gpmc_a3 | mii2_txd2 | rgmii2_td2 | mmc2_dat2 | NA | NA | NA | gpio1_19

root@am335x-evm:~# cat /sys/kernel/debug/omap_mux/gpmc_ben1
name: gpmc_ben1.mmc2_dat3 (0x44e10878/0x878 = 0x0033), b NA, t NA
mode: OMAP_MUX_MODE3 | AM33XX_PIN_INPUT_PULLUP
signals: gpmc_ben1 | mii2_col | NA | mmc2_dat3 | NA | NA | mcasp0_aclkr | gpio1_28

root@am335x-evm:~# cat /sys/kernel/debug/omap_mux/gpmc_csn3
name: gpmc_csn3.mmc2_cmd (0x44e10888/0x888 = 0x0033), b NA, t NA
mode: OMAP_MUX_MODE3 | AM33XX_PIN_INPUT_PULLUP
signals: gpmc_csn3 | NA | NA | mmc2_cmd | NA | NA | NA | gpio2_0

root@am335x-evm:~# cat /sys/kernel/debug/omap_mux/gpmc_clk
name: gpmc_clk.mmc2_clk (0x44e1088c/0x88c = 0x0033), b NA, t NA
mode: OMAP_MUX_MODE3 | AM33XX_PIN_INPUT_PULLUP
signals: gpmc_clk | lcd_memory_clk_mux | NA | mmc2_clk | NA | NA | mcasp0_fsr | gpio2_1