0470aebee6
The GPIOs are not mapped correctly in MRAA for tuchuk board. This patch corrects the GPIO maps and the PIN assignments. Note: 1) There are nothing called I2S(x)SDO and I2S(x)SDI available over breakout pins, the usage is commented now. 2) There is nothing called SPP0FS3, is now commented, what we have is SPP1FS3. 3) I2C1SDA available twise 15 and 71. PIN 71 as per gpio used should be renamed as ISHI2C0SDA 4) I2C1SCL available twise 17 and 73. PIN 73 as per gpio used should be renamed as ISHI2C0SCL 5) UART1TX available twise 22 and 74. PIN 74 as per gpio used is ISHUART1TXD and is not available in breakout. 6) UART1RX available twise 24 and 76. PIN 76 as per gpio used is ISHUART1RXD and is not available in breakout. 7) I2C2SDA available twise 19 and 75. PIN 75 as per gpio used is ISHI2C1SDA and is not available in breakout pins 8) I2C2SCL available twise 21 and 77. PIN 75 as per gpio used is ISHI2C1SCL and is not available in breakout pins 9) PIN 78 UART1RT as per GPIO used is ISHUART1RT and is not available in breakout pins 10) PIN 80 UART1CT as per GPIO is ISHUART1CT and is not available in breakout pins BIOS used is 193 Signed-off-by: Arun Ravindran <arun.ravindran@intel.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
4.9 KiB
Intel Joule
The Intel Joule expansion board is supported by Mraa
Revision Support
Intel Joule expansion board
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. Disable the getty on ttyS2 and use mraa's uart raw mode to initialise on ttyS2. The Jumper J8 can be used to switch between using the FTDI 6 pin header and the micro USB output.
Pin Mapping
The Intel Joule expansion board has two breakouts, breakout #1 is 1-40 whilst breakout2 is 41-80. The LEDs are numbered from 100-103.
ISH UART are named as: IURT ISH I2C are named as:IIC
| 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 | IIC0SDA | GPIO I2C |
| 72 | UART0CT | GPIO UART |
| 73 | IIC0SCL | GPIO I2C |
| 74 | IURT1TX | GPIO UART |
| 75 | IIC1SDA | GPIO I2C |
| 76 | IURT1RX | GPIO UART |
| 77 | IIC1SCL | GPIO I2C |
| 78 | IURT1RT | GPIO UART |
| 79 | RTC_CLK | GPIO |
| 80 | IURT1CT | 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