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DTS target integration #1975

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DTS target integration #1975

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Commits on Jul 28, 2024

  1. tools/litex_json2dts_linux: add soc, csr, mem helpers

    Andrew Dennison committed Jul 28, 2024
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  2. soc/integration/builder: exclude dts constants 

    some dts related constants are invalid names for the
c preprocessor, so need to be excluded from code generation.
    Andrew Dennison committed Jul 28, 2024
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  3. Pass DTS information from modules to json2dts 

    Example usage in modules to follow
    Andrew Dennison committed Jul 28, 2024
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  4. soc/cores/timer: add dts support 

    add_timer() will now generate a dts entry.
    Andrew Dennison committed Jul 28, 2024
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  5. soc/cores/spi/spi_mmap: add dts support 

    spi_mmap will require target integration, for example:

    self.spi_mmap_1 = SPIMMAP(...)
    self.add_dts_node("spi_mmap_1", self.spi_mmap_1)
    Andrew Dennison committed Jul 28, 2024
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  6. soc/cores/gpio: add dts support 

    gpio will require target integration, for example:

    self.gpio = gpio = GPIOTristate(pads = pads)
    self.add_dts_node("gpio", gpio)

NOTE: GPIOIn and GPIOOut will generate DTS compatible with the current
Linux driver, but the existing DTS nodes for litex GPIO depart from
DTS conventions are are worth changing if there are no compatibility
concerns.
    Andrew Dennison committed Jul 28, 2024
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  7. soc/cores/i2c: add dts support 

    Will require target integration
    Andrew Dennison committed Jul 28, 2024
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