ipd@ubuntu:~$ sudo cat /sys/kernel/debug/tegra_pinctrl_reg | grep -i spi [sudo] password for ipd: Bank: 1 Reg: 0x70003050 Val: 0x0000e044 -> spi1_mosi_pc0 Bank: 1 Reg: 0x70003054 Val: 0x0000e044 -> spi1_miso_pc1 Bank: 1 Reg: 0x70003058 Val: 0x0000e044 -> spi1_sck_pc2 Bank: 1 Reg: 0x7000305c Val: 0x0000e048 -> spi1_cs0_pc3 Bank: 1 Reg: 0x70003060 Val: 0x0000e048 -> spi1_cs1_pc4 Bank: 1 Reg: 0x70003064 Val: 0x00006044 -> spi2_mosi_pb4 Bank: 1 Reg: 0x70003068 Val: 0x00006044 -> spi2_miso_pb5 Bank: 1 Reg: 0x7000306c Val: 0x00006044 -> spi2_sck_pb6 Bank: 1 Reg: 0x70003070 Val: 0x00006048 -> spi2_cs0_pb7 Bank: 1 Reg: 0x70003074 Val: 0x00006048 -> spi2_cs1_pdd0 Bank: 1 Reg: 0x70003078 Val: 0x0000e015 -> spi4_mosi_pc7 Bank: 1 Reg: 0x7000307c Val: 0x0000e015 -> spi4_miso_pd0 Bank: 1 Reg: 0x70003080 Val: 0x0000e015 -> spi4_sck_pc5 Bank: 1 Reg: 0x70003084 Val: 0x0000e015 -> spi4_cs0_pc6 Bank: 1 Reg: 0x70003088 Val: 0x00002040 -> qspi_sck_pee0 Bank: 1 Reg: 0x7000308c Val: 0x00002000 -> qspi_cs_n_pee1 Bank: 1 Reg: 0x70003090 Val: 0x00002040 -> qspi_io0_pee2 Bank: 1 Reg: 0x70003094 Val: 0x00002040 -> qspi_io1_pee3 Bank: 1 Reg: 0x70003098 Val: 0x00002040 -> qspi_io2_pee4 Bank: 1 Reg: 0x7000309c Val: 0x00002040 -> qspi_io3_pee5 Bank: 0 Reg: 0x70000b70 Val: 0x00000001 -> drive_qspi_comp_control Bank: 0 Reg: 0x70000b78 Val: 0x00000001 -> drive_qspi_lpbk_control Bank: 0 Reg: 0x70000a78 Val: 0x00808000 -> drive_qspi_comp ipd@ubuntu:~$ sudo cat /sys/kernel/debug/tegra_gpio Name:Bank:Port CNF OE OUT IN INT_STA INT_ENB INT_LVL A: 0:0 64 40 40 00 00 00 000000 B: 0:1 00 00 00 00 00 00 000000 C: 0:2 00 00 00 00 00 00 000000 D: 0:3 00 00 00 00 00 00 000000 E: 1:0 00 00 00 00 00 00 000000 F: 1:1 00 00 00 00 00 00 000000 G: 1:2 00 00 00 00 00 00 000000 H: 1:3 fd 19 00 e0 00 00 000000 I: 2:0 06 06 06 02 00 00 000000 J: 2:1 00 00 00 00 00 00 000000 K: 2:2 00 00 00 00 00 00 000000 L: 2:3 00 00 00 00 00 00 000000 M: 3:0 00 00 00 00 00 00 000000 N: 3:1 00 00 00 00 00 00 000000 O: 3:2 00 00 00 00 00 00 000000 P: 3:3 00 00 00 00 00 00 000000 Q: 4:0 00 00 00 00 00 00 000000 R: 4:1 00 00 00 00 00 00 000000 S: 4:2 80 80 00 00 00 00 000000 T: 4:3 01 01 00 00 00 00 000000 U: 5:0 00 00 00 00 00 00 000000 V: 5:1 00 00 00 00 00 00 000000 W: 5:2 00 00 00 00 00 00 000000 X: 5:3 78 08 08 70 00 60 606000 Y: 6:0 02 00 00 02 00 00 000000 Z: 6:1 0e 08 08 04 00 06 020600 AA: 6:2 00 00 00 00 00 00 000000 BB: 6:3 00 00 00 00 00 00 000000 CC: 7:0 92 80 80 02 00 12 121200 DD: 7:1 00 00 00 00 00 00 000000 EE: 7:2 00 00 00 00 00 00 000000 FF: 7:3 00 00 00 00 00 00 000000 ipd@ubuntu:~$