gpiochip0 - 54 lines: line 0: "ID_SDA" unused input active-high line 1: "ID_SCL" unused input active-high line 2: "GPIO2" unused input active-high line 3: "GPIO3" unused input active-high line 4: "GPIO4" unused input active-high line 5: "GPIO5" unused input active-high line 6: "GPIO6" unused input active-high line 7: "GPIO7" unused input active-high line 8: "GPIO8" unused input active-high line 9: "GPIO9" unused input active-high line 10: "GPIO10" unused input active-high line 11: "GPIO11" unused input active-high line 12: "GPIO12" unused input active-high line 13: "GPIO13" unused input active-high line 14: "GPIO14" unused input active-high line 15: "GPIO15" unused input active-high line 16: "GPIO16" unused output active-high line 17: "GPIO17" unused input active-high line 18: "GPIO18" unused input active-high line 19: "GPIO19" unused input active-high line 20: "GPIO20" unused output active-high line 21: "GPIO21" unused output active-high line 22: "GPIO22" unused input active-high line 23: "GPIO23" unused input active-high line 24: "GPIO24" unused input active-high line 25: "GPIO25" unused input active-high line 26: "GPIO26" unused input active-high line 27: "GPIO27" unused input active-high line 28: "SDA0" unused input active-high line 29: "SCL0" unused input active-high line 30: "CTS0" unused input active-high line 31: "RTS0" unused input active-high line 32: "TXD0" unused input active-high line 33: "RXD0" unused input active-high line 34: "SD1_CLK" unused input active-high line 35: "SD1_CMD" unused input active-high line 36: "SD1_DATA0" unused input active-high line 37: "SD1_DATA1" unused input active-high line 38: "SD1_DATA2" unused input active-high line 39: "SD1_DATA3" unused input active-high line 40: "CAM_GPIO1" unused output active-high line 41: "WL_ON" unused output active-high line 42: "NC" unused input active-high line 43: "WIFI_CLK" unused input active-high line 44: "CAM_GPIO0" "cam1_regulator" output active-high [used] line 45: "BT_ON" "shutdown" output active-high [used] line 46: "HDMI_HPD_N" "hpd" input active-low [used] line 47: "STATUS_LED_N" "ACT" output active-low [used] line 48: "SD_CLK_R" unused input active-high line 49: "SD_CMD_R" unused input active-high line 50: "SD_DATA0_R" unused input active-high line 51: "SD_DATA1_R" unused input active-high line 52: "SD_DATA2_R" unused input active-high line 53: "SD_DATA3_R" unused input active-high gpiochip0 - 54 lines: line 0: "ID_SDA" unused input active-high line 1: "ID_SCL" unused input active-high line 2: "GPIO2" unused input active-high line 3: "GPIO3" unused input active-high line 4: "GPIO4" unused input active-high line 5: "GPIO5" unused input active-high line 6: "GPIO6" unused input active-high line 7: "GPIO7" unused input active-high line 8: "GPIO8" unused input active-high line 9: "GPIO9" unused input active-high line 10: "GPIO10" unused input active-high line 11: "GPIO11" unused input active-high line 12: "GPIO12" unused input active-high line 13: "GPIO13" unused input active-high line 14: "GPIO14" unused input active-high line 15: "GPIO15" unused input active-high line 16: "GPIO16" unused output active-high line 17: "GPIO17" unused input active-high line 18: "GPIO18" unused input active-high line 19: "GPIO19" unused input active-high line 20: "GPIO20" unused output active-high line 21: "GPIO21" unused output active-high line 22: "GPIO22" unused input active-high line 23: "GPIO23" unused input active-high line 24: "GPIO24" unused input active-high line 25: "GPIO25" unused input active-high line 26: "GPIO26" unused input active-high line 27: "GPIO27" unused input active-high line 28: "SDA0" unused input active-high line 29: "SCL0" unused input active-high line 30: "CTS0" unused input active-high line 31: "RTS0" unused input active-high line 32: "TXD0" unused input active-high line 33: "RXD0" unused input active-high line 34: "SD1_CLK" unused input active-high line 35: "SD1_CMD" unused input active-high line 36: "SD1_DATA0" unused input active-high line 37: "SD1_DATA1" unused input active-high line 38: "SD1_DATA2" unused input active-high line 39: "SD1_DATA3" unused input active-high line 40: "CAM_GPIO1" unused output active-high line 41: "WL_ON" unused output active-high line 42: "NC" unused input active-high line 43: "WIFI_CLK" unused input active-high line 44: "CAM_GPIO0" "cam1_regulator" output active-high [used] line 45: "BT_ON" "shutdown" output active-high [used] line 46: "HDMI_HPD_N" "hpd" input active-low [used] line 47: "STATUS_LED_N" "ACT" output active-low [used] line 48: "SD_CLK_R" unused input active-high line 49: "SD_CMD_R" unused input active-high line 50: "SD_DATA0_R" unused input active-high line 51: "SD_DATA1_R" unused input active-high line 52: "SD_DATA2_R" unused input active-high line 53: "SD_DATA3_R" unused input active-high