| i.mx6 register base | irq | i2c adapter | bus speed | device |
|---|---|---|---|---|
| 0x21A0000 | 0x44 | 0 | 104kbit/s | Audio Codec (aic310x) |
| 0x21A4000 | 0x45 | 1 | 104kbit/s | Video Decoder/Capture (adv7180) |
| 0x21A8000 | 0x46 | 2 | 50kbit/s | Apple "auth-ic" |
| SPI Master | Device | Speed |
|---|---|---|
| 1 | SPI-NOR Flash | 20MHz |
| 2 | VIP | 4MHz |
| 4 | ? | 1MHz |
| i.mx6 uart | linux Uart | Use |
|---|---|---|
| uart1 | /dev/ttymxc0 | LVDS/Display? |
| uart2 | /dev/ttymxc1 | console |
| uart3 | /dev/ttymxc2 | GPS |
| uart4 | /dev/ttymxc3 | Bluetooth |
| uart5 | /dev/ttymxc4 | TDS |
| i.mx6 | Linux GPIO | Use | Name | sysfs_name | active low | initial value | direction | direction may change | Notes |
|---|---|---|---|---|---|---|---|---|---|
| GPIO1_IO16 | 0x10 | i2css_reset | Apple auth-ic | ||||||
| GPIO1_IO19 | 0x13 | TV Detec | DI_TV_DET | 0 | 0 | 1 | 1 | ||
| GPIO1_IO21 | 0x15 | Camera Select | DI_CAMERA_SEL | 0 | 0 | 1 | 1 | ||
| GPIO2_IO08 | 0x28 | TP1053 | DO_TP1053 | 0 | 0 | 0 | 1 | ||
| GPIO2_IO10 | 0x2A | VIP IRQ | DI_VIP_IRQ | 1 | 1 | 1 | 1 | ||
| GPIO2_IO11 | 0x2B | Reverse | DI_VIP_SHIFTR | 1 | 0 | 1 | 1 | ||
| GPIO2_IO12 | 0x2C | Mic. Sense | DI_MIC_SENSE | 0 | 0 | 1 | 1 | ||
| GPIO2_IO15 | 0x2f | TP1054 | DO_TP1054 | 0 | 0 | 0 | 1 | ||
| GPIO2_IO26 | 0x3A | VIP Chip Select | ecspi2-ss0 | 1 | 0 | Seen in mx6q_cmu_board_init. Pad set to alt function with iomux GPIO2_IO26 | |||
| GPIO2_IO30 | NOR Flash Chip select | ecspi1-ss0 | 1 | 0 | Seen in mx6q_cmu_board_init. Pad set to alt function with iomux GPIO2_IO30 | ||||
| GPIO3_IO19 | 0x53 | GPS Wakeup | DO_GPS_WAKEUP | 0 | 0 | 0 | 1 | ||
| GPIO3_IO20 | 0x54 | Watchdog Interr | DO_WDI | 0 | 0 | 0 | 1 | ||
| GPIO3_IO23 | 0x57 | Watchdog Disable | DO_WDI_DISABLE | 0 | 1 | 0 | 1 | ||
| GPIO3_IO26 | 0x5A | Reset | DO_SW_RESET | 1 | 1 | 0 | 1 | ||
| GPIO3_IO29 | 0x5D | chip select?? | |||||||
| GPIO3_IO30 | 0x5E | USB OTG Over current | usb_oc.ko | ||||||
| GPIO3_IO31 | 0x5F | DO_HOST1_PWR | USB | ||||||
| GPIO4_IO05 | 0x65 | Debug LED | DO_DEBUG_LED | 0 | 0 | 0 | 1 | ||
| GPIO4_IO06 | 0x66 | DO_RS485_BUF_EN | DO_RS485_BUF_EN | 0 | 0 | 0 | 1 | ||
| GPIO4_IO07 | 0x67 | Reset VIP | DO_VIP_RESET | 1 | 1 | 0 | 1 | ||
| GPIO4_IO10 | 0x6A | ACC_Sense | DI_ACC_SENSE | 1 | 1 | 1 | 1 | ||
| GPIO4_IO14 | 0x6E | USB OTG Over current | usb_oc.ko | ||||||
| GPIO4_IO15 | 0x6E | DO_OTG_PWR | |||||||
| GPIO4_IO16 | 0x70 | Bluetooth RF Kill | DO_BT_EN | Seen in mx6q_cmu_board_init | |||||
| GPIO4_IO19 | 0x73 | TP1056 | DO_TP1056 | 0 | 0 | 0 | 1 | ||
| GPIO4_IO25 | 0x79 | WiFi RF Kill | DO_WL_EN | Seen in mx6q_cmu_board_init | |||||
| GPIO4_IO26 | 0x7A | WiFi IRQ | DO_WL_IRQ | Seen in mx6q_cmu_board_init | |||||
| GPIO4_IO27 | 0x7B | NFC IRQ | DI_PN512_IRQ | 1 | 0 | 1 | 1 | ||
| GPIO4_IO28 | 0x7C | Seen in mx6q_cmu_board_init | |||||||
| GPIO5_IO06 | 0x86 | DO_CODEC_RESET | 0 | 0 | Seen in mx6q_cmu_board_init | ||||
| GPIO5_IO07 | 0x87 | TP1029 | DO_TP1029 | 0 | 0 | 0 | 1 | ||
| GPIO5_IO20 | 0x94 | DO_LVDS_PWRDWN | 1 | 0 | Seen in mx6q_cmu_board_init | ||||
| GPIO5_IO21 | 0x95 | TP1027 | DO_TP1027 | 0 | 0 | 0 | 1 | ||
| GPIO6_IO00 | 0xA0 | LVDS Mode Select | DO_LVDS_MS | 1 | 0 | Seen in mx6q_cmu_board_init | |||
| GPIO6_IO01 | 0xA1 | GPS Reset | DO_GPS_RESET | 0 | 0 | 0 | 1 | ||
| GPIO6_IO04 | 0xA5 | LVDS INT | |||||||
| GPIO6_IO05 | 0xA4 | LVDS LineFault | |||||||
| GPIO6_IO21 | 0xB5 | TP1057 | DO_TP1057 | 0 | 0 | 0 | 1 | ||
| GPIO6_IO31 | 0xBF | NFC Reset | DO_PN512_RST | 1 | 1 | 0 | 1 |