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New chips may feature a lot of CS because of their extended length. As many controllers have been designed a decade ago, they usually only feature just a couple. This does not mean that the entire range of these chips cannot be accessed: it is just a matter of adding more GPIO CS in the hardware design. A DT property has been added to describe the CS array: cs-gpios. Here is the code parsing it this new property, allocating what needs to be, requesting the GPIOs and returning an array with the additional available CS. The first entries of this array are left empty and are reserved for native CS. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210526093242.183847-3-miquel.raynal@bootlin.com |
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| bbm.h | ||
| blktrans.h | ||
| cfi.h | ||
| cfi_endian.h | ||
| concat.h | ||
| doc2000.h | ||
| flashchip.h | ||
| ftl.h | ||
| gen_probe.h | ||
| hyperbus.h | ||
| inftl.h | ||
| jedec.h | ||
| latch-addr-flash.h | ||
| lpc32xx_mlc.h | ||
| lpc32xx_slc.h | ||
| map.h | ||
| mtd.h | ||
| mtdram.h | ||
| nand-ecc-sw-bch.h | ||
| nand-ecc-sw-hamming.h | ||
| nand-gpio.h | ||
| nand.h | ||
| ndfc.h | ||
| nftl.h | ||
| onenand.h | ||
| onenand_regs.h | ||
| onfi.h | ||
| partitions.h | ||
| pfow.h | ||
| physmap.h | ||
| pismo.h | ||
| plat-ram.h | ||
| platnand.h | ||
| qinfo.h | ||
| rawnand.h | ||
| sh_flctl.h | ||
| sharpsl.h | ||
| spear_smi.h | ||
| spi-nor.h | ||
| spinand.h | ||
| super.h | ||
| ubi.h | ||
| xip.h | ||