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30 lines
1.0 KiB
Markdown
30 lines
1.0 KiB
Markdown
# Precompiled device trees:
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Each folder contains a `.dtb` file, which is the compiled device tree itself, plus a `.dts` with the original source and a `.gpio` file showing the GPIO pin mappings.
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## Generic
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[The generic device tree I will use in my project, suitable for many occasions](./generic)
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* Has 2x UART (plus the console uart), 2x I2C. 1xSPI
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* 12 unassigned GPIO pins
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## Serial
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[Four UART interfaces *and* Four I2C interfaces](./serial)
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* Has 4x UART (plus the console uart), 4x I2C
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* UART3 has RTC/CTS pins available too
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* 10 unassigned GPIO pins
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## SPI
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[SPI plus Serial interfaces](./spi)
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* Has 3x UART (plus the console uart), 3x I2C. 1xSPI
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* 8 unassigned GPIO pins
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## SunXI
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[Vanilla, unpopulated, upstream](./sunxi)
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* Has the console uart, nothing more
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* *26 unassigned GPIO pins!*
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## AllWinner Nezha
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[DO NOT USE](./allwinner-nezha)
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* Included for completeness, this is the default device tree you get with the Ubuntu image.
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* Has the console uart, 1x I2C. 1xSPI
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* 15 unassigned GPIO pins, 3 pre-assigned to pinctl
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