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AAEONAEU-SW edited this page Jan 15, 2021 · 2 revisions

Pin Map (100-pin header)

Linux GPIO Description Pin Pin Description Linux GPIO
5V 01 02 5V
5V 03 04 5V
5V 05 06 5V
5V 07 08 5V
Ground 09 10 Ground
319 PMU_RSTBTN_N 11 12 UART1_RTS 429
322 PMU_PWRBTN_N 13 14 UART1_CTS 432
317 PMU_SLP_S0IX_N 15 16 GPIO16/UART1_TX 434
504 PCIE_CLKREQ0 17 18 GPIO17/UART1_RX 430
320 PMC_SUSCLK0 19 20 Ground
Ground 21 22 DDI2_DDC_CLK 466
234 GPIO7/HAT_SPI2_MOSI 23 24 DDI2_DDC_DAT 460
231 GPIO8/SPI_MISO 25 26 HDMI_D 345
232 GPIO9/SPI_CLK 27 28 HDMI_R 346
235 GPIO22/SPI_CS0N 29 30 DDI2_TYPE_C_HPD 409
307 GPIO23/SPI_CS1N 31 32 ISH_GPIO0 335
Ground 33 34 CPLD CLEAR/ISH_GPIO1 332
RESERVE 35 36 ISH_GPIO2 338
RESERVE 37 38 ISH_GPIO3 329
RESERVE 39 40 ISH_GPIO4 336
RESERVE 41 42 CPLD DIN/ISH_GPIO7 330
Ground 43 44 ISH_GPIO9 334
506 GPIO18/I2S2_CLK 45 46 GPIO25/PWM0 233
510 GPIO14/I2S2_FRM 47 48 GPIO13/PWM1 229
508 GPIO27/I2S2_DATAIN 49 50 Ground
511 GPIO28/I2S2_DATAOUT 51 52 USB_HSIC_1_DATA
Ground 53 54 USB_HSIC_1_STROBE
PCIE_TX0_DP 55 56 Ground
PCIE_TX0_DN 57 58 USB_HSIC_2_DATA
Ground 59 60 USB_HSIC_2_STROBE
PCIE_RX0_DP 61 62 Ground
PCIE_RX0_DN 63 64 USB2_P0_DP
Ground 65 66 USB2_P0_DN
PCIE_REFCLK0_DP 67 68 Ground
PCIE_REFCLK0_DN 69 70 USB_OTG_R_ID
Ground 71 72 Ground
475 I2C0_SOC_SDA 73 74 SD3_CD 309
479 I2C0_SOC_SCL 75 76 SD3_CMD 262
Ground 77 78 SD3_1P8_EN 313
474 I2C1_SOC_SDA 79 80 SD3_PWREN 306
477 I2C1_SOC_SCL 81 82 SD3_WP 509
Ground 83 84 SD3_CLK 259
340 CPLD DOUT/ISH_I2C1_DATA 85 86 SD3_SD0 263
331 ISH_I2C1_CLK 87 88 SD3_SD1 258
Ground 89 90 SD3_SD2 261
RESERVE 91 92 SD3_SD3 260
RESERVE 93 94 Ground
RESERVE 95 96 CPLD_OE/GPIO_SW78 492
RESERVE 97 98 CPLD_RST/GPIO_SUS8 364
RESERVE 99 100 CPLD_STROBE/GPIO_SUS9 307

SPI Ports

SPI device nodes in Linux can be identified as follows:

 $ ls /sys/bus/acpi/devices/8086228E\:01/physical_node/spi_master/spi2/
 device  power  spi-SPT0001:01  statistics  subsystem  uevent

Installing ACPI overrides to enable SPI in userspace

By default, no SPI device is created for user access by default. To enable access to SPI from userspace you should add an ACPI override on the kernel

  1. Download this tar.gz file and uncompress it.
  2. Enter in the extracted directory and type in a terminal:

$ sudo ./install_hooks && sudo acpi-add spidev*

  1. Reboot the system

Now you should see the SPI devices under /dev

 $ ls /dev/spi*
 /dev/spidev2.0

DIO mapping UP Framework for Windows

DIO NO(Up Framework) Pin No(100 pin connector)
1 79
2 81
3 32
4 23
5 25
6 27
7 73
8 36
9 38
10 48
11 47
12 40
13 16
14 18
15 45
16 29
17 31
18 75
19 46
20 44
21 49
22 51

NOTE: This wiki is the main source of documentation for developers working with (or contributing to) the UP products. If this is your first time hearing about UP, we recommend starting with our main UP website, and our UP community page.

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