de-nano-soc: renamed platform to avoid ambiguity
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
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Brendan Le Foll
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docs/de_nano_soc.md
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docs/de_nano_soc.md
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Terasic DE10-Nano {#de10-nano}
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=================
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The DE10-Nano Development Kit presents a robust hardware design platform built around the Intel
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System-on-Chip (SoC) FPGA, which combines the latest dual-core Cortex-A9 embedded cores with
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industry-leading programmable logic for ultimate design flexibility. Users can now leverage the
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power of tremendous re-configurability paired with a high-performance, low-power processor system.
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Altera’s SoC integrates an ARM-based hard processor system (HPS) consisting of processor,
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peripherals and memory interfaces tied seamlessly with the FPGA fabric using a high-bandwidth
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interconnect backbone. The DE10-Nano development board is equipped with high-speed DDR3 memory,
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analog to digital capabilities, Ethernet networking, and much more that promise many exciting
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applications.
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Board Support
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-------------
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* Terasic DE10-Nano
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* Terasic DE0-Nano-SoC
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Protocol Notes
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---------------
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* **GPIO** Fully supported through sysfs (both FPGA + HPC). Mmap not yet supported. Static map.
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* **PWM** Currently not supported.
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* **I2C** Fully supported with i2cdev. Default bus 2 is exposed on Arduino header, 3 buses total.
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* **SPI** Supported with spidev on Arduino header.
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* **UART** Working, default bus is on Arduino header. Console also accessible as `ttyS0` in raw mode.
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* **ADC** Currently not supported.
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No muxes available for multi-function pins yet (e.g. you won't be able to use D0 & D1 on Arduino
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header as GPIOs).
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Pin Mapping
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-----------
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**Arduino Header**
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| MRAA Number | Arduino Name | Board Pin | Function |
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|-------------|--------------|-----------|----------|
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| 0 | D0 | JP3-8 | UART RX |
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| 1 | D1 | JP3-7 | UART TX |
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| 2 | D2 | JP3-6 | GPIO |
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| 3 | D3 | JP3-5 | GPIO |
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| 4 | D4 | JP3-4 | GPIO |
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| 5 | D5 | JP3-3 | GPIO |
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| 6 | D6 | JP3-2 | GPIO |
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| 7 | D7 | JP3-1 | GPIO |
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| 8 | D8 | JP2-10 | GPIO |
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| 9 | D9 | JP2-9 | GPIO |
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| 10 | D10 | JP2-8 | SPI SS |
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| 11 | D11 | JP2-7 | SPI MOSI |
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| 12 | D12 | JP2-6 | SPI MISO |
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| 13 | D13 | JP2-5 | SPI SCK |
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| 14 | GND | JP2-4 | - |
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| 15 | AREF | JP2-3 | - |
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| 16 | SDA | JP2-2 | I2C SDA |
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| 17 | SCL | JP2-1 | I2C SCL |
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| 18 | AREF | JP5-1 | - |
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| 19 | IOREF | JP5-2 | - |
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| 20 | RESET | JP5-3 | - |
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| 21 | 3V3 | JP5-4 | - |
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| 22 | 5V | JP5-5 | - |
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| 23 | GND | JP5-6 | - |
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| 24 | GND | JP5-7 | - |
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| 25 | VIN | JP5-8 | - |
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| 26 | A0 | JP6-1 | AIO |
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| 27 | A1 | JP6-2 | AIO |
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| 28 | A2 | JP6-3 | AIO |
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| 29 | A3 | JP6-4 | AIO |
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| 30 | A4 | JP6-5 | AIO |
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| 31 | A5 | JP6-6 | AIO |
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**GPIO0 (JP1) Side Header**
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| MRAA Number | Board Pin | Function |
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|-------------|-----------|----------|
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| 32 | JP1-1 | GPIO |
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| ... | ... | GPIO |
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| 41 | JP1-10 | GPIO |
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| 42 | JP1-11 | 5V |
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| 43 | JP1-12 | GND |
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| 44 | JP1-13 | GPIO |
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| ... | ... | GPIO |
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| 59 | JP1-28 | GPIO |
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| 60 | JP1-29 | 3V3 |
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| 61 | JP1-30 | GND |
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| 62 | JP1-31 | GPIO |
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| ... | ... | GPIO |
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| 71 | JP1-40 | GPIO |
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**GPIO1 (JP7) Side Header**
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| MRAA Number | Board Pin | Function |
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|-------------|-----------|----------|
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| 72 | JP7-1 | GPIO |
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| ... | ... | GPIO |
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| 81 | JP7-10 | GPIO |
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| 82 | JP7-11 | 5V |
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| 83 | JP7-12 | GND |
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| 84 | JP7-13 | GPIO |
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| ... | ... | GPIO |
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| 99 | JP7-28 | GPIO |
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| 100 | JP7-29 | 3V3 |
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| 101 | JP7-30 | GND |
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| 102 | JP7-31 | GPIO |
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| ... | ... | GPIO |
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| 111 | JP7-40 | GPIO |
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**Switches, Buttons, LEDs**
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These are already in use by kernel drivers with the default image, except for KEY0 and KEY1.
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To use them with MRAA remove them from the device tree.
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To enable the switches temporarily (until reboot):
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```sh
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echo ff204000.gpio >/sys/bus/platform/drivers/altera_gpio/unbind
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echo ff204000.gpio >/sys/bus/platform/drivers/altera_gpio/bind
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```
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And for LEDs:
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```sh
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echo ff203000.gpio >/sys/bus/platform/drivers/altera_gpio/unbind
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echo ff203000.gpio >/sys/bus/platform/drivers/altera_gpio/bind
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```
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| MRAA Number | Board Pin | Function |
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|-------------|-----------|----------|
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| 112 | SW0 | GPIO |
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| 113 | SW1 | GPIO |
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| 114 | SW2 | GPIO |
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| 115 | SW3 | GPIO |
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| 116 | LED0 | GPIO |
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| 117 | LED1 | GPIO |
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| 118 | LED2 | GPIO |
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| 119 | LED3 | GPIO |
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| 120 | LED4 | GPIO |
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| 121 | LED5 | GPIO |
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| 122 | LED6 | GPIO |
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| 123 | LED7 | GPIO |
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| 124 | HPS_LED | GPIO |
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| 125 | HPS_KEY | GPIO |
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| 126 | KEY0 | GPIO |
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| 127 | KEY1 | GPIO |
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**Built-in ADXL345**
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Exposed on I2C bus 0. To use you will have to unbind the device driver first:
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```sh
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echo 0-0053 > /sys/bus/i2c/drivers/adxl34x/unbind
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```
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