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The mchp23lcv1024 is similar to the mchp23k256, the differences (from a
software point of view) are the capacity of the chip and the size of the
addresses used.
There is no way to detect the specific chip so we must be told via a
Device Tree or default to mchp23k256 when device tree is not used.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Setting the of_node for the mtd device allows the generic mtd code to
setup the partitions.
[Editorial note (Brian): patch still pending on fixing up the "aligned
to eraseblock" partition sanity check, given that this SRAM has no
eraseblocks.]
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Use mtd_device_register() instead of mtd_device_parse_register() to
eliminate two unused parameters.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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This allows registering of this device via a Device Tree.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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The Microchip 23k256 is a 32K Byte SRAM connected via SPI.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
[Brian: fixed copyright to be in this millenium]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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