ff3b3004da
This commit fixes documentation for SPI bus to match latest changes in pinmap file Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
4.6 KiB
Intel Joule
The Joule Board with the daughterboard (Tuchuck) board is supported by Mraa
Revision Support
Tuchuck
Interface notes
SPI
Two SPI buses are available, with one chipselect each. Pins listed are MRAA numbered pins. Other chip selects are available if enabled in BIOS/EEPROM but cannot be enabled as BIOS options. You will need the spidev kernel module loaded, Ostro-XT does this by default.
Bus 0 (32765) MOSI = 2 MISO = 4 CS = 6 CLK = 10
Bus 1 (32766) MOSI = 67 MISO = 69 CS0 = 59 CS1 = 61 CLK = 65
(remove 40 from numbers to get pin header number for pins on low speed header 2)
UART Some pins are labelled as UARTs but are not configured in BIOS as UART so only available UART is on the FTDI header
Pin Mapping
Tuchuck has two breakouts, breakout #1 is 1-40 whilst breakout2 is 41-80. The LEDs are numbered from 100-103.
| MRAA Number | Physical Pin | Function |
|---|---|---|
| 1 | GPIO | GPIO |
| 2 | SPP1RX | GPIO SPI |
| 3 | PMICRST | NONE |
| 4 | SPP1TX | GPIO SPI |
| 5 | 19.2mhz | GPIO |
| 6 | SPP1FS0 | GPIO SPI |
| 7 | UART0TX | GPIO |
| 8 | SPP1FS2 | GPIO SPI |
| 9 | PWRGD | NONE |
| 10 | SPP1CLK | GPIO SPI |
| 11 | I2C0SDA | I2C |
| 12 | I2S1SDI | GPIO |
| 13 | I2C0SCL | I2C |
| 14 | I2S1SDO | GPIO |
| 15 | I2C1SDA | I2C |
| 16 | I2S1WS | GPIO |
| 17 | I2C1SCL | I2C |
| 18 | I2S1CLK | GPIO |
| 19 | I2C2SDA | I2C |
| 20 | I2S1MCL | GPIO |
| 21 | I2C2SCL | I2CO |
| 22 | UART1TX | UART |
| 23 | I2S4SDO | NONE |
| 24 | UART1RX | UART |
| 25 | I2S4SDI | NONE |
| 26 | PWM0 | GPIO PWM |
| 27 | I2S4BLK | GPIO |
| 28 | PWM1 | GPIO PWM |
| 29 | I2S4WS | NONE |
| 30 | PWM2 | GPIO PWM |
| 31 | I2S3SDO | NONE |
| 32 | PWM3 | GPIO PWM |
| 33 | I2S3SDI | NONE |
| 34 | 1.8V | NONE |
| 35 | I2S4BLK | GPIO |
| 36 | GND | NONE |
| 37 | GND | NONE |
| 38 | GND | NONE |
| 39 | GND | NONE |
| 40 | 3.3V | NONE |
| 41 | GND | NONE |
| 42 | 5V | NONE |
| 43 | GND | NONE |
| 44 | 5V | NONE |
| 45 | GND | NONE |
| 46 | 3.3V | NONE |
| 47 | GND | NONE |
| 48 | 3.3V | NONE |
| 49 | GND | NONE |
| 50 | 1.8V | NONE |
| 51 | GPIO | GPIO |
| 52 | 1.8V | NONE |
| 53 | PANEL | GPIO |
| 54 | GND | NONE |
| 55 | PANEL | GPIO |
| 56 | CAMERA | NONE |
| 57 | PANEL | GPIO |
| 58 | CAMERA | NONE |
| 59 | SPP0FS0 | GPIO SPI |
| 60 | CAMERA | NONE |
| 61 | SPP0FS1 | GPIO SPI |
| 62 | SPI_DAT | SPI |
| 63 | SPP0FS2 | GPIO SPI |
| 64 | SPICLKB | GPIO |
| 65 | SPP0FS3 | GPIO SPI |
| 66 | SPICLKA | GPIO |
| 67 | SPP0TX | GPIO SPI |
| 68 | UART0RX | GPIO UART |
| 69 | SPP0RX | GPIO SPI |
| 70 | UART0RT | GPIO UART |
| 71 | I2C1SDA | GPIO I2C |
| 72 | UART0CT | GPIO UART |
| 73 | I2C1SCL | GPIO I2C |
| 74 | UART1TX | GPIO UART |
| 75 | I2C2SDA | GPIO I2C |
| 76 | UART1RX | GPIO UART |
| 77 | I2C1SCL | GPIO I2C |
| 78 | UART1RT | GPIO UART |
| 79 | RTC_CLK | GPIO |
| 80 | UART1CT | GPIO UART |
| 100 | LED100 | GPIO |
| 101 | LED101 | GPIO |
| 102 | LED102 | GPIO |
| 103 | LED103 | GPIO |
| 104 | LEDWIFI | GPIO |
| 105 | LEDBT | GPIO |
To see a live pin mapping use the command: $ mraa-gpio list